ポリエステル、ポリカーボネート技術 (JP Patent Analysis Report)
The Theme Code "ポリエステル、ポリカーボネート技術" had 107 patent application filings in the most recent period (2023-01-01 to 2023-03-31). This is a significantly decreased of -43 filings (-28.7%) over 150 they had in the same period of the previous year (2022-01-01 to 2022-03-31).
The highest number of filings in 2014 with 570 cases, and their lowest number in 2020 with 431 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 2,400 cases in total) is 400, and the median is 432. The coefficient of variation (standard deviation/mean) is 0.23, and there have been small fluctuations in the number of filings from year to year.
| Index | Value |
|---|---|
| Average | 400 patents |
| Std Dev | 93.4 |
| COV | 0.23 |
The number of filings has been increasing for the last 3 years (2020 to 2023).
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 435 cases | +0.46 % |
| 2021 year | 433 cases | +0.46 % |
| 2020 year | 431 cases | -0.23 % |
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 ポリエステル、ポリカーボネート技術[4J029] 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 ポリエステル、ポリカーボネート技術, 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 ポリエステル、ポリカーボネート技術
- 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.
ポリエステル、ポリカーボネート技術, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of ポリエステル、ポリカーボネート技術 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 ポリエステル、ポリカーボネート技術 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 ポリエステル、ポリカーボネート技術 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 4,494 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.
ポリエステル、ポリカーボネート技術[4J029]
Same industry / competition company information (JP)
The patent information of the higher applicant in the technical theme ポリエステル、ポリカーボネート技術 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 98 cases, followed by 東レ株式会社 with 44 cases.
| Name | Cases |
|---|---|
| 三菱ケミカル株式会社 | 98 cases |
| 東レ株式会社 | 44 cases |
| 帝人株式会社 | 31 cases |
| ユニチカ株式会社 | 16 cases |
| DIC株式会社 | 14 cases |
| 東洋紡株式会社 | 12 cases |
| 三菱瓦斯化学株式会社 | 12 cases |
| 日本エステル株式会社 | 10 cases |
| 三井化学株式会社 | 4 cases |
| 出光興産株式会社 | 3 cases |
Trends in filing of joint patent applications for the target period (2014 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 for the target period (2014 to 2024) with 556 cases, followed by 東レ株式会社 with 284 cases.
| Name | Cases |
|---|---|
| 三菱ケミカル株式会社 | 556 cases |
| 東レ株式会社 | 284 cases |
| 帝人株式会社 | 224 cases |
| 三菱瓦斯化学株式会社 | 157 cases |
| ユニチカ株式会社 | 131 cases |
| 東洋紡株式会社 | 129 cases |
| 日本エステル株式会社 | 102 cases |
| DIC株式会社 | 91 cases |
| 出光興産株式会社 | 88 cases |
| 三井化学株式会社 | 44 cases |
| 三菱化学株式会社 | 27 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 ポリエステル、ポリカーボネート技術 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 98 cases, followed by 東レ株式会社 with 44 cases.
| Name | Cases |
|---|---|
| 三菱ケミカル株式会社 | 98 cases |
| 東レ株式会社 | 44 cases |
| 帝人株式会社 | 31 cases |
| 東洋紡株式会社 | 12 cases |
| 三菱瓦斯化学株式会社 | 12 cases |
| 三井化学株式会社 | 4 cases |
Trends in filing of joint patent applications for the target period (2014 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 for the target period (2014 to 2024) with 556 cases, followed by 東レ株式会社 with 284 cases.
| Name | Cases |
|---|---|
| 三菱ケミカル株式会社 | 556 cases |
| 東レ株式会社 | 284 cases |
| 帝人株式会社 | 224 cases |
| 三菱瓦斯化学株式会社 | 157 cases |
| 東洋紡株式会社 | 129 cases |
| 三井化学株式会社 | 44 cases |
| 三菱化学株式会社 | 27 cases |
Top company, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by ポリエステル、ポリカーボネート技術’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 ポリエステル、ポリカーボネート技術’s top 7 coapplicants over the last 20 years.
Top company Details (JP)
Trends in filing of joint patent applications with 帝人株式会社
ポリエステル、ポリカーボネート技術 filed 224 joint applications with 帝人株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 138 cases in total) is 23.0, and the median is 26.0. 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 32 cases, and their lowest number in 2017 with 13 cases.
| Index | Value |
|---|---|
| Average | 23.0 patents |
| Std Dev | 8.3 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 23 cases | -20.69 % |
| 2021 year | 29 cases | 0 |
| 2020 year | 29 cases | -9.38 % |
Trends in filing of joint patent applications with 東レ株式会社
ポリエステル、ポリカーボネート技術 filed 284 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, 155 cases in total) is 25.8, and the median is 28.5. The coefficient of variation (standard deviation/mean) is 0.27, 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 39 cases, and their lowest number in 2021 with 18 cases.
| Index | Value |
|---|---|
| Average | 25.8 patents |
| Std Dev | 7.0 |
| COV | 0.27 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 26 cases | +44.4 % |
| 2021 year | 18 cases | -45.5 % |
| 2020 year | 33 cases | +3.12 % |
Trends in filing of joint patent applications with 東洋紡株式会社
ポリエステル、ポリカーボネート技術 filed 129 joint applications with 東洋紡株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 64 cases in total) is 10.7, and the median is 8.5. The coefficient of variation (standard deviation/mean) is 0.6, and there have been big fluctuations in the number of filings from year to year.
The number of filings has been increasing for the last 3 years (2020 to 2023). The highest number of filings in 2014 with 23 cases, and their lowest number in 2022 with 5 cases.
| Index | Value |
|---|---|
| Average | 10.7 patents |
| Std Dev | 6.0 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 5 cases | -50.0 % |
| 2021 year | 10 cases | +42.9 % |
| 2020 year | 7 cases | -41.7 % |
Trends in filing of joint patent applications with 三菱化学株式会社
ポリエステル、ポリカーボネート技術 filed 27 joint applications with 三菱化学株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 10 years (2013 to 2023, 55 cases in total) is 5.0, and the median is 0. The coefficient of variation (standard deviation/mean) is 1.7, and there have been very big fluctuations in the number of filings from year to year.
The highest number of filings in 2014 with 15 cases, and their lowest number in 2022 with 0 cases.
| Index | Value |
|---|---|
| Average | 5.0 patents |
| Std Dev | 8.7 |
| COV | 1.7 |
| Year | Cases | YOY |
|---|---|---|
| 2016 year | 2 cases | -80.0 % |
| 2015 year | 10 cases | -33.3 % |
| 2014 year | 15 cases | -46.4 % |
Trends in filing of joint patent applications with 三菱ケミカル株式会社
ポリエステル、ポリカーボネート技術 filed 556 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, 311 cases in total) is 51.8, and the median is 57.5. The coefficient of variation (standard deviation/mean) is 0.24, 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 2019 with 37 cases.
| Index | Value |
|---|---|
| Average | 51.8 patents |
| Std Dev | 12.6 |
| COV | 0.24 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 59 cases | -9.23 % |
| 2021 year | 65 cases | +16.07 % |
| 2020 year | 56 cases | +51.4 % |
Information on important patents (JP)
The following shows JP patents held by ポリエステル、ポリカーボネート技術 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and ポリエステル、ポリカーボネート技術’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 ポリエステル、ポリカーボネート技術 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.
Oppositioned cases
List of latest Oppositioned patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 31 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7351531 "ポリエステル系フィルム及びその製造方法" (Opposition day 2024-03-18) , next is 特許7323134 "バイオベースポリカーボネートエステル及びその調製方法" (Opposition day 2024-02-02) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7351531 | ポリエステル系フィルム及びその製造方法 | 2024-03-18 |
| 2 | 特許7323134 | バイオベースポリカーボネートエステル及びその調製方法 | 2024-02-02 |
| 3 | 特許7294819 | 透明導電性フィルム用基材および透明導電性フィルム | 2023-12-20 |
| 4 | 特許7294133 | 非晶質ポリエステル樹脂、接着剤、塗料組成物、積層体 | 2023-12-18 |
| 5 | 特許7293528 | 接着剤樹脂組成物 | 2023-12-05 |
| 6 | 特許7279842 | ポリエステル系樹脂、接着剤組成物及び接着剤 | 2023-11-20 |
| 7 | 特許7279843 | ポリエステル系樹脂、接着剤組成物及び接着剤 | 2023-11-20 |
| 8 | 特許7253035 | ポリカーボネートジオール | 2023-10-04 |
| 9 | 特許7231623 | 再生可能原料から得られるフランカルボン酸に基づくポリエステルポリオール系接着剤 | 2023-08-28 |
| 10 | 特許7223300 | ポリエステル系樹脂、接着剤組成物及び接着剤 | 2023-08-09 |
Protested cases
List of latest Protested patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 106 patents Protest from third parties. The average number of Protest is 1.5 times. The most recently Protest patent is 特開2022-132684 "二軸延伸ポリエステル樹脂系フィルム及びその製造方法" (Protest day 2024-11-22) , next is 特開2023-034955 "ポリエステル樹脂" (Protest day 2024-11-21) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特開2022-132684 | 二軸延伸ポリエステル樹脂系フィルム及びその製造方法 | 2024-11-22 |
| 2 | 特開2023-034955 | ポリエステル樹脂 | 2024-11-21 |
| 3 | 特開2022-055957 | 再生ポリエステル樹脂及び再生ポリエステル樹脂の製造方法 | 2024-11-06 |
| 4 | 特開2023-049391 | シーラントフィルム、それを用いた積層フィルム、包装袋および包装容器、ならびにシーラントフィルムの製造方法 | 2024-11-05 |
| 5 | 特開2022-040153 | 再生ポリエステル樹脂及び再生ポリエステル樹脂の製造方法 | 2024-10-28 |
| 6 | 特開2021-143246 | シーラントフィルム、積層体及び包装体 | 2024-10-22 |
| 7 | 特開2021-134351 | 耐水性水中油サンケア配合物のための生分解性ポリエステル | 2024-10-10 |
| 8 | 特表2023-528591 | 生分解性ポリエステル及びそれから作られた粘着性包装フィルム | 2024-08-20 |
| 9 | 特許7561328 | バイオマス資源由来ポリエステルエラストマー | 2024-08-05 |
| 10 | 特開2022-048631 | 熱可塑性樹脂組成物 | 2024-07-24 |
| 11 | 特開2022-164012 | 液晶ポリエステル樹脂 | 2024-06-13 |
| 12 | 特表2024-509761 | ポリエチレンテレフタレート（ＰＥＴ）の脱重合による液体形態のビス（２－ヒドロキシエチル）テレフタレートの製造方法 | 2024-06-12 |
| 13 | 特開2022-070657 | 樹脂組成物 | 2024-06-12 |
| 14 | 特表2023-549183 | リサイクル単量体を含むポリエステル共重合体 | 2024-05-31 |
| 15 | 特表2022-544275 | ポリマーのリサイクル | 2024-05-30 |
| 16 | 特表2024-502878 | リサイクルが容易な毛材物品 | 2024-05-22 |
| 17 | 特開2022-154012 | ポリエステル樹脂ペレットの製造方法 | 2024-05-21 |
| 18 | 特表2023-507275 | ビス（２－ヒドロキシエチル）テレフタレートの精製方法の製造方法 | 2024-05-14 |
| 19 | 特表2022-534575 | 皮脂耐性が改善されたブロック共重合体 | 2024-05-08 |
| 20 | 特許7512194 | ポリカーボネートジオール | 2024-05-07 |
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), 234 patents/patent applications were protest more than once in the examination process of other patent applications. The mean of the number of protest is 1.4. The most protest patent is 特許7512194 "ポリカーボネートジオール" (6 times) , and the next most protest patent is 特許6360897 "ポリカーボネートジオール" (5 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許7512194 | ポリカーボネートジオール | 6 times |
| 2 | 特許6360897 | ポリカーボネートジオール | 5 times |
| 3 | 特開2022-040153 | 再生ポリエステル樹脂及び再生ポリエステル樹脂の製造方法 | 5 times |
| 4 | 特許7404873 | ビスフェノール組成物及びその製造方法、並びにポリカーボネート樹脂及びその製造方法 | 5 times |
| 5 | 特開2018-076525 | ポリエステル樹脂組成物 | 4 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 105 patents Inspection from third parties. The average number of Inspection is 2.0 times. The most recently Inspection patent is 特許7600575 "ポリエステル樹脂" (Inspection day 2024-11-20) , next is 特開2022-040153 "再生ポリエステル樹脂及び再生ポリエステル樹脂の製造方法" (Inspection day 2024-11-08) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特許7600575 | ポリエステル樹脂 | 2024-11-20 |
| 2 | 特開2022-040153 | 再生ポリエステル樹脂及び再生ポリエステル樹脂の製造方法 | 2024-11-08 |
| 3 | 特許7531056 | リサイクルプラスチック合成用単量体組成物、その製造方法、およびそれを用いたリサイクルプラスチック、成形品および可塑剤組成物 | 2024-10-18 |
| 4 | 特表2023-528591 | 生分解性ポリエステル及びそれから作られた粘着性包装フィルム | 2024-10-10 |
| 5 | 特表2024-509761 | ポリエチレンテレフタレート（ＰＥＴ）の脱重合による液体形態のビス（２－ヒドロキシエチル）テレフタレートの製造方法 | 2024-09-11 |
| 6 | 特許7561328 | バイオマス資源由来ポリエステルエラストマー | 2024-08-09 |
| 7 | 特開2022-048631 | 熱可塑性樹脂組成物 | 2024-07-30 |
| 8 | 特開2022-132684 | 二軸延伸ポリエステル樹脂系フィルム及びその製造方法 | 2024-07-05 |
| 9 | 特表2023-549183 | リサイクル単量体を含むポリエステル共重合体 | 2024-06-28 |
| 10 | 特開2022-070657 | 樹脂組成物 | 2024-06-24 |
| 11 | 特表2023-507275 | ビス（２－ヒドロキシエチル）テレフタレートの精製方法の製造方法 | 2024-06-18 |
| 12 | 特開2022-154012 | ポリエステル樹脂ペレットの製造方法 | 2024-06-11 |
| 13 | 特表2024-502878 | リサイクルが容易な毛材物品 | 2024-06-04 |
| 14 | 再公表2020/138050 | 熱可塑性樹脂組成物及びそれを用いた光学部材 | 2024-05-22 |
| 15 | 特表2022-534575 | 皮脂耐性が改善されたブロック共重合体 | 2024-05-17 |
| 16 | 特開2023-160865 | ビスフェノール組成物及びその製造方法、並びにポリカーボネート樹脂及びその製造方法 | 2024-05-15 |
| 17 | 特許7512194 | ポリカーボネートジオール | 2024-05-08 |
| 18 | 特許7548015 | 熱可塑性樹脂及びその製造方法並びに該熱可塑性樹脂を含む光学レンズ | 2024-05-07 |
| 19 | 特開2020-056016 | ディスプレイ用フィルム、フォルダブルディスプレイ | 2024-04-25 |
| 20 | 特表2023-531515 | リサイクル単量体を含むポリエステル共重合体 | 2024-04-25 |
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), 225 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6360897 "ポリカーボネートジオール" (9 times) , and the next most inspection patent is 特開2018-076525 "ポリエステル樹脂組成物" (8 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6360897 | ポリカーボネートジオール | 9 times |
| 2 | 特開2018-076525 | ポリエステル樹脂組成物 | 8 times |
| 3 | 特許7512194 | ポリカーボネートジオール | 8 times |
| 4 | 特許6900632 | ポリテトラメチレングリコール共重合ポリブチレンテレフタレート | 8 times |
| 5 | 特許6504119 | ポリカーボネート樹脂組成物及び成形品 | 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), 916 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 3.0. The most cited patent is 特許7295636 "ポリエステル樹脂組成物及びその製造方法" (42 times) , and the next most cited patent is 特許6854124 "熱可塑性液晶ポリマーフィルムおよびそれを用いた回路基板" (34 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許7295636 | ポリエステル樹脂組成物及びその製造方法 | 42 times |
| 2 | 特許6854124 | 熱可塑性液晶ポリマーフィルムおよびそれを用いた回路基板 | 34 times |
| 3 | 特許6831650 | 高屈折率ポリカーボネート系樹脂及び成形体 | 31 times |
| 4 | 特許6576754 | 液晶ポリマー組成物 | 28 times |
| 5 | 特許6576808 | 液晶ポリマー | 25 times |
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