インバータ装置技術 (JP Patent Analysis Report)
The Theme Code "インバータ装置技術" had 212 patent application filings in the most recent period (2023-01-01 to 2023-03-31). This is a weakly transition of -22 filings (-9.4%) over 234 they had in the same period of the previous year (2022-01-01 to 2022-03-31).
The highest number of filings in 2016 with 1,664 cases, and their lowest number in 2022 with 805 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 6,229 cases in total) is 1,038, and the median is 1,040. 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 | 1,038 patents |
| Std Dev | 373 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 805 cases | -18.27 % |
| 2021 year | 985 cases | -10.13 % |
| 2020 year | 1,096 cases | -25.59 % |
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 インバータ装置技術[5H770] for the period of the last 10 years (2014-01-01 to 2024-11-30). 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 インバータ装置技術, such as changes in the number of patents/patent applications they have filed, comparisons of the numbers of patents/patent applications filed by their peers and competitors, their top coapplicants (joint research partners, alliance partners), and their most important patents. It can be used in various intellectual property business operations such as IP landscaping, patent search/patent analysis, preparation of intellectual property business evaluation reports, selection of M&A candidates, and selection of alliance partners.
- Table of Contents
- Foreign Patent Analysis Report
- Patent Filing Summary for インバータ装置技術
- Search Set (Search Formula/Analysis Patents)
- Related Patent Analysis Report
- Competitors Information
- Top company Information
- • Information on Important Patents
- Provision of patent information to the media
- About this Site
He is a patent attorney at a patent office. He specializes in invention counseling, patent filing, and intellectual property strategies for start-up companies and new businesses in the fields of software, information technology and artificial intelligence. He runs a patent course for beginners on Udemy, an online course provider.
After studying physics at the University of Tokyo as a doctoral student, he was engaged in intellectual property analysis and technology trend research as an in-house patent attorney at a precision equipment manufacturer and at Toyota Central R&D Labs. Inc..
Introduction
The concept of the "IP landscape" (IPL) has been attracting attention recently.
An IP landscape is not limited to patent information, but also integrates and analyzes business information (e.g., non-patent information such as papers, news releases, stock information, and market information). Intellectual-property-based business management is realized through the analysis of intellectual property information applied to the formulation of management strategies and business strategies. This is a comprehensive approach that includes but not limited to planning of open and closed strategies, selecting M&A candidates, searching for alliance partners, and formulating intellectual property strategies, through the exploitation of intellectual property information.
IP landscaping usually includes patent search and patent analysis. In patent search and patent analysis, it is important to grasp the market position of each company and the overall technological trends and development trends for each technology. More specifically, it is important to understand what intellectual property your own company and other companies hold, what the strengths and weaknesses of other companies are, and how other companies are trying to exploit their intellectual property. In other words, it is important to understand both the business strategy and the intellectual property strategy of each company.
After reading this search report, you may be interested in more detailed patent searches and patent analysis. We offer a service called Patent Integration, which is an integrated patent search and patent analysis service. With reasonable pricing and a simple user interface such that even beginners can quickly search for and analyze patent information by company or technology from a web browser, please consider using it for detailed patent searches, patent analysis, and IP landscaping.
Patent Integration has a patent-landscaping function that can visually represent a set of tens of thousands of patents/patent applications. This allows you to convincingly show the technical positions of your company and its competitors to your management and business strategists in order to formulate management strategies and business strategies.
インバータ装置技術, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of インバータ装置技術 over the last 20 years (JP) are shown below.
The change in the number of patents/patent applications is the most basic index in patent analysis. By examining the change in the number of patents/patent applications, you can see the status of technological development and R&D focus for each company or technology. It should be noted that since there is a one and a half year lag between the filing and the laying open of patent applications, it is not possible to analyze the situation more recently than one and half years prior to the present.
In this report, you can only see the change in the number of patents/patent applications by company or technology, whereas Patent Integration allows you to quickly compare the number of patent applications with your competitors in each technical field by cross-referencing with other keywords and patent classifications.
Patent Landscape ({{ld.d.db_name | country_map: 'en'}})
Patent landscaping is a visualization of the distribution of patent filings (application focus areas) for each technical keyword. Mountains and islands indicated by heatmap contours represent clusters of patent applications filed, and red areas on the heatmap indicate many patent filings relating to the keyword.
The patent landscape for インバータ装置技術 gives an intuitive understanding of what patent filings they have made and what technical position is to be established. By selecting filing year checkboxes and filtering, you can track their past filing trends (what technical area they have focused on).
By selecting applicant/patent holder checkboxes and filtering, you can visually grasp the technical areas of the filings for each applicant and the partnerships or alliances formed. Please use it as a guide for patent analysis and IP landscaping.
In addition, by visually representing the patent data in this manner, you can convincingly show the technical positions of your company and its competitors to your management and business strategists in order to formulate management strategies and business strategies.
In Patent Integration, you can check the specifics of a patent filing by clicking anywhere on the patent landscape screen. You can also quickly check the position of each applicant for each technical field by cross-referencing with other keywords and patent classifications. You can use it as a guide when considering hypotheses about each company's IP strategy on the IP Landscape. You can also use it for higher-grade intellectual property activities. It has reasonable pricing and a simple user interface that is easy for beginners to handle.
Characteristic Terms (Importance)
The following is a list of words (characteristic terms) often used in インバータ装置技術 patent applications. Characteristic terms with a higher importance are used in more patents/patent applications.
Search Set (Analysis Patents)
This patent analysis report was created for a patent search set of 12,338 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.
インバータ装置技術[5H770]
Same industry / competition company information (JP)
The patent information of the higher applicant in the technical theme インバータ装置技術 is shown below. By comparing the number of patents of each company, you can check the research and development status of each company's past and present technical themes and the position of each company in the technical theme.
Trends in filing of joint patent applications in the last 3 years (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 122 cases, followed by 株式会社デンソー with 102 cases.
| Name | Cases |
|---|---|
| 三菱電機株式会社 | 122 cases |
| 株式会社デンソー | 102 cases |
| 富士電機株式会社 | 89 cases |
| トヨタ自動車株式会社 | 75 cases |
| 株式会社TMEIC | 63 cases |
| 日立ASTEMO株式会社 | 48 cases |
| 株式会社東芝 | 29 cases |
| 株式会社明電舎 | 27 cases |
| 株式会社日立製作所 | 26 cases |
Trends in filing of joint patent applications for the target period (2014 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 for the target period (2014 to 2024) with 1,328 cases, followed by 株式会社デンソー with 1,263 cases.
| Name | Cases |
|---|---|
| 三菱電機株式会社 | 1,328 cases |
| 株式会社デンソー | 1,263 cases |
| 富士電機株式会社 | 758 cases |
| トヨタ自動車株式会社 | 670 cases |
| 株式会社TMEIC | 545 cases |
| 日立ASTEMO株式会社 | 452 cases |
| 株式会社日立製作所 | 433 cases |
| 株式会社東芝 | 343 cases |
| 株式会社明電舎 | 320 cases |
| パナソニックホールディングス株式会社 | 10 cases |
Same industry / competition company, Change in the Number of JP Patents
Below is a patent map showing changes in the number of applications for JP patents of 11 companies in the same industry over the past 20 years.
Top company information (JP)
The patent information of the higher applicant in the technical theme インバータ装置技術 is shown below. By comparing the number of patents of each company, you can check the research and development status of each company's past and present technical themes and the position of each company in the technical theme.
Trends in filing of joint patent applications in the last 3 years (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 122 cases, followed by 株式会社デンソー with 102 cases.
Trends in filing of joint patent applications for the target period (2014 to 2024).
among the top coapplicants, 三菱電機株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 1,328 cases, followed by 株式会社デンソー with 1,263 cases.
Top company, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by インバータ装置技術’s top 7 coapplicants over the last 20 years.
Below is a patent map showing the changes in the numbers of JP patent filings by インバータ装置技術’s top 7 coapplicants over the last 20 years.
Top company Details (JP)
Trends in filing of joint patent applications with 三菱電機株式会社
インバータ装置技術 filed 1,328 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, 702 cases in total) is 117, and the median is 135. 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 highest number of filings in 2016 with 192 cases, and their lowest number in 2022 with 81 cases.
| Index | Value |
|---|---|
| Average | 117 patents |
| Std Dev | 43.8 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 81 cases | -37.2 % |
| 2021 year | 129 cases | -12.84 % |
| 2020 year | 148 cases | -10.30 % |
Trends in filing of joint patent applications with 株式会社東芝
インバータ装置技術 filed 343 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, 123 cases in total) is 20.5, and the median is 21.5. 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 59 cases, and their lowest number in 2019 with 20 cases.
| Index | Value |
|---|---|
| Average | 20.5 patents |
| Std Dev | 7.0 |
| COV | 0.3 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 22 cases | +4.76 % |
| 2021 year | 21 cases | -4.55 % |
| 2020 year | 22 cases | +10.00 % |
Trends in filing of joint patent applications with 株式会社日立製作所
インバータ装置技術 filed 433 joint applications with 株式会社日立製作所 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 180 cases in total) is 30.0, and the median is 31.5. 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 highest number of filings in 2015 with 72 cases, and their lowest number in 2022 with 22 cases.
| Index | Value |
|---|---|
| Average | 30.0 patents |
| Std Dev | 14.7 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 22 cases | -18.52 % |
| 2021 year | 27 cases | -35.7 % |
| 2020 year | 42 cases | +16.67 % |
Trends in filing of joint patent applications with 株式会社デンソー
インバータ装置技術 filed 1,263 joint applications with 株式会社デンソー for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 720 cases in total) is 120, and the median is 110. 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 highest number of filings in 2019 with 221 cases, and their lowest number in 2022 with 63 cases.
| Index | Value |
|---|---|
| Average | 120 patents |
| Std Dev | 66.4 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 63 cases | -11.27 % |
| 2021 year | 71 cases | -52.7 % |
| 2020 year | 150 cases | -32.1 % |
Trends in filing of joint patent applications with 富士電機株式会社
インバータ装置技術 filed 758 joint applications with 富士電機株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 412 cases in total) is 68.7, and the median is 73.0. The coefficient of variation (standard deviation/mean) is 0.29, and there have been small 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 101 cases, and their lowest number in 2022 with 55 cases.
| Index | Value |
|---|---|
| Average | 68.7 patents |
| Std Dev | 19.8 |
| COV | 0.29 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 55 cases | -35.3 % |
| 2021 year | 85 cases | +13.33 % |
| 2020 year | 75 cases | -19.35 % |
Information on important patents (JP)
The following shows JP patents held by インバータ装置技術 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and インバータ装置技術’s JP patents/patent applications of high importance cited by Examiners in patent examination processes.
By noting the most important patents, you can obtain knowledge of the competitive business environment in which インバータ装置技術 is placed (e.g., whether it is a fiercely competitive environment or an oligopolistic market and the like). In general, it can be understood that a company with a large number of demands for invalidation trials is developing their business in a business environment where IP disputes are common.
If you want to search for more detailed information, you can use Patent Integration to retrieve and download by company cited patents/patent applications or patents undergoing invalidation trials. You can quickly extract important patents from a patent set that includes multiple competitors by cross-referencing with other keywords and patent classifications. Please consider using it for searches for important patents/patent applications.
Glossary
- Cited
- Indicates that the patent/patent application has been cited (by Examiners) in notices of reasons for rejection in the examination process of other (Japanese, U.S., or European) patent applications. The higher the number of citations, the more important the patent/patent application is considered to be.
- Request for invalidation trial
- Indicates that a third party has requested a procedure to invalidate the patent. It is likely to affect the business of third parties and is considered to be of high importance.
- Opposition
- Indicates that a third party has filed a petition with the Patent Office to hear the validity of the patent again. Like the trial for invalidation, it is considered to be of high importance.
- Information provision
- Indicates that a third party has provided the Patent Office with useful information for examination for the patent filed. It is usually considered to be of high importance because it is done to prevent the patent from being granted.
- Browsing request
- Indicates that a third party has requested the Patent Office to view the patent bag (a set of documents exchanged between the Patent Office and the applicant). The bag is often checked prior to trial for invalidation, opposition, and provision of information, and is considered to be a highly important patent.
Invalidationed Trial cases
List of latest Invalidationed Trial patents
In the last 3 years (2021-12-01 ~ 2024-11-30), 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6707274 "パワーコンディショナ" (Invalidation Trial day 2022-03-11) .
| - | No. | Title | Invalidation Trial days |
|---|---|---|---|
| 1 | 特許6707274 | パワーコンディショナ | 2022-03-11 |
Top Patents/Patent Applications with the Highest Number of Invalidationed Trial
Of the patent applications filed in the last 10 years (2014-12-01 to 2024-11-30), 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6707274 "パワーコンディショナ" (1 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6707274 | パワーコンディショナ | 1 times |
Oppositioned cases
List of latest Oppositioned patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 17 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7400860 "駆動装置、および、これを用いた電動パワーステアリング装置" (Opposition day 2024-06-11) , next is 特許7315862 "電力変換装置及び冷凍装置" (Opposition day 2023-12-25) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7400860 | 駆動装置、および、これを用いた電動パワーステアリング装置 | 2024-06-11 |
| 2 | 特許7315862 | 電力変換装置及び冷凍装置 | 2023-12-25 |
| 3 | 特許7295483 | ノイズ低減回路、負荷システム、電力変換装置及び冷凍装置 | 2023-12-13 |
| 4 | 特許7288206 | ノイズ低減回路、電力変換装置及び冷凍装置 | 2023-12-04 |
| 5 | 特許7262318 | パワーコンディショナ | 2023-10-20 |
| 6 | 特許7214598 | 制御装置、制御システム、制御方法、およびプログラム | 2023-07-27 |
| 7 | 特許7169458 | 電子制御装置 | 2023-04-25 |
| 8 | 特許7154019 | ＡＣ－ＡＣ電力変換装置 | 2023-04-11 |
| 9 | 特許7160056 | 電力変換器の制御回路 | 2023-03-30 |
| 10 | 特許7108224 | 電力変換装置、空気調和機及び冷凍装置 | 2023-01-24 |
Protested cases
List of latest Protested patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 13 patents Protest from third parties. The average number of Protest is 1.3 times. The most recently Protest patent is 特許7399331 "電力変換装置、モータ駆動装置、送風機、圧縮機及び空気調和機" (Protest day 2024-10-22) , next is 特開2024-135200 "電力変換装置" (Protest day 2024-10-18) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特許7399331 | 電力変換装置、モータ駆動装置、送風機、圧縮機及び空気調和機 | 2024-10-22 |
| 2 | 特開2024-135200 | 電力変換装置 | 2024-10-18 |
| 3 | 特開2022-160942 | 電力変換装置 | 2024-06-12 |
| 4 | 特開2021-112124 | 結合インダクタインバータトポロジ | 2024-01-26 |
| 5 | 特許7571417 | 電力変換装置 | 2023-10-26 |
| 6 | 特許7394196 | 電気回路体及び冷凍サイクル装置 | 2023-06-01 |
| 7 | 特許7315862 | 電力変換装置及び冷凍装置 | 2023-05-16 |
| 8 | 特許7288206 | ノイズ低減回路、電力変換装置及び冷凍装置 | 2023-04-26 |
| 9 | 特許7295483 | ノイズ低減回路、負荷システム、電力変換装置及び冷凍装置 | 2023-04-26 |
| 10 | 特開2022-041869 | 電力変換装置及び部品間接続構造 | 2022-06-07 |
| 11 | 特許7154019 | ＡＣ－ＡＣ電力変換装置 | 2022-04-13 |
| 12 | 特許7176125 | 電気回路体及び冷凍サイクル装置 | 2022-03-29 |
| 13 | 特許7238284 | 電動機駆動装置 | 2021-12-24 |
Top Patents/Patent Applications with the Highest Number of Protested
Of the patent applications filed in the last 10 years (2014-12-01 to 2024-11-30), 35 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7154019 "ＡＣ－ＡＣ電力変換装置" (2 times) , and the next most protest patent is 特許6877898 "電力変換装置、及びこれを備える空気調和機" (2 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許7154019 | ＡＣ－ＡＣ電力変換装置 | 2 times |
| 2 | 特許6877898 | 電力変換装置、及びこれを備える空気調和機 | 2 times |
| 3 | 特許7176125 | 電気回路体及び冷凍サイクル装置 | 2 times |
| 4 | 特開2024-135200 | 電力変換装置 | 2 times |
| 5 | 特開2018-074636 | 太陽光発電システム | 2 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 23 patents Inspection from third parties. The average number of Inspection is 1.0 times. The most recently Inspection patent is 特許7288057 "動力電池の充電方法、及び車両の動力電池の充電方法" (Inspection day 2024-11-15) , next is 特開2023-123426 "動力電池の充電方法、モータ制御回路及び車両" (Inspection day 2024-11-15) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特許7288057 | 動力電池の充電方法、及び車両の動力電池の充電方法 | 2024-11-15 |
| 2 | 特開2023-123426 | 動力電池の充電方法、モータ制御回路及び車両 | 2024-11-15 |
| 3 | 特許7399331 | 電力変換装置、モータ駆動装置、送風機、圧縮機及び空気調和機 | 2024-11-13 |
| 4 | 特許7576104 | エネルギー変換装置及びその安全制御方法 | 2024-08-27 |
| 5 | 特開2022-160942 | 電力変換装置 | 2024-06-19 |
| 6 | 特開2024-135200 | 電力変換装置 | 2024-04-05 |
| 7 | 特許7439820 | モータユニット | 2023-11-27 |
| 8 | 特許7586462 | 交流電力切替方法 | 2023-11-22 |
| 9 | 特許7571417 | 電力変換装置 | 2023-11-01 |
| 10 | 特表2022-539524 | ハイブリッドパワーモジュール | 2023-10-17 |
| 11 | 特表2020-509727 | 低電圧で電力供給される電気機械および関連するマルチセルパワートレイン | 2023-09-25 |
| 12 | 特開2024-028177 | Ｓセルを組み込んだコールドプレート | 2023-09-08 |
| 13 | 特許7389045 | モータユニット | 2023-08-10 |
| 14 | 特許7315862 | 電力変換装置及び冷凍装置 | 2023-05-25 |
| 15 | 特許7288206 | ノイズ低減回路、電力変換装置及び冷凍装置 | 2023-05-12 |
| 16 | 特許7295483 | ノイズ低減回路、負荷システム、電力変換装置及び冷凍装置 | 2023-05-12 |
| 17 | 特許7564261 | パワーデバイスアセンブリとその製造方法 | 2023-02-28 |
| 18 | 特表2022-509530 | 適応動的効率最適化を利用した高効率の並列電力変換システム | 2022-09-12 |
| 19 | 特開2022-041869 | 電力変換装置及び部品間接続構造 | 2022-09-12 |
| 20 | 特開2015-146667 | 電力変換装置 | 2022-06-02 |
Top Patents/Patent Applications with the Highest Number of Inspectioned
Of the patent applications filed in the last 10 years (2014-12-01 to 2024-11-30), 78 patents/patent applications were inspection more than once in the examination process of other patent applications. The mean of the number of inspection is 1.1. The most inspection patent is 特許6705582 "インバータ用制御電源供給装置" (3 times) , and the next most inspection patent is 特許7154019 "ＡＣ－ＡＣ電力変換装置" (2 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6705582 | インバータ用制御電源供給装置 | 3 times |
| 2 | 特許7154019 | ＡＣ－ＡＣ電力変換装置 | 2 times |
| 3 | 特許6603959 | 多相ブラシレス直流モータ及びその駆動方法 | 2 times |
| 4 | 特開2015-092817 | 圧縮機 | 2 times |
| 5 | 特開2018-161043 | インバータシステム及びその制御方法 | 1 times |
Cited cases
Top Patents/Patent Applications with the Highest Number of Cited
Of the patent applications filed in the last 10 years (2014-12-01 to 2024-11-30), 3,273 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 2.4. The most cited patent is 特許6680053 "駆動装置、および、これを用いた電動パワーステアリング装置" (25 times) , and the next most cited patent is 特開2017-093178 "モータ制御用電源装置" (24 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6680053 | 駆動装置、および、これを用いた電動パワーステアリング装置 | 25 times |
| 2 | 特開2017-093178 | モータ制御用電源装置 | 24 times |
| 3 | 特開2020-014350 | 多相電動機駆動装置 | 22 times |
| 4 | 特許6919292 | スイッチング素子の駆動回路 | 20 times |
| 5 | 特許6104347 | 電力変換装置 | 20 times |
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