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For the Inventor, By the Inventor

Kanagawa, Japan

Mitsubishi Hitachi Power Systems, Ltd.


USPTO Granted Patents = 651



Trademarks = 16

Forward Citations = 1,087

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1,005 inventors (with patents filed for the assignee):

goldMedal Hiroharu Oyama (27 out of 32 patents)

silverMedal Seiji Kagawa (21 out of 45 patents)

bronzeMedal Shinya Hashimoto (20 out of 53 patents)

4.  Yoshihiro Kuwamura (19 out of 43 patents)

5.  Naoyuki Kamiyama (19 out of 36 patents)

6.  Shinya Imano (17 out of 52 patents)

7.  Yoshinori Koyama (15 out of 38 patents)

8.  Toshihiro Fukuda (15 out of 59 patents)

9.  Shinji Akamatsu (15 out of 44 patents)

10.  Kazuyuki Matsumoto (14 out of 45 patents)

11.  Shin Nishimoto (14 out of 51 patents)

12.  Tomomi Koganezawa (14 out of 40 patents)

13.  Hidekazu Uehara (13 out of 47 patents)

14.  Yoshinori Tanaka (13 out of 199 patents)

15.  Keijiro Saito (12 out of 36 patents)


Core Competencies:
Gas Turbine
Combustor
Steam Turbine
Gasification
Rotary Machine
Cobalt Alloy
Fuel Control
Power Generation
Boiler Technology
Cutting Tools
Solar Heat Collection
Vertical Roller Mill

651 patents:

1. 11131201 - Rotor blade, rotor unit, and rotating machine (2021-09-28),
2. 10876481 - Seal segment and rotary machine (2020-12-29),
3. 10858993 - Variable vane device maintenance method and variable vane device (2020-12-08),
4. 10857595 - Cobalt based alloy additive manufactured article, cobalt based alloy product, and method for manufacturing same (2020-12-08),
5. 10850331 - Cutting tool and method for machining annular groove (2020-12-01),
6. 10844753 - Boiler, steam-generating plant provided with same, and method for operating boiler (2020-11-24),
7. 10837642 - Combustor nozzle, gas turbine combustor, gas turbine, cover ring, and combustor nozzle manufacturing method (2020-11-17),
8. 10837365 - Combustor panel, combustor, combustion device, gas turbine, and method of cooling combustor panel (2020-11-17),
9. 10836567 - Pulverized-fuel supply unit and method, and integrated gasification combined cycle (2020-11-17),
10. 10822984 - Sealing device (2020-11-03),
11. 10816198 - Combustor and gas turbine (2020-10-27),
12. 10815905 - Fuel control method for gas turbine, control device for executing said method, and gas turbine installation provided with said control device (2020-10-27),
13. 10808191 - Gasification apparatus, control device, integrated gasification combined cycle, and control method (2020-10-20),
14. 10804549 - Power generation system and method for operating power generation system (2020-10-13),
15. 10794296 - Gas turbine combustor and method of operating the same (2020-10-06),
Mitsubishi Hitachi Power Systems, Ltd. (MHPS) is a global leader in the design, manufacturing, and servicing of power generation equipment and systems. With a focus on innovative and sustainable solutions, MHPS provides a wide range of products including gas turbines, steam turbines, boilers, and power plant solutions. The company is committed to delivering advanced technologies that contribute to a low-carbon society and the efficient use of resources. MHPS works closely with customers to provide customized solutions that meet their specific energy needs.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

651 Patents

#5 in Kanagawa

#304 in Japan

#1,479 in the World

...
Kanagawa, Japan

Mitsubishi Hitachi Power Systems, Ltd.

Forward Citations = 1,087

1,005 inventors:

goldMedal Hiroharu Oyama (27 out of 32 patents)

silverMedal Seiji Kagawa (21 out of 45 patents)

bronzeMedal Shinya Hashimoto (20 out of 53 patents)

4.  Yoshihiro Kuwamura (19 out of 43 patents)

5.  Naoyuki Kamiyama (19 out of 36 patents)

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