ケイ酸 (JP Patent Analysis Report)
The Technical Field "ケイ酸" had 62 patent application filings in the most recent period (2023-01-01 to 2023-02-28). This is a significantly decreased of -42 filings (-40.4%) over 104 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 " けい酸 ", " 珪酸 ", " 珪酸体 " in the search set.
The highest number of filings in 2014 with 1,061 cases, and their lowest number in 2022 with 693 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 4,612 cases in total) is 769, and the median is 815. 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 | 769 patents |
| Std Dev | 280 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 693 cases | -5.33 % |
| 2021 year | 732 cases | -18.49 % |
| 2020 year | 898 cases | -13.07 % |
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 ケイ酸 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 ケイ酸, 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.
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.
ケイ酸, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of ケイ酸 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 8,732 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.
ケイ酸
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 ケイ酸 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, 花王株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 26 cases, followed by 太平洋セメント株式会社 with 12 cases.
| Name | Cases |
|---|---|
| 花王株式会社 | 26 cases |
| 太平洋セメント株式会社 | 12 cases |
| ライオン株式会社 | 11 cases |
| 国立研究開発法人産業技術総合研究所 | 11 cases |
| 積水化学工業株式会社 | 10 cases |
| 東レ株式会社 | 4 cases |
| パナソニックホールディングス株式会社 | 3 cases |
| 株式会社カネカ | 3 cases |
| 株式会社東芝 | 1 cases |
| ザプロクターアンドギャンブルカンパニー | 1 cases |
Trends in filing of joint patent applications for the target period (2014 to 2024).
Comparing the number of applications of each company, 太平洋セメント株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 180 cases, followed by 花王株式会社 with 103 cases.
| Name | Cases |
|---|---|
| 太平洋セメント株式会社 | 180 cases |
| 花王株式会社 | 103 cases |
| ザプロクターアンドギャンブルカンパニー | 70 cases |
| 積水化学工業株式会社 | 58 cases |
| ライオン株式会社 | 53 cases |
| 国立研究開発法人産業技術総合研究所 | 47 cases |
| 株式会社東芝 | 40 cases |
| 株式会社カネカ | 34 cases |
| 東レ株式会社 | 27 cases |
| パナソニックホールディングス株式会社 | 6 cases |
| 三菱化学株式会社 | 4 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 ケイ酸 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, 花王株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 26 cases, followed by 太平洋セメント株式会社 with 12 cases.
| Name | Cases |
|---|---|
| 花王株式会社 | 26 cases |
| 太平洋セメント株式会社 | 12 cases |
| ライオン株式会社 | 11 cases |
| 積水化学工業株式会社 | 10 cases |
| パナソニックホールディングス株式会社 | 3 cases |
| 株式会社東芝 | 1 cases |
Trends in filing of joint patent applications for the target period (2014 to 2024).
Among the top coapplicants, 太平洋セメント株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 180 cases, followed by 花王株式会社 with 103 cases.
| Name | Cases |
|---|---|
| 太平洋セメント株式会社 | 180 cases |
| 花王株式会社 | 103 cases |
| 積水化学工業株式会社 | 58 cases |
| ライオン株式会社 | 53 cases |
| 株式会社東芝 | 40 cases |
| パナソニックホールディングス株式会社 | 6 cases |
| 三菱化学株式会社 | 4 cases |
Top company, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by ケイ酸’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 ケイ酸’s top 7 coapplicants over the last 20 years.
Top company Details (JP)
Trends in filing of joint patent applications with 花王株式会社
ケイ酸 filed 103 joint applications with 花王株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 59 cases in total) is 9.8, and the median is 8.0. 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 2022 with 20 cases, and their lowest number in 2015 with 5 cases.
| Index | Value |
|---|---|
| Average | 9.8 patents |
| Std Dev | 5.2 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 20 cases | +233 % |
| 2021 year | 6 cases | -50.0 % |
| 2020 year | 12 cases | +20.00 % |
Trends in filing of joint patent applications with 積水化学工業株式会社
ケイ酸 filed 58 joint applications with 積水化学工業株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 36 cases in total) is 6.0, and the median is 5.5. The coefficient of variation (standard deviation/mean) is 0.6, and there have been relatively large fluctuations in the number of filings from year to year.
The number of filings has been decreasing for the last 3 years (2020 to 2023). The highest number of filings in 2020 with 11 cases, and their lowest number in 2014 with 3 cases.
| Index | Value |
|---|---|
| Average | 6.0 patents |
| Std Dev | 3.7 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 10 cases | +66.7 % |
| 2021 year | 6 cases | -45.5 % |
| 2020 year | 11 cases | +175 % |
Trends in filing of joint patent applications with 太平洋セメント株式会社
ケイ酸 filed 180 joint applications with 太平洋セメント株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 87 cases in total) is 14.5, and the median is 12.0. 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.
The highest number of filings in 2016 with 32 cases, and their lowest number in 2022 with 6 cases.
| Index | Value |
|---|---|
| Average | 14.5 patents |
| Std Dev | 8.8 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 6 cases | -50.0 % |
| 2021 year | 12 cases | 0 |
| 2020 year | 12 cases | -40.0 % |
Trends in filing of joint patent applications with ライオン株式会社
ケイ酸 filed 53 joint applications with ライオン株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 26 cases in total) is 4.3, and the median is 3.5. 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 2015 with 9 cases, and their lowest number in 2021 with 3 cases.
| Index | Value |
|---|---|
| Average | 4.3 patents |
| Std Dev | 2.1 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 8 cases | +167 % |
| 2021 year | 3 cases | -50.0 % |
| 2020 year | 6 cases | +100 % |
Trends in filing of joint patent applications with パナソニックホールディングス株式会社
ケイ酸 filed 6 joint applications with パナソニックホールディングス株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 4 cases in total) is 0.7, 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 2022 with 3 cases, and their lowest number in 2021 with 0 cases.
| Index | Value |
|---|---|
| Average | 0.7 patents |
| Std Dev | 1.1 |
| COV | 1.7 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 3 cases | - |
| 2021 year | 0 cases | - |
| 2020 year | 0 cases | -100 % |
Information on important patents (JP)
The following shows JP patents held by ケイ酸 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and ケイ酸’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 ケイ酸 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
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), 1 patents/patent applications were invalidation trial more than once in the examination process of other patent applications. The mean of the number of invalidation trial is 1.0. The most invalidation trial patent is 特許6093829 "ランタン化合物を含む医薬組成物" (1 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6093829 | ランタン化合物を含む医薬組成物 | 1 times |
Oppositioned cases
List of latest Oppositioned patents
In the last 3 years (2021-11-01 ~ 2024-10-31), there were 30 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7425603 "医薬組成物" (Opposition day 2024-07-29) , next is 特許7425560 "固形製剤の製造方法" (Opposition day 2024-07-22) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7425603 | 医薬組成物 | 2024-07-29 |
| 2 | 特許7425560 | 固形製剤の製造方法 | 2024-07-22 |
| 3 | 特許7407533 | 非晶質組成物、熔融水砕物、熔融水砕物含有組成物、及び肥料 | 2024-07-03 |
| 4 | 特許7402687 | 医薬組成物 | 2024-06-21 |
| 5 | 特許7401100 | 地盤注入用薬液、その製造方法及び地盤注入硬化方法 | 2024-06-19 |
| 6 | 特許7369849 | セメント組成物 | 2024-04-25 |
| 7 | 特許7355358 | 地盤注入用固結材及びその製造方法 | 2024-04-03 |
| 8 | 特許7300257 | 硫化水素吸収フィルム | 2024-01-04 |
| 9 | 特許7299526 | 紙用耐油剤 | 2023-12-26 |
| 10 | 特許7240388 | 熱可塑性粉末組成物及びそのような組成物の３Ｄ印刷により製造された強化三次元物体 | 2023-09-15 |
Protested cases
List of latest Protested patents
In the last 3 years (2021-11-01 ~ 2024-10-31), there were 121 patents Protest from third parties. The average number of Protest is 1.5 times. The most recently Protest patent is 特開2023-039780 "二液型皮膚改善化粧料のための容器" (Protest day 2024-08-26) , next is 特表2022-531500 "ガラス貫通ビアの効率的な製造に有用なケイ酸塩ガラス組成物" (Protest day 2024-08-13) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特開2023-039780 | 二液型皮膚改善化粧料のための容器 | 2024-08-26 |
| 2 | 特表2022-531500 | ガラス貫通ビアの効率的な製造に有用なケイ酸塩ガラス組成物 | 2024-08-13 |
| 3 | 特開2022-109174 | 加熱野菜の製造方法 | 2024-08-09 |
| 4 | 特表2023-525987 | 固体粘着性組成物 | 2024-07-18 |
| 5 | 特表2023-553059 | 二次電池用リードフィルム及びこれを備える二次電池 | 2024-07-09 |
| 6 | 特開2022-062759 | 二軸延伸フィルムの製造方法 | 2024-07-05 |
| 7 | 特許7530020 | 岩盤固結用注入薬液組成物及び成形体 | 2024-07-01 |
| 8 | 再公表2020/085413 | 光反応性組成物 | 2024-06-25 |
| 9 | 特開2023-009696 | 耐火パネル | 2024-06-12 |
| 10 | 特許7557663 | 脱硝触媒および該触媒を用いた脱硝方法 | 2024-06-04 |
| 11 | 特開2023-171512 | 非晶質組成物、熔融水砕物、熔融水砕物含有組成物、及び肥料 | 2024-05-31 |
| 12 | 特許7538212 | ポリマーフィルムおよび通信用基板 | 2024-05-28 |
| 13 | 特開2022-176754 | 二酸化チタン粒子分散体及びそれを配合した化粧料 | 2024-05-21 |
| 14 | 特許7555760 | 筆記具用インキ組成物およびそれを収容した筆記具 | 2024-05-20 |
| 15 | 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 |
| 16 | 特許7522205 | コート紙 | 2024-04-26 |
| 17 | 特開2022-136674 | 光触媒塗布液、光触媒スプレー、光触媒コーティング方法及び光触媒被覆物 | 2024-04-12 |
| 18 | 特許7515298 | 建築物用構造体 | 2024-04-10 |
| 19 | 特開2021-197496 | 封止用樹脂シート | 2024-03-21 |
| 20 | 特開2021-112833 | 積層シート及び積層シートの製造方法 | 2024-03-18 |
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), 273 patents/patent applications were protest more than once in the examination process of other patent applications. The mean of the number of protest is 1.5. The most protest patent is 特許6286383 "固形医薬組成物" (9 times) , and the next most protest patent is 特許6294943 "固形医薬組成物" (7 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6286383 | 固形医薬組成物 | 9 times |
| 2 | 特許6294943 | 固形医薬組成物 | 7 times |
| 3 | 特許6327237 | 固形組成物 | 5 times |
| 4 | 特許7123158 | 水系塗料組成物、塗膜及び塗装物品 | 5 times |
| 5 | 特許7092475 | 化粧板 | 5 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2021-11-01 ~ 2024-10-31), there were 139 patents Inspection from third parties. The average number of Inspection is 1.8 times. The most recently Inspection patent is 特開2021-112833 "積層シート及び積層シートの製造方法" (Inspection day 2024-09-17) , next is 特表2022-531500 "ガラス貫通ビアの効率的な製造に有用なケイ酸塩ガラス組成物" (Inspection day 2024-08-21) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特開2021-112833 | 積層シート及び積層シートの製造方法 | 2024-09-17 |
| 2 | 特表2022-531500 | ガラス貫通ビアの効率的な製造に有用なケイ酸塩ガラス組成物 | 2024-08-21 |
| 3 | 特許7538212 | ポリマーフィルムおよび通信用基板 | 2024-08-09 |
| 4 | 特表2023-553059 | 二次電池用リードフィルム及びこれを備える二次電池 | 2024-08-08 |
| 5 | 特許7530020 | 岩盤固結用注入薬液組成物及び成形体 | 2024-07-30 |
| 6 | 特表2023-525987 | 固体粘着性組成物 | 2024-07-24 |
| 7 | 特開2022-062759 | 二軸延伸フィルムの製造方法 | 2024-07-09 |
| 8 | 再公表2020/085413 | 光反応性組成物 | 2024-07-02 |
| 9 | 特開2023-171512 | 非晶質組成物、熔融水砕物、熔融水砕物含有組成物、及び肥料 | 2024-07-01 |
| 10 | 特開2023-009696 | 耐火パネル | 2024-06-18 |
| 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2022-176754 | 二酸化チタン粒子分散体及びそれを配合した化粧料 | 2024-06-17 |
| 13 | 特許7522205 | コート紙 | 2024-06-10 |
| 14 | 特許6644325 | 抗菌・消臭機能の付与方法、及びそれが付与された材料 | 2024-05-31 |
| 15 | 特許7555760 | 筆記具用インキ組成物およびそれを収容した筆記具 | 2024-05-29 |
| 16 | 特表2022-537665 | フラックスを有するアルミニウム表面を不動態化するための方法 | 2024-05-01 |
| 17 | 特許7515298 | 建築物用構造体 | 2024-04-30 |
| 18 | 特許7575217 | レベチラセタムを含む錠剤 | 2024-04-17 |
| 19 | 特表2022-550994 | ３Ｄ物品を構築するための熱可塑性ポリマー組成物 | 2024-04-09 |
| 20 | 特開2020-109085 | ニコチン酸アミドを含有する油中水型乳化組成物 | 2024-04-09 |
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), 317 patents/patent applications were inspection more than once in the examination process of other patent applications. The mean of the number of inspection is 1.7. The most inspection patent is 特許6286383 "固形医薬組成物" (26 times) , and the next most inspection patent is 特許6294943 "固形医薬組成物" (22 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6286383 | 固形医薬組成物 | 26 times |
| 2 | 特許6294943 | 固形医薬組成物 | 22 times |
| 3 | 特許6327237 | 固形組成物 | 14 times |
| 4 | 特開2020-109085 | ニコチン酸アミドを含有する油中水型乳化組成物 | 13 times |
| 5 | 特開2015-057422 | イルベサルタンを含有する錠剤 | 11 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), 1,897 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 2.5. The most cited patent is 特許6256494 "メタロセン予備重合触媒の製造方法" (57 times) , and the next most cited patent is 特許6688007 "半導体発光装置及びその製造方法" (39 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6256494 | メタロセン予備重合触媒の製造方法 | 57 times |
| 2 | 特許6688007 | 半導体発光装置及びその製造方法 | 39 times |
| 3 | 特許6580397 | エッチング用組成物及びこれを用いた半導体素子の製造方法 | 27 times |
| 4 | 特許6435871 | パーフルオロ（ポリ）エーテル基含有シラン化合物を含む表面処理剤 | 18 times |
| 5 | 特許7004892 | 発光装置 | 17 times |
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