積水化学工業株式会社 (JP Patent Analysis Report)
The Applicant / Patent Holder "積水化学工業株式会社" had 144 patent application filings in the most recent period (2023-01-01 to 2023-03-31). This is a with an decreasing trend transition of -22 filings (-13.3%) over 166 they had in the same period of the previous year (2022-01-01 to 2022-03-31).
The highest number of filings in 2018 with 972 cases, and their lowest number in 2022 with 423 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 3,664 cases in total) is 611, and the median is 567. The coefficient of variation (standard deviation/mean) is 0.4, and there have been big fluctuations in the number of filings from year to year.
| Index | Value |
|---|---|
| Average | 611 patents |
| Std Dev | 270 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 423 cases | -3.64 % |
| 2021 year | 439 cases | -36.8 % |
| 2020 year | 695 cases | -23.37 % |
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 積水化学工業株式会社 for the period of the last 10 years (2014-01-01 to 2024-11-30). 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 積水化学工業株式会社, 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.
- Table of Contents
- Foreign Patent Analysis Report
- Patent Filing Summary for 積水化学工業株式会社
- Search Set (Search Formula/Analysis Patents)
- Related Patent Analysis Report
- Competitors Information
- Top coapplicant Information
- • Information on Important Patents
- Provision of patent information to the media
- About this Site
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.
積水化学工業株式会社, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of 積水化学工業株式会社 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.
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 積水化学工業株式会社 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.
Characteristic Terms (Importance)
The following is a list of words (characteristic terms) often used in 積水化学工業株式会社 patent applications. Characteristic terms with a higher importance are used in more patents/patent applications.
Search Set (Analysis Patents)
This patent analysis report was created for a patent search set of 7,302 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.
積水化学工業株式会社
Same industry / competition company information (JP)
The number of patents and changes in the number of patents of other companies (competitors) in the same industry as 積水化学工業株式会社 are shown below.
Comparison of changes in the number of patents with peers and competitors is an important analytical index for understanding the intellectual property strategies of each company. By checking the transition of the number of patents for each company / competitor, you can check the status of focus on technology development and R&D for each company / technology.
It should be noted that patents have a time lag of one and a half years from filing to publication, so it is not possible to analyze the situation more recent than one and a half years.
If you want to find out more information, " Patent Integration , You can compare the number of patent applications with competitors in each technical field in a short time by multiplying with other keywords and patent classifications.Please use it for more detailed patent information analysis such as selection of M&A candidate destinations and alliance destinations.
Trends in filing of joint patent applications in the last 3 years (2022 to 2024).
Comparing the number of applications of each company, 富士フイルム株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 861 cases, followed by 株式会社カネカ with 718 cases.
| Name | Cases |
|---|---|
| 富士フイルム株式会社 | 861 cases |
| 株式会社カネカ | 718 cases |
| 積水化学工業株式会社 | 682 cases |
| 信越化学工業株式会社 | 572 cases |
| 住友ベークライト株式会社 | 504 cases |
| デンカ株式会社 | 307 cases |
| ビーエーエスエフソシエタス・ヨーロピア | 204 cases |
| デクセリアルズ株式会社 | 160 cases |
| 信越ポリマー株式会社 | 140 cases |
| 株式会社ダイセル | 132 cases |
| 積水化成品工業株式会社 | 84 cases |
| タキロンシーアイ株式会社 | 60 cases |
| アキレス株式会社 | 40 cases |
| 積水樹脂株式会社 | 38 cases |
| 日本カーバイド工業株式会社 | 33 cases |
| フクビ化学工業株式会社 | 33 cases |
| ダイキョーニシカワ株式会社 | 19 cases |
Trends in filing of joint patent applications for the target period (2014 to 2024).
Comparing the number of applications of each company, 富士フイルム株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 13,203 cases, followed by 積水化学工業株式会社 with 7,302 cases.
| Name | Cases |
|---|---|
| 富士フイルム株式会社 | 13,203 cases |
| 積水化学工業株式会社 | 7,302 cases |
| 信越化学工業株式会社 | 4,273 cases |
| 株式会社カネカ | 3,872 cases |
| 住友ベークライト株式会社 | 3,090 cases |
| ビーエーエスエフソシエタス・ヨーロピア | 2,766 cases |
| デンカ株式会社 | 2,170 cases |
| 株式会社ダイセル | 1,699 cases |
| デクセリアルズ株式会社 | 1,561 cases |
| 信越ポリマー株式会社 | 1,440 cases |
| 積水化成品工業株式会社 | 801 cases |
| フクビ化学工業株式会社 | 348 cases |
| タキロンシーアイ株式会社 | 334 cases |
| ダイキョーニシカワ株式会社 | 307 cases |
| 積水樹脂株式会社 | 295 cases |
| 日本カーバイド工業株式会社 | 290 cases |
| アキレス株式会社 | 267 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 18 companies in the same industry over the past 20 years.
Top coapplicant information (JP)
The changes in the number of patents shared with 積水化学工業株式会社’s top coapplicants are shown below.
By searching for the top coapplicants, you can discover what companies 積水化学工業株式会社 is partnered with to develop technologies and use this information for R&D and intellectual property strategies.
Also, by looking at the change in the number of filings, you can see what companies 積水化学工業株式会社 conducted joint research with in the past, and check the history of 積水化学工業株式会社’s alliances, partnerships, and joint research and development.
If you want to search for more detailed information, you can use Patent Integration to quickly find out specifically what company they filed a joint application with and what invention it was for.
Trends in filing of joint patent applications for the target period (2014 to 2024).
Among the top coapplicants, 徳山積水工業株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 28 cases.
| Name | Cases |
|---|---|
| 徳山積水工業株式会社 | 28 cases |
Top coapplicant, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by 積水化学工業株式会社’s top 6 coapplicants over the last 20 years.
Below is a patent map showing the changes in the numbers of JP patent filings by 積水化学工業株式会社’s top 6 coapplicants over the last 20 years.
Top coapplicant Details (JP)
Trends in filing of joint patent applications with 徳山積水工業株式会社
積水化学工業株式会社 filed 28 joint applications with 徳山積水工業株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 24 cases in total) is 4.0, and the median is 2.5. The coefficient of variation (standard deviation/mean) is 1.2, and there have been very big fluctuations in the number of filings from year to year.
The highest number of filings in 2020 with 14 cases, and their lowest number in 2022 with 0 cases.
| Index | Value |
|---|---|
| Average | 4.0 patents |
| Std Dev | 5.0 |
| COV | 1.2 |
| Year | Cases | YOY |
|---|---|---|
| 2020 year | 14 cases | +180 % |
| 2019 year | 5 cases | 0 |
| 2018 year | 5 cases | - |
Information on important patents (JP)
The following shows JP patents held by 積水化学工業株式会社 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and 積水化学工業株式会社’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 積水化学工業株式会社 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.
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.
Invalidationed Trial cases
List of latest Invalidationed Trial patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 4 patents Invalidation Trial from third parties. The average number of Invalidation Trial is 1.0 times. The most recently Invalidation Trial patent is 特許7239774 "排水部材及び雨樋" (Invalidation Trial day 2024-04-15) , next is 特許6784708 "サイフォン雨樋システム" (Invalidation Trial day 2024-04-15) .
| - | No. | Title | Invalidation Trial days |
|---|---|---|---|
| 1 | 特許7239774 | 排水部材及び雨樋 | 2024-04-15 |
| 2 | 特許6784708 | サイフォン雨樋システム | 2024-04-15 |
| 3 | 特許7060770 | サイフォン雨樋システム | 2024-03-22 |
| 4 | 特許6959465 | ドレン部材及び軒樋 | 2024-03-22 |
Top Patents/Patent Applications with the Highest Number of Invalidationed Trial
Of the patent applications filed in the last 10 years (2014-12-01 to 2024-11-30), 4 patents/patent applications were invalidation trial more than once in the examination process of other patent applications. The mean of the number of invalidation trial is 1.0. The most invalidation trial patent is 特許7060770 "サイフォン雨樋システム" (1 times) , and the next most invalidation trial patent is 特許7239774 "排水部材及び雨樋" (1 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許7060770 | サイフォン雨樋システム | 1 times |
| 2 | 特許7239774 | 排水部材及び雨樋 | 1 times |
| 3 | 特許6784708 | サイフォン雨樋システム | 1 times |
| 4 | 特許6959465 | ドレン部材及び軒樋 | 1 times |
Oppositioned cases
List of latest Oppositioned patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 44 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7474118 "粘着剤及び粘着テープ" (Opposition day 2024-10-23) , next is 特許7444670 "粘着テープ" (Opposition day 2024-09-05) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7474118 | 粘着剤及び粘着テープ | 2024-10-23 |
| 2 | 特許7444670 | 粘着テープ | 2024-09-05 |
| 3 | 特許7421336 | ポリオール組成物、発泡性ポリウレタン組成物及びポリウレタンフォーム | 2024-07-09 |
| 4 | 特許7372745 | 導電材料、接続構造体及び接続構造体の製造方法 | 2024-05-01 |
| 5 | 特許7332479 | 樹脂材料、積層構造体及び多層プリント配線板 | 2024-02-20 |
| 6 | 特許7316061 | 発泡シート及び粘着テープ | 2024-01-19 |
| 7 | 特許7305711 | 合わせガラス用中間膜、合わせガラス用中間膜の製造方法及び合わせガラス | 2024-01-05 |
| 8 | 特許7299816 | 積層型電池の製造方法、積層型電池の製造装置、及び積層型電池 | 2023-12-07 |
| 9 | 特許7271089 | 粘着テープ | 2023-10-27 |
| 10 | 特許7265374 | 発泡複合シート及び粘着テープ | 2023-10-18 |
Protested cases
List of latest Protested patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 129 patents Protest from third parties. The average number of Protest is 1.7 times. The most recently Protest patent is 特開2024-111331 "排水部材及び雨樋" (Protest day 2024-11-19) , next is 特開2023-046748 "ブタジエン製造用触媒、ブタジエンの製造装置、及びブタジエンの製造方法" (Protest day 2024-11-01) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特開2024-111331 | 排水部材及び雨樋 | 2024-11-19 |
| 2 | 特開2023-046748 | ブタジエン製造用触媒、ブタジエンの製造装置、及びブタジエンの製造方法 | 2024-11-01 |
| 3 | 特開2024-100866 | 発泡性ポリウレタン組成物及びポリウレタン発泡体 | 2024-10-30 |
| 4 | 特開2022-052063 | 継手構造 | 2024-10-30 |
| 5 | 特開2023-168517 | 継手 | 2024-10-28 |
| 6 | 特開2022-051945 | 導電性粒子、導電性粒子の製造方法、導電材料及び接続構造体 | 2024-10-18 |
| 7 | 特開2023-031584 | １，３－ブタジエンの製造方法及び１，３－ブタジエンの製造装置 | 2024-10-17 |
| 8 | 特開2022-138001 | ポリオール組成物、難燃性ウレタン樹脂組成物、及びポリウレタン発泡体 | 2024-10-03 |
| 9 | 特開2023-104942 | 熱伝導シート | 2024-09-27 |
| 10 | 特開2023-033396 | 樹脂発泡シート及び粘着テープ | 2024-09-20 |
| 11 | 特開2024-071496 | 発泡性ウレタン樹脂組成物 | 2024-09-17 |
| 12 | 特開2022-042419 | 発泡性ウレタン樹脂組成物及びポリウレタン発泡体 | 2024-08-23 |
| 13 | 特開2021-059705 | 発泡性ウレタン樹脂組成物 | 2024-07-31 |
| 14 | 特開2021-059704 | 発泡性ウレタン樹脂組成物 | 2024-07-31 |
| 15 | 特開2021-138853 | 発泡性ポリウレタン組成物及びポリウレタン発泡体 | 2024-07-31 |
| 16 | 特開2023-029649 | 有機ＥＬ表示素子用封止剤 | 2024-07-11 |
| 17 | 特開2023-012377 | ウレタン樹脂組成物及びポリウレタンフォーム | 2024-07-09 |
| 18 | 特許7530274 | ポリオール組成物と触媒のセット、発泡性ポリウレタン組成物、ポリウレタンフォーム及びポリウレタンフォームの製造方法 | 2024-07-08 |
| 19 | 特許7583537 | 熱膨張性マイクロカプセル、成形用樹脂組成物及び発泡成形体 | 2024-06-28 |
| 20 | 特開2020-164846 | 離型フィルムで保護された粘着テープ | 2024-06-26 |
Top Patents/Patent Applications with the Highest Number of Protested
Of the patent applications filed in the last 10 years (2014-12-01 to 2024-11-30), 286 patents/patent applications were protest more than once in the examination process of other patent applications. The mean of the number of protest is 1.5. The most protest patent is 特許6777405 "導電性粒子、導電性粒子の製造方法、導電材料及び接続構造体" (5 times) , and the next most protest patent is 特許7101141 "排水用配管材、配管構造体及び排水用配管材の製造方法" (5 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6777405 | 導電性粒子、導電性粒子の製造方法、導電材料及び接続構造体 | 5 times |
| 2 | 特許7101141 | 排水用配管材、配管構造体及び排水用配管材の製造方法 | 5 times |
| 3 | 特許7058696 | 排水管継手 | 4 times |
| 4 | 特開2021-059705 | 発泡性ウレタン樹脂組成物 | 4 times |
| 5 | 特開2020-111739 | 粘着テープ | 4 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 160 patents Inspection from third parties. The average number of Inspection is 1.8 times. The most recently Inspection patent is 特開2024-100866 "発泡性ポリウレタン組成物及びポリウレタン発泡体" (Inspection day 2024-11-26) , next is 特開2023-031584 "１，３－ブタジエンの製造方法及び１，３－ブタジエンの製造装置" (Inspection day 2024-11-13) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特開2024-100866 | 発泡性ポリウレタン組成物及びポリウレタン発泡体 | 2024-11-26 |
| 2 | 特開2023-031584 | １，３－ブタジエンの製造方法及び１，３－ブタジエンの製造装置 | 2024-11-13 |
| 3 | 特開2022-051945 | 導電性粒子、導電性粒子の製造方法、導電材料及び接続構造体 | 2024-11-12 |
| 4 | 特開2023-012377 | ウレタン樹脂組成物及びポリウレタンフォーム | 2024-11-11 |
| 5 | 特開2022-052063 | 継手構造 | 2024-11-06 |
| 6 | 特開2023-168517 | 継手 | 2024-11-06 |
| 7 | 特許7580951 | 有機物質の製造方法、及び有機物質製造装置 | 2024-11-01 |
| 8 | 特許7241833 | 配管構造 | 2024-10-30 |
| 9 | 特開2022-138001 | ポリオール組成物、難燃性ウレタン樹脂組成物、及びポリウレタン発泡体 | 2024-10-15 |
| 10 | 特開2024-071496 | 発泡性ウレタン樹脂組成物 | 2024-10-08 |
| 11 | 特開2023-033396 | 樹脂発泡シート及び粘着テープ | 2024-10-01 |
| 12 | 特開2023-104942 | 熱伝導シート | 2024-10-01 |
| 13 | 特許6846490 | 蓄電素子及び蓄電素子の製造方法 | 2024-09-17 |
| 14 | 特開2022-042419 | 発泡性ウレタン樹脂組成物及びポリウレタン発泡体 | 2024-08-27 |
| 15 | 特開2021-059705 | 発泡性ウレタン樹脂組成物 | 2024-08-06 |
| 16 | 特開2023-029649 | 有機ＥＬ表示素子用封止剤 | 2024-08-06 |
| 17 | 特開2021-059704 | 発泡性ウレタン樹脂組成物 | 2024-08-06 |
| 18 | 特許7530274 | ポリオール組成物と触媒のセット、発泡性ポリウレタン組成物、ポリウレタンフォーム及びポリウレタンフォームの製造方法 | 2024-08-06 |
| 19 | 特開2021-138853 | 発泡性ポリウレタン組成物及びポリウレタン発泡体 | 2024-08-06 |
| 20 | 特許7583537 | 熱膨張性マイクロカプセル、成形用樹脂組成物及び発泡成形体 | 2024-07-23 |
Top Patents/Patent Applications with the Highest Number of Inspectioned
Of the patent applications filed in the last 10 years (2014-12-01 to 2024-11-30), 381 patents/patent applications were inspection more than once in the examination process of other patent applications. The mean of the number of inspection is 1.7. The most inspection patent is 特許6985002 "ウレタン樹脂組成物" (8 times) , and the next most inspection patent is 特許7402203 "ウレタン樹脂組成物" (7 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6985002 | ウレタン樹脂組成物 | 8 times |
| 2 | 特許7402203 | ウレタン樹脂組成物 | 7 times |
| 3 | 特許7442271 | 発泡性ウレタン樹脂組成物及びポリウレタン発泡体 | 7 times |
| 4 | 特許6777405 | 導電性粒子、導電性粒子の製造方法、導電材料及び接続構造体 | 6 times |
| 5 | 特許6279610 | 熱膨張性耐火樹脂組成物 | 6 times |
Cited cases
Top Patents/Patent Applications with the Highest Number of Cited
Of the patent applications filed in the last 10 years (2014-12-01 to 2024-11-30), 1,712 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 2.5. The most cited patent is 特許6885791 "熱暴走防止シート" (55 times) , and the next most cited patent is 特開2017-203145 "耐熱性合成樹脂微多孔フィルム及び電池用セパレータ" (42 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6885791 | 熱暴走防止シート | 55 times |
| 2 | 特開2017-203145 | 耐熱性合成樹脂微多孔フィルム及び電池用セパレータ | 42 times |
| 3 | 特許6541212 | 管継手構造、配管構造、建物 | 24 times |
| 4 | 特許6651375 | プラズマ装置 | 21 times |
| 5 | 特許7497133 | 吹き付け塗装用のポリオール組成物、発泡性ポリウレタンプレミックス組成物、および発泡性ポリウレタン組成物 | 21 times |
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