窒化 (JP Patent Analysis Report)
The Technical Field "窒化" had 709 patent application filings in the most recent period (2022-01-01 to 2022-07-31). This is a significantly decreased of -295 filings (-29.4%) over 1,004 they had in the same period of the previous year (2021-01-01 to 2021-07-31). This report also includes technical terms related to " 窒化処理 ", " 窒化法 ", " 窒化硬化法 " in the search set.
The company had their highest number of filings in 2014 with 2,486 cases, and their lowest number in 2022 with 957 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 8,696 cases in total) is 1,449, and the median is 1,698. 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.
| Index | Value |
|---|---|
| Average | 1,449 patents |
| Std Dev | 698 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 957 cases | -43.1 % |
| 2021 year | 1,681 cases | -1.98 % |
| 2020 year | 1,715 cases | -11.96 % |
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 窒化 for the period of the last 10 years (2014-01-01 to 2024-03-31). 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 窒化, 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.
窒化, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of 窒化 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 Object)
This patent analysis report was created for a patent search set of 17,890 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.
窒化
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 窒化 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, 三菱電機株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 16 cases, followed by 株式会社東芝 with 12 cases.
| Name | Cases |
|---|---|
| 三菱電機株式会社 | 16 cases |
| 株式会社東芝 | 12 cases |
| 住友電気工業株式会社 | 11 cases |
| 株式会社半導体エネルギー研究所 | 5 cases |
| 三菱マテリアル株式会社 | 4 cases |
| セイコーエプソン株式会社 | 4 cases |
| 京セラ株式会社 | 3 cases |
| 株式会社日立製作所 | 2 cases |
| 日本電気株式会社 | 1 cases |
Trends in filing of joint patent applications for the target period (2014 to 2024).
Comparing the number of applications of each company, 株式会社半導体エネルギー研究所 has the highest number of joint applications in the last for the target period (2014 to 2024) with 568 cases, followed by 三菱電機株式会社 with 567 cases.
| Name | Cases |
|---|---|
| 株式会社半導体エネルギー研究所 | 568 cases |
| 三菱電機株式会社 | 567 cases |
| 株式会社東芝 | 328 cases |
| 三菱マテリアル株式会社 | 257 cases |
| 住友電気工業株式会社 | 253 cases |
| セイコーエプソン株式会社 | 186 cases |
| 京セラ株式会社 | 160 cases |
| ソニーグループ株式会社 | 58 cases |
| 株式会社日立製作所 | 38 cases |
| パナソニックホールディングス株式会社 | 19 cases |
| 日本電気株式会社 | 13 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 窒化 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, 三菱電機株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 16 cases, followed by 株式会社東芝 with 12 cases.
| Name | Cases |
|---|---|
| 三菱電機株式会社 | 16 cases |
| 株式会社東芝 | 12 cases |
| 住友電気工業株式会社 | 11 cases |
| 株式会社半導体エネルギー研究所 | 5 cases |
| 三菱マテリアル株式会社 | 4 cases |
| 日本電気株式会社 | 1 cases |
Trends in filing of joint patent applications for the target period (2014 to 2024).
Among the top coapplicants, 株式会社半導体エネルギー研究所 has the highest number of joint applications in the last for the target period (2014 to 2024) with 568 cases, followed by 三菱電機株式会社 with 567 cases.
| Name | Cases |
|---|---|
| 株式会社半導体エネルギー研究所 | 568 cases |
| 三菱電機株式会社 | 567 cases |
| 株式会社東芝 | 328 cases |
| 三菱マテリアル株式会社 | 257 cases |
| 住友電気工業株式会社 | 253 cases |
| パナソニックホールディングス株式会社 | 19 cases |
| 日本電気株式会社 | 13 cases |
Top company, Change in the Number of JP Patents
Below is a patent map showing the changes in the numbers of JP patent filings by 窒化’s top 7 coapplicants over the last 20 years.
Top company Details (JP)
Trends in filing of joint patent applications with 株式会社東芝
窒化 filed 328 joint applications with 株式会社東芝 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 115 cases in total) is 19.2, and the median is 18.0. 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 number of filings has been decreasing for the last 3 years (2020 to 2023). The company had their highest number of filings in 2014 with 63 cases, and their lowest number in 2022 with 12 cases.
| Index | Value |
|---|---|
| Average | 19.2 patents |
| Std Dev | 11.8 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 12 cases | -33.3 % |
| 2021 year | 18 cases | 0 |
| 2020 year | 18 cases | -47.1 % |
Trends in filing of joint patent applications with 日本電気株式会社
窒化 filed 13 joint applications with 日本電気株式会社 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 0.5. The coefficient of variation (standard deviation/mean) is 1.1, and there have been very big fluctuations in the number of filings from year to year.
The company had their highest number of filings in 2014 with 3 cases, and their lowest number in 2020 with 0 cases.
| Index | Value |
|---|---|
| Average | 0.7 patents |
| Std Dev | 0.7 |
| COV | 1.1 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 1 cases | 0 |
| 2021 year | 1 cases | - |
| 2020 year | 0 cases | - |
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
窒化 filed 19 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, 9 cases in total) is 1.5, and the median is 1.5. 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 company had their highest number of filings in 2014 with 4 cases, and their lowest number in 2022 with 0 cases.
| Index | Value |
|---|---|
| Average | 1.5 patents |
| Std Dev | 1.4 |
| COV | 0.9 |
| Year | Cases | YOY |
|---|---|---|
| 2021 year | 2 cases | +100 % |
| 2020 year | 1 cases | -50.0 % |
| 2019 year | 2 cases | -50.0 % |
Trends in filing of joint patent applications with 三菱電機株式会社
窒化 filed 567 joint applications with 三菱電機株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 229 cases in total) is 38.2, and the median is 38.5. 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 company had their highest number of filings in 2014 with 110 cases, and their lowest number in 2022 with 15 cases.
| Index | Value |
|---|---|
| Average | 38.2 patents |
| Std Dev | 25.1 |
| COV | 0.7 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 15 cases | -54.5 % |
| 2021 year | 33 cases | -25.00 % |
| 2020 year | 44 cases | -33.3 % |
Trends in filing of joint patent applications with 住友電気工業株式会社
窒化 filed 253 joint applications with 住友電気工業株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 113 cases in total) is 18.8, and the median is 21.5. The coefficient of variation (standard deviation/mean) is 0.6, and there have been big fluctuations in the number of filings from year to year.
The company had their highest number of filings in 2014 with 42 cases, and their lowest number in 2022 with 11 cases.
| Index | Value |
|---|---|
| Average | 18.8 patents |
| Std Dev | 10.9 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 11 cases | -35.3 % |
| 2021 year | 17 cases | -34.6 % |
| 2020 year | 26 cases | -3.70 % |
Information on important patents (JP)
The following shows JP patents held by 窒化 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and 窒化’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 窒化 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 (2014-04-01 to 2024-03-31), 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6320582 "半導体発光素子" (1 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6320582 | 半導体発光素子 | 1 times |
Oppositioned cases
List of latest Oppositioned patents
In the last 3 years (2021-04-01 ~ 2024-03-31), there were 96 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7342917 "接着性樹脂シート、プリント配線板および、電子機器。" (Opposition day 2024-02-19) , next is 特許7329917 "基板固定装置" (Opposition day 2024-02-19) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7342917 | 接着性樹脂シート、プリント配線板および、電子機器。 | 2024-02-19 |
| 2 | 特許7329917 | 基板固定装置 | 2024-02-19 |
| 3 | 特許7313105 | 構造体及び接合体 | 2024-01-22 |
| 4 | 特許7332588 | セラミックス銅回路基板およびその製造方法 | 2024-01-22 |
| 5 | 特許7315857 | 方向性電磁鋼板の製造方法 | 2024-01-22 |
| 6 | 特許7307255 | 窒化ケイ素焼結体の製造方法 | 2024-01-09 |
| 7 | 特許7304167 | 絶縁シートの製造方法、金属ベース回路基板の製造方法、及び絶縁シート | 2024-01-05 |
| 8 | 特許7303207 | 金属基材上の硬質材料の層 | 2023-12-21 |
| 9 | 特許7287900 | 熱伝導及び電気絶縁のための装置 | 2023-12-05 |
| 10 | 特許7278325 | 窒化ケイ素焼結体 | 2023-11-13 |
Protested cases
List of latest Protested patents
In the last 3 years (2021-04-01 ~ 2024-03-31), there were 99 patents Protest from third parties. The average number of Protest is 1.5 times. The most recently Protest patent is 特表2023-550866 "分配粘度が低く、分配後の鉛直流が少なく、硬化後の熱インピーダンスが低い熱界面材料" (Protest day 2024-03-07) , next is 特開2022-144506 "固形粉末化粧料" (Protest day 2024-03-04) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特表2023-550866 | 分配粘度が低く、分配後の鉛直流が少なく、硬化後の熱インピーダンスが低い熱界面材料 | 2024-03-07 |
| 2 | 特開2022-144506 | 固形粉末化粧料 | 2024-03-04 |
| 3 | 特開2023-062399 | 熱伝導性シリコーン組成物 | 2024-02-29 |
| 4 | 特許7464494 | 黒色感光性樹脂組成物、パターン化された硬化物の製造方法、パターン化された硬化物、及びブラックマトリクス | 2024-02-07 |
| 5 | 特許7464493 | 黒色感光性樹脂組成物、パターン化された硬化物の製造方法、パターン化された硬化物、及びブラックマトリクス | 2024-02-07 |
| 6 | 特開2021-053748 | 研磨パッド及び研磨加工物の製造方法 | 2024-02-02 |
| 7 | 特表2023-508199 | ウェハクランプの硬いバールの製造および改修 | 2024-01-31 |
| 8 | 特開2023-182033 | 保持装置 | 2024-01-30 |
| 9 | 特表2023-545035 | ポストＣＭＰ洗浄組成物 | 2024-01-11 |
| 10 | 特開2023-174170 | 光電変換素子 | 2024-01-05 |
| 11 | 特開2022-111068 | 光電変換素子 | 2024-01-05 |
| 12 | 特表2023-512306 | トライボロジーシステム | 2023-12-18 |
| 13 | 特許7470032 | グリーンシートおよびその製造方法 | 2023-12-12 |
| 14 | 特許7471206 | 鋼材の表面処理方法 | 2023-12-07 |
| 15 | 特開2020-084185 | 高熱伝導性樹脂組成物の製造方法 | 2023-11-29 |
| 16 | 特表2023-532872 | 結合研磨物品及びそれを作製する方法 | 2023-11-20 |
| 17 | 特開2022-047977 | 紫外線硬化性樹脂組成物、光学部品、光学部品の製造方法、発光装置、及び発光装置の製造方法 | 2023-10-30 |
| 18 | 特開2020-170841 | エッチング残渣の除去のためのクリーニング組成物 | 2023-10-20 |
| 19 | 特開2023-104887 | 金属ベース回路基板、及び金属ベース回路基板の製造方法 | 2023-10-19 |
| 20 | 特許7467980 | 窒化ホウ素凝集粉末、放熱シート及び半導体デバイスの製造方法 | 2023-09-29 |
Top Patents/Patent Applications with the Highest Number of Protested
Of the patent applications filed in the last 10 years (2014-04-01 to 2024-03-31), 248 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7394178 "保持装置" (6 times) , and the next most protest patent is 特許7181898 "窒化アルミニウム焼結体およびこれを含む半導体製造装置用部材" (5 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許7394178 | 保持装置 | 6 times |
| 2 | 特許7181898 | 窒化アルミニウム焼結体およびこれを含む半導体製造装置用部材 | 5 times |
| 3 | 特許7036398 | 液体中の含硫黄化合物の除去方法 | 5 times |
| 4 | 特許7060528 | 被覆切削工具 | 4 times |
| 5 | 特開2016-088911 | 高い被覆特性を有する組成物 | 4 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2021-04-01 ~ 2024-03-31), there were 157 patents Inspection from third parties. The average number of Inspection is 1.7 times. The most recently Inspection patent is 特開2023-025002 "ミスカット基板を用いた高パワーの窒化ガリウムエレクトロニクス" (Inspection day 2024-03-25) , next is 特開2023-062399 "熱伝導性シリコーン組成物" (Inspection day 2024-03-13) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特開2023-025002 | ミスカット基板を用いた高パワーの窒化ガリウムエレクトロニクス | 2024-03-25 |
| 2 | 特開2023-062399 | 熱伝導性シリコーン組成物 | 2024-03-13 |
| 3 | 特開2021-053748 | 研磨パッド及び研磨加工物の製造方法 | 2024-02-15 |
| 4 | 特表2023-545035 | ポストＣＭＰ洗浄組成物 | 2024-02-13 |
| 5 | 特開2023-182033 | 保持装置 | 2024-02-07 |
| 6 | 特許6690671 | 電気光学装置および電子機器 | 2024-02-06 |
| 7 | 特許6885440 | 電気光学装置の製造方法、電気光学装置および電子機器 | 2024-02-06 |
| 8 | 特許6702394 | 電気光学装置、電気光学装置の製造方法、および電気光学装置製造用部材 | 2024-02-06 |
| 9 | 特許5524194 | トレンチ処理およびポリシリコンドーピング領域を持つ裏面コンタクト型太陽電池用の構造 | 2024-01-30 |
| 10 | 特許6148319 | ポリシリコンドープ領域を有するバックコンタクト型太陽電池のトレンチプロセス及び構造 | 2024-01-30 |
| 11 | 特開2023-174170 | 光電変換素子 | 2024-01-30 |
| 12 | 特許5860101 | ポリシリコンドープ領域を有するバックコンタクト型太陽電池のトレンチプロセス及び構造 | 2024-01-30 |
| 13 | 特開2021-185235 | 耐化学薬品性であるポリオキシメチレンポリマー組成物 | 2024-01-30 |
| 14 | 特開2022-111068 | 光電変換素子 | 2024-01-30 |
| 15 | 特許7342917 | 接着性樹脂シート、プリント配線板および、電子機器。 | 2024-01-11 |
| 16 | 特開2022-190359 | ブラックマトリクス基板、及びブラックマトリクス基板を備えた表示装置 | 2023-12-29 |
| 17 | 特許7470032 | グリーンシートおよびその製造方法 | 2023-12-14 |
| 18 | 特表2023-532872 | 結合研磨物品及びそれを作製する方法 | 2023-12-08 |
| 19 | 特開2022-047977 | 紫外線硬化性樹脂組成物、光学部品、光学部品の製造方法、発光装置、及び発光装置の製造方法 | 2023-11-24 |
| 20 | 特許6979034 | 六方晶窒化ホウ素粉末及びその製造方法 | 2023-11-16 |
Top Patents/Patent Applications with the Highest Number of Inspectioned
Of the patent applications filed in the last 10 years (2014-04-01 to 2024-03-31), 410 patents/patent applications were inspection more than once in the examination process of other patent applications. The mean of the number of inspection is 1.4. The most inspection patent is 特許7181898 "窒化アルミニウム焼結体およびこれを含む半導体製造装置用部材" (8 times) , and the next most inspection patent is 特許6909448 "静電チャック" (8 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許7181898 | 窒化アルミニウム焼結体およびこれを含む半導体製造装置用部材 | 8 times |
| 2 | 特許6909448 | 静電チャック | 8 times |
| 3 | 特許6909447 | 静電チャック | 8 times |
| 4 | 特許6536622 | βサイアロン蛍光体の製造方法 | 5 times |
| 5 | 特許6678999 | 六方晶窒化ホウ素粉末、その製造方法、樹脂組成物及び樹脂シート | 5 times |
Cited cases
Top Patents/Patent Applications with the Highest Number of Cited
Of the patent applications filed in the last 10 years (2014-04-01 to 2024-03-31), 4,475 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 3.0. The most cited patent is 特開2017-220011 "積層膜、表示装置及び入力装置" (160 times) , and the next most cited patent is 特許6320282 "エッチング方法" (110 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特開2017-220011 | 積層膜、表示装置及び入力装置 | 160 times |
| 2 | 特許6320282 | エッチング方法 | 110 times |
| 3 | 特許6478596 | 表示装置の作製方法 | 43 times |
| 4 | 特許6483508 | 六方晶窒化ホウ素粉末及びその製造方法 | 36 times |
| 5 | 特許5910763 | 弾性波装置 | 32 times |
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