日本製鉄株式会社 (JP Patent Analysis Report)
The Applicant / Patent Holder "日本製鉄株式会社" had 216 patent application filings in the most recent period (2023-01-01 to 2023-03-31). This is a weakly transition of -12 filings (-5.3%) over 228 they had in the same period of the previous year (2022-01-01 to 2022-03-31).
The highest number of filings in 2018 with 1,350 cases, and their lowest number in 2022 with 609 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 5,533 cases in total) is 922, and the median is 926. 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 | 922 patents |
| Std Dev | 359 |
| COV | 0.4 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 609 cases | -20.81 % |
| 2021 year | 769 cases | -29.06 % |
| 2020 year | 1,084 cases | -18.31 % |
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 日本製鉄株式会社 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 日本製鉄株式会社, 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 日本製鉄株式会社
- Search Set (Search Formula/Analysis Patents)
- Related Patent Analysis Report
- Competitors Information
- Top coapplicant 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.
日本製鉄株式会社, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of 日本製鉄株式会社 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 日本製鉄株式会社 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 日本製鉄株式会社 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 10,071 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.
日本製鉄株式会社
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 日本製鉄株式会社 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, JFEスチール株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 1,440 cases, followed by 日本製鉄株式会社 with 1,040 cases.
| Name | Cases |
|---|---|
| JFEスチール株式会社 | 1,440 cases |
| 日本製鉄株式会社 | 1,040 cases |
| 株式会社神戸製鋼所 | 382 cases |
Trends in filing of joint patent applications for the target period (2014 to 2024).
Comparing the number of applications of each company, 日本製鉄株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 10,071 cases, followed by JFEスチール株式会社 with 7,984 cases.
| Name | Cases |
|---|---|
| 日本製鉄株式会社 | 10,071 cases |
| JFEスチール株式会社 | 7,984 cases |
| 株式会社神戸製鋼所 | 4,300 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 3 companies in the same industry over the past 20 years.
Top coapplicant information (JP)
The changes in the number of patents shared with 日本製鉄株式会社’s top coapplicants are shown below.
By searching for the top coapplicants, you can discover what companies 日本製鉄株式会社 is partnered with to develop technologies and use this information for R&D and intellectual property strategies.
Also, by looking at the change in the number of filings, you can see what companies 日本製鉄株式会社 conducted joint research with in the past, and check the history of 日本製鉄株式会社’s alliances, partnerships, and joint research and development.
If you want to search for more detailed information, you can use Patent Integration to quickly find out specifically what company they filed a joint application with and what invention it was for.
Trends in filing of joint patent applications in the last 3 years (2022 to 2024).
Among the top coapplicants, 黒崎播磨株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 7 cases, followed by 日鉄エンジニアリング株式会社 with 6 cases.
| Name | Cases |
|---|---|
| 黒崎播磨株式会社 | 7 cases |
| 日鉄エンジニアリング株式会社 | 6 cases |
| 日鉄ケミカル&マテリアル株式会社 | 6 cases |
| トヨタ自動車株式会社 | 2 cases |
Trends in filing of joint patent applications for the target period (2014 to 2024).
Among the top coapplicants, 日鉄エンジニアリング株式会社 has the highest number of joint applications in the last for the target period (2014 to 2024) with 96 cases, followed by 黒崎播磨株式会社 with 73 cases.
| Name | Cases |
|---|---|
| 日鉄エンジニアリング株式会社 | 96 cases |
| 黒崎播磨株式会社 | 73 cases |
| 日鉄ケミカル&マテリアル株式会社 | 52 cases |
| トヨタ自動車株式会社 | 21 cases |
| 日鉄プラント設計株式会社 | 3 cases |
Top coapplicant, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by 日本製鉄株式会社’s top 6 coapplicants over the last 20 years.
Below is a patent map showing the changes in the numbers of JP patent filings by 日本製鉄株式会社’s top 6 coapplicants over the last 20 years.
Top coapplicant Details (JP)
Trends in filing of joint patent applications with 日鉄プラント設計株式会社
日本製鉄株式会社 filed 3 joint applications with 日鉄プラント設計株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 10 years (2013 to 2023, 4 cases in total) is 0.4, and the median is 0. The coefficient of variation (standard deviation/mean) is 1.8, and there have been very big fluctuations in the number of filings from year to year.
The highest number of filings in 2015 with 2 cases, and their lowest number in 2022 with 0 cases.
| Index | Value |
|---|---|
| Average | 0.4 patents |
| Std Dev | 0.6 |
| COV | 1.8 |
| Year | Cases | YOY |
|---|---|---|
| 2016 year | 1 cases | -50.0 % |
| 2015 year | 2 cases | - |
| 2014 year | 0 cases | -100 % |
Trends in filing of joint patent applications with 日鉄エンジニアリング株式会社
日本製鉄株式会社 filed 96 joint applications with 日鉄エンジニアリング株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 46 cases in total) is 7.7, and the median is 6.5. The coefficient of variation (standard deviation/mean) is 0.8, 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 2018 with 19 cases, and their lowest number in 2021 with 2 cases.
| Index | Value |
|---|---|
| Average | 7.7 patents |
| Std Dev | 6.2 |
| COV | 0.8 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 4 cases | +100 % |
| 2021 year | 2 cases | -77.8 % |
| 2020 year | 9 cases | -18.18 % |
Trends in filing of joint patent applications with 日鉄ケミカル&マテリアル株式会社
日本製鉄株式会社 filed 52 joint applications with 日鉄ケミカル&マテリアル株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 23 cases in total) is 3.8, and the median is 3.0. 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 2016 with 13 cases, and their lowest number in 2019 with 1 cases.
| Index | Value |
|---|---|
| Average | 3.8 patents |
| Std Dev | 2.5 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 4 cases | -33.3 % |
| 2021 year | 6 cases | +200 % |
| 2020 year | 2 cases | +100 % |
Trends in filing of joint patent applications with 黒崎播磨株式会社
日本製鉄株式会社 filed 73 joint applications with 黒崎播磨株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 30 cases in total) is 5.0, and the median is 4.5. The coefficient of variation (standard deviation/mean) is 0.6, and there have been relatively large fluctuations in the number of filings from year to year.
The number of filings has been decreasing for the last 3 years (2020 to 2023). The highest number of filings in 2017 with 13 cases, and their lowest number in 2021 with 2 cases.
| Index | Value |
|---|---|
| Average | 5.0 patents |
| Std Dev | 3.2 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 6 cases | +200 % |
| 2021 year | 2 cases | -33.3 % |
| 2020 year | 3 cases | -66.7 % |
Trends in filing of joint patent applications with トヨタ自動車株式会社
日本製鉄株式会社 filed 21 joint applications with トヨタ自動車株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 10 cases in total) is 1.7, and the median is 2.0. 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 2015 with 5 cases, and their lowest number in 2017 with 0 cases.
| Index | Value |
|---|---|
| Average | 1.7 patents |
| Std Dev | 0.9 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2022 year | 2 cases | 0 |
| 2021 year | 2 cases | +100 % |
| 2020 year | 1 cases | -50.0 % |
Information on important patents (JP)
The following shows JP patents held by 日本製鉄株式会社 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and 日本製鉄株式会社’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 日本製鉄株式会社 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 2 patents Invalidation Trial from third parties. The average number of Invalidation Trial is 1.5 times. The most recently Invalidation Trial patent is 特許5447167 "無方向性電磁鋼板およびその製造方法" (Invalidation Trial day 2024-06-21) , next is 特許6497176 "ロータ用無方向性電磁鋼板及びロータ用無方向性電磁鋼板の製造方法" (Invalidation Trial day 2023-06-01) .
| - | No. | Title | Invalidation Trial days |
|---|---|---|---|
| 1 | 特許5447167 | 無方向性電磁鋼板およびその製造方法 | 2024-06-21 |
| 2 | 特許6497176 | ロータ用無方向性電磁鋼板及びロータ用無方向性電磁鋼板の製造方法 | 2023-06-01 |
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 2.0. The most invalidation trial patent is 特許6497176 "ロータ用無方向性電磁鋼板及びロータ用無方向性電磁鋼板の製造方法" (2 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6497176 | ロータ用無方向性電磁鋼板及びロータ用無方向性電磁鋼板の製造方法 | 2 times |
Oppositioned cases
List of latest Oppositioned patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 42 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7452945 "化成処理めっき鋼板の製造方法及び製造設備" (Opposition day 2024-09-13) , next is 特許7448873 "無方向性電磁鋼板及びモータコア" (Opposition day 2024-09-09) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7452945 | 化成処理めっき鋼板の製造方法及び製造設備 | 2024-09-13 |
| 2 | 特許7448873 | 無方向性電磁鋼板及びモータコア | 2024-09-09 |
| 3 | 特許7445185 | 表面処理鋼材 | 2024-08-22 |
| 4 | 特許7422679 | ステータ用接着積層コアおよび回転電機 | 2024-07-16 |
| 5 | 特許7421315 | 耐火性モルタル、コークス炉の築炉方法及び耐火性モルタルの選定方法 | 2024-07-10 |
| 6 | 特許7401838 | 液体アンモニア中応力腐食割れ特性の評価方法 | 2024-06-19 |
| 7 | 特許7399360 | プロジェクション溶接継手の製造方法、プロジェクション溶接継手、及び自動車部品 | 2024-06-14 |
| 8 | 特許7364966 | 方向性電磁鋼板の製造方法 | 2024-04-11 |
| 9 | 特許7348466 | 高炉の操業方法及び銑鉄の製造方法 | 2024-03-19 |
| 10 | 特許7348467 | 高炉の操業方法及び銑鉄の製造方法 | 2024-03-19 |
Protested cases
List of latest Protested patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 77 patents Protest from third parties. The average number of Protest is 1.2 times. The most recently Protest patent is 特開2022-075490 "レーザスパッタ集塵装置及びレーザスパッタ集塵方法" (Protest day 2024-10-15) , next is 特開2023-053557 "塗装金属板" (Protest day 2024-09-03) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特開2022-075490 | レーザスパッタ集塵装置及びレーザスパッタ集塵方法 | 2024-10-15 |
| 2 | 特開2023-053557 | 塗装金属板 | 2024-09-03 |
| 3 | 特開2022-050246 | 液体金属脆化感受性の評価方法 | 2024-08-28 |
| 4 | 特開2024-025224 | チタン製釘およびチタン素材 | 2024-08-19 |
| 5 | 特開2022-048698 | 高炉の制御装置、高炉の操業方法、及びプログラム | 2024-07-24 |
| 6 | 特開2022-022915 | 鋼材 | 2024-07-03 |
| 7 | 特開2022-149559 | 接合構造、組立Ｈ形鋼および接合構造の施工方法 | 2024-06-20 |
| 8 | 特開2022-117222 | 鋼材、耐火被覆鋼材、構造物、鋼材の評価方法、および構造物の設計方法 | 2024-06-04 |
| 9 | 特開2022-097004 | 方向性電磁鋼板及びその製造方法 | 2024-05-27 |
| 10 | 特開2022-111782 | 熱延鋼帯、Ｈ形鋼、床構造、床構造の設計方法、及び床構造の施工方法 | 2024-05-15 |
| 11 | 特開2022-117223 | 耐火被覆梁 | 2024-04-17 |
| 12 | 特開2022-060749 | 方向性電磁鋼板の製造方法 | 2024-04-01 |
| 13 | 特許7575697 | 還元鉄の製造方法 | 2024-01-25 |
| 14 | 特許7529978 | 方向性電磁鋼板の製造方法 | 2024-01-11 |
| 15 | 特開2022-078567 | 表面処理金属板 | 2023-12-12 |
| 16 | 特開2022-108117 | 予測装置、学習装置、予測プログラム、及び学習プログラム | 2023-11-06 |
| 17 | 特許7529973 | ロータ用無方向性電磁鋼板およびその製造方法 | 2023-10-31 |
| 18 | 特許7568916 | 表面処理鋼材 | 2023-10-27 |
| 19 | 特許7560795 | 無方向性電磁鋼板、鉄心およびモータコア、ならびに鉄心およびモータコアの製造方法 | 2023-10-26 |
| 20 | 特許7510078 | 方向性電磁鋼板の製造方法 | 2023-10-10 |
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), 165 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6862657 "スライディングゲートプレート" (3 times) , and the next most protest patent is 特許6384603 "スポット溶接方法" (3 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6862657 | スライディングゲートプレート | 3 times |
| 2 | 特許6384603 | スポット溶接方法 | 3 times |
| 3 | 特開2022-050246 | 液体金属脆化感受性の評価方法 | 3 times |
| 4 | 特許6844110 | 一方向性電磁鋼板の製造方法及び一方向性電磁鋼板用原板の製造方法 | 2 times |
| 5 | 特許6575592 | 方向性電磁鋼板 | 2 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2021-12-01 ~ 2024-11-30), there were 84 patents Inspection from third parties. The average number of Inspection is 1.2 times. The most recently Inspection patent is 特開2022-075490 "レーザスパッタ集塵装置及びレーザスパッタ集塵方法" (Inspection day 2024-11-05) , next is 特開2023-053557 "塗装金属板" (Inspection day 2024-10-01) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特開2022-075490 | レーザスパッタ集塵装置及びレーザスパッタ集塵方法 | 2024-11-05 |
| 2 | 特開2023-053557 | 塗装金属板 | 2024-10-01 |
| 3 | 特開2022-050246 | 液体金属脆化感受性の評価方法 | 2024-09-05 |
| 4 | 特開2024-025224 | チタン製釘およびチタン素材 | 2024-08-27 |
| 5 | 特開2023-103826 | コークス炉燃焼室の異物破砕装置 | 2024-08-15 |
| 6 | 特開2022-048698 | 高炉の制御装置、高炉の操業方法、及びプログラム | 2024-07-30 |
| 7 | 特開2022-022915 | 鋼材 | 2024-07-24 |
| 8 | 特開2022-149559 | 接合構造、組立Ｈ形鋼および接合構造の施工方法 | 2024-06-25 |
| 9 | 特開2022-097004 | 方向性電磁鋼板及びその製造方法 | 2024-06-18 |
| 10 | 特開2022-117222 | 鋼材、耐火被覆鋼材、構造物、鋼材の評価方法、および構造物の設計方法 | 2024-06-11 |
| 11 | 特許5447167 | 無方向性電磁鋼板およびその製造方法 | 2024-06-03 |
| 12 | 特開2022-111782 | 熱延鋼帯、Ｈ形鋼、床構造、床構造の設計方法、及び床構造の施工方法 | 2024-05-21 |
| 13 | 特開2022-117223 | 耐火被覆梁 | 2024-04-23 |
| 14 | 特開2011-137776 | 傾斜測定装置 | 2024-04-17 |
| 15 | 特開2022-060749 | 方向性電磁鋼板の製造方法 | 2024-04-09 |
| 16 | 特許7575697 | 還元鉄の製造方法 | 2024-02-20 |
| 17 | 特許7529978 | 方向性電磁鋼板の製造方法 | 2024-02-06 |
| 18 | 特開2022-078567 | 表面処理金属板 | 2024-01-23 |
| 19 | 特開2022-108117 | 予測装置、学習装置、予測プログラム、及び学習プログラム | 2023-11-30 |
| 20 | 特許7560795 | 無方向性電磁鋼板、鉄心およびモータコア、ならびに鉄心およびモータコアの製造方法 | 2023-11-21 |
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), 248 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6575592 "方向性電磁鋼板" (4 times) , and the next most inspection patent is 特許6384603 "スポット溶接方法" (3 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6575592 | 方向性電磁鋼板 | 4 times |
| 2 | 特許6384603 | スポット溶接方法 | 3 times |
| 3 | 特開2022-022915 | 鋼材 | 3 times |
| 4 | 特開2022-050246 | 液体金属脆化感受性の評価方法 | 3 times |
| 5 | 特許6844110 | 一方向性電磁鋼板の製造方法及び一方向性電磁鋼板用原板の製造方法 | 2 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), 2,247 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6693217 "極低温用高Ｍｎ鋼材" (46 times) , and the next most cited patent is 特開2017-011863 "モータ鉄心用積層電磁鋼板およびその製造方法" (43 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6693217 | 極低温用高Ｍｎ鋼材 | 46 times |
| 2 | 特開2017-011863 | モータ鉄心用積層電磁鋼板およびその製造方法 | 43 times |
| 3 | 特許7057951 | 冷間圧延の前処理用組成物及び冷間圧延方法 | 36 times |
| 4 | 特許6620465 | ホットスタンプ用鋼板 | 30 times |
| 5 | 特許6524810 | 耐スポット溶接部破断特性に優れた鋼板及びその製造方法 | 28 times |
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