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Yokohama, Japan

Mitsubishi Power, Ltd.

USPTO Granted Patents = 221

% Expired Patents = 4.1

CIPO Patents = 4

EPO Patents = 72

Trademarks = 24

Forward Citations = 149

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510 inventors (with patents filed for the assignee):

Shinya Hashimoto (11 out of 53 patents)

Keijiro Saito (10 out of 36 patents)

Toyoharu Nishikawa (10 out of 19 patents)

4. Katsuhisa Hamada (10 out of 27 patents)

5. Yoshihiro Kuwamura (9 out of 43 patents)

6. Satoshi Hada (8 out of 66 patents)

7. Satoshi Takiguchi (8 out of 35 patents)

8. Kenji Miyamoto (8 out of 71 patents)

9. Shinji Akamatsu (7 out of 44 patents)

10. Satoshi Tanimura (7 out of 49 patents)

11. Kenta Taniguchi (6 out of 28 patents)

12. Yoshinori Koyama (6 out of 38 patents)

13. Yuichiro Waki (6 out of 21 patents)

14. Tetsuya Shimmyo (6 out of 8 patents)

15. Hidekazu Uehara (6 out of 47 patents)

Core Competencies:

Gas Turbine

Combustor

Turbine Blade

Hybrid Power Generation

Steam Turbine

Flue Gas Treatment

High-Temperature Components

Fuel Cell Systems

Combined Cycle Plant

Rotary Machine

Desulfurization Device

Acoustic Device

221 patents: Sort by Forward Citations

1. 12283837 - Secondary battery management system, secondary battery management method and secondary battery management program for said secondary battery management system, and secondary battery system (2025-04-21),

2. 11988102 - Method of cleaning blade of rotary device (2024-05-21),

3. 11920486 - High-temperature component and method of producing the high-temperature component (2024-03-05),

4. 11834969 - Steam turbine plant and control device, and water quality management method for steam turbine plant (2023-12-05),

5. 11834962 - Turbine stator vane, gas turbine, and method of producing turbine stator vane (2023-12-05),

6. 11746663 - High-temperature component and method of producing the high-temperature component (2023-09-05),

7. 11732644 - Organic Rankine Cycle for combined-cycle power plant (2023-08-22),

8. 11702944 - High-temperature component, production method for high-temperature component, and flow rate control method (2023-07-18),

9. 11441774 - Method for operating flue gas purification system (2022-09-13),

10. 11441428 - Turbine blade and steam turbine including the same (2022-09-13),

11. 11437634 - Fuel cell system, hybrid power generation system, and control method for fuel cell system (2022-09-06),

12. 11428409 - Combustor and gas turbine including the same (2022-08-30),

13. D960833 - Seal plate for rotary machine (2022-08-16),

14. 11415078 - Combined power generation plant and combined power generation plant control method (2022-08-16),

15. 11384938 - Burner, burner system, integrated gasification combined cycle, and method for moving burner (2022-07-12),

Company Overview

Mitsubishi Power, Ltd., headquartered in Yokohama, Japan, specializes in advanced gas turbine technology and energy solutions. The company focuses on the development and manufacturing of high-efficiency gas turbines, combustors, and turbine blades, contributing to hybrid power generation and steam turbine systems. Additionally, Mitsubishi Power is engaged in flue gas treatment and the production of high-temperature components, as well as innovative fuel cell systems, positioning itself as a leader in sustainable energy technologies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

221 Patents

#17 in Yokohama

#663 in Japan

#3,877 in the World

Yokohama, Japan

Mitsubishi Power, Ltd.

Forward Citations = 149

510 inventors:

Shinya Hashimoto (11 out of 53 patents)

Keijiro Saito (10 out of 36 patents)

Toyoharu Nishikawa (10 out of 19 patents)

4. Katsuhisa Hamada (10 out of 27 patents)

5. Yoshihiro Kuwamura (9 out of 43 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mitsubishi Power, Ltd.. Retrieved from https://idiyas.com/company/mitsubishi-power

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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