ポリビニルアルコール (JP Patent Analysis Report)
The Technical Field "ポリビニルアルコール" had 56 patent application filings in the most recent period (2023-01-01 to 2023-02-28). This is a significantly decreased of -84 filings (-60.0%) over 140 they had in the same period of the previous year (2022-01-01 to 2022-02-28). This report also includes technical terms related to " PVA ", " ポバール ", " ポリ(ビニルアルコール) " in the search set.
The highest number of filings in 2015 with 1,522 cases, and their lowest number in 2022 with 872 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 6,108 cases in total) is 1,018, and the median is 1,101. 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 | 1,018 patents |
| Std Dev | 399 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 872 cases | -15.59 % |
| 2021 year | 1,033 cases | -11.63 % |
| 2020 year | 1,169 cases | -18.25 % |
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 ポリビニルアルコール for the period of the last 10 years (2014-01-01 to 2024-10-31). 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 ポリビニルアルコール, 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 ポリビニルアルコール
- 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.
ポリビニルアルコール, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of ポリビニルアルコール 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.
Search Set (Analysis Patents)
This patent analysis report was created for a patent search set of 12,087 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.
ポリビニルアルコール
Related Patent Analysis Report
A patent aanlysis report on the following synonyms was found in the technical term "ポリビニルアルコール".
- ポリビニルアルコール (Main page / Including the following synonyms)
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 ポリビニルアルコール 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, 住友化学株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 39 cases, followed by TOPPANホールディングス株式会社 with 29 cases.
| Name | Cases |
|---|---|
| 住友化学株式会社 | 39 cases |
| TOPPANホールディングス株式会社 | 29 cases |
| 大日本印刷株式会社 | 24 cases |
| 日東電工株式会社 | 15 cases |
| 東レ株式会社 | 13 cases |
| 株式会社クラレ | 11 cases |
| 積水化学工業株式会社 | 10 cases |
| 三菱製紙株式会社 | 8 cases |
| 王子ホールディングス株式会社 | 7 cases |
| 富士フイルム株式会社 | 4 cases |
Trends in filing of joint patent applications for the target period (2014 to 2024).
Comparing the number of applications of each company, 日東電工株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 407 cases, followed by 株式会社クラレ with 396 cases.
| Name | Cases |
|---|---|
| 日東電工株式会社 | 407 cases |
| 株式会社クラレ | 396 cases |
| 住友化学株式会社 | 392 cases |
| 富士フイルム株式会社 | 211 cases |
| TOPPANホールディングス株式会社 | 179 cases |
| 大日本印刷株式会社 | 162 cases |
| 王子ホールディングス株式会社 | 142 cases |
| 積水化学工業株式会社 | 142 cases |
| 東レ株式会社 | 124 cases |
| 三菱製紙株式会社 | 107 cases |
| 日本合成化学工業株式会社 | 60 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 number of patents and changes in the number of patents of other companies (competitors) in the same industry as ポリビニルアルコール 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).
Among the top coapplicants, 住友化学株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 39 cases, followed by TOPPANホールディングス株式会社 with 29 cases.
| Name | Cases |
|---|---|
| 住友化学株式会社 | 39 cases |
| TOPPANホールディングス株式会社 | 29 cases |
| 日東電工株式会社 | 15 cases |
| 株式会社クラレ | 11 cases |
| 王子ホールディングス株式会社 | 7 cases |
| 富士フイルム株式会社 | 4 cases |
Trends in filing of joint patent applications for the target period (2014 to 2024).
Among the top coapplicants, 日東電工株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 407 cases, followed by 株式会社クラレ with 396 cases.
| Name | Cases |
|---|---|
| 日東電工株式会社 | 407 cases |
| 株式会社クラレ | 396 cases |
| 住友化学株式会社 | 392 cases |
| 富士フイルム株式会社 | 211 cases |
| TOPPANホールディングス株式会社 | 179 cases |
| 王子ホールディングス株式会社 | 142 cases |
| 日本合成化学工業株式会社 | 60 cases |
Top company, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by ポリビニルアルコール’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 ポリビニルアルコール’s top 7 coapplicants over the last 20 years.
Top company Details (JP)
Trends in filing of joint patent applications with 株式会社クラレ
ポリビニルアルコール filed 396 joint applications with 株式会社クラレ for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 183 cases in total) is 30.5, and the median is 30.0. The coefficient of variation (standard deviation/mean) is 0.8, and there have been relatively large fluctuations in the number of filings from year to year.
The highest number of filings in 2019 with 70 cases, and their lowest number in 2022 with 9 cases.
| Index | Value |
|---|---|
| Average | 30.5 patents |
| Std Dev | 23.3 |
| COV | 0.8 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 9 cases | -55.0 % |
| 2021 year | 20 cases | -53.5 % |
| 2020 year | 43 cases | -38.6 % |
Trends in filing of joint patent applications with 住友化学株式会社
ポリビニルアルコール filed 392 joint applications with 住友化学株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 172 cases in total) is 28.7, and the median is 33.5. The coefficient of variation (standard deviation/mean) is 0.30, 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 2015 with 69 cases, and their lowest number in 2022 with 20 cases.
| Index | Value |
|---|---|
| Average | 28.7 patents |
| Std Dev | 8.5 |
| COV | 0.30 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 20 cases | -44.4 % |
| 2021 year | 36 cases | +5.88 % |
| 2020 year | 34 cases | -2.86 % |
Trends in filing of joint patent applications with 日東電工株式会社
ポリビニルアルコール filed 407 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, 226 cases in total) is 37.7, and the median is 29.5. The coefficient of variation (standard deviation/mean) is 0.8, and there have been relatively large fluctuations in the number of filings from year to year.
The highest number of filings in 2019 with 92 cases, and their lowest number in 2022 with 10 cases.
| Index | Value |
|---|---|
| Average | 37.7 patents |
| Std Dev | 30.4 |
| COV | 0.8 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 10 cases | -52.4 % |
| 2021 year | 21 cases | -44.7 % |
| 2020 year | 38 cases | -58.7 % |
Trends in filing of joint patent applications with 日本合成化学工業株式会社
ポリビニルアルコール filed 60 joint applications with 日本合成化学工業株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 10 years (2013 to 2023, 95 cases in total) is 8.6, and the median is 0. The coefficient of variation (standard deviation/mean) is 1.6, and there have been very big fluctuations in the number of filings from year to year.
The highest number of filings in 2014 with 37 cases, and their lowest number in 2022 with 0 cases.
| Index | Value |
|---|---|
| Average | 8.6 patents |
| Std Dev | 13.9 |
| COV | 1.6 |
| Year | Cases | YOY |
|---|---|---|
| 2017 year | 2 cases | -33.3 % |
| 2016 year | 3 cases | -83.3 % |
| 2015 year | 18 cases | -51.4 % |
Trends in filing of joint patent applications with 富士フイルム株式会社
ポリビニルアルコール filed 211 joint applications with 富士フイルム株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 106 cases in total) is 17.7, and the median is 17.0. The coefficient of variation (standard deviation/mean) is 0.8, and there have been relatively large 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 41 cases, and their lowest number in 2022 with 3 cases.
| Index | Value |
|---|---|
| Average | 17.7 patents |
| Std Dev | 13.7 |
| COV | 0.8 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 3 cases | -82.4 % |
| 2021 year | 17 cases | 0 |
| 2020 year | 17 cases | -58.5 % |
Information on important patents (JP)
The following shows JP patents held by ポリビニルアルコール that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and ポリビニルアルコール’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 ポリビニルアルコール 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
Top Patents/Patent Applications with the Highest Number of Invalidationed Trial
Of the patent applications filed in the last 10 years (2014-11-01 to 2024-10-31), 1 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) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 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 (2021-11-01 ~ 2024-10-31), there were 45 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7377507 "ガスバリア性積層フィルム" (Opposition day 2024-05-08) , next is 特許7375435 "熱転写シート" (Opposition day 2024-04-26) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7377507 | ガスバリア性積層フィルム | 2024-05-08 |
| 2 | 特許7375435 | 熱転写シート | 2024-04-26 |
| 3 | 特許7365020 | ゲルを有する物体の製造法 | 2024-04-18 |
| 4 | 特許7323718 | ビニルアルコール系重合体及びその用途 | 2024-02-01 |
| 5 | 特許7311209 | 水分散体 | 2024-01-17 |
| 6 | 特許7315589 | 再パルプ化可能な包装材料 | 2024-01-17 |
| 7 | 特許7331537 | 多層基材、該多層基材を備える多層フィルム、該多層フィルムを備える積層体および該積層体を備える包装材料 | 2024-01-16 |
| 8 | 特許7331832 | プラスチック製フィルム又はシート用活性エネルギー線硬化型接着剤組成物、積層体及び偏光板 | 2024-01-04 |
| 9 | 特許7294555 | 易開封性包装材及び包装袋 | 2023-12-20 |
| 10 | 特許7278951 | バリア基板層と内向きバリア材料層とを含むバリア層を備える寸法安定性食品容器を製造するためのシート状複合体 | 2023-11-20 |
Protested cases
List of latest Protested patents
In the last 3 years (2021-11-01 ~ 2024-10-31), there were 136 patents Protest from third parties. The average number of Protest is 1.5 times. The most recently Protest patent is 特許7574475 "包装材料" (Protest day 2024-09-04) , next is 特開2021-118847 "消火シート" (Protest day 2024-08-26) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特許7574475 | 包装材料 | 2024-09-04 |
| 2 | 特開2021-118847 | 消火シート | 2024-08-26 |
| 3 | 特開2023-087645 | ナノファイバー積層シート | 2024-08-19 |
| 4 | 特開2021-160255 | 基材、蒸着基材、積層体および包装容器 | 2024-08-02 |
| 5 | 特開2021-160257 | 蒸着基材、積層体および包装容器 | 2024-08-02 |
| 6 | 特開2021-160258 | 積層体および包装容器 | 2024-08-02 |
| 7 | 特開2023-059483 | 積層体及び包装袋 | 2024-07-26 |
| 8 | 特表2024-508601 | 多層経口薄フィルム | 2024-07-26 |
| 9 | 特開2022-107930 | ガスバリア性フィルム、積層体、および包装材料 | 2024-07-18 |
| 10 | 特開2024-025751 | ブリスター包装材用蓋部フィルムおよびブリスター包装材 | 2024-07-08 |
| 11 | 特許7560258 | 樹脂層を備えた紙バリア積層体および紙バリア容器 | 2024-07-08 |
| 12 | 特開2021-155886 | 抄紙用耐水剤キット、耐水紙及びその製造方法 | 2024-07-05 |
| 13 | 特開2021-137445 | 消火用積層体 | 2024-06-24 |
| 14 | 特開2021-160270 | 積層体および包装容器 | 2024-06-18 |
| 15 | 特開2021-160269 | 積層体および包装容器 | 2024-06-18 |
| 16 | 特表2023-504011 | 金属－有機骨格押出物の製造方法 | 2024-06-18 |
| 17 | 特開2021-160188 | 積層体および包装容器 | 2024-06-12 |
| 18 | 特表2024-503457 | 電気化学素子用電極リード及びこれを備えた電気化学素子 | 2024-06-10 |
| 19 | 特開2020-066592 | 水性貼付剤 | 2024-06-10 |
| 20 | 特開2024-065632 | 尿素含有液状肥料、その製造方法及び尿素針状結晶成長の抑制方法 | 2024-06-05 |
Top Patents/Patent Applications with the Highest Number of Protested
Of the patent applications filed in the last 10 years (2014-11-01 to 2024-10-31), 313 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6612191 "偏光板" (8 times) , and the next most protest patent is 特開2021-066780 "繊維状物質分散液、及び繊維強化樹脂組成物" (6 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6612191 | 偏光板 | 8 times |
| 2 | 特開2021-066780 | 繊維状物質分散液、及び繊維強化樹脂組成物 | 6 times |
| 3 | 特許6971992 | 浸透圧補助逆浸透工程及びその使用方法 | 6 times |
| 4 | 特許7161277 | 水溶性フィルム及び薬剤包装体 | 5 times |
| 5 | 特許7221520 | 生分解性ポリマーの水性の加水分解安定性分散液 | 5 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2021-11-01 ~ 2024-10-31), there were 182 patents Inspection from third parties. The average number of Inspection is 2.4 times. The most recently Inspection patent is 特開2021-118847 "消火シート" (Inspection day 2024-09-18) , next is 特開2022-107930 "ガスバリア性フィルム、積層体、および包装材料" (Inspection day 2024-08-22) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特開2021-118847 | 消火シート | 2024-09-18 |
| 2 | 特開2022-107930 | ガスバリア性フィルム、積層体、および包装材料 | 2024-08-22 |
| 3 | 特開2021-160255 | 基材、蒸着基材、積層体および包装容器 | 2024-08-20 |
| 4 | 特開2021-160257 | 蒸着基材、積層体および包装容器 | 2024-08-20 |
| 5 | 特開2021-160258 | 積層体および包装容器 | 2024-08-20 |
| 6 | 特開2023-087645 | ナノファイバー積層シート | 2024-08-20 |
| 7 | 特開2023-059483 | 積層体及び包装袋 | 2024-08-13 |
| 8 | 特表2024-504480 | フィルタ媒体およびその生産のためのプロセス | 2024-08-07 |
| 9 | 特開2021-155886 | 抄紙用耐水剤キット、耐水紙及びその製造方法 | 2024-07-31 |
| 10 | 特表2023-531165 | 金属基材に接合した前処理組成物及びその製造方法 | 2024-07-23 |
| 11 | 特表2023-504011 | 金属－有機骨格押出物の製造方法 | 2024-07-11 |
| 12 | 特表2024-503457 | 電気化学素子用電極リード及びこれを備えた電気化学素子 | 2024-07-09 |
| 13 | 特開2021-137445 | 消火用積層体 | 2024-07-08 |
| 14 | 特開2024-065632 | 尿素含有液状肥料、その製造方法及び尿素針状結晶成長の抑制方法 | 2024-07-03 |
| 15 | 特許7566813 | 高選択性及び高強度のための高度に強化されたイオノマー膜 | 2024-06-26 |
| 16 | 特表2020-535232 | 透過エンハンサーを含む送達医薬組成物 | 2024-06-25 |
| 17 | 特開2021-160270 | 積層体および包装容器 | 2024-06-25 |
| 18 | 特開2021-160269 | 積層体および包装容器 | 2024-06-25 |
| 19 | 特開2021-160188 | 積層体および包装容器 | 2024-06-20 |
| 20 | 特開2020-066592 | 水性貼付剤 | 2024-06-11 |
Top Patents/Patent Applications with the Highest Number of Inspectioned
Of the patent applications filed in the last 10 years (2014-11-01 to 2024-10-31), 441 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 特開2021-066780 "繊維状物質分散液、及び繊維強化樹脂組成物" (15 times) , and the next most inspection patent is 特許6279457 "水中油型乳化化粧料" (13 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特開2021-066780 | 繊維状物質分散液、及び繊維強化樹脂組成物 | 15 times |
| 2 | 特許6279457 | 水中油型乳化化粧料 | 13 times |
| 3 | 特開2020-066592 | 水性貼付剤 | 12 times |
| 4 | 特許6274628 | 炭素蒸着アルカリ金属ホスホシリケートカソード材料、及び二つの乾燥高エネルギーミリングステップを含むそれの製造方法 | 10 times |
| 5 | 特許6612191 | 偏光板 | 9 times |
Cited cases
Top Patents/Patent Applications with the Highest Number of Cited
Of the patent applications filed in the last 10 years (2014-11-01 to 2024-10-31), 2,525 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 2.8. The most cited patent is 特許6857443 "電池用電極組成物および電池用電極を形成する方法" (39 times) , and the next most cited patent is 特許6396407 "偏光膜、偏光膜を含む光学フィルム積層体、及び、偏光膜を含む光学フィルム積層体の製造に用いるための延伸積層体、並びにそれらの製造方法、並びに偏光膜を有する有機ＥＬ表示装置" (38 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6857443 | 電池用電極組成物および電池用電極を形成する方法 | 39 times |
| 2 | 特許6396407 | 偏光膜、偏光膜を含む光学フィルム積層体、及び、偏光膜を含む光学フィルム積層体の製造に用いるための延伸積層体、並びにそれらの製造方法、並びに偏光膜を有する有機ＥＬ表示装置 | 38 times |
| 3 | 特許6336075 | 局地的脱色領域を含む偏光部材、偏光部材ロールおよび枚葉型偏光部材の製造方法 | 33 times |
| 4 | 特開2019-028196 | 偏光板および画像表示装置 | 30 times |
| 5 | 特許6472359 | 水系印刷転写固定システムのための低い剥離力を有するアンダーコート層 | 30 times |
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