合成繊維技術 (JP Patent Analysis Report)
The Theme Code "合成繊維技術" had 54 patent application filings in the most recent period (2023-01-01 to 2023-03-31). This is a significantly decreased of -14 filings (-20.6%) over 68 they had in the same period of the previous year (2022-01-01 to 2022-03-31).
The highest number of filings in 2018 with 416 cases, and their lowest number in 2022 with 226 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 1,677 cases in total) is 280, and the median is 291. 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 | 280 patents |
| Std Dev | 100 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 226 cases | -22.07 % |
| 2021 year | 290 cases | -0.68 % |
| 2020 year | 292 cases | -17.75 % |
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 合成繊維技術[4L035] 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 合成繊維技術, 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 合成繊維技術
- 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.
合成繊維技術, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of 合成繊維技術 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 合成繊維技術 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 合成繊維技術 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 3,127 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.
合成繊維技術[4L035]
Same industry / competition company information (JP)
The patent information of the higher applicant in the technical theme 合成繊維技術 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 39 cases, followed by 帝人株式会社 with 16 cases.
| Name | Cases |
|---|---|
| 東レ株式会社 | 39 cases |
| 帝人株式会社 | 16 cases |
| 旭化成株式会社 | 15 cases |
| 株式会社カネカ | 11 cases |
| 三菱ケミカル株式会社 | 10 cases |
| ユニチカ株式会社 | 8 cases |
| 日本エステル株式会社 | 7 cases |
| 株式会社クラレ | 3 cases |
| 東洋紡株式会社 | 1 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 359 cases, followed by 帝人株式会社 with 144 cases.
| Name | Cases |
|---|---|
| 東レ株式会社 | 359 cases |
| 帝人株式会社 | 144 cases |
| 三菱ケミカル株式会社 | 114 cases |
| 株式会社クラレ | 90 cases |
| 旭化成株式会社 | 85 cases |
| ユニチカ株式会社 | 69 cases |
| 日本エステル株式会社 | 57 cases |
| 東洋紡株式会社 | 52 cases |
| 株式会社カネカ | 47 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 合成繊維技術 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 39 cases, followed by 帝人株式会社 with 16 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 359 cases, followed by 帝人株式会社 with 144 cases.
Top company, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by 合成繊維技術’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 合成繊維技術’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
合成繊維技術 filed 359 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, 174 cases in total) is 29.0, and the median is 28.0. 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.
The number of filings has been decreasing for the last 3 years (2020 to 2023). The highest number of filings in 2016 with 62 cases, and their lowest number in 2022 with 22 cases.
| Index | Value |
|---|---|
| Average | 29.0 patents |
| Std Dev | 9.5 |
| COV | 0.3 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 22 cases | 0 |
| 2021 year | 22 cases | -35.3 % |
| 2020 year | 34 cases | -17.07 % |
Trends in filing of joint patent applications with 帝人株式会社
合成繊維技術 filed 144 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, 95 cases in total) is 15.8, and the median is 16.0. 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 2018 with 24 cases, and their lowest number in 2017 with 10 cases.
| Index | Value |
|---|---|
| Average | 15.8 patents |
| Std Dev | 7.2 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 14 cases | -6.67 % |
| 2021 year | 15 cases | -11.76 % |
| 2020 year | 17 cases | -26.09 % |
Trends in filing of joint patent applications with 株式会社クラレ
合成繊維技術 filed 90 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, 43 cases in total) is 7.2, and the median is 6.5. The coefficient of variation (standard deviation/mean) is 0.7, 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 2014 with 24 cases, and their lowest number in 2022 with 0 cases.
| Index | Value |
|---|---|
| Average | 7.2 patents |
| Std Dev | 5.1 |
| COV | 0.7 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 0 cases | -100 % |
| 2021 year | 5 cases | -37.5 % |
| 2020 year | 8 cases | -38.5 % |
Trends in filing of joint patent applications with 東洋紡株式会社
合成繊維技術 filed 52 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, 14 cases in total) is 2.3, and the median is 1.5. The coefficient of variation (standard deviation/mean) is 1.0, 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 2014 with 11 cases, and their lowest number in 2022 with 1 cases.
| Index | Value |
|---|---|
| Average | 2.3 patents |
| Std Dev | 2.3 |
| COV | 1.0 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 1 cases | 0 |
| 2021 year | 1 cases | -50.0 % |
| 2020 year | 2 cases | -33.3 % |
Trends in filing of joint patent applications with 旭化成株式会社
合成繊維技術 filed 85 joint applications with 旭化成株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 51 cases in total) is 8.5, and the median is 7.0. 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 2017 with 15 cases, and their lowest number in 2016 with 3 cases.
| Index | Value |
|---|---|
| Average | 8.5 patents |
| Std Dev | 3.0 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 8 cases | -27.27 % |
| 2021 year | 11 cases | +83.3 % |
| 2020 year | 6 cases | 0 |
Information on important patents (JP)
The following shows JP patents held by 合成繊維技術 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and 合成繊維技術’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 合成繊維技術 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 14 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7402648 "ポリフェニレンスルフィドモノフィラメントとその製造方法及びそのパッケージ" (Opposition day 2024-06-12) , next is 特許7357464 "通気性を有するＵＶ－Ａ遮蔽性編物" (Opposition day 2024-04-05) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7402648 | ポリフェニレンスルフィドモノフィラメントとその製造方法及びそのパッケージ | 2024-06-12 |
| 2 | 特許7357464 | 通気性を有するＵＶ－Ａ遮蔽性編物 | 2024-04-05 |
| 3 | 特許7363945 | 不織布製造用ポリアミドイミド樹脂組成物 | 2024-03-29 |
| 4 | 特許7325088 | 分割型複合繊維 | 2024-02-13 |
| 5 | 特許7294803 | ストレッチ布帛およびその繊維製品 | 2023-12-18 |
| 6 | 特許7287621 | 改変フィブロイン繊維及びその製造方法 | 2023-12-05 |
| 7 | 特許7248507 | 原着メタ型全芳香族ポリアミド繊維及びその製造方法 | 2023-09-25 |
| 8 | 特許7214827 | 液晶ポリエステルマルチフィラメント及びその製造方法 | 2023-07-03 |
| 9 | 特許7218499 | 網状構造体の製造方法 | 2023-06-21 |
| 10 | 特許7079110 | シングル丸編地 | 2022-12-01 |
Protested cases
List of latest Protested patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 59 patents Protest from third parties. The average number of Protest is 1.5 times. The most recently Protest patent is 特開2023-034955 "ポリエステル樹脂" (Protest day 2024-11-21) , next is 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" (Protest day 2024-11-06) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特開2023-034955 | ポリエステル樹脂 | 2024-11-21 |
| 2 | 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 |
| 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 | 2024-10-28 |
| 4 | 特開2022-140165 | 抗微生物活性繊維糸、抗微生物活性繊維糸の製造方法、抗微生物活性不織布及び抗微生物活性マスク | 2024-09-25 |
| 5 | 特表2023-534164 | 高多孔性スパイダーシルク繊維 | 2024-09-13 |
| 6 | 特表2024-519161 | パラ系アラミド繊維およびその製造方法 | 2024-08-30 |
| 7 | 特表2024-518808 | パラ系アラミド繊維およびその製造方法 | 2024-08-07 |
| 8 | 特開2022-164368 | 抗菌繊維材料およびその製造方法 | 2024-07-17 |
| 9 | 特表2024-521064 | パラ－アラミドステープル繊維、アラミド紡績糸およびその製造方法 | 2024-07-16 |
| 10 | 特表2023-536106 | ポリアクリロニトリル系耐塩化繊維、炭素繊維及びその製造方法 | 2024-07-03 |
| 11 | 特開2022-096210 | 炭素繊維の製造方法 | 2024-06-21 |
| 12 | 特許7529790 | エアバッグ用基布及びその製造方法 | 2024-06-18 |
| 13 | 特開2023-153171 | タンパク質成形体及びその製造方法、タンパク質溶液、並びにタンパク質成形体用可塑剤 | 2024-05-17 |
| 14 | 特開2021-066780 | 繊維状物質分散液、及び繊維強化樹脂組成物 | 2024-05-13 |
| 15 | 特表2022-513628 | クモ糸タンパク質のアルカリ精製法 | 2024-04-25 |
| 16 | 特表2021-534277 | 成形体用組成物 | 2024-04-25 |
| 17 | 特開2021-181670 | 消臭性繊維構造物及びその製造方法 | 2024-03-28 |
| 18 | 特許7570514 | モノフィラメントの未延伸糸、およびモノフィラメントの製造方法 | 2024-03-26 |
| 19 | 特開2022-154119 | 炭素繊維の製造方法 | 2024-03-22 |
| 20 | 特表2023-519258 | 伸縮性不織布積層体 | 2024-03-22 |
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), 127 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2021-066780 "繊維状物質分散液、及び繊維強化樹脂組成物" (6 times) , and the next most protest patent 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" (5 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 | 6 times |
| 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 | 5 times |
| 3 | 特許7294803 | ストレッチ布帛およびその繊維製品 | 3 times |
| 4 | 特許7380682 | 組成物、および、セルロース繊維の製造方法 | 3 times |
| 5 | 特許7402246 | リサイクルポリウレタン弾性繊維、その製法、該リサイクルポリウレタン弾性繊維を含む繊維構造物、ギャザー部材、及び衛生材料 | 3 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 62 patents Inspection from third parties. The average number of Inspection is 1.9 times. The most recently Inspection patent 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) , next is 特表2023-515878 "抗菌／抗ウイルスプラスチックおよび成形品" (Inspection day 2024-10-29) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 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 |
| 2 | 特表2023-515878 | 抗菌／抗ウイルスプラスチックおよび成形品 | 2024-10-29 |
| 3 | 特許7529790 | エアバッグ用基布及びその製造方法 | 2024-09-17 |
| 4 | 特開2022-164368 | 抗菌繊維材料およびその製造方法 | 2024-07-19 |
| 5 | 特開2022-096210 | 炭素繊維の製造方法 | 2024-06-28 |
| 6 | 特開2023-153171 | タンパク質成形体及びその製造方法、タンパク質溶液、並びにタンパク質成形体用可塑剤 | 2024-06-06 |
| 7 | 特開2021-066780 | 繊維状物質分散液、及び繊維強化樹脂組成物 | 2024-05-29 |
| 8 | 特開2023-078119 | マイクロフルイディック押出 | 2024-05-09 |
| 9 | 特表2022-513628 | クモ糸タンパク質のアルカリ精製法 | 2024-04-30 |
| 10 | 特表2021-534277 | 成形体用組成物 | 2024-04-30 |
| 11 | 特開2022-112128 | 抗菌・抗ウィルス性繊維とその製造方法および繊維製品 | 2024-04-18 |
| 12 | 特開2022-147093 | カットファイバーの梱包体および梱包方法 | 2024-04-18 |
| 13 | 特開2022-058574 | 二酸化チタンを含有するスラリー | 2024-04-16 |
| 14 | 特開2021-181670 | 消臭性繊維構造物及びその製造方法 | 2024-04-12 |
| 15 | 特許7570514 | モノフィラメントの未延伸糸、およびモノフィラメントの製造方法 | 2024-04-03 |
| 16 | 特開2022-154119 | 炭素繊維の製造方法 | 2024-04-02 |
| 17 | 特許7541113 | 中空糸膜モジュール | 2024-03-26 |
| 18 | 特許7556148 | モノフィラメントおよびその製造方法 | 2024-02-14 |
| 19 | 特開2021-181646 | 布帛および繊維製品 | 2024-01-30 |
| 20 | 特許7341648 | 前駆体繊維束の製造方法及び炭素繊維束の製造方法並びに炭素繊維束 | 2023-12-22 |
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), 129 patents/patent applications were inspection more than once in the examination process of other patent applications. The mean of the number of inspection is 1.8. 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7402246 "リサイクルポリウレタン弾性繊維、その製法、該リサイクルポリウレタン弾性繊維を含む繊維構造物、ギャザー部材、及び衛生材料" (6 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7402246 | リサイクルポリウレタン弾性繊維、その製法、該リサイクルポリウレタン弾性繊維を含む繊維構造物、ギャザー部材、及び衛生材料 | 6 times |
| 3 | 特許6855683 | 液晶ポリエステルマルチフィラメント | 6 times |
| 4 | 特許7380682 | 組成物、および、セルロース繊維の製造方法 | 5 times |
| 5 | 特許6608376 | 溶融異方性芳香族ポリエステル繊維およびその製造方法 | 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), 600 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 2.4. The most cited patent is 特許6462051 "化学修飾セルロース繊維およびその製造方法" (22 times) , and the next most cited patent is 特許5830187 "ポリエチレンパウダー、微多孔膜、及び繊維" (14 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6462051 | 化学修飾セルロース繊維およびその製造方法 | 22 times |
| 2 | 特許5830187 | ポリエチレンパウダー、微多孔膜、及び繊維 | 14 times |
| 3 | 特許6337252 | 高収縮人造フィブロイン繊維及びその製造方法、並びに人造フィブロイン繊維の収縮方法 | 13 times |
| 4 | 特許6872396 | セルロースナノファイバーの分散液およびその製造方法 | 12 times |
| 5 | 特許6676404 | セルロースナノファイバーの製造方法、並びにセルロースナノファイバー含有樹脂もしくは樹脂前駆体の製造方法 | 12 times |
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