複合繊維技術 (JP Patent Analysis Report)
The Theme Code "複合繊維技術" had 16 patent application filings in the most recent period (2023-01-01 to 2023-04-30). This is a significantly decreased of -16 filings (-50.0%) over 32 they had in the same period of the previous year (2022-01-01 to 2022-04-30).
The highest number of filings in 2018 with 143 cases, and their lowest number in 2023 with 21 cases.
The mean of the number of filings over the last 5 years (2019 to 2024, 451 cases in total) is 75.2, and the median is 91.0. 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.
| Index | Value |
|---|---|
| Average | 75.2 patents |
| Std Dev | 45.9 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 21 cases | -74.4 % |
| 2022 year | 82 cases | -18.00 % |
| 2021 year | 100 cases | -13.79 % |
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 複合繊維技術[4L041] for the period of the last 10 years (2015-01-01 to 2024-12-31). 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 複合繊維技術, 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 複合繊維技術
- 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.
複合繊維技術, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of 複合繊維技術 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 複合繊維技術 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 複合繊維技術 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 946 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.
複合繊維技術[4L041]
Same industry / competition company information (JP)
The patent information of the higher applicant in the technical theme 複合繊維技術 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 (2023 to 2025).
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 (2023 to 2025) with 11 cases, followed by ユニチカ株式会社 with 3 cases.
| Name | Cases |
|---|---|
| 東レ株式会社 | 11 cases |
| ユニチカ株式会社 | 3 cases |
| 日本エステル株式会社 | 1 cases |
| 三菱ケミカル株式会社 | 1 cases |
Trends in filing of joint patent applications for the target period (2015 to 2025).
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 (2015 to 2025) with 245 cases, followed by ユニチカ株式会社 with 85 cases.
| Name | Cases |
|---|---|
| 東レ株式会社 | 245 cases |
| ユニチカ株式会社 | 85 cases |
| 日本エステル株式会社 | 39 cases |
| 株式会社クラレ | 24 cases |
| ダイワボウホールディングス株式会社 | 16 cases |
| 三菱ケミカル株式会社 | 13 cases |
| 東洋紡株式会社 | 7 cases |
| 帝人株式会社 | 6 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 複合繊維技術 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 (2023 to 2025).
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 (2023 to 2025) with 11 cases, followed by ユニチカ株式会社 with 3 cases.
| Name | Cases |
|---|---|
| 東レ株式会社 | 11 cases |
| ユニチカ株式会社 | 3 cases |
| 日本エステル株式会社 | 1 cases |
| 三菱ケミカル株式会社 | 1 cases |
Trends in filing of joint patent applications for the target period (2015 to 2025).
among the top coapplicants, 東レ株式会社 has the highest number of joint applications in the last for the target period (2015 to 2025) with 245 cases, followed by ユニチカ株式会社 with 85 cases.
| Name | Cases |
|---|---|
| 東レ株式会社 | 245 cases |
| ユニチカ株式会社 | 85 cases |
| 日本エステル株式会社 | 39 cases |
| 株式会社クラレ | 24 cases |
| 三菱ケミカル株式会社 | 13 cases |
| 帝人株式会社 | 6 cases |
Top company, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by 複合繊維技術’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 複合繊維技術’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
複合繊維技術 filed 245 joint applications with 東レ株式会社 for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 118 cases in total) is 19.7, and the median is 20.0. 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 decreasing for the last 3 years (2021 to 2024). The highest number of filings in 2016 with 42 cases, and their lowest number in 2023 with 7 cases.
| Index | Value |
|---|---|
| Average | 19.7 patents |
| Std Dev | 11.5 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 7 cases | -65.0 % |
| 2022 year | 20 cases | 0 |
| 2021 year | 20 cases | -39.4 % |
Trends in filing of joint patent applications with 株式会社クラレ
複合繊維技術 filed 24 joint applications with 株式会社クラレ for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 7 cases in total) is 1.2, and the median is 0.5. The coefficient of variation (standard deviation/mean) is 1.3, and there have been very big fluctuations in the number of filings from year to year.
The highest number of filings in 2015 with 7 cases, and their lowest number in 2023 with 0 cases.
| Index | Value |
|---|---|
| Average | 1.2 patents |
| Std Dev | 1.5 |
| COV | 1.3 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 1 cases | - |
| 2021 year | 0 cases | -100 % |
| 2020 year | 2 cases | -50.0 % |
Trends in filing of joint patent applications with ユニチカ株式会社
複合繊維技術 filed 85 joint applications with ユニチカ株式会社 for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 51 cases in total) is 8.5, and the median is 9.0. 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 highest number of filings in 2021 with 16 cases, and their lowest number in 2015 with 2 cases.
| Index | Value |
|---|---|
| Average | 8.5 patents |
| Std Dev | 5.6 |
| COV | 0.7 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 3 cases | -66.7 % |
| 2022 year | 9 cases | -43.8 % |
| 2021 year | 16 cases | +14.29 % |
Trends in filing of joint patent applications with 帝人株式会社
複合繊維技術 filed 6 joint applications with 帝人株式会社 for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 2 cases in total) is 0.3, and the median is 0. The coefficient of variation (standard deviation/mean) is 2.2, and there have been very big fluctuations in the number of filings from year to year.
The highest number of filings in 2017 with 2 cases, and their lowest number in 2023 with 0 cases.
| Index | Value |
|---|---|
| Average | 0.3 patents |
| Std Dev | 0.7 |
| COV | 2.2 |
| Year | Cases | YOY |
|---|---|---|
| 2020 year | 2 cases | - |
| 2019 year | 0 cases | -100 % |
| 2018 year | 1 cases | -50.0 % |
Trends in filing of joint patent applications with 日本エステル株式会社
複合繊維技術 filed 39 joint applications with 日本エステル株式会社 for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 20 cases in total) is 3.3, and the median is 3.0. 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 highest number of filings in 2017 with 7 cases, and their lowest number in 2023 with 1 cases.
| Index | Value |
|---|---|
| Average | 3.3 patents |
| Std Dev | 2.5 |
| COV | 0.7 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 1 cases | -66.7 % |
| 2022 year | 3 cases | -57.1 % |
| 2021 year | 7 cases | +16.67 % |
Information on important patents (JP)
The following shows JP patents held by 複合繊維技術 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and 複合繊維技術’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 複合繊維技術 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 (2022-01-01 ~ 2024-12-31), there were 5 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7432994 "延伸複合繊維、不織布及び延伸複合繊維の製造方法" (Opposition day 2024-08-19) , 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7432994 | 延伸複合繊維、不織布及び延伸複合繊維の製造方法 | 2024-08-19 |
| 2 | 特許7357464 | 通気性を有するＵＶ－Ａ遮蔽性編物 | 2024-04-05 |
| 3 | 特許7325088 | 分割型複合繊維 | 2024-02-13 |
| 4 | 特許7275557 | 複合繊維およびそれよりなる繊維構造体 | 2023-11-16 |
| 5 | 特許7180357 | 捲縮糸 | 2023-05-25 |
Protested cases
List of latest Protested patents
In the last 3 years (2022-01-01 ~ 2024-12-31), there were 21 patents Protest from third parties. The average number of Protest is 1.6 times. The most recently Protest patent is 特開2024-050627 "撥水性布帛および繊維製品" (Protest day 2024-12-13) , next is 特開2024-063103 "複合繊維、その製造方法、熱接着不織布、吸収性物品用表面シート、および吸収性物品" (Protest day 2024-12-10) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特開2024-050627 | 撥水性布帛および繊維製品 | 2024-12-13 |
| 2 | 特開2024-063103 | 複合繊維、その製造方法、熱接着不織布、吸収性物品用表面シート、および吸収性物品 | 2024-12-10 |
| 3 | 特開2023-002088 | 経編地および衣料 | 2024-11-11 |
| 4 | 特開2022-109419 | 織物 | 2024-10-02 |
| 5 | 特許7527997 | ラン防止シングル編地 | 2024-06-26 |
| 6 | 特開2023-042301 | 防風用丸編地 | 2024-06-19 |
| 7 | 特開2021-195681 | 布帛および繊維製品 | 2024-04-03 |
| 8 | 特開2023-126282 | 不織布積層体、並びに、伸縮性不織布積層体、繊維製品、吸収性物品及び衛生マスク | 2024-03-08 |
| 9 | 特許7578433 | 布帛およびその製造方法および繊維製品 | 2023-12-12 |
| 10 | 特許7432994 | 延伸複合繊維、不織布及び延伸複合繊維の製造方法 | 2023-11-21 |
| 11 | 特開2021-155901 | ポリエステル複合繊維及びポリエステル複合繊維を含有する織編物 | 2023-11-16 |
| 12 | 特許7406697 | 芯鞘型ポリマーアロイ繊維、それを含む繊維集合物、及びその製造方法 | 2023-10-06 |
| 13 | 特許7535284 | 導電性複合繊維、およびその製造方法 | 2023-08-21 |
| 14 | 特許7391524 | 海島型複合繊維束及びそれからなる表面凹凸繊維束 | 2023-06-02 |
| 15 | 特開2022-111093 | 冷感カットソー生地およびその製造方法 | 2023-05-17 |
| 16 | 特許7516032 | ポリエステル複合仮撚糸、ストレッチ性織編物、およびこれらの製造方法 | 2023-05-12 |
| 17 | 特開2022-045950 | 異収縮混繊糸及びこれを用いてなる布帛 | 2023-05-12 |
| 18 | 特許7317334 | 潜在捲縮濃染性ポリエステル繊維、捲縮濃染性ポリエステル繊維、織編物、潜在捲縮濃染性ポリエステル繊維の製造方法、および捲縮濃染性ポリエステル繊維の製造方法 | 2023-02-15 |
| 19 | 特許7357464 | 通気性を有するＵＶ－Ａ遮蔽性編物 | 2022-12-12 |
| 20 | 特許7221987 | 捲縮型複合纎維の不織布及びその積層体、並びにその物品 | 2022-11-10 |
Top Patents/Patent Applications with the Highest Number of Protested
Of the patent applications filed in the last 10 years (2015-01-01 to 2024-12-31), 53 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 特開2021-195681 "布帛および繊維製品" (4 times) , and the next most protest patent is 特許7432994 "延伸複合繊維、不織布及び延伸複合繊維の製造方法" (3 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特開2021-195681 | 布帛および繊維製品 | 4 times |
| 2 | 特許7432994 | 延伸複合繊維、不織布及び延伸複合繊維の製造方法 | 3 times |
| 3 | 特許7221987 | 捲縮型複合纎維の不織布及びその積層体、並びにその物品 | 3 times |
| 4 | 特許6735371 | 積層体の製造方法および積層体 | 3 times |
| 5 | 特表2017-526834 | 不織布バインダー用熱接着型複合繊維 | 3 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2022-01-01 ~ 2024-12-31), there were 21 patents Inspection from third parties. The average number of Inspection is 2.0 times. The most recently Inspection patent is 特開2024-050627 "撥水性布帛および繊維製品" (Inspection day 2024-12-17) , next is 特開2024-063103 "複合繊維、その製造方法、熱接着不織布、吸収性物品用表面シート、および吸収性物品" (Inspection day 2024-12-13) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特開2024-050627 | 撥水性布帛および繊維製品 | 2024-12-17 |
| 2 | 特開2024-063103 | 複合繊維、その製造方法、熱接着不織布、吸収性物品用表面シート、および吸収性物品 | 2024-12-13 |
| 3 | 特開2023-002088 | 経編地および衣料 | 2024-11-19 |
| 4 | 特許7535284 | 導電性複合繊維、およびその製造方法 | 2024-10-25 |
| 5 | 特開2022-109419 | 織物 | 2024-10-08 |
| 6 | 特許7432994 | 延伸複合繊維、不織布及び延伸複合繊維の製造方法 | 2024-09-03 |
| 7 | 特許7527997 | ラン防止シングル編地 | 2024-06-28 |
| 8 | 特開2023-042301 | 防風用丸編地 | 2024-06-25 |
| 9 | 特表2022-507684 | カール状繊維の製造方法 | 2024-06-24 |
| 10 | 特許7563501 | 複合加工糸および織編物 | 2024-06-18 |
| 11 | 特開2023-126282 | 不織布積層体、並びに、伸縮性不織布積層体、繊維製品、吸収性物品及び衛生マスク | 2024-04-10 |
| 12 | 特開2021-195681 | 布帛および繊維製品 | 2024-04-09 |
| 13 | 特許7516032 | ポリエステル複合仮撚糸、ストレッチ性織編物、およびこれらの製造方法 | 2024-02-27 |
| 14 | 特許7578433 | 布帛およびその製造方法および繊維製品 | 2023-12-19 |
| 15 | 特許7406697 | 芯鞘型ポリマーアロイ繊維、それを含む繊維集合物、及びその製造方法 | 2023-10-30 |
| 16 | 特許7391524 | 海島型複合繊維束及びそれからなる表面凹凸繊維束 | 2023-09-05 |
| 17 | 特許6222997 | 柔軟性に優れた熱接着性複合繊維とこれを用いた不織布 | 2023-06-16 |
| 18 | 特開2022-045950 | 異収縮混繊糸及びこれを用いてなる布帛 | 2023-05-18 |
| 19 | 特許7317334 | 潜在捲縮濃染性ポリエステル繊維、捲縮濃染性ポリエステル繊維、織編物、潜在捲縮濃染性ポリエステル繊維の製造方法、および捲縮濃染性ポリエステル繊維の製造方法 | 2023-03-16 |
| 20 | 特許7221987 | 捲縮型複合纎維の不織布及びその積層体、並びにその物品 | 2022-12-08 |
Top Patents/Patent Applications with the Highest Number of Inspectioned
Of the patent applications filed in the last 10 years (2015-01-01 to 2024-12-31), 53 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 特開2021-195681 "布帛および繊維製品" (5 times) , and the next most inspection patent is 再公表2017/164364 "伸縮性構造体、多層伸縮シート、紡績糸および繊維構造体" (4 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特開2021-195681 | 布帛および繊維製品 | 5 times |
| 2 | 再公表2017/164364 | 伸縮性構造体、多層伸縮シート、紡績糸および繊維構造体 | 4 times |
| 3 | 特許7432994 | 延伸複合繊維、不織布及び延伸複合繊維の製造方法 | 4 times |
| 4 | 特許7221987 | 捲縮型複合纎維の不織布及びその積層体、並びにその物品 | 3 times |
| 5 | 特許6735371 | 積層体の製造方法および積層体 | 3 times |
Cited cases
Top Patents/Patent Applications with the Highest Number of Cited
Of the patent applications filed in the last 10 years (2015-01-01 to 2024-12-31), 204 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 2.0. The most cited patent is 特許6552959 "嗜好性飲料抽出フィルター用織物" (11 times) , and the next most cited patent is 特許7135469 "偏心芯鞘複合繊維を用いた織編物" (9 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6552959 | 嗜好性飲料抽出フィルター用織物 | 11 times |
| 2 | 特許7135469 | 偏心芯鞘複合繊維を用いた織編物 | 9 times |
| 3 | 特開2016-141929 | 積層体の製造方法および積層体 | 8 times |
| 4 | 特許6365733 | 不織布および吸収性物品 | 8 times |
| 5 | 特許6364091 | 改善された分散性を備えたポリマー繊維 | 7 times |
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