渡り (JP Patent Analysis Report)
The Technical Field "渡り" had 48 patent application filings in the most recent period (2023-01-01 to 2023-02-28). This is a significantly decreased of -24 filings (-33.3%) over 72 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 " 鳥の渡り " in the search set.
The highest number of filings in 2014 with 1,454 cases, and their lowest number in 2022 with 458 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 4,009 cases in total) is 668, and the median is 646. 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 | 668 patents |
| Std Dev | 308 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 458 cases | -26.37 % |
| 2021 year | 622 cases | -7.03 % |
| 2020 year | 669 cases | -28.83 % |
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 渡り 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 渡り, 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.
渡り, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of 渡り 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 9,443 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.
渡り
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 渡り 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, キヤノン株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 31 cases, followed by 三菱電機株式会社 with 13 cases.
| Name | Cases |
|---|---|
| キヤノン株式会社 | 31 cases |
| 三菱電機株式会社 | 13 cases |
| 株式会社リコー | 10 cases |
| トヨタ自動車株式会社 | 10 cases |
| 株式会社デンソー | 9 cases |
| 株式会社日立製作所 | 9 cases |
| 株式会社東芝 | 5 cases |
| セイコーエプソン株式会社 | 2 cases |
| パナソニックホールディングス株式会社 | 1 cases |
Trends in filing of joint patent applications for the target period (2014 to 2024).
Comparing the number of applications of each company, キヤノン株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 321 cases, followed by 三菱電機株式会社 with 271 cases.
| Name | Cases |
|---|---|
| キヤノン株式会社 | 321 cases |
| 三菱電機株式会社 | 271 cases |
| 株式会社リコー | 172 cases |
| 株式会社デンソー | 142 cases |
| トヨタ自動車株式会社 | 107 cases |
| 株式会社東芝 | 69 cases |
| 株式会社日立製作所 | 59 cases |
| セイコーエプソン株式会社 | 35 cases |
| ソニーグループ株式会社 | 17 cases |
| パナソニックホールディングス株式会社 | 10 cases |
| 三洋電機株式会社 | 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 number of patents and changes in the number of patents of other companies (competitors) in the same industry as 渡り 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, キヤノン株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 31 cases, followed by 三菱電機株式会社 with 13 cases.
Trends in filing of joint patent applications for the target period (2014 to 2024).
Among the top coapplicants, キヤノン株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 321 cases, followed by 三菱電機株式会社 with 271 cases.
Top company, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by 渡り’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 渡り’s top 7 coapplicants over the last 20 years.
Top company Details (JP)
Trends in filing of joint patent applications with キヤノン株式会社
渡り filed 321 joint applications with キヤノン株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 150 cases in total) is 25.0, and the median is 24.5. 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 2016 with 56 cases, and their lowest number in 2020 with 11 cases.
| Index | Value |
|---|---|
| Average | 25.0 patents |
| Std Dev | 13.4 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 23 cases | -11.54 % |
| 2021 year | 26 cases | +136 % |
| 2020 year | 11 cases | -68.6 % |
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
渡り filed 10 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 2015 with 4 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 | 1 cases | - |
| 2021 year | 0 cases | - |
| 2020 year | 0 cases | - |
Trends in filing of joint patent applications with 三菱電機株式会社
渡り filed 271 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, 114 cases in total) is 19.0, and the median is 17.0. 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 highest number of filings in 2014 with 50 cases, and their lowest number in 2022 with 13 cases.
| Index | Value |
|---|---|
| Average | 19.0 patents |
| Std Dev | 11.8 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 13 cases | -27.78 % |
| 2021 year | 18 cases | +12.50 % |
| 2020 year | 16 cases | -50.0 % |
Trends in filing of joint patent applications with 株式会社リコー
渡り filed 172 joint applications with 株式会社リコー for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 67 cases in total) is 11.2, and the median is 12.0. The coefficient of variation (standard deviation/mean) is 0.4, and there have been big fluctuations in the number of filings from year to year.
The number of filings has been decreasing for the last 3 years (2020 to 2023). The highest number of filings in 2014 with 35 cases, and their lowest number in 2022 with 4 cases.
| Index | Value |
|---|---|
| Average | 11.2 patents |
| Std Dev | 4.8 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 4 cases | -63.6 % |
| 2021 year | 11 cases | -15.38 % |
| 2020 year | 13 cases | -23.53 % |
Trends in filing of joint patent applications with 株式会社東芝
渡り filed 69 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, 27 cases in total) is 4.5, and the median is 4.0. The coefficient of variation (standard deviation/mean) is 0.5, and there have been big fluctuations in the number of filings from year to year.
The highest number of filings in 2015 with 12 cases, and their lowest number in 2022 with 4 cases.
| Index | Value |
|---|---|
| Average | 4.5 patents |
| Std Dev | 2.1 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 4 cases | 0 |
| 2021 year | 4 cases | 0 |
| 2020 year | 4 cases | -50.0 % |
Information on important patents (JP)
The following shows JP patents held by 渡り that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and 渡り’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 渡り 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 3 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5875216 "圧電素子の電気的接続構造の製造方法" (Invalidation Trial day 2022-11-25) , next is 特許6894033 "鑑定証明システム" (Invalidation Trial day 2022-09-07) .
| - | No. | Title | Invalidation Trial days |
|---|---|---|---|
| 1 | 特許5875216 | 圧電素子の電気的接続構造の製造方法 | 2022-11-25 |
| 2 | 特許6894033 | 鑑定証明システム | 2022-09-07 |
| 3 | 特許6877790 | 耕耘爪 | 2022-06-09 |
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), 4 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6664439 "耕耘爪" (1 times) , and the next most invalidation trial patent is 特許6578314 "レース編地" (1 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6664439 | 耕耘爪 | 1 times |
| 2 | 特許6578314 | レース編地 | 1 times |
| 3 | 特許5892573 | ２軸ヒンジ並びにこの２軸ヒンジを用いた端末機器 | 1 times |
| 4 | 特許6894033 | 鑑定証明システム | 1 times |
Oppositioned cases
List of latest Oppositioned patents
In the last 3 years (2021-11-01 ~ 2024-10-31), there were 14 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7387362 "加飾フィルム及び加飾成形品" (Opposition day 2024-05-23) , next is 特許7408172 "ＬＥＤ照明装置の製造方法" (Opposition day 2024-05-10) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7387362 | 加飾フィルム及び加飾成形品 | 2024-05-23 |
| 2 | 特許7408172 | ＬＥＤ照明装置の製造方法 | 2024-05-10 |
| 3 | 特許7309106 | 火災感知器 | 2024-01-18 |
| 4 | 特許7292607 | 加熱装置、定着装置及び画像形成装置 | 2023-11-30 |
| 5 | 特許7257489 | 水洗大便器 | 2023-10-13 |
| 6 | 特許7155481 | 放電ランプおよびオゾン生成方法 | 2023-04-17 |
| 7 | 特許7117680 | 薬剤払出し装置 | 2023-02-09 |
| 8 | 特許7050559 | 撓み噛合い式歯車装置 | 2022-10-06 |
| 9 | 特許6940655 | 鉄骨造の外壁耐火構造 | 2022-03-28 |
| 10 | 特許6923524 | 栽培設備 | 2022-02-17 |
Protested cases
List of latest Protested patents
In the last 3 years (2021-11-01 ~ 2024-10-31), there were 28 patents Protest from third parties. The average number of Protest is 1.4 times. The most recently Protest patent is 特開2022-182279 "レーザ溶接方法、レーザ溶接装置、および電気装置" (Protest day 2024-08-02) , next is 特開2023-177839 "鉄製の調理器具" (Protest day 2024-05-17) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特開2022-182279 | レーザ溶接方法、レーザ溶接装置、および電気装置 | 2024-08-02 |
| 2 | 特開2023-177839 | 鉄製の調理器具 | 2024-05-17 |
| 3 | 特開2023-182118 | 原子炉システム | 2024-05-09 |
| 4 | 特開2023-177671 | 温度検出器 | 2024-04-19 |
| 5 | 特許7346637 | 包装用容器 | 2024-03-13 |
| 6 | 特開2022-070476 | 原稿圧着板開閉装置及び事務機器 | 2024-01-09 |
| 7 | 特開2023-019139 | 編レース | 2023-12-28 |
| 8 | 特許7503449 | プレコートフィン材 | 2023-09-05 |
| 9 | 特許7473935 | 無延伸ＰＥＴフィルムを用いた袋容器 | 2023-08-22 |
| 10 | 特許7412179 | 継手管、弁付き継手管 | 2023-08-04 |
| 11 | 特許7503734 | 薬剤払出し装置 | 2023-08-03 |
| 12 | 特許7333165 | から揚げ用ブレッダー及びから揚げの製造方法 | 2023-07-07 |
| 13 | 特許7495032 | 包装用容器、包装用容器の使用方法、及び包装体の製造方法 | 2023-05-11 |
| 14 | 特開2022-164797 | 遊技機 | 2023-03-24 |
| 15 | 特許7416147 | 遊技機 | 2023-03-24 |
| 16 | 特許7364239 | 液体放射線硬化性ＳＡＰ組成物でコーティングされたファイバーを含む水遮断システム | 2023-03-14 |
| 17 | 特許7334956 | 装飾用紙器 | 2023-01-18 |
| 18 | 特許7372901 | 積層体、回路基板、及びそれらに適用する液晶ポリマーフィルム | 2022-12-22 |
| 19 | 特開2022-170632 | リニアモーター式全自動電力循環型クリーンエネルギー発電機 | 2022-11-21 |
| 20 | 特許7309106 | 火災感知器 | 2022-11-10 |
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), 75 patents/patent applications were protest more than once in the examination process of other patent applications. The mean of the number of protest is 1.2. The most protest patent is 特許7117680 "薬剤払出し装置" (4 times) , and the next most protest patent is 特許7333165 "から揚げ用ブレッダー及びから揚げの製造方法" (3 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許7117680 | 薬剤払出し装置 | 4 times |
| 2 | 特許7333165 | から揚げ用ブレッダー及びから揚げの製造方法 | 3 times |
| 3 | 特許7372901 | 積層体、回路基板、及びそれらに適用する液晶ポリマーフィルム | 3 times |
| 4 | 特許6944637 | 薬剤払出し装置 | 3 times |
| 5 | 特許6461654 | ヘッドレストステーの製造方法 | 2 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2021-11-01 ~ 2024-10-31), there were 55 patents Inspection from third parties. The average number of Inspection is 1.6 times. The most recently Inspection patent is 特許7465828 "加熱式タバコ用カートリッジ" (Inspection day 2024-09-13) , next is 特開2022-182279 "レーザ溶接方法、レーザ溶接装置、および電気装置" (Inspection day 2024-08-30) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特許7465828 | 加熱式タバコ用カートリッジ | 2024-09-13 |
| 2 | 特開2022-182279 | レーザ溶接方法、レーザ溶接装置、および電気装置 | 2024-08-30 |
| 3 | 特開2023-182118 | 原子炉システム | 2024-05-22 |
| 4 | 特開2023-177671 | 温度検出器 | 2024-04-24 |
| 5 | 特許7346637 | 包装用容器 | 2024-04-09 |
| 6 | 特開2024-030625 | 自転車用荷籠カバー | 2024-03-29 |
| 7 | 特許7561406 | 自転車用チャイルドシートカバー | 2024-02-19 |
| 8 | 特表2019-510510 | 臭い（ｓｍｅｌｌ）、香り（ｓｃｅｎｔ）および食味（ｔａｓｔｅ）を検出するためのバイオセンサー | 2024-01-19 |
| 9 | 特開2023-019139 | 編レース | 2024-01-19 |
| 10 | 特開2023-071840 | 臭い（ｓｍｅｌｌ）、香り（ｓｃｅｎｔ）および食味（ｔａｓｔｅ）を検出するためのバイオセンサー | 2024-01-19 |
| 11 | 特開2022-070476 | 原稿圧着板開閉装置及び事務機器 | 2024-01-18 |
| 12 | 特開2023-004693 | 回折格子パターン | 2023-12-29 |
| 13 | 特許5875216 | 圧電素子の電気的接続構造の製造方法 | 2023-12-27 |
| 14 | 特許7461510 | 診断システム、制御装置、診断方法および診断プログラム | 2023-11-22 |
| 15 | 特許7503449 | プレコートフィン材 | 2023-10-04 |
| 16 | 特開2022-000332 | 熱転写インクリボンコアと熱転写インクリボン判別装置および方法 | 2023-09-14 |
| 17 | 特許7503734 | 薬剤払出し装置 | 2023-09-01 |
| 18 | 特許7473935 | 無延伸ＰＥＴフィルムを用いた袋容器 | 2023-08-30 |
| 19 | 特許7495032 | 包装用容器、包装用容器の使用方法、及び包装体の製造方法 | 2023-08-16 |
| 20 | 特許7412179 | 継手管、弁付き継手管 | 2023-08-08 |
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), 133 patents/patent applications were inspection more than once in the examination process of other patent applications. The mean of the number of inspection is 1.3. The most inspection patent is 特許7372901 "積層体、回路基板、及びそれらに適用する液晶ポリマーフィルム" (6 times) , and the next most inspection patent is 特許7333165 "から揚げ用ブレッダー及びから揚げの製造方法" (5 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許7372901 | 積層体、回路基板、及びそれらに適用する液晶ポリマーフィルム | 6 times |
| 2 | 特許7333165 | から揚げ用ブレッダー及びから揚げの製造方法 | 5 times |
| 3 | 特許6491631 | 洗濯機 | 5 times |
| 4 | 特許6461654 | ヘッドレストステーの製造方法 | 4 times |
| 5 | 特許7028570 | 電気掃除機の吸口体及びこれを備えた電気掃除機 | 3 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), 2,128 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6425772 "遊技機" (60 times) , and the next most cited patent is 特許6859984 "遊技機" (58 times) .
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