強化プラスチック材料技術 (JP Patent Analysis Report)
The Theme Code "強化プラスチック材料技術" had 91 patent application filings in the most recent period (2023-01-01 to 2023-03-31). This is a significantly decreased of -25 filings (-21.6%) over 116 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 724 cases, and their lowest number in 2021 with 341 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 2,559 cases in total) is 426, and the median is 407. 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 | 426 patents |
| Std Dev | 153 |
| COV | 0.4 |
The number of filings has been decreasing for the last 3 years (2020 to 2023).
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 373 cases | +9.38 % |
| 2021 year | 341 cases | -22.68 % |
| 2020 year | 441 cases | -26.62 % |
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 強化プラスチック材料技術[4F072] 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 強化プラスチック材料技術, 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 強化プラスチック材料技術
- 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.
強化プラスチック材料技術, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of 強化プラスチック材料技術 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 強化プラスチック材料技術 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 強化プラスチック材料技術 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 5,247 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.
強化プラスチック材料技術[4F072]
Same industry / competition company information (JP)
The patent information of the higher applicant in the technical theme 強化プラスチック材料技術 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, 三菱ケミカル株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 51 cases, followed by 東レ株式会社 with 44 cases.
| Name | Cases |
|---|---|
| 三菱ケミカル株式会社 | 51 cases |
| 東レ株式会社 | 44 cases |
| 旭化成株式会社 | 39 cases |
| DIC株式会社 | 29 cases |
| 三菱瓦斯化学株式会社 | 25 cases |
| 株式会社レゾナック | 17 cases |
| 住友ベークライト株式会社 | 13 cases |
| 積水化学工業株式会社 | 12 cases |
| 帝人株式会社 | 9 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 539 cases, followed by 三菱ケミカル株式会社 with 379 cases.
| Name | Cases |
|---|---|
| 東レ株式会社 | 539 cases |
| 三菱ケミカル株式会社 | 379 cases |
| 株式会社レゾナック | 265 cases |
| 三菱瓦斯化学株式会社 | 218 cases |
| DIC株式会社 | 197 cases |
| 旭化成株式会社 | 188 cases |
| 帝人株式会社 | 150 cases |
| 住友ベークライト株式会社 | 106 cases |
| 積水化学工業株式会社 | 73 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 強化プラスチック材料技術 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, 三菱ケミカル株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 51 cases, followed by 東レ株式会社 with 44 cases.
| Name | Cases |
|---|---|
| 三菱ケミカル株式会社 | 51 cases |
| 東レ株式会社 | 44 cases |
| DIC株式会社 | 29 cases |
| 株式会社レゾナック | 17 cases |
| 住友ベークライト株式会社 | 13 cases |
| 帝人株式会社 | 9 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 539 cases, followed by 三菱ケミカル株式会社 with 379 cases.
| Name | Cases |
|---|---|
| 東レ株式会社 | 539 cases |
| 三菱ケミカル株式会社 | 379 cases |
| 株式会社レゾナック | 265 cases |
| DIC株式会社 | 197 cases |
| 帝人株式会社 | 150 cases |
| 住友ベークライト株式会社 | 106 cases |
Top company, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by 強化プラスチック材料技術’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 強化プラスチック材料技術’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
強化プラスチック材料技術 filed 539 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, 276 cases in total) is 46.0, and the median is 43.0. 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 highest number of filings in 2019 with 75 cases, and their lowest number in 2022 with 29 cases.
| Index | Value |
|---|---|
| Average | 46.0 patents |
| Std Dev | 22.4 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 29 cases | -14.71 % |
| 2021 year | 34 cases | -34.6 % |
| 2020 year | 52 cases | -30.7 % |
Trends in filing of joint patent applications with 株式会社レゾナック
強化プラスチック材料技術 filed 265 joint applications with 株式会社レゾナック for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 101 cases in total) is 16.8, and the median is 15.5. 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 number of filings has been increasing for the last 3 years (2020 to 2023). The highest number of filings in 2016 with 49 cases, and their lowest number in 2020 with 12 cases.
| Index | Value |
|---|---|
| Average | 16.8 patents |
| Std Dev | 10.7 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 17 cases | +21.43 % |
| 2021 year | 14 cases | +16.67 % |
| 2020 year | 12 cases | -47.8 % |
Trends in filing of joint patent applications with 住友ベークライト株式会社
強化プラスチック材料技術 filed 106 joint applications with 住友ベークライト株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 54 cases in total) is 9.0, and the median is 10.5. 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 2017 with 18 cases, and their lowest number in 2019 with 6 cases.
| Index | Value |
|---|---|
| Average | 9.0 patents |
| Std Dev | 4.3 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 12 cases | +9.09 % |
| 2021 year | 11 cases | +10.00 % |
| 2020 year | 10 cases | +66.7 % |
Trends in filing of joint patent applications with 三菱ケミカル株式会社
強化プラスチック材料技術 filed 379 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, 190 cases in total) is 31.7, and the median is 33.0. 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 2016 with 53 cases, and their lowest number in 2021 with 23 cases.
| Index | Value |
|---|---|
| Average | 31.7 patents |
| Std Dev | 12.3 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 38 cases | +65.2 % |
| 2021 year | 23 cases | -17.86 % |
| 2020 year | 28 cases | -36.4 % |
Trends in filing of joint patent applications with DIC株式会社
強化プラスチック材料技術 filed 197 joint applications with DIC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, 109 cases in total) is 18.2, and the median is 16.5. 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 decreasing for the last 3 years (2020 to 2023). The highest number of filings in 2020 with 36 cases, and their lowest number in 2019 with 11 cases.
| Index | Value |
|---|---|
| Average | 18.2 patents |
| Std Dev | 9.1 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 21 cases | +50.0 % |
| 2021 year | 14 cases | -61.1 % |
| 2020 year | 36 cases | +227 % |
Information on important patents (JP)
The following shows JP patents held by 強化プラスチック材料技術 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and 強化プラスチック材料技術’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 強化プラスチック材料技術 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 1 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6944440 "準安定粒子を含有する複合材料及び樹脂組成物" (Invalidation Trial day 2022-11-22) .
| - | No. | Title | Invalidation Trial days |
|---|---|---|---|
| 1 | 特許6944440 | 準安定粒子を含有する複合材料及び樹脂組成物 | 2022-11-22 |
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), 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6944440 "準安定粒子を含有する複合材料及び樹脂組成物" (1 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6944440 | 準安定粒子を含有する複合材料及び樹脂組成物 | 1 times |
Oppositioned cases
List of latest Oppositioned patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 28 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7409369 "樹脂組成物、プリプレグ、金属箔張積層板、樹脂複合シート、および、プリント配線板" (Opposition day 2024-07-08) , next is 特許7380969 "植物繊維強化樹脂組成物の製造方法" (Opposition day 2024-05-15) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7409369 | 樹脂組成物、プリプレグ、金属箔張積層板、樹脂複合シート、および、プリント配線板 | 2024-07-08 |
| 2 | 特許7380969 | 植物繊維強化樹脂組成物の製造方法 | 2024-05-15 |
| 3 | 特許7359405 | 炭素繊維及び炭素繊維強化樹脂組成物の製造方法 | 2024-04-10 |
| 4 | 特許7347496 | 成形用基材 | 2024-02-21 |
| 5 | 特許7336079 | ３Ｄプリンタ用繊維強化熱可塑性樹脂フィラメントおよびその成形品 | 2024-02-08 |
| 6 | 特許7321879 | プリプレグ、及びプリント配線基板 | 2024-02-07 |
| 7 | 特許7243091 | エポキシ樹脂、エポキシ樹脂組成物、エポキシ樹脂硬化物及び複合材料 | 2023-09-15 |
| 8 | 特許7245186 | 静電的方法により粉末コーティングされるストランド | 2023-09-14 |
| 9 | 特許7243164 | ＶａＲＴＭ成形用樹脂組成物、成形材料、成形品及び成形品の製造方法 | 2023-08-31 |
| 10 | 特許7249478 | 電磁波遮蔽性成形体 | 2023-08-30 |
Protested cases
List of latest Protested patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 80 patents Protest from third parties. The average number of Protest is 1.4 times. The most recently Protest patent is 特開2022-150747 "プリプレグ、プリプレグの製造方法、スリットプリプレグ、積層基材及び繊維強化複合材料" (Protest day 2024-10-30) , next is 特開2022-150363 "樹脂シート及び防煙垂壁" (Protest day 2024-10-24) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特開2022-150747 | プリプレグ、プリプレグの製造方法、スリットプリプレグ、積層基材及び繊維強化複合材料 | 2024-10-30 |
| 2 | 特開2022-150363 | 樹脂シート及び防煙垂壁 | 2024-10-24 |
| 3 | 特開2023-020676 | フィルム及び止水テープ | 2024-10-10 |
| 4 | 特表2022-513924 | 最適な分子量および粘度の熱可塑性ポリマーを含浸させた繊維材料ならびにその製造方法 | 2024-10-03 |
| 5 | 特開2023-052215 | 熱放出性の低い高強度の複合材 | 2024-09-18 |
| 6 | 特開2022-147464 | 樹脂組成物とその成形品 | 2024-09-13 |
| 7 | 特開2023-143202 | 繊維強化樹脂成形体及びその製造方法 | 2024-08-23 |
| 8 | 特開2023-028135 | 連続繊維樹脂複合体 | 2024-08-07 |
| 9 | 特開2023-028136 | 連続繊維樹脂複合体 | 2024-08-07 |
| 10 | 特開2023-039722 | ガラス不織布、ガラス繊維強化プラスチック成形体、ガラスチョップドストランド、およびガラス不織布の製造方法 | 2024-06-11 |
| 11 | 特開2022-180746 | 複合材料およびプリプレグ | 2024-06-11 |
| 12 | 特表2023-502717 | 積層品のための高いガラス転移温度を有する組成物 | 2024-05-29 |
| 13 | 特開2022-109489 | プリプレグ、半導体パッケージ用の基板材料、及び、半導体パッケージ用の基板材料を製造する方法 | 2024-05-21 |
| 14 | 特許7495278 | 繊維分散樹脂複合材、成形体、及び複合部材 | 2024-05-07 |
| 15 | 特開2022-121230 | 連続繊維強化樹脂複合材料及びその製造方法 | 2024-05-07 |
| 16 | 特開2021-107544 | エポキシ樹脂組成物、プリプレグ、及び繊維強化プラスチック | 2024-04-25 |
| 17 | 特開2021-107536 | 複合材料用部材、複合材料、移動体及びフィルムの製造方法 | 2024-04-15 |
| 18 | 特許7559340 | 光硬化型ライニング材用樹脂組成物、光硬化型ライニング材、及びその硬化物 | 2024-03-11 |
| 19 | 特許7540259 | 炭素繊維シート製造方法、炭素繊維ウェブ製造装置および炭素繊維シート製造装置 | 2024-03-06 |
| 20 | 特開2022-069001 | 繊維強化複合材料の製造方法 | 2024-02-05 |
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), 201 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 特許7169053 "ガラスクロス、プリプレグ、及びプリント配線板" (5 times) , and the next most protest patent is 特許7269781 "繊維用集束剤、繊維束、繊維製品、プリプレグ及び成形体" (4 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許7169053 | ガラスクロス、プリプレグ、及びプリント配線板 | 5 times |
| 2 | 特許7269781 | 繊維用集束剤、繊維束、繊維製品、プリプレグ及び成形体 | 4 times |
| 3 | 特許6521895 | 繊維強化樹脂中間材及びその製造方法 | 4 times |
| 4 | 特許7321879 | プリプレグ、及びプリント配線基板 | 4 times |
| 5 | 特許6923435 | 繊維強化樹脂材料成形体、繊維強化樹脂材料成形体の製造方法及び繊維強化樹脂材料の製造方法 | 4 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 93 patents Inspection from third parties. The average number of Inspection is 1.5 times. The most recently Inspection patent is 特開2022-150747 "プリプレグ、プリプレグの製造方法、スリットプリプレグ、積層基材及び繊維強化複合材料" (Inspection day 2024-11-06) , next is 特開2023-052215 "熱放出性の低い高強度の複合材" (Inspection day 2024-10-18) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特開2022-150747 | プリプレグ、プリプレグの製造方法、スリットプリプレグ、積層基材及び繊維強化複合材料 | 2024-11-06 |
| 2 | 特開2023-052215 | 熱放出性の低い高強度の複合材 | 2024-10-18 |
| 3 | 特表2022-513924 | 最適な分子量および粘度の熱可塑性ポリマーを含浸させた繊維材料ならびにその製造方法 | 2024-10-18 |
| 4 | 特開2022-147464 | 樹脂組成物とその成形品 | 2024-10-01 |
| 5 | 特開2023-143202 | 繊維強化樹脂成形体及びその製造方法 | 2024-09-12 |
| 6 | 特開2023-028135 | 連続繊維樹脂複合体 | 2024-08-13 |
| 7 | 特開2023-028136 | 連続繊維樹脂複合体 | 2024-08-13 |
| 8 | 特開2023-039722 | ガラス不織布、ガラス繊維強化プラスチック成形体、ガラスチョップドストランド、およびガラス不織布の製造方法 | 2024-06-24 |
| 9 | 特開2023-162905 | 樹脂剛直高分子複合体の製造方法及び樹脂剛直高分子複合体 | 2024-06-19 |
| 10 | 特開2022-180746 | 複合材料およびプリプレグ | 2024-06-18 |
| 11 | 特開2022-109489 | プリプレグ、半導体パッケージ用の基板材料、及び、半導体パッケージ用の基板材料を製造する方法 | 2024-06-05 |
| 12 | 特開2022-096749 | エポキシ樹脂組成物、およびプリプレグ | 2024-05-24 |
| 13 | 特開2022-122756 | エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料 | 2024-05-24 |
| 14 | 特開2022-120692 | 繊維強化複合材料の製造方法 | 2024-05-24 |
| 15 | 特開2022-144570 | エポキシ樹脂組成物、およびプリプレグ | 2024-05-24 |
| 16 | 特開2022-147485 | エポキシ樹脂組成物、並びにこれを用いたプリプレグ及び繊維強化プラスチック | 2024-05-24 |
| 17 | 特開2021-107544 | エポキシ樹脂組成物、プリプレグ、及び繊維強化プラスチック | 2024-05-24 |
| 18 | 特許7495278 | 繊維分散樹脂複合材、成形体、及び複合部材 | 2024-05-17 |
| 19 | 特開2021-107536 | 複合材料用部材、複合材料、移動体及びフィルムの製造方法 | 2024-05-15 |
| 20 | 特開2022-121230 | 連続繊維強化樹脂複合材料及びその製造方法 | 2024-05-14 |
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), 223 patents/patent applications were inspection more than once in the examination process of other patent applications. The mean of the number of inspection is 1.6. The most inspection patent is 特許6923435 "繊維強化樹脂材料成形体、繊維強化樹脂材料成形体の製造方法及び繊維強化樹脂材料の製造方法" (9 times) , and the next most inspection patent is 特許6657571 "樹脂強化用炭素繊維束、並びに、樹脂強化用炭素繊維束、炭素繊維強化熱可塑性樹脂組成物及び成形体の製造方法" (7 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6923435 | 繊維強化樹脂材料成形体、繊維強化樹脂材料成形体の製造方法及び繊維強化樹脂材料の製造方法 | 9 times |
| 2 | 特許6657571 | 樹脂強化用炭素繊維束、並びに、樹脂強化用炭素繊維束、炭素繊維強化熱可塑性樹脂組成物及び成形体の製造方法 | 7 times |
| 3 | 特許7139417 | セルロースナノファイバー含水分散液 | 7 times |
| 4 | 特許6477720 | 繊維強化プラスチック及びその製造方法 | 6 times |
| 5 | 特許6521895 | 繊維強化樹脂中間材及びその製造方法 | 5 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), 1,347 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6550872 "プリント配線基板用樹脂組成物、プリプレグ、樹脂基板、金属張積層板、プリント配線基板、および半導体装置" (30 times) , and the next most cited patent is 特許6091589 "化学修飾セルロースナノファイバー及び熱可塑性樹脂を含有する繊維強化樹脂組成物" (25 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6550872 | プリント配線基板用樹脂組成物、プリプレグ、樹脂基板、金属張積層板、プリント配線基板、および半導体装置 | 30 times |
| 2 | 特許6091589 | 化学修飾セルロースナノファイバー及び熱可塑性樹脂を含有する繊維強化樹脂組成物 | 25 times |
| 3 | 特許6922157 | 樹脂組成物、積層板及び多層プリント配線板 | 25 times |
| 4 | 特許6756107 | 樹脂フィルム、支持体付き樹脂フィルム、プリプレグ、高多層用金属張積層板及び高多層印刷配線板 | 23 times |
| 5 | 特許6210582 | セルロース繊維分散ポリエチレン樹脂複合材、それを用いた成形体及びペレット、並びに、セルロース繊維付着ポリエチレン薄膜片のリサイクル方法 | 22 times |
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