ポリスチレン (JP Patent Analysis Report)
The Technical Field "ポリスチレン" had 61 patent application filings in the most recent period (2023-01-01 to 2023-02-28). This is a significantly decreased of -28 filings (-31.5%) over 89 they had in the same period of the previous year (2022-01-01 to 2022-02-28). This report also includes technical terms related to " スチレンポリマ ", " スチレンポリマー ", " スチレン樹脂 ", " スチレン重合体 ", " スチロール樹脂 ", " ポリスチレン樹脂 ", " ポリスチロール " in the search set.
The highest number of filings in 2017 with 1,260 cases, and their lowest number in 2022 with 664 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 4,846 cases in total) is 808, and the median is 878. 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 | 808 patents |
| Std Dev | 301 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 664 cases | -17.82 % |
| 2021 year | 808 cases | -14.86 % |
| 2020 year | 949 cases | -7.68 % |
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 ポリスチレン for the period of the last 10 years (2014-01-01 to 2024-10-31). You can compare the information in this report with the trends in your competitors’ patent filings and technologies, and use it to search for important patents.
This service provides, free of charge, a patent analysis report based on the latest patent data (Japanese, U.S., European, and PCT application publications) for use in patent searches, patent analysis, and IP landscaping. The service is offered by "Patent Integration" a firm specializing in patent search/patent analysis.
This report includes basic information to help you understand the IP strategy and management of ポリスチレン, 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 ポリスチレン
- 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.
ポリスチレン, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of ポリスチレン over the last 20 years (JP) are shown below.
The change in the number of patents/patent applications is the most basic index in patent analysis. By examining the change in the number of patents/patent applications, you can see the status of technological development and R&D focus for each company or technology. It should be noted that since there is a one and a half year lag between the filing and the laying open of patent applications, it is not possible to analyze the situation more recently than one and half years prior to the present.
In this report, you can only see the change in the number of patents/patent applications by company or technology, whereas Patent Integration allows you to quickly compare the number of patent applications with your competitors in each technical field by cross-referencing with other keywords and patent classifications.
Search Set (Analysis Patents)
This patent analysis report was created for a patent search set of 9,875 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.
ポリスチレン
Same industry / competition company information (JP)
The number of patents and changes in the number of patents of other companies (competitors) in the same industry as ポリスチレン are shown below.
Comparison of changes in the number of patents with peers and competitors is an important analytical index for understanding the intellectual property strategies of each company. By checking the transition of the number of patents for each company / competitor, you can check the status of focus on technology development and R&D for each company / technology.
It should be noted that patents have a time lag of one and a half years from filing to publication, so it is not possible to analyze the situation more recent than one and a half years.
If you want to find out more information, " Patent Integration , You can compare the number of patent applications with competitors in each technical field in a short time by multiplying with other keywords and patent classifications.Please use it for more detailed patent information analysis such as selection of M&A candidate destinations and alliance destinations.
Trends in filing of joint patent applications in the last 3 years (2022 to 2024).
Comparing the number of applications of each company, 株式会社カネカ has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 22 cases, followed by 三井化学株式会社 with 19 cases.
| Name | Cases |
|---|---|
| 株式会社カネカ | 22 cases |
| 三井化学株式会社 | 19 cases |
| 東レ株式会社 | 14 cases |
| 住友ベークライト株式会社 | 14 cases |
| 旭化成株式会社 | 13 cases |
| キヤノン株式会社 | 13 cases |
| 積水化成品工業株式会社 | 10 cases |
| 大日本印刷株式会社 | 8 cases |
| 住友化学株式会社 | 7 cases |
| 株式会社ブリヂストン | 6 cases |
| JSR株式会社 | 2 cases |
Trends in filing of joint patent applications for the target period (2014 to 2024).
Comparing the number of applications of each company, 旭化成株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 138 cases, followed by 三井化学株式会社 with 126 cases.
| Name | Cases |
|---|---|
| 旭化成株式会社 | 138 cases |
| 三井化学株式会社 | 126 cases |
| 住友ベークライト株式会社 | 126 cases |
| 積水化成品工業株式会社 | 118 cases |
| 株式会社カネカ | 118 cases |
| 大日本印刷株式会社 | 101 cases |
| 東レ株式会社 | 98 cases |
| 住友化学株式会社 | 82 cases |
| 株式会社ブリヂストン | 82 cases |
| キヤノン株式会社 | 69 cases |
| JSR株式会社 | 46 cases |
Same industry / competition company, Change in the Number of JP Patents
Below is a patent map showing changes in the number of applications for JP patents of 11 companies in the same industry over the past 20 years.
Top company information (JP)
The number of patents and changes in the number of patents of other companies (competitors) in the same industry as ポリスチレン are shown below.
Comparison of changes in the number of patents with peers and competitors is an important analytical index for understanding the intellectual property strategies of each company. By checking the transition of the number of patents for each company / competitor, you can check the status of focus on technology development and R&D for each company / technology.
It should be noted that patents have a time lag of one and a half years from filing to publication, so it is not possible to analyze the situation more recent than one and a half years.
If you want to find out more information, " Patent Integration , You can compare the number of patent applications with competitors in each technical field in a short time by multiplying with other keywords and patent classifications.Please use it for more detailed patent information analysis such as selection of M&A candidate destinations and alliance destinations.
Trends in filing of joint patent applications in the last 3 years (2022 to 2024).
Among the top coapplicants, 株式会社カネカ has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 22 cases, followed by 東レ株式会社 with 14 cases.
| Name | Cases |
|---|---|
| 株式会社カネカ | 22 cases |
| 東レ株式会社 | 14 cases |
| 旭化成株式会社 | 13 cases |
| 積水化成品工業株式会社 | 10 cases |
| 住友化学株式会社 | 7 cases |
| 株式会社ブリヂストン | 6 cases |
| JSR株式会社 | 2 cases |
Trends in filing of joint patent applications for the target period (2014 to 2024).
Among the top coapplicants, 旭化成株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 138 cases, followed by 積水化成品工業株式会社 with 118 cases.
| Name | Cases |
|---|---|
| 旭化成株式会社 | 138 cases |
| 積水化成品工業株式会社 | 118 cases |
| 株式会社カネカ | 118 cases |
| 東レ株式会社 | 98 cases |
| 住友化学株式会社 | 82 cases |
| 株式会社ブリヂストン | 82 cases |
| JSR株式会社 | 46 cases |
Top company, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by ポリスチレン’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 ポリスチレン’s top 7 coapplicants over the last 20 years.
Top company Details (JP)
Trends in filing of joint patent applications with 積水化成品工業株式会社
ポリスチレン filed 118 joint applications with 積水化成品工業株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 46 cases in total) is 7.7, and the median is 6.0. 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 number of filings has been decreasing for the last 3 years (2020 to 2023). The highest number of filings in 2014 with 34 cases, and their lowest number in 2022 with 4 cases.
| Index | Value |
|---|---|
| Average | 7.7 patents |
| Std Dev | 3.5 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 4 cases | -42.9 % |
| 2021 year | 7 cases | -46.2 % |
| 2020 year | 13 cases | +8.33 % |
Trends in filing of joint patent applications with 株式会社カネカ
ポリスチレン filed 118 joint applications with 株式会社カネカ for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 58 cases in total) is 9.7, and the median is 10.0. The coefficient of variation (standard deviation/mean) is 0.28, and there have been small 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 19 cases, and their lowest number in 2019 with 6 cases.
| Index | Value |
|---|---|
| Average | 9.7 patents |
| Std Dev | 2.7 |
| COV | 0.28 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 8 cases | +14.29 % |
| 2021 year | 7 cases | -41.7 % |
| 2020 year | 12 cases | +100 % |
Trends in filing of joint patent applications with 住友化学株式会社
ポリスチレン filed 82 joint applications with 住友化学株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 49 cases in total) is 8.2, and the median is 8.5. 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 2019 with 15 cases, and their lowest number in 2016 with 4 cases.
| Index | Value |
|---|---|
| Average | 8.2 patents |
| Std Dev | 4.2 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 6 cases | -40.0 % |
| 2021 year | 10 cases | +25.00 % |
| 2020 year | 8 cases | -46.7 % |
Trends in filing of joint patent applications with JSR株式会社
ポリスチレン filed 46 joint applications with JSR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, 13 cases in total) is 2.2, and the median is 1.0. The coefficient of variation (standard deviation/mean) is 0.9, and there have been relatively large fluctuations in the number of filings from year to year.
The highest number of filings in 2017 with 12 cases, and their lowest number in 2020 with 0 cases.
| Index | Value |
|---|---|
| Average | 2.2 patents |
| Std Dev | 2.0 |
| COV | 0.9 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 1 cases | 0 |
| 2021 year | 1 cases | - |
| 2020 year | 0 cases | -100 % |
Trends in filing of joint patent applications with 東レ株式会社
ポリスチレン filed 98 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, 55 cases in total) is 9.2, and the median is 9.0. 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 2017 with 16 cases, and their lowest number in 2015 with 5 cases.
| Index | Value |
|---|---|
| Average | 9.2 patents |
| Std Dev | 2.9 |
| COV | 0.3 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 9 cases | 0 |
| 2021 year | 9 cases | -35.7 % |
| 2020 year | 14 cases | +100 % |
Information on important patents (JP)
The following shows JP patents held by ポリスチレン that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and ポリスチレン’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 ポリスチレン 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 (2021-11-01 ~ 2024-10-31), 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6908969 "包装用容器" (Invalidation Trial day 2022-04-08) .
| - | No. | Title | Invalidation Trial days |
|---|---|---|---|
| 1 | 特許6908969 | 包装用容器 | 2022-04-08 |
Top Patents/Patent Applications with the Highest Number of Invalidationed Trial
Of the patent applications filed in the last 10 years (2014-11-01 to 2024-10-31), 3 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6245215 "ビーズ法発泡合成樹脂成形用金型、及びビーズ法発泡合成樹脂成形品の製造方法" (1 times) , and the next most invalidation trial patent is 特許6743078 "保護性通気性材料および保護性通気性材料を製造するための方法" (1 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6245215 | ビーズ法発泡合成樹脂成形用金型、及びビーズ法発泡合成樹脂成形品の製造方法 | 1 times |
| 2 | 特許6743078 | 保護性通気性材料および保護性通気性材料を製造するための方法 | 1 times |
| 3 | 特許6908969 | 包装用容器 | 1 times |
Oppositioned cases
List of latest Oppositioned patents
In the last 3 years (2021-11-01 ~ 2024-10-31), there were 36 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7424174 "ミリ波レーダー部材用熱可塑性樹脂組成物及び成形体" (Opposition day 2024-07-17) , next is 特許7405110 "活性エネルギー線硬化型粘着剤組成物、粘着剤層、積層体" (Opposition day 2024-06-26) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7424174 | ミリ波レーダー部材用熱可塑性樹脂組成物及び成形体 | 2024-07-17 |
| 2 | 特許7405110 | 活性エネルギー線硬化型粘着剤組成物、粘着剤層、積層体 | 2024-06-26 |
| 3 | 特許7402871 | 非対称細孔構造を有する多孔質ポリエチレンフィルター膜ならびに関連するフィルターおよび方法 | 2024-06-20 |
| 4 | 特許7387950 | 熱可塑性樹脂粉体造粒物 | 2024-05-27 |
| 5 | 特許7389004 | 可撓性積層体、その製造方法、およびそれを用いた防水性製品 | 2024-05-22 |
| 6 | 特許7383477 | ポリエステルフィルム用の表面処理されたフィラー | 2024-05-20 |
| 7 | 特許7282478 | 保護層転写シート | 2023-11-24 |
| 8 | 特許7271089 | 粘着テープ | 2023-10-27 |
| 9 | 特許7242807 | エアフィルター濾材及びエアフィルター | 2023-09-14 |
| 10 | 特許7233378 | ポリ（エーテルエーテルケトン）ポリマー成分を用いた３次元物体の製造方法 | 2023-09-06 |
Protested cases
List of latest Protested patents
In the last 3 years (2021-11-01 ~ 2024-10-31), there were 117 patents Protest from third parties. The average number of Protest is 1.5 times. The most recently Protest patent is 特開2024-110953 "金属酸化合物含有液" (Protest day 2024-09-19) , next is 特開2024-073809 "包装体" (Protest day 2024-09-12) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特開2024-110953 | 金属酸化合物含有液 | 2024-09-19 |
| 2 | 特開2024-073809 | 包装体 | 2024-09-12 |
| 3 | 特開2024-073812 | 鮮度保持袋、包装体および鮮度保持方法 | 2024-09-12 |
| 4 | 特開2024-071176 | 青果物入り包装体、青果物入り包装体の製造方法および青果物の鮮度保持方法 | 2024-09-12 |
| 5 | 特開2024-073811 | 鮮度保持袋、包装体および鮮度保持方法 | 2024-09-12 |
| 6 | 特開2021-152148 | 発泡性ポリスチレン系樹脂粒子、その予備発泡粒子および発泡成形体 | 2024-09-06 |
| 7 | 特表2023-538399 | 複合電解質膜 | 2024-08-28 |
| 8 | 特開2021-118847 | 消火シート | 2024-08-26 |
| 9 | 特開2023-160911 | 毛髪洗浄組成物 | 2024-08-23 |
| 10 | 特開2023-087645 | ナノファイバー積層シート | 2024-08-19 |
| 11 | 特開2022-076298 | スチレン系樹脂組成物 | 2024-08-07 |
| 12 | 特表2023-549235 | ナトリウム金属電池及び電気化学装置 | 2024-08-05 |
| 13 | 特開2022-008176 | 樹脂組成物、および電磁波吸収体 | 2024-07-09 |
| 14 | 特許7573515 | メルトブローン不織布の製造方法、及びメルトブローン不織布 | 2024-06-28 |
| 15 | 特開2023-175715 | 連続アイオノマー相を有する一体型複合膜 | 2024-06-28 |
| 16 | 特開2021-127454 | 樹脂組成物及びその製造方法、並びに可塑化澱粉及びその製造方法 | 2024-06-12 |
| 17 | 特許7566813 | 高選択性及び高強度のための高度に強化されたイオノマー膜 | 2024-06-03 |
| 18 | 特許7517833 | ポリスチレン系樹脂成形品及びその製造方法 | 2024-05-27 |
| 19 | 特開2023-026519 | 歯ブラシ | 2024-05-13 |
| 20 | 特開2023-026520 | 歯ブラシ | 2024-05-13 |
Top Patents/Patent Applications with the Highest Number of Protested
Of the patent applications filed in the last 10 years (2014-11-01 to 2024-10-31), 255 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7461281 "プロセス用離型フィルム、その用途、及びそれを用いた樹脂封止半導体の製造方法" (7 times) , and the next most protest patent is 特許7221520 "生分解性ポリマーの水性の加水分解安定性分散液" (5 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許7461281 | プロセス用離型フィルム、その用途、及びそれを用いた樹脂封止半導体の製造方法 | 7 times |
| 2 | 特許7221520 | 生分解性ポリマーの水性の加水分解安定性分散液 | 5 times |
| 3 | 特許6953114 | シリカ系中空粒子、コアシェル粒子及びポリスチレン粒子、並びに、それらの製造方法 | 5 times |
| 4 | 特許6824920 | 吸音テキスタイル複合材 | 5 times |
| 5 | 特開2019-123714 | 点眼剤 | 4 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2021-11-01 ~ 2024-10-31), there were 151 patents Inspection from third parties. The average number of Inspection is 1.5 times. The most recently Inspection patent is 特開2024-073812 "鮮度保持袋、包装体および鮮度保持方法" (Inspection day 2024-09-24) , next is 特開2024-110953 "金属酸化合物含有液" (Inspection day 2024-09-24) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特開2024-073812 | 鮮度保持袋、包装体および鮮度保持方法 | 2024-09-24 |
| 2 | 特開2024-110953 | 金属酸化合物含有液 | 2024-09-24 |
| 3 | 特開2024-073809 | 包装体 | 2024-09-18 |
| 4 | 特開2021-118847 | 消火シート | 2024-09-18 |
| 5 | 特開2024-071176 | 青果物入り包装体、青果物入り包装体の製造方法および青果物の鮮度保持方法 | 2024-09-18 |
| 6 | 特開2024-073811 | 鮮度保持袋、包装体および鮮度保持方法 | 2024-09-18 |
| 7 | 特表2023-538399 | 複合電解質膜 | 2024-09-04 |
| 8 | 特開2022-008176 | 樹脂組成物、および電磁波吸収体 | 2024-09-03 |
| 9 | 特開2022-129847 | 樹脂組成物、成形体、電磁波吸収体、および、樹脂組成物の製造方法 | 2024-09-03 |
| 10 | 特開2023-160911 | 毛髪洗浄組成物 | 2024-09-02 |
| 11 | 特許7517833 | ポリスチレン系樹脂成形品及びその製造方法 | 2024-08-29 |
| 12 | 特開2023-087645 | ナノファイバー積層シート | 2024-08-20 |
| 13 | 特許7454108 | 粒子、及びその用途 | 2024-08-19 |
| 14 | 特開2022-076298 | スチレン系樹脂組成物 | 2024-08-13 |
| 15 | 特開2021-161410 | ハイブリッド光硬化組成物 | 2024-08-07 |
| 16 | 特開2023-026519 | 歯ブラシ | 2024-08-06 |
| 17 | 特開2023-026520 | 歯ブラシ | 2024-08-06 |
| 18 | 特開2023-026521 | 歯ブラシ | 2024-08-06 |
| 19 | 特開2023-026518 | 歯ブラシ | 2024-08-06 |
| 20 | 特許7573515 | メルトブローン不織布の製造方法、及びメルトブローン不織布 | 2024-08-05 |
Top Patents/Patent Applications with the Highest Number of Inspectioned
Of the patent applications filed in the last 10 years (2014-11-01 to 2024-10-31), 332 patents/patent applications were inspection more than once in the examination process of other patent applications. The mean of the number of inspection is 1.5. The most inspection patent is 特開2019-123714 "点眼剤" (10 times) , and the next most inspection patent is 特許7517833 "ポリスチレン系樹脂成形品及びその製造方法" (10 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特開2019-123714 | 点眼剤 | 10 times |
| 2 | 特許7517833 | ポリスチレン系樹脂成形品及びその製造方法 | 10 times |
| 3 | 特許6953114 | シリカ系中空粒子、コアシェル粒子及びポリスチレン粒子、並びに、それらの製造方法 | 8 times |
| 4 | 特許6824920 | 吸音テキスタイル複合材 | 8 times |
| 5 | 特許6898059 | 加飾シート、加飾シートを含む構造体及びその製造方法 | 7 times |
Cited cases
Top Patents/Patent Applications with the Highest Number of Cited
Of the patent applications filed in the last 10 years (2014-11-01 to 2024-10-31), 2,132 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 2.6. The most cited patent is 特許6833155 "喫煙材を加熱するための装置" (46 times) , and the next most cited patent is 特許6714493 "有機膜形成用化合物、有機膜形成用組成物、有機膜形成方法、及びパターン形成方法" (27 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6833155 | 喫煙材を加熱するための装置 | 46 times |
| 2 | 特許6714493 | 有機膜形成用化合物、有機膜形成用組成物、有機膜形成方法、及びパターン形成方法 | 27 times |
| 3 | 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 |
| 4 | 特許5974067 | プラスチック成形材料及びその使用 | 23 times |
| 5 | 特許6504386 | ポリフェニレンエーテル樹脂組成物、プリプレグ、金属張積層板及びプリント配線板 | 21 times |
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