Last Updated: 2024/03/04

車両の電気的な推進・制動技術 (JP Patent Analysis Report)

The Theme Code "車両の電気的な推進・制動技術" had 882 patent application filings in the most recent period (2022-01-01 to 2022-06-30). This is a weakly transition of -80 filings (-8.3%) over 962 they had in the same period of the previous year (2021-01-01 to 2021-06-30).

The company had their highest number of filings in 2018 with 2,657 cases, and their lowest number in 2022 with 1,227 cases.

The mean of the number of filings over the last 5 years (2018 to 2023, 10,129 cases in total) is 1,688, and the median is 1,860. The coefficient of variation (standard deviation/mean) is 0.5, and there have been big fluctuations in the number of filings from year to year.

Filing information for the last 5 years (2018 to 2023)
Index Value
Average 1,688 patents
Std Dev 868
COV 0.5

Filing trends for the last 3 years
Year Cases YOY
2022 year 1,227 cases -33.5 %
2021 year 1,844 cases -1.76 %
2020 year 1,877 cases -24.16 %

This report provides the latest patent analysis information (the IP landscape, including a patent map) on the patent search results of the JP patent database for 車両の電気的な推進・制動技術[5H125] for the period of the last 10 years (2014-01-01 to 2024-02-29). You can compare the information in this report with the trends in your competitors’ patent filings and technologies, and use it to search for important patents.

This service provides, free of charge, a patent analysis report based on the latest patent data (Japanese, U.S., European, and PCT application publications) for use in patent searches, patent analysis, and IP landscaping. The service is offered by "Patent Integration" a firm specializing in patent search/patent analysis.

This report includes basic information to help you understand the IP strategy and management of 車両の電気的な推進・制動技術, such as changes in the number of patents/patent applications they have filed, comparisons of the numbers of patents/patent applications filed by their peers and competitors, their top coapplicants (joint research partners, alliance partners), and their most important patents. It can be used in various intellectual property business operations such as IP landscaping, patent search/patent analysis, preparation of intellectual property business evaluation reports, selection of M&A candidates, and selection of alliance partners.

Article supervision: Patent attorney Yoshiyuki Ose
Article supervised by: Yoshiyuki Ose (Japanese Patent Attorney)    

He is a patent attorney at a patent office. He specializes in invention counseling, patent filing, and intellectual property strategies for start-up companies and new businesses in the fields of software, information technology and artificial intelligence. He runs a patent course for beginners on Udemy, an online course provider.

After studying physics at the University of Tokyo as a doctoral student, he was engaged in intellectual property analysis and technology trend research as an in-house patent attorney at a precision equipment manufacturer and at Toyota Central R&D Labs. Inc..

Introduction

The concept of the "IP landscape" (IPL) has been attracting attention recently.

An IP landscape is not limited to patent information, but also integrates and analyzes business information (e.g., non-patent information such as papers, news releases, stock information, and market information). Intellectual-property-based business management is realized through the analysis of intellectual property information applied to the formulation of management strategies and business strategies. This is a comprehensive approach that includes but not limited to planning of open and closed strategies, selecting M&A candidates, searching for alliance partners, and formulating intellectual property strategies, through the exploitation of intellectual property information.

IP landscaping usually includes patent search and patent analysis. In patent search and patent analysis, it is important to grasp the market position of each company and the overall technological trends and development trends for each technology. More specifically, it is important to understand what intellectual property your own company and other companies hold, what the strengths and weaknesses of other companies are, and how other companies are trying to exploit their intellectual property. In other words, it is important to understand both the business strategy and the intellectual property strategy of each company.

After reading this search report, you may be interested in more detailed patent searches and patent analysis. We offer a service called Patent Integration, which is an integrated patent search and patent analysis service. With reasonable pricing and a simple user interface such that even beginners can quickly search for and analyze patent information by company or technology from a web browser, please consider using it for detailed patent searches, patent analysis, and IP landscaping.

Patent Integration has a patent-landscaping function that can visually represent a set of tens of thousands of patents/patent applications. This allows you to convincingly show the technical positions of your company and its competitors to your management and business strategists in order to formulate management strategies and business strategies.

Foreign Patent Analysis Report

The following foreign patent analysis reports have been found for 車両の電気的な推進・制動技術. The trends of patent filings of 車両の電気的な推進・制動技術 for each country can be found by clicking on the Applicant/Patent Holder name next to each country.

Patent Filing Trends in Each Country
Country Applicant / Patent Holder

車両の電気的な推進・制動技術, Changes in the Number of JP Patents/Patent Applications

The changes in the number of patent filings of 車両の電気的な推進・制動技術 over the last 20 years (JP) are shown below.

The change in the number of patents/patent applications is the most basic index in patent analysis. By examining the change in the number of patents/patent applications, you can see the status of technological development and R&D focus for each company or technology. It should be noted that since there is a one and a half year lag between the filing and the laying open of patent applications, it is not possible to analyze the situation more recently than one and half years prior to the present.

In this report, you can only see the change in the number of patents/patent applications by company or technology, whereas Patent Integration allows you to quickly compare the number of patent applications with your competitors in each technical field by cross-referencing with other keywords and patent classifications.

Counting of the Number of Cases using the Patent Mapping Function

By examining the change in the number of patents/patent applications, you can see the status of technological development and R&D focus for each company or technology.

You can select a graph type from the menu on the upper left. Data can be output as a file to the clipboard, or in CSV format or TSV format. You can also output graph images as files in the SVG, PNG, and JPG formats. For the terms of use when using the data, please see "About this Site."

Patent Landscape ({{ld.d.db_name | country_map: 'en'}})

Patent landscaping is a visualization of the distribution of patent filings (application focus areas) for each technical keyword. Mountains and islands indicated by heatmap contours represent clusters of patent applications filed, and red areas on the heatmap indicate many patent filings relating to the keyword.

The patent landscape for 車両の電気的な推進・制動技術 gives an intuitive understanding of what patent filings they have made and what technical position is to be established. By selecting filing year checkboxes and filtering, you can track their past filing trends (what technical area they have focused on).

By selecting applicant/patent holder checkboxes and filtering, you can visually grasp the technical areas of the filings for each applicant and the partnerships or alliances formed. Please use it as a guide for patent analysis and IP landscaping.

In addition, by visually representing the patent data in this manner, you can convincingly show the technical positions of your company and its competitors to your management and business strategists in order to formulate management strategies and business strategies.

In Patent Integration, you can check the specifics of a patent filing by clicking anywhere on the patent landscape screen. You can also quickly check the position of each applicant for each technical field by cross-referencing with other keywords and patent classifications. You can use it as a guide when considering hypotheses about each company's IP strategy on the IP Landscape. You can also use it for higher-grade intellectual property activities. It has reasonable pricing and a simple user interface that is easy for beginners to handle.

Visualization of Technical Position

The patent landscape allows you to analyze, without any hassle, what patent applications have been filed and what technical position is to be established.

Characteristic Terms (Importance)

The following is a list of words (characteristic terms) often used in 車両の電気的な推進・制動技術 patent applications. Characteristic terms with a higher importance are used in more patents/patent applications.

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Search Set (Analysis Object)

This patent analysis report was created for a patent search set of 19,272 cases retrieved by applying the following search formula and analysis period to the following patent database. Patent information such as a patent analysis result, a patent map, and a patent landscape can be freely used for patent searches, analysis, and work on intellectual property strategies, including IP landscaping.

Patent Database
JP Publications/Granted Patents
Patent Search Formula
Theme Code:
車両の電気的な推進・制動技術[5H125]
Patent Analysis Period
2014-01-01〜2024-02-29
Number of Objects
19,272 patents

Analysis results are determined on the basis of patent gazette data issued by the patent office in each country.

Same industry / competition company information (JP)

The patent information of the higher applicant in the technical theme 車両の電気的な推進・制動技術 is shown below. By comparing the number of patents of each company, you can check the research and development status of each company's past and present technical themes and the position of each company in the technical theme.

Introduction of patent search function

Competitive analysis can be performed in a short time by using various search functions such as applicant, filing date, and similar patent search.

Trends in filing of joint patent applications in the last 3 years (2022 to 2024).

Comparing the number of applications of each company, トヨタ自動車株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 393 cases, followed by 本田技研工業株式会社 with 121 cases.

Trends in filing of joint patent applications for the target period (2014 to 2024).

Comparing the number of applications of each company, トヨタ自動車株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 5,678 cases, followed by 本田技研工業株式会社 with 1,335 cases.

Same industry / competition company, Change in the Number of JP Patents

Below is a patent map showing changes in the number of applications for JP patents of 11 companies in the same industry over the past 20 years.

You can select a graph type from the menu on the upper left. Data can be output as a file to the clipboard, or in CSV format or TSV format. You can also output graph images as files in the SVG, PNG, and JPG formats. For the terms of use when using the data, please see "About this Site."

Top company information (JP)

The patent information of the higher applicant in the technical theme 車両の電気的な推進・制動技術 is shown below. By comparing the number of patents of each company, you can check the research and development status of each company's past and present technical themes and the position of each company in the technical theme.

Search for Coapplicants

Patent integration allows you to find coapplicants in a short amount of time.

Trends in filing of joint patent applications in the last 3 years (2022 to 2024).

among the top coapplicants, トヨタ自動車株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 393 cases, followed by 本田技研工業株式会社 with 121 cases.

Trends in filing of joint patent applications in the last 3 years (2022 to 2024).
Name Cases
トヨタ自動車株式会社 393 cases
本田技研工業株式会社 121 cases
株式会社デンソー 68 cases
株式会社日立製作所 24 cases
日産自動車株式会社 20 cases
三菱電機株式会社 10 cases
株式会社東芝 8 cases

Trends in filing of joint patent applications for the target period (2014 to 2024).

among the top coapplicants, トヨタ自動車株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 5,678 cases, followed by 本田技研工業株式会社 with 1,335 cases.

Trends in filing of joint patent applications for the target period (2014 to 2024).
Name Cases
トヨタ自動車株式会社 5,678 cases
本田技研工業株式会社 1,335 cases
株式会社デンソー 982 cases
日産自動車株式会社 630 cases
株式会社日立製作所 400 cases
三菱電機株式会社 396 cases
株式会社東芝 300 cases

Top company, Change in the Number of JP Patents

Below is a patent map showing the changes in the numbers of JP patent filings by 車両の電気的な推進・制動技術’s top 7 coapplicants over the last 20 years.

You can select a graph type from the menu on the upper left. Data can be output as a file to the clipboard, or in CSV format or TSV format. You can also output graph images as files in the SVG, PNG, and JPG formats. For the terms of use when using the data, please see "About this Site."

Top company Details (JP)

Trends in filing of joint patent applications with トヨタ自動車株式会社

車両の電気的な推進・制動技術 filed 5,678 joint applications with トヨタ自動車株式会社 for the analysis period (2014 to 2024).

The mean of the number of filings over the last 5 years (2018 to 2023, 3,039 cases in total) is 506, and the median is 586. The coefficient of variation (standard deviation/mean) is 0.5, and there have been big fluctuations in the number of filings from year to year.

The number of filings has been decreasing for the last 3 years (2020 to 2023). The company had their highest number of filings in 2018 with 787 cases, and their lowest number in 2022 with 389 cases.

Filing information for the last 5 years (2018 to 2023)
Index Value
Average 506 patents
Std Dev 257
COV 0.5
Filing trends for the last 3 years
Year Cases YOY
2022 year 389 cases -43.3 %
2021 year 686 cases +28.95 %
2020 year 532 cases -17.00 %

Trends in filing of joint patent applications with 日産自動車株式会社

車両の電気的な推進・制動技術 filed 630 joint applications with 日産自動車株式会社 for the analysis period (2014 to 2024).

The mean of the number of filings over the last 5 years (2018 to 2023, 216 cases in total) is 36.0, and the median is 42.5. The coefficient of variation (standard deviation/mean) is 0.6, and there have been big fluctuations in the number of filings from year to year.

The number of filings has been decreasing for the last 3 years (2020 to 2023). The company had their highest number of filings in 2014 with 170 cases, and their lowest number in 2022 with 20 cases.

Filing information for the last 5 years (2018 to 2023)
Index Value
Average 36.0 patents
Std Dev 20.1
COV 0.6
Filing trends for the last 3 years
Year Cases YOY
2022 year 20 cases -55.6 %
2021 year 45 cases +12.50 %
2020 year 40 cases -23.08 %

Trends in filing of joint patent applications with 本田技研工業株式会社

車両の電気的な推進・制動技術 filed 1,335 joint applications with 本田技研工業株式会社 for the analysis period (2014 to 2024).

The mean of the number of filings over the last 5 years (2018 to 2023, 831 cases in total) is 138, and the median is 137. The coefficient of variation (standard deviation/mean) is 0.6, and there have been big fluctuations in the number of filings from year to year.

The number of filings has been decreasing for the last 3 years (2020 to 2023). The company had their highest number of filings in 2019 with 232 cases, and their lowest number in 2015 with 89 cases.

Filing information for the last 5 years (2018 to 2023)
Index Value
Average 138 patents
Std Dev 76.7
COV 0.6
Filing trends for the last 3 years
Year Cases YOY
2022 year 121 cases +11.01 %
2021 year 109 cases -28.76 %
2020 year 153 cases -34.1 %

Trends in filing of joint patent applications with 株式会社日立製作所

車両の電気的な推進・制動技術 filed 400 joint applications with 株式会社日立製作所 for the analysis period (2014 to 2024).

The mean of the number of filings over the last 5 years (2018 to 2023, 212 cases in total) is 35.3, and the median is 33.5. The coefficient of variation (standard deviation/mean) is 0.6, and there have been relatively large fluctuations in the number of filings from year to year.

The company had their highest number of filings in 2019 with 66 cases, and their lowest number in 2022 with 24 cases.

Filing information for the last 5 years (2018 to 2023)
Index Value
Average 35.3 patents
Std Dev 21.6
COV 0.6
Filing trends for the last 3 years
Year Cases YOY
2022 year 24 cases -11.11 %
2021 year 27 cases -32.5 %
2020 year 40 cases -39.4 %

Trends in filing of joint patent applications with 株式会社デンソー

車両の電気的な推進・制動技術 filed 982 joint applications with 株式会社デンソー for the analysis period (2014 to 2024).

The mean of the number of filings over the last 5 years (2018 to 2023, 544 cases in total) is 90.7, and the median is 81.0. The coefficient of variation (standard deviation/mean) is 0.6, and there have been relatively large fluctuations in the number of filings from year to year.

The company had their highest number of filings in 2019 with 170 cases, and their lowest number in 2022 with 67 cases.

Filing information for the last 5 years (2018 to 2023)
Index Value
Average 90.7 patents
Std Dev 55.1
COV 0.6
Filing trends for the last 3 years
Year Cases YOY
2022 year 67 cases -2.90 %
2021 year 69 cases -25.81 %
2020 year 93 cases -45.3 %

Information on important patents (JP)

The following shows JP patents held by 車両の電気的な推進・制動技術 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and 車両の電気的な推進・制動技術’s JP patents/patent applications of high importance cited by Examiners in patent examination processes.

By noting the most important patents, you can obtain knowledge of the competitive business environment in which 車両の電気的な推進・制動技術 is placed (e.g., whether it is a fiercely competitive environment or an oligopolistic market and the like). In general, it can be understood that a company with a large number of demands for invalidation trials is developing their business in a business environment where IP disputes are common.

If you want to search for more detailed information, you can use Patent Integration to retrieve and download by company cited patents/patent applications or patents undergoing invalidation trials. You can quickly extract important patents from a patent set that includes multiple competitors by cross-referencing with other keywords and patent classifications. Please consider using it for searches for important patents/patent applications.

Search for Information on Important Patents

You can quickly search for important patents/patent applications, such as patents/patent applications that were cited many times and patents that have had invalidation trials demanded against them many times.

Glossary

Cited
Indicates that the patent/patent application has been cited (by Examiners) in notices of reasons for rejection in the examination process of other (Japanese, U.S., or European) patent applications. The higher the number of citations, the more important the patent/patent application is considered to be.
Request for invalidation trial
Indicates that a third party has requested a procedure to invalidate the patent. It is likely to affect the business of third parties and is considered to be of high importance.
Opposition
Indicates that a third party has filed a petition with the Patent Office to hear the validity of the patent again. Like the trial for invalidation, it is considered to be of high importance.
Information provision
Indicates that a third party has provided the Patent Office with useful information for examination for the patent filed. It is usually considered to be of high importance because it is done to prevent the patent from being granted.
Browsing request
Indicates that a third party has requested the Patent Office to view the patent bag (a set of documents exchanged between the Patent Office and the applicant). The bag is often checked prior to trial for invalidation, opposition, and provision of information, and is considered to be a highly important patent.

Oppositioned cases

List of latest Oppositioned patents

In the last 3 years (2021-03-01 ~ 2024-02-29), there were 2 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7217431 "電力変換システム、及びケーブル支持器" (Opposition day 2023-07-08) , next is 特許7192740 "蓋開閉構造" (Opposition day 2023-06-19) .

Most recent Opposition (2021-03-01 to 2024-02-29)
- No. Title Opposition days
1 特許7217431 電力変換システム、及びケーブル支持器 2023-07-08
2 特許7192740 蓋開閉構造 2023-06-19

Protested cases

List of latest Protested patents

In the last 3 years (2021-03-01 ~ 2024-02-29), there were 13 patents Protest from third parties. The average number of Protest is 1.0 times. The most recently Protest patent is 特開2022-079316 "独立電源装置" (Protest day 2024-01-04) , next is 特開2022-187878 "トンネル内走行用バッテリーカー" (Protest day 2023-08-07) .

Most recent Protest (2021-03-01 to 2024-02-29)
- No. Title Protest days
1 特開2022-079316 独立電源装置 2024-01-04
2 特開2022-187878 トンネル内走行用バッテリーカー 2023-08-07
3 特許7397657 タイヤ・ホイール組立体 2023-05-16
4 特開2021-098384 タイヤ・ホイール組立体 2023-05-16
5 特開2021-095101 タイヤ・ホイール組立体 2023-04-12
6 特開2021-095100 タイヤ・ホイール組立体 2023-04-12
7 特許7365804 無線受電システム、タイヤ・ホイール組立体、及び、タイヤ 2023-04-07
8 特許7373789 無線給電システム、送電装置、及び受電装置 2023-04-05
9 特許7450355 機械式駐車装置のパレット 2023-03-03
10 特許7238547 自動車用演算装置 2022-06-22
11 特許7146744 電源装置及びこれを備える車両、蓄電装置並びに電源装置用セパレータ 2022-04-06
12 特許7135789 車両用動力伝達装置 2022-01-07
13 特開2021-082600 温度管理の改善された二次電池パック 2021-09-01

Show 8 patents  

Top Patents/Patent Applications with the Highest Number of Protested

Of the patent applications filed in the last 10 years (2014-03-01 to 2024-02-29), 16 patents/patent applications were protest more than once in the examination process of other patent applications. The mean of the number of protest is 1.0. The most protest patent is 特許6907041 "非接触充電システム" (1 times) , and the next most protest patent is 特許6302315 "状態監視装置" (1 times) .

Top Patents/Patent Applications with the Highest Number of Protest over a Period of 10 Years (2014-03-01 ~ 2024-02-29)
- No. Title
1 特許6907041 非接触充電システム 1 times
2 特許6302315 状態監視装置 1 times
3 特許7365804 無線受電システム、タイヤ・ホイール組立体、及び、タイヤ 1 times
4 特開2021-095101 タイヤ・ホイール組立体 1 times
5 特許7397657 タイヤ・ホイール組立体 1 times

Inspectioned cases

List of latest Inspectioned patents

In the last 3 years (2021-03-01 ~ 2024-02-29), there were 23 patents Inspection from third parties. The average number of Inspection is 1.0 times. The most recently Inspection patent is 特開2022-079316 "独立電源装置" (Inspection day 2024-02-02) , next is 特開2022-187878 "トンネル内走行用バッテリーカー" (Inspection day 2023-08-17) .

Most recent Inspection (2021-03-01 to 2024-02-29)
- No. Title Inspection days
1 特開2022-079316 独立電源装置 2024-02-02
2 特開2022-187878 トンネル内走行用バッテリーカー 2023-08-17
3 特許7044286 遮蔽装置および車両 2023-08-03
4 再公表2020/066955 駆動装置 2023-07-25
5 特許7397657 タイヤ・ホイール組立体 2023-06-15
6 特開2021-098384 タイヤ・ホイール組立体 2023-06-15
7 特許7373789 無線給電システム、送電装置、及び受電装置 2023-05-22
8 特許7365804 無線受電システム、タイヤ・ホイール組立体、及び、タイヤ 2023-05-15
9 特開2021-095101 タイヤ・ホイール組立体 2023-05-15
10 特開2021-095100 タイヤ・ホイール組立体 2023-05-15
11 特許7450355 機械式駐車装置のパレット 2023-04-21
12 特許6156744 充電装置および車両 2023-02-24
13 特許7238547 自動車用演算装置 2022-07-26
14 特許6326240 移動体及びその最高速度の制御方法 2022-06-01
15 特許7146744 電源装置及びこれを備える車両、蓄電装置並びに電源装置用セパレータ 2022-04-13
16 特許7135789 車両用動力伝達装置 2022-02-08
17 特開2022-182170 無人搬送車の駆動ユニット 2022-02-07
18 特許7397820 方法、システム及び非一時的なコンピュータ可読媒体 2021-08-19
19 特許7377239 方法、システム及び非一時的なコンピュータ可読媒体 2021-08-17
20 特許6737390 データ処理装置、充放電装置及びデータ処理方法 2021-07-14

Show 15 patents  

Top Patents/Patent Applications with the Highest Number of Inspectioned

Of the patent applications filed in the last 10 years (2014-03-01 to 2024-02-29), 94 patents/patent applications were inspection more than once in the examination process of other patent applications. The mean of the number of inspection is 1.3. The most inspection patent is 特許5896311 "回生ブレーキ制御装置" (4 times) , and the next most inspection patent is 特許5896315 "回生ブレーキ制御装置" (4 times) .

Top Patents/Patent Applications with the Highest Number of Inspection over a Period of 10 Years (2014-03-01 ~ 2024-02-29)
- No. Title
1 特許5896311 回生ブレーキ制御装置 4 times
2 特許5896315 回生ブレーキ制御装置 4 times
3 特許5850096 車両の情報表示装置 4 times
4 特許5880631 車両の情報表示装置 4 times
5 特許5896316 回生ブレーキ制御装置 4 times

Cited cases

Top Patents/Patent Applications with the Highest Number of Cited

Of the patent applications filed in the last 10 years (2014-03-01 to 2024-02-29), 5,738 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 2.6. The most cited patent is 特許6329463 "車両用制御装置" (87 times) , and the next most cited patent is 特許6273656 "デマンド型運行管理システムの制御方法及びデマンド型運行管理システム" (71 times) .

Top Patents/Patent Applications with the Highest Number of Cited over a Period of 10 Years (2014-03-01 ~ 2024-02-29)
- No. Title
1 特許6329463 車両用制御装置 87 times
2 特許6273656 デマンド型運行管理システムの制御方法及びデマンド型運行管理システム 71 times
3 特許7264036 車両 40 times
4 特許6179432 車両管理システム 31 times
5 特許6572567 交換価格設定装置、交換価格設定方法、プログラム、および記録媒体 29 times

Providing patent information to the media (newspapers, magazines, etc.)

"Patent Integration Report" is a web service provided by "Patent Integration Co., Ltd." operated by patent attorneys who are experts in intellectual property rights. Based on the latest patent data, this is one of the largest patent report services in Japan that provides information on technology trends in various companies and technology fields.

The purpose of this web service is to make intellectual property information familiar to many people, regardless of whether they have an interest in intellectual property rights, and to make use of it.

We actively provide various types of patent information that can be used in various media articles such as newspapers, magazines, and web media. Please feel free to contact us from "Inquiry form for details on the content of patent information that can be provided, conditions for provision, etc. Please contact us.

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Patent data is obtained by aggregating and analyzing the latest patent data issued by the Patent Offices of respective countries and jurisdictions and by WIPO. Although we take great care in publishing and analyzing the results, we do not guarantee the correctness of the data. We appreciate your understanding.

If you have any concerns about this service, please feel free to contact us.

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Patent Office Patent Integration Co., Ltd. is committed to providing high-quality patent information based on the latest patent data on more than 45 million cases collected from the Patent Offices in Japan, the U.S., Europe, and Taiwan and from PCT publication.
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