通信用コイル・変成器技術 (JP Patent Analysis Report)
The Theme Code "通信用コイル・変成器技術" had 150 patent application filings in the most recent period (2023-01-01 to 2023-04-30). This is a small increased of +7 filings (4.9%) over 143 they had in the same period of the previous year (2022-01-01 to 2022-04-30).
The highest number of filings in 2017 with 624 cases, and their lowest number in 2023 with 204 cases.
The mean of the number of filings over the last 5 years (2019 to 2024, 2,111 cases in total) is 352, and the median is 408. 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 | 352 patents |
| Std Dev | 189 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 204 cases | -49.3 % |
| 2022 year | 402 cases | -2.66 % |
| 2021 year | 413 cases | -17.56 % |
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 通信用コイル・変成器技術[5E070] for the period of the last 10 years (2015-01-01 to 2024-12-31). 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 通信用コイル・変成器技術, 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 通信用コイル・変成器技術
- 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.
通信用コイル・変成器技術, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of 通信用コイル・変成器技術 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 通信用コイル・変成器技術 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 通信用コイル・変成器技術 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 4,307 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.
通信用コイル・変成器技術[5E070]
Same industry / competition company information (JP)
The patent information of the higher applicant in the technical theme 通信用コイル・変成器技術 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 (2023 to 2025).
Comparing the number of applications of each company, TDK株式会社 has the highest number of joint applications in the last in the last 3 years (2023 to 2025) with 67 cases, followed by 株式会社村田製作所 with 35 cases.
Trends in filing of joint patent applications for the target period (2015 to 2025).
Comparing the number of applications of each company, 株式会社村田製作所 has the highest number of joint applications in the last for the target period (2015 to 2025) with 1,312 cases, followed by TDK株式会社 with 882 cases.
| Name | Cases |
|---|---|
| 株式会社村田製作所 | 1,312 cases |
| TDK株式会社 | 882 cases |
| 太陽誘電株式会社 | 283 cases |
| サムソンエレクトロ-メカニックスカンパニーリミテッド | 238 cases |
| 株式会社トーキン | 59 cases |
| 三菱電機株式会社 | 38 cases |
| 株式会社東芝 | 29 cases |
| FDK株式会社 | 4 cases |
| パナソニックホールディングス株式会社 | 1 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 通信用コイル・変成器技術 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 (2023 to 2025).
among the top coapplicants, TDK株式会社 has the highest number of joint applications in the last in the last 3 years (2023 to 2025) with 67 cases, followed by 株式会社村田製作所 with 35 cases.
| Name | Cases |
|---|---|
| TDK株式会社 | 67 cases |
| 株式会社村田製作所 | 35 cases |
| サムソンエレクトロ-メカニックスカンパニーリミテッド | 33 cases |
| 太陽誘電株式会社 | 16 cases |
| 株式会社トーキン | 1 cases |
Trends in filing of joint patent applications for the target period (2015 to 2025).
among the top coapplicants, 株式会社村田製作所 has the highest number of joint applications in the last for the target period (2015 to 2025) with 1,312 cases, followed by TDK株式会社 with 882 cases.
| Name | Cases |
|---|---|
| 株式会社村田製作所 | 1,312 cases |
| TDK株式会社 | 882 cases |
| 太陽誘電株式会社 | 283 cases |
| サムソンエレクトロ-メカニックスカンパニーリミテッド | 238 cases |
| 株式会社トーキン | 59 cases |
| パナソニックホールディングス株式会社 | 1 cases |
Top company, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by 通信用コイル・変成器技術’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 通信用コイル・変成器技術’s top 7 coapplicants over the last 20 years.
Top company Details (JP)
Trends in filing of joint patent applications with 株式会社村田製作所
通信用コイル・変成器技術 filed 1,312 joint applications with 株式会社村田製作所 for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 659 cases in total) is 110, and the median is 127. 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 2019 with 194 cases, and their lowest number in 2023 with 34 cases.
| Index | Value |
|---|---|
| Average | 110 patents |
| Std Dev | 70.4 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 34 cases | -72.1 % |
| 2022 year | 122 cases | -7.58 % |
| 2021 year | 132 cases | -25.00 % |
Trends in filing of joint patent applications with TDK株式会社
通信用コイル・変成器技術 filed 882 joint applications with TDK株式会社 for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 511 cases in total) is 85.2, and the median is 99.5. 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 (2021 to 2024). The highest number of filings in 2022 with 125 cases, and their lowest number in 2023 with 67 cases.
| Index | Value |
|---|---|
| Average | 85.2 patents |
| Std Dev | 42.5 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 67 cases | -46.4 % |
| 2022 year | 125 cases | +4.17 % |
| 2021 year | 120 cases | +16.50 % |
Trends in filing of joint patent applications with 太陽誘電株式会社
通信用コイル・変成器技術 filed 283 joint applications with 太陽誘電株式会社 for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 164 cases in total) is 27.3, and the median is 31.5. 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 highest number of filings in 2020 with 48 cases, and their lowest number in 2023 with 16 cases.
| Index | Value |
|---|---|
| Average | 27.3 patents |
| Std Dev | 15.5 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 16 cases | -46.7 % |
| 2022 year | 30 cases | -9.09 % |
| 2021 year | 33 cases | -31.2 % |
Trends in filing of joint patent applications with 株式会社トーキン
通信用コイル・変成器技術 filed 59 joint applications with 株式会社トーキン for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 28 cases in total) is 4.7, and the median is 5.5. 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 number of filings has been decreasing for the last 3 years (2021 to 2024). The highest number of filings in 2015 with 10 cases, and their lowest number in 2023 with 1 cases.
| Index | Value |
|---|---|
| Average | 4.7 patents |
| Std Dev | 3.2 |
| COV | 0.7 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 1 cases | -85.7 % |
| 2022 year | 7 cases | +16.67 % |
| 2021 year | 6 cases | +20.00 % |
Trends in filing of joint patent applications with サムソンエレクトロ-メカニックスカンパニーリミテッド
通信用コイル・変成器技術 filed 238 joint applications with サムソンエレクトロ-メカニックスカンパニーリミテッド for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 78 cases in total) is 13.0, and the median is 13.0. 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 number of filings has been increasing for the last 3 years (2021 to 2024). The highest number of filings in 2017 with 62 cases, and their lowest number in 2021 with 2 cases.
| Index | Value |
|---|---|
| Average | 13.0 patents |
| Std Dev | 8.8 |
| COV | 0.7 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 25 cases | +19.05 % |
| 2022 year | 21 cases | +950 % |
| 2021 year | 2 cases | -50.0 % |
Information on important patents (JP)
The following shows JP patents held by 通信用コイル・変成器技術 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and 通信用コイル・変成器技術’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 通信用コイル・変成器技術 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 (2022-01-01 ~ 2024-12-31), there were 6 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6620957 "ワイヤハーネス" (Invalidation Trial day 2024-07-31) , next is 特許6839396 "ワイヤハーネス" (Invalidation Trial day 2024-07-31) .
| - | No. | Title | Invalidation Trial days |
|---|---|---|---|
| 1 | 特許6620957 | ワイヤハーネス | 2024-07-31 |
| 2 | 特許6839396 | ワイヤハーネス | 2024-07-31 |
| 3 | 特許6519898 | ワイヤハーネス及び電磁波抑制部材 | 2024-07-26 |
| 4 | 特許6350769 | ワイヤハーネス及び電磁波抑制部材 | 2024-07-26 |
| 5 | 特許6311847 | ワイヤハーネス及び電磁波抑制部材 | 2024-07-24 |
| 6 | 特許6462780 | 無線電力受信装置及びその製造方法 | 2023-05-09 |
Top Patents/Patent Applications with the Highest Number of Invalidationed Trial
Of the patent applications filed in the last 10 years (2015-01-01 to 2024-12-31), 6 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6462780 "無線電力受信装置及びその製造方法" (1 times) , and the next most invalidation trial patent is 特許6311847 "ワイヤハーネス及び電磁波抑制部材" (1 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6462780 | 無線電力受信装置及びその製造方法 | 1 times |
| 2 | 特許6311847 | ワイヤハーネス及び電磁波抑制部材 | 1 times |
| 3 | 特許6519898 | ワイヤハーネス及び電磁波抑制部材 | 1 times |
| 4 | 特許6620957 | ワイヤハーネス | 1 times |
| 5 | 特許6350769 | ワイヤハーネス及び電磁波抑制部材 | 1 times |
Oppositioned cases
List of latest Oppositioned patents
In the last 3 years (2022-01-01 ~ 2024-12-31), there were 2 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7091622 "コイル装置" (Opposition day 2022-12-16) , next is 特許6915317 "点灯装置" (Opposition day 2022-01-26) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7091622 | コイル装置 | 2022-12-16 |
| 2 | 特許6915317 | 点灯装置 | 2022-01-26 |
Protested cases
List of latest Protested patents
In the last 3 years (2022-01-01 ~ 2024-12-31), there were 8 patents Protest from third parties. The average number of Protest is 1.4 times. The most recently Protest patent is 特許7078194 "電子部品の電極形成用導電性樹脂組成物" (Protest day 2024-06-20) , next is 特開2020-088353 "積層セラミック電子部品の端子電極用導電性ペースト" (Protest day 2024-04-11) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特許7078194 | 電子部品の電極形成用導電性樹脂組成物 | 2024-06-20 |
| 2 | 特開2020-088353 | 積層セラミック電子部品の端子電極用導電性ペースト | 2024-04-11 |
| 3 | 特許7548378 | インダクタ部品及びインダクタ構造体 | 2023-10-27 |
| 4 | 特許7392743 | 磁性ペースト | 2023-03-08 |
| 5 | 特開2021-086967 | ノイズフィルタ | 2023-02-27 |
| 6 | 特許7268520 | 磁性粉末、磁性粉末の製造方法、圧粉磁心およびコイル部品 | 2022-10-28 |
| 7 | 特許7511324 | インダクタ成形用樹脂組成物および一体型インダクタ | 2022-05-19 |
| 8 | 特許7420534 | 軟磁性合金粉及びその製造方法、並びに軟磁性合金粉から作られるコイル部品及びそれを載せた回路基板 | 2022-01-17 |
Top Patents/Patent Applications with the Highest Number of Protested
Of the patent applications filed in the last 10 years (2015-01-01 to 2024-12-31), 12 patents/patent applications were protest more than once in the examination process of other patent applications. The mean of the number of protest is 1.3. The most protest patent is 特開2020-088353 "積層セラミック電子部品の端子電極用導電性ペースト" (3 times) , and the next most protest patent is 特許6508023 "電子部品及び電子部品の製造方法" (2 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特開2020-088353 | 積層セラミック電子部品の端子電極用導電性ペースト | 3 times |
| 2 | 特許6508023 | 電子部品及び電子部品の製造方法 | 2 times |
| 3 | 特許7392743 | 磁性ペースト | 2 times |
| 4 | 特許7078915 | 共振素子、フィルタ、およびダイプレクサ | 1 times |
| 5 | 特許7420534 | 軟磁性合金粉及びその製造方法、並びに軟磁性合金粉から作られるコイル部品及びそれを載せた回路基板 | 1 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2022-01-01 ~ 2024-12-31), there were 15 patents Inspection from third parties. The average number of Inspection is 1.5 times. The most recently Inspection patent is 特許7078194 "電子部品の電極形成用導電性樹脂組成物" (Inspection day 2024-06-26) , next is 特開2020-088353 "積層セラミック電子部品の端子電極用導電性ペースト" (Inspection day 2024-04-22) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特許7078194 | 電子部品の電極形成用導電性樹脂組成物 | 2024-06-26 |
| 2 | 特開2020-088353 | 積層セラミック電子部品の端子電極用導電性ペースト | 2024-04-22 |
| 3 | 特開2019-036702 | コイル部品 | 2024-03-21 |
| 4 | 特許7548378 | インダクタ部品及びインダクタ構造体 | 2023-11-01 |
| 5 | 特許7387862 | デジタル移相器 | 2023-04-25 |
| 6 | 特許7382481 | デジタル移相回路 | 2023-04-25 |
| 7 | 特許7383783 | デジタル移相回路 | 2023-04-25 |
| 8 | 特許7392743 | 磁性ペースト | 2023-03-23 |
| 9 | 特開2021-086967 | ノイズフィルタ | 2023-03-22 |
| 10 | 特許7382417 | 高電力両面薄膜フィルタ | 2022-12-13 |
| 11 | 特許7268520 | 磁性粉末、磁性粉末の製造方法、圧粉磁心およびコイル部品 | 2022-11-22 |
| 12 | 特許7420534 | 軟磁性合金粉及びその製造方法、並びに軟磁性合金粉から作られるコイル部品及びそれを載せた回路基板 | 2022-10-14 |
| 13 | 特許6462780 | 無線電力受信装置及びその製造方法 | 2022-08-12 |
| 14 | 特許7511324 | インダクタ成形用樹脂組成物および一体型インダクタ | 2022-05-30 |
| 15 | 特許7078915 | 共振素子、フィルタ、およびダイプレクサ | 2022-01-17 |
Top Patents/Patent Applications with the Highest Number of Inspectioned
Of the patent applications filed in the last 10 years (2015-01-01 to 2024-12-31), 30 patents/patent applications were inspection more than once in the examination process of other patent applications. The mean of the number of inspection is 1.5. The most inspection patent is 特許7163565 "コイル部品" (4 times) , and the next most inspection patent is 特開2020-088353 "積層セラミック電子部品の端子電極用導電性ペースト" (4 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許7163565 | コイル部品 | 4 times |
| 2 | 特開2020-088353 | 積層セラミック電子部品の端子電極用導電性ペースト | 4 times |
| 3 | 特許7176174 | コイル部品用コア、及び、コイル部品 | 3 times |
| 4 | 特許7392743 | 磁性ペースト | 3 times |
| 5 | 特開2019-036702 | コイル部品 | 2 times |
Cited cases
Top Patents/Patent Applications with the Highest Number of Cited
Of the patent applications filed in the last 10 years (2015-01-01 to 2024-12-31), 1,387 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 3.5. The most cited patent is 特許6520875 "インダクタ部品およびインダクタ部品内蔵基板" (47 times) , and the next most cited patent is 特許6561745 "インダクタ部品、パッケージ部品およびスィッチングレギュレータ" (42 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6520875 | インダクタ部品およびインダクタ部品内蔵基板 | 47 times |
| 2 | 特許6561745 | インダクタ部品、パッケージ部品およびスィッチングレギュレータ | 42 times |
| 3 | 特許6508126 | コイル部品 | 35 times |
| 4 | 特開2016-197624 | インダクタ部品、インダクタ部品の製造方法、インダクタ部品を内蔵するプリント配線板 | 34 times |
| 5 | 特許6935343 | インダクタ部品およびその製造方法 | 32 times |
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