半透膜を用いた分離技術 (JP Patent Analysis Report)
The Theme Code "半透膜を用いた分離技術" had 123 patent application filings in the most recent period (2023-01-01 to 2023-03-31). This is a significantly decreased of -31 filings (-20.1%) over 154 they had in the same period of the previous year (2022-01-01 to 2022-03-31).
The highest number of filings in 2016 with 960 cases, and their lowest number in 2022 with 570 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 3,844 cases in total) is 641, and the median is 648. The coefficient of variation (standard deviation/mean) is 0.3, and there have been big fluctuations in the number of filings from year to year.
| Index | Value |
|---|---|
| Average | 641 patents |
| Std Dev | 216 |
| COV | 0.3 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 570 cases | -11.35 % |
| 2021 year | 643 cases | -1.38 % |
| 2020 year | 652 cases | -23.11 % |
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 半透膜を用いた分離技術[4D006] 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 半透膜を用いた分離技術, 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.
- Table of Contents
- Foreign Patent Analysis Report
- Patent Filing Summary for 半透膜を用いた分離技術
- Search Set (Search Formula/Analysis Patents)
- Related Patent Analysis Report
- Competitors Information
- Top company 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.
半透膜を用いた分離技術, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of 半透膜を用いた分離技術 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.
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 半透膜を用いた分離技術 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.
Characteristic Terms (Importance)
The following is a list of words (characteristic terms) often used in 半透膜を用いた分離技術 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 7,644 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.
半透膜を用いた分離技術[4D006]
Same industry / competition company information (JP)
The patent information of the higher applicant in the technical theme 半透膜を用いた分離技術 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.
Trends in filing of joint patent applications in the last 3 years (2022 to 2024).
Comparing the number of applications of each company, 東レ株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 92 cases, followed by 栗田工業株式会社 with 49 cases.
Trends in filing of joint patent applications for the target period (2014 to 2024).
Comparing the number of applications of each company, 東レ株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 558 cases, followed by 栗田工業株式会社 with 403 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.
Top company information (JP)
The patent information of the higher applicant in the technical theme 半透膜を用いた分離技術 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.
Trends in filing of joint patent applications in the last 3 years (2022 to 2024).
among the top coapplicants, 東レ株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 92 cases, followed by 栗田工業株式会社 with 49 cases.
Trends in filing of joint patent applications for the target period (2014 to 2024).
among the top coapplicants, 東レ株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 558 cases, followed by 栗田工業株式会社 with 403 cases.
Top company, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by 半透膜を用いた分離技術’s top 7 coapplicants over the last 20 years.
Below is a patent map showing the changes in the numbers of JP patent filings by 半透膜を用いた分離技術’s top 7 coapplicants over the last 20 years.
Top company Details (JP)
Trends in filing of joint patent applications with 東レ株式会社
半透膜を用いた分離技術 filed 558 joint applications with 東レ株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 292 cases in total) is 48.7, and the median is 49.0. The coefficient of variation (standard deviation/mean) is 0.26, and there have been small 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 highest number of filings in 2014 with 74 cases, and their lowest number in 2021 with 43 cases.
| Index | Value |
|---|---|
| Average | 48.7 patents |
| Std Dev | 12.7 |
| COV | 0.26 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 50 cases | +16.28 % |
| 2021 year | 43 cases | -10.42 % |
| 2020 year | 48 cases | -33.3 % |
Trends in filing of joint patent applications with 栗田工業株式会社
半透膜を用いた分離技術 filed 403 joint applications with 栗田工業株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 238 cases in total) is 39.7, and the median is 36.5. 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.
The highest number of filings in 2018 with 70 cases, and their lowest number in 2022 with 31 cases.
| Index | Value |
|---|---|
| Average | 39.7 patents |
| Std Dev | 16.0 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 31 cases | -11.43 % |
| 2021 year | 35 cases | -7.89 % |
| 2020 year | 38 cases | -17.39 % |
Trends in filing of joint patent applications with 日東電工株式会社
半透膜を用いた分離技術 filed 168 joint applications with 日東電工株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 86 cases in total) is 14.3, and the median is 14.0. 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 highest number of filings in 2014 with 29 cases, and their lowest number in 2021 with 8 cases.
| Index | Value |
|---|---|
| Average | 14.3 patents |
| Std Dev | 6.9 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 12 cases | +50.0 % |
| 2021 year | 8 cases | -52.9 % |
| 2020 year | 17 cases | +6.25 % |
Trends in filing of joint patent applications with 三菱ケミカル株式会社
半透膜を用いた分離技術 filed 295 joint applications with 三菱ケミカル株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 105 cases in total) is 17.5, and the median is 15.5. 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 increasing for the last 3 years (2020 to 2023). The highest number of filings in 2015 with 54 cases, and their lowest number in 2020 with 11 cases.
| Index | Value |
|---|---|
| Average | 17.5 patents |
| Std Dev | 8.4 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 19 cases | +58.3 % |
| 2021 year | 12 cases | +9.09 % |
| 2020 year | 11 cases | -50.0 % |
Trends in filing of joint patent applications with オルガノ株式会社
半透膜を用いた分離技術 filed 368 joint applications with オルガノ株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 224 cases in total) is 37.3, and the median is 40.0. 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.
The number of filings has been decreasing for the last 3 years (2020 to 2023). The highest number of filings in 2019 with 54 cases, and their lowest number in 2015 with 20 cases.
| Index | Value |
|---|---|
| Average | 37.3 patents |
| Std Dev | 14.3 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 27 cases | -34.1 % |
| 2021 year | 41 cases | +5.13 % |
| 2020 year | 39 cases | -27.78 % |
Information on important patents (JP)
The following shows JP patents held by 半透膜を用いた分離技術 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and 半透膜を用いた分離技術’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 半透膜を用いた分離技術 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.
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 3 patents Invalidation Trial from third parties. The average number of Invalidation Trial is 1.3 times. The most recently Invalidation Trial patent is 特許6469123 "中空糸膜型体液濾過装置、中空糸膜型体液濾過装置の作動方法及び濾過方法" (Invalidation Trial day 2023-03-08) , next is 特許6876885 "船舶排ガスの洗浄排水処理装置" (Invalidation Trial day 2022-07-15) .
| - | No. | Title | Invalidation Trial days |
|---|---|---|---|
| 1 | 特許6469123 | 中空糸膜型体液濾過装置、中空糸膜型体液濾過装置の作動方法及び濾過方法 | 2023-03-08 |
| 2 | 特許6876885 | 船舶排ガスの洗浄排水処理装置 | 2022-07-15 |
| 3 | 特許6397781 | 濃縮器 | 2022-07-01 |
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), 5 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 1.2. The most invalidation trial patent is 特許6469123 "中空糸膜型体液濾過装置、中空糸膜型体液濾過装置の作動方法及び濾過方法" (2 times) , and the next most invalidation trial patent is 特許6755057 "有機性廃棄物処理システム" (1 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6469123 | 中空糸膜型体液濾過装置、中空糸膜型体液濾過装置の作動方法及び濾過方法 | 2 times |
| 2 | 特許6755057 | 有機性廃棄物処理システム | 1 times |
| 3 | 特許6397781 | 濃縮器 | 1 times |
| 4 | 特許6876885 | 船舶排ガスの洗浄排水処理装置 | 1 times |
| 5 | 特許6743078 | 保護性通気性材料および保護性通気性材料を製造するための方法 | 1 times |
Oppositioned cases
List of latest Oppositioned patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 24 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7471143 "水処理方法および水処理装置" (Opposition day 2024-10-04) , next is 特許7402871 "非対称細孔構造を有する多孔質ポリエチレンフィルター膜ならびに関連するフィルターおよび方法" (Opposition day 2024-06-20) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7471143 | 水処理方法および水処理装置 | 2024-10-04 |
| 2 | 特許7402871 | 非対称細孔構造を有する多孔質ポリエチレンフィルター膜ならびに関連するフィルターおよび方法 | 2024-06-20 |
| 3 | 特許7383141 | ＴＯＣ除去装置及びＴＯＣ除去方法 | 2024-05-17 |
| 4 | 特許7341905 | 半透膜支持体 | 2024-03-06 |
| 5 | 特許7329322 | 水栓装置 | 2024-02-16 |
| 6 | 特許7329892 | 水素活用システム | 2024-02-16 |
| 7 | 特許7314133 | 電気式脱イオン装置、超純水製造システムおよび超純水製造方法 | 2024-01-24 |
| 8 | 特許7262353 | 脱イオン水の製造方法および製造システム | 2023-10-18 |
| 9 | 特許7256148 | 膜分離活性汚泥処理用半透膜用支持体及びその製造方法 | 2023-10-05 |
| 10 | 特許7250612 | 水系の殺菌方法、および水系のニトロソアミン化合物の除去方法 | 2023-09-21 |
Protested cases
List of latest Protested patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 74 patents Protest from third parties. The average number of Protest is 1.2 times. The most recently Protest patent is 特開2022-171036 "水処理装置及び水処理方法" (Protest day 2024-11-11) , next is 特開2023-174126 "膜モジュール" (Protest day 2024-10-15) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特開2022-171036 | 水処理装置及び水処理方法 | 2024-11-11 |
| 2 | 特開2023-174126 | 膜モジュール | 2024-10-15 |
| 3 | 特開2024-109481 | 水処理方法、水処理装置及び純水製造システム | 2024-10-09 |
| 4 | 特開2022-021862 | 第二族元素の炭酸塩の製造方法、及び二酸化炭素固定化システム | 2024-09-17 |
| 5 | 特開2023-007173 | 給水システム | 2024-07-25 |
| 6 | 特開2024-095220 | ミネラル水の製造方法及び微生物の繁殖抑制方法 | 2024-07-20 |
| 7 | 特許7605694 | 水処理方法及び水処理装置 | 2024-07-19 |
| 8 | 特開2023-025508 | 積層膜 | 2024-07-17 |
| 9 | 特開2023-025509 | 積層膜 | 2024-07-17 |
| 10 | 特開2023-025510 | 積層膜 | 2024-07-17 |
| 11 | 特開2024-055481 | 製薬用水製造システムの滅菌方法 | 2024-07-12 |
| 12 | 特開2023-175715 | 連続アイオノマー相を有する一体型複合膜 | 2024-06-28 |
| 13 | 特開2021-183306 | 分離膜洗浄方法及びそれに用いる分離膜用洗浄剤 | 2024-06-25 |
| 14 | 特開2022-135710 | 水処理方法および水処理装置 | 2024-05-30 |
| 15 | 特開2021-176629 | 樹脂組成物の製造方法、多孔質膜の製造方法、及び多孔質膜 | 2024-05-28 |
| 16 | 特開2024-058759 | 電解次亜生成装置とこの装置を備えた可搬式浄水装置 | 2024-05-24 |
| 17 | 特開2023-176937 | 水処理方法および水処理装置 | 2024-05-13 |
| 18 | 特開2023-043988 | 水処理システムおよび水処理方法 | 2024-04-22 |
| 19 | 特許7510344 | 中空糸膜モジュール、中空糸膜モジュールの製造方法、及びろ過方法 | 2024-03-29 |
| 20 | 特開2022-114794 | 電気脱イオン装置及び脱イオン水の製造方法 | 2024-03-25 |
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), 151 patents/patent applications were protest more than once in the examination process of other patent applications. The mean of the number of protest is 1.3. The most protest patent is 特開2017-006874 "血液処理器に用いられる膜モジュールのシール材用ポリウレタン樹脂形成性組成物" (6 times) , and the next most protest patent is 特許6971992 "浸透圧補助逆浸透工程及びその使用方法" (6 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特開2017-006874 | 血液処理器に用いられる膜モジュールのシール材用ポリウレタン樹脂形成性組成物 | 6 times |
| 2 | 特許6971992 | 浸透圧補助逆浸透工程及びその使用方法 | 6 times |
| 3 | 特許6133267 | 浄水器に用いられる膜モジュールのシール材用ポリウレタン樹脂形成性組成物 | 5 times |
| 4 | 特許7411328 | 双極性アイオノマー膜 | 4 times |
| 5 | 特許6895754 | 血液透析濾過器及び血液透析濾過装置 | 3 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 80 patents Inspection from third parties. The average number of Inspection is 1.6 times. The most recently Inspection patent is 特開2022-171036 "水処理装置及び水処理方法" (Inspection day 2024-11-19) , next is 特開2023-174126 "膜モジュール" (Inspection day 2024-10-31) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特開2022-171036 | 水処理装置及び水処理方法 | 2024-11-19 |
| 2 | 特開2023-174126 | 膜モジュール | 2024-10-31 |
| 3 | 特開2024-109481 | 水処理方法、水処理装置及び純水製造システム | 2024-10-22 |
| 4 | 特開2022-021862 | 第二族元素の炭酸塩の製造方法、及び二酸化炭素固定化システム | 2024-10-11 |
| 5 | 特表2022-503695 | 紫外線照射を用いた処理ストリームからのオゾンの除去 | 2024-09-17 |
| 6 | 特表2022-500229 | 一価選択性陽イオン交換膜 | 2024-09-06 |
| 7 | 特開2023-025509 | 積層膜 | 2024-09-03 |
| 8 | 特開2023-025510 | 積層膜 | 2024-09-03 |
| 9 | 特開2023-007173 | 給水システム | 2024-08-21 |
| 10 | 特開2024-095220 | ミネラル水の製造方法及び微生物の繁殖抑制方法 | 2024-08-13 |
| 11 | 特表2021-526962 | 混合マトリックス膜中の分岐金属−有機構造体ナノ粒子および関連する方法 | 2024-08-13 |
| 12 | 特開2023-025508 | 積層膜 | 2024-07-25 |
| 13 | 特開2024-055481 | 製薬用水製造システムの滅菌方法 | 2024-07-23 |
| 14 | 特開2023-175715 | 連続アイオノマー相を有する一体型複合膜 | 2024-07-04 |
| 15 | 特開2024-058759 | 電解次亜生成装置とこの装置を備えた可搬式浄水装置 | 2024-06-18 |
| 16 | 特開2021-176629 | 樹脂組成物の製造方法、多孔質膜の製造方法、及び多孔質膜 | 2024-06-10 |
| 17 | 特許7105197 | 麻酔回路に用いる中空糸膜 | 2024-06-07 |
| 18 | 特開2023-176937 | 水処理方法および水処理装置 | 2024-06-04 |
| 19 | 特許7270124 | 二酸化炭素分離回収装置 | 2024-04-12 |
| 20 | 特許7510344 | 中空糸膜モジュール、中空糸膜モジュールの製造方法、及びろ過方法 | 2024-04-02 |
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), 167 patents/patent applications were inspection more than once in the examination process of other patent applications. The mean of the number of inspection is 1.5. The most inspection patent is 特許6971992 "浸透圧補助逆浸透工程及びその使用方法" (9 times) , and the next most inspection patent is 特開2017-006874 "血液処理器に用いられる膜モジュールのシール材用ポリウレタン樹脂形成性組成物" (6 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6971992 | 浸透圧補助逆浸透工程及びその使用方法 | 9 times |
| 2 | 特開2017-006874 | 血液処理器に用いられる膜モジュールのシール材用ポリウレタン樹脂形成性組成物 | 6 times |
| 3 | 特許6895754 | 血液透析濾過器及び血液透析濾過装置 | 5 times |
| 4 | 特許6133267 | 浄水器に用いられる膜モジュールのシール材用ポリウレタン樹脂形成性組成物 | 5 times |
| 5 | 特許7261134 | 除湿用中空糸膜モジュール及びその製造方法 | 4 times |
Cited cases
Top Patents/Patent Applications with the Highest Number of Cited
Of the patent applications filed in the last 10 years (2014-12-01 to 2024-11-30), 1,635 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 2.3. The most cited patent is 特許6818334 "リチウム選択透過膜、リチウム回収装置、リチウム回収方法、水素製造方法" (21 times) , and the next most cited patent is 特許6611824 "水酸化リチウムおよび炭酸リチウムの製造方法" (19 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6818334 | リチウム選択透過膜、リチウム回収装置、リチウム回収方法、水素製造方法 | 21 times |
| 2 | 特許6611824 | 水酸化リチウムおよび炭酸リチウムの製造方法 | 19 times |
| 3 | 特開2016-107249 | 超純水製造システム及び超純水製造方法 | 18 times |
| 4 | 特許7049075 | メタノール製造方法およびメタノール製造装置 | 17 times |
| 5 | 特許5838491 | 高純度加圧窒素ガス生成システム並びに高純度加圧窒素ガス生成方法 | 15 times |
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