調節弁 (JP Patent Analysis Report)
The Technical Field "調節弁" had 281 patent application filings in the most recent period (2023-01-01 to 2023-04-30). This is a with an decreasing trend transition of -54 filings (-16.1%) over 335 they had in the same period of the previous year (2022-01-01 to 2022-04-30). This report also includes technical terms related to " コントロールバルブ ", " コントロール弁 ", " 制御バルブ ", " 制御弁 ", " 制御用バルブ ", " 制御用弁 ", " 自動調節バルブ ", " 自動調節弁 ", " 調整バルブ ", " 調整弁 ", " 調整用バルブ ", " 調整用弁 ", " 調節バルブ ", " 調節用バルブ ", " 調節用弁 " in the search set.
The highest number of filings in 2017 with 1,691 cases, and their lowest number in 2023 with 459 cases.
The mean of the number of filings over the last 5 years (2019 to 2024, 4,826 cases in total) is 804, and the median is 964. 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 | 804 patents |
| Std Dev | 429 |
| COV | 0.5 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 459 cases | -52.0 % |
| 2022 year | 956 cases | -1.54 % |
| 2021 year | 971 cases | -7.17 % |
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 調節弁 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 調節弁, 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.
調節弁, Changes in the Number of JP Patents/Patent Applications
The changes in the number of patent filings of 調節弁 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 11,391 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.
調節弁
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 調節弁 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 (2023 to 2025).
Comparing the number of applications of each company, 三菱重工業株式会社 has the highest number of joint applications in the last in the last 3 years (2023 to 2025) with 23 cases, followed by 日立建機株式会社 with 15 cases.
Trends in filing of joint patent applications for the target period (2015 to 2025).
Comparing the number of applications of each company, トヨタ自動車株式会社 has the highest number of joint applications in the last for the target period (2015 to 2025) with 432 cases, followed by 日立建機株式会社 with 298 cases.
| Name | Cases |
|---|---|
| トヨタ自動車株式会社 | 432 cases |
| 日立建機株式会社 | 298 cases |
| 株式会社デンソー | 265 cases |
| 株式会社クボタ | 214 cases |
| 三菱電機株式会社 | 212 cases |
| 本田技研工業株式会社 | 189 cases |
| 三菱重工業株式会社 | 176 cases |
| マツダ株式会社 | 159 cases |
| 日産自動車株式会社 | 138 cases |
| 株式会社東芝 | 78 cases |
| 株式会社日立製作所 | 40 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 調節弁 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 (2023 to 2025).
Among the top coapplicants, 三菱重工業株式会社 has the highest number of joint applications in the last in the last 3 years (2023 to 2025) with 23 cases, followed by トヨタ自動車株式会社 with 12 cases.
| Name | Cases |
|---|---|
| 三菱重工業株式会社 | 23 cases |
| トヨタ自動車株式会社 | 12 cases |
| 日産自動車株式会社 | 9 cases |
| 本田技研工業株式会社 | 5 cases |
| 株式会社デンソー | 1 cases |
| 株式会社日立製作所 | 1 cases |
| 株式会社東芝 | 1 cases |
Trends in filing of joint patent applications for the target period (2015 to 2025).
Among the top coapplicants, トヨタ自動車株式会社 has the highest number of joint applications in the last for the target period (2015 to 2025) with 432 cases, followed by 株式会社デンソー with 265 cases.
| Name | Cases |
|---|---|
| トヨタ自動車株式会社 | 432 cases |
| 株式会社デンソー | 265 cases |
| 本田技研工業株式会社 | 189 cases |
| 三菱重工業株式会社 | 176 cases |
| 日産自動車株式会社 | 138 cases |
| 株式会社東芝 | 78 cases |
| 株式会社日立製作所 | 40 cases |
Top company, Change in the Number of JP Patents
Below is a ranking of the number of JP patent applications by 調節弁’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 調節弁’s top 7 coapplicants over the last 20 years.
Top company Details (JP)
Trends in filing of joint patent applications with トヨタ自動車株式会社
調節弁 filed 432 joint applications with トヨタ自動車株式会社 for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 143 cases in total) is 23.8, and the median is 26.5. 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 highest number of filings in 2015 with 81 cases, and their lowest number in 2023 with 12 cases.
| Index | Value |
|---|---|
| Average | 23.8 patents |
| Std Dev | 14.5 |
| COV | 0.6 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 12 cases | -50.0 % |
| 2022 year | 24 cases | -17.24 % |
| 2021 year | 29 cases | -35.6 % |
Trends in filing of joint patent applications with 株式会社デンソー
調節弁 filed 265 joint applications with 株式会社デンソー for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 80 cases in total) is 13.3, and the median is 13.0. The coefficient of variation (standard deviation/mean) is 1.0, 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 2017 with 61 cases, and their lowest number in 2023 with 1 cases.
| Index | Value |
|---|---|
| Average | 13.3 patents |
| Std Dev | 12.9 |
| COV | 1.0 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 1 cases | -92.9 % |
| 2022 year | 14 cases | +16.67 % |
| 2021 year | 12 cases | -14.29 % |
Trends in filing of joint patent applications with 日産自動車株式会社
調節弁 filed 138 joint applications with 日産自動車株式会社 for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 52 cases in total) is 8.7, and the median is 8.0. 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 2015 with 26 cases, and their lowest number in 2021 with 6 cases.
| Index | Value |
|---|---|
| Average | 8.7 patents |
| Std Dev | 6.0 |
| COV | 0.7 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 9 cases | +28.57 % |
| 2022 year | 7 cases | +16.67 % |
| 2021 year | 6 cases | -40.0 % |
Trends in filing of joint patent applications with 株式会社日立製作所
調節弁 filed 40 joint applications with 株式会社日立製作所 for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 13 cases in total) is 2.2, and the median is 1.0. The coefficient of variation (standard deviation/mean) is 1.2, and there have been very 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 2017 with 10 cases, and their lowest number in 2023 with 1 cases.
| Index | Value |
|---|---|
| Average | 2.2 patents |
| Std Dev | 2.7 |
| COV | 1.2 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 1 cases | -87.5 % |
| 2022 year | 8 cases | +300 % |
| 2021 year | 2 cases | +100 % |
Trends in filing of joint patent applications with 株式会社東芝
調節弁 filed 78 joint applications with 株式会社東芝 for the analysis period (2015 to 2025).
The mean of the number of filings over the last 5 years (2019 to 2024, 31 cases in total) is 5.2, and the median is 5.0. 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 highest number of filings in 2015 with 19 cases, and their lowest number in 2023 with 1 cases.
| Index | Value |
|---|---|
| Average | 5.2 patents |
| Std Dev | 3.9 |
| COV | 0.8 |
| Year | Cases | YOY |
|---|---|---|
| 2023 year | 1 cases | -75.0 % |
| 2022 year | 4 cases | -60.0 % |
| 2021 year | 10 cases | +66.7 % |
Information on important patents (JP)
The following shows JP patents held by 調節弁 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and 調節弁’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 調節弁 is placed (e.g., whether it is a fiercely competitive environment or an oligopolistic market and the like). In general, it can be understood that a company with a large number of demands for invalidation trials is developing their business in a business environment where IP disputes are common.
If you want to search for more detailed information, you can use Patent Integration to retrieve and download by company cited patents/patent applications or patents undergoing invalidation trials. You can quickly extract important patents from a patent set that includes multiple competitors by cross-referencing with other keywords and patent classifications. Please consider using it for searches for important patents/patent applications.
Glossary
- Cited
- Indicates that the patent/patent application has been cited (by Examiners) in notices of reasons for rejection in the examination process of other (Japanese, U.S., or European) patent applications. The higher the number of citations, the more important the patent/patent application is considered to be.
- Request for invalidation trial
- Indicates that a third party has requested a procedure to invalidate the patent. It is likely to affect the business of third parties and is considered to be of high importance.
- Opposition
- Indicates that a third party has filed a petition with the Patent Office to hear the validity of the patent again. Like the trial for invalidation, it is considered to be of high importance.
- Information provision
- Indicates that a third party has provided the Patent Office with useful information for examination for the patent filed. It is usually considered to be of high importance because it is done to prevent the patent from being granted.
- Browsing request
- Indicates that a third party has requested the Patent Office to view the patent bag (a set of documents exchanged between the Patent Office and the applicant). The bag is often checked prior to trial for invalidation, opposition, and provision of information, and is considered to be a highly important patent.
Invalidationed Trial cases
Top Patents/Patent Applications with the Highest Number of Invalidationed Trial
Of the patent applications filed in the last 10 years (2015-01-01 to 2024-12-31), 1 patents/patent applications were invalidation trial more than once in the examination process of other patent applications. The mean of the number of invalidation trial is 1.0. The most invalidation trial patent is 特許6331164 "水道配管における漏水位置検知装置" (1 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許6331164 | 水道配管における漏水位置検知装置 | 1 times |
Oppositioned cases
List of latest Oppositioned patents
In the last 3 years (2022-01-01 ~ 2024-12-31), there were 13 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7526870 "ソレノイド、減衰力調整機構および減衰力調整式緩衝器" (Opposition day 2024-10-30) , next is 特許7530340 "作業機の油圧システム" (Opposition day 2024-10-07) .
| - | No. | Title | Opposition days |
|---|---|---|---|
| 1 | 特許7526870 | ソレノイド、減衰力調整機構および減衰力調整式緩衝器 | 2024-10-30 |
| 2 | 特許7530340 | 作業機の油圧システム | 2024-10-07 |
| 3 | 特許7454074 | ガスタービン設備、及びガスタービンの制御方法 | 2024-09-24 |
| 4 | 特許7438979 | 空気供給回路 | 2024-08-21 |
| 5 | 特許7409580 | 炉温制御装置、炉温制御方法及びコークスの製造方法 | 2024-07-09 |
| 6 | 特許7369158 | アンモニア燃料ボイラ、及び、アンモニア供給システム | 2024-04-25 |
| 7 | 特許7336595 | 冷凍サイクル装置 | 2024-01-04 |
| 8 | 特許7260925 | 液体処理ノズル | 2023-08-01 |
| 9 | 特許7208971 | 延長チューブポートプローブへのアクセスが改善された統合型末梢静脈内カテーテル | 2023-07-18 |
| 10 | 特許7217756 | 減衰力調整式緩衝器およびソレノイド | 2023-06-30 |
Protested cases
List of latest Protested patents
In the last 3 years (2022-01-01 ~ 2024-12-31), there were 29 patents Protest from third parties. The average number of Protest is 1.4 times. The most recently Protest patent is 特開2022-143665 "加水分解連続処理装置及び加水分解連続処理方法" (Protest day 2024-09-03) , next is 特開2023-002461 "基板処理装置及び静電チャック" (Protest day 2024-08-21) .
| - | No. | Title | Protest days |
|---|---|---|---|
| 1 | 特開2022-143665 | 加水分解連続処理装置及び加水分解連続処理方法 | 2024-09-03 |
| 2 | 特開2023-002461 | 基板処理装置及び静電チャック | 2024-08-21 |
| 3 | 特開2023-113490 | 燃料電池システム | 2024-08-19 |
| 4 | 特開2023-053967 | 減衰力調整式緩衝器およびソレノイド | 2024-07-24 |
| 5 | 特開2023-094313 | 蒸気タービンの安全装置 | 2024-06-28 |
| 6 | 特表2024-519684 | 流量調節弁 | 2024-06-24 |
| 7 | 特許7610866 | 流量調整弁 | 2024-04-22 |
| 8 | 特開2022-179779 | 湯水混合栓 | 2024-03-19 |
| 9 | 特表2023-544974 | 流量調節弁 | 2024-02-19 |
| 10 | 特表2023-544973 | 流量調節弁 | 2023-12-22 |
| 11 | 特許7348856 | トンネル掘削機 | 2023-06-27 |
| 12 | 特許7603341 | 流量制御弁 | 2023-06-19 |
| 13 | 特許7576389 | フロー式有機合成方法 | 2023-04-19 |
| 14 | 特開2021-099145 | 電動流量調節弁 | 2023-04-19 |
| 15 | 特許7298580 | 冷凍サイクル装置 | 2023-04-05 |
| 16 | 特許7340030 | 電子膨張弁及び冷却システム | 2023-02-17 |
| 17 | 特許7373123 | 排水管用圧力調整弁 | 2023-01-12 |
| 18 | 特許7217756 | 減衰力調整式緩衝器およびソレノイド | 2022-12-26 |
| 19 | 特開2022-175837 | 超純水製造方法及び装置 | 2022-12-23 |
| 20 | 特開2021-075640 | 水を含む流体と接触し得る車両用冷却系部品 | 2022-12-19 |
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), 77 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 特許7576389 "フロー式有機合成方法" (3 times) , and the next most protest patent is 特許7217756 "減衰力調整式緩衝器およびソレノイド" (3 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許7576389 | フロー式有機合成方法 | 3 times |
| 2 | 特許7217756 | 減衰力調整式緩衝器およびソレノイド | 3 times |
| 3 | 特許6546747 | 流量調整弁 | 3 times |
| 4 | 特許7050347 | 流量調整弁 | 3 times |
| 5 | 特許6914006 | 整圧装置 | 2 times |
Inspectioned cases
List of latest Inspectioned patents
In the last 3 years (2022-01-01 ~ 2024-12-31), there were 34 patents Inspection from third parties. The average number of Inspection is 1.5 times. The most recently Inspection patent is 特開2022-143665 "加水分解連続処理装置及び加水分解連続処理方法" (Inspection day 2024-09-27) , next is 特開2024-120247 "作業機械の制御システム及び作業機械の制御方法" (Inspection day 2024-09-12) .
| - | No. | Title | Inspection days |
|---|---|---|---|
| 1 | 特開2022-143665 | 加水分解連続処理装置及び加水分解連続処理方法 | 2024-09-27 |
| 2 | 特開2024-120247 | 作業機械の制御システム及び作業機械の制御方法 | 2024-09-12 |
| 3 | 特開2023-113490 | 燃料電池システム | 2024-09-10 |
| 4 | 特開2023-002461 | 基板処理装置及び静電チャック | 2024-09-02 |
| 5 | 特開2023-053967 | 減衰力調整式緩衝器およびソレノイド | 2024-08-08 |
| 6 | 特開2023-169241 | 一酸化窒素供給システム | 2024-06-10 |
| 7 | 特開2022-091773 | 患者の呼吸回路の吸気肢部における呼吸ガス内に治療ガスを供給するシステムの作動方法 | 2024-06-10 |
| 8 | 特許7610866 | 流量調整弁 | 2024-05-09 |
| 9 | 特開2023-155199 | 暖房および／または冷房システムにおける流量調節用弁 | 2024-05-02 |
| 10 | 特開2022-179779 | 湯水混合栓 | 2024-04-01 |
| 11 | 特開2023-044710 | 高速サンプリング用大口径水銀捕集管とそれを用いた気相ガス状水銀の自動連続高速サンプリング・濃縮法、及びその手法を用いた自動サンプリング装置 | 2023-10-03 |
| 12 | 特許7348856 | トンネル掘削機 | 2023-07-18 |
| 13 | 特許7603341 | 流量制御弁 | 2023-07-06 |
| 14 | 特許7217756 | 減衰力調整式緩衝器およびソレノイド | 2023-06-08 |
| 15 | 特許7576389 | フロー式有機合成方法 | 2023-05-19 |
| 16 | 特許7298580 | 冷凍サイクル装置 | 2023-05-10 |
| 17 | 特許6366742 | 空気調和装置 | 2023-04-27 |
| 18 | 特許7603731 | 極低温ポンプのクールダウンのための装置及び方法 | 2023-04-03 |
| 19 | 特許5431435 | 自動式の潤滑装置 | 2023-03-17 |
| 20 | 特許7581149 | 一酸化窒素供給システム及び一酸化窒素供給方法 | 2023-02-14 |
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), 107 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7217756 "減衰力調整式緩衝器およびソレノイド" (4 times) , and the next most inspection patent is 特許6294243 "天然ガス燃料の供給装置および方法" (4 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特許7217756 | 減衰力調整式緩衝器およびソレノイド | 4 times |
| 2 | 特許6294243 | 天然ガス燃料の供給装置および方法 | 4 times |
| 3 | 特許6887872 | 制御バルブ | 3 times |
| 4 | 特許7576389 | フロー式有機合成方法 | 3 times |
| 5 | 特許7610866 | 流量調整弁 | 3 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), 2,670 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 2.3. The most cited patent is 特開2018-040385 "電磁弁" (32 times) , and the next most cited patent is 特許6500186 "可変容量圧縮機用制御弁" (30 times) .
| - | No. | Title | |
|---|---|---|---|
| 1 | 特開2018-040385 | 電磁弁 | 32 times |
| 2 | 特許6500186 | 可変容量圧縮機用制御弁 | 30 times |
| 3 | 特許7281285 | 濃度制御装置、及び、ゼロ点調整方法、濃度制御装置用プログラム | 30 times |
| 4 | 特許7079068 | 火力発電プラント、ボイラ及びボイラの改造方法 | 29 times |
| 5 | 特許6714274 | 可変容量圧縮機用制御弁 | 25 times |
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