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Tokyo Electric Power Company Holdings, Inc.

USPTO Granted Patents = 19

EPO Patents = 8

Trademarks = 2

Forward Citations = 5

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90 inventors (with patents filed for the assignee):

Hiroaki Fujiura (2 out of 2 patents)

Masami Onishi (2 out of 2 patents)

Hirofumi Fujii (2 out of 2 patents)

4. Koichi Takeuchi (2 out of 2 patents)

5. Hiroaki Sato (2 out of 2 patents)

6. Junya Yamamoto (2 out of 2 patents)

7. Tomohiro Kubo (2 out of 2 patents)

8. Takashi Eguchi (2 out of 2 patents)

9. Masanori Endo (2 out of 2 patents)

10. Kenji Kitami (2 out of 2 patents)

11. Takaaki Hosaka (2 out of 2 patents)

12. Jun Inoue (2 out of 2 patents)

13. Kenichi Suzuki (2 out of 88 patents)

14. Naoto Maeda (2 out of 10 patents)

15. Kiyoshi Kanamura (2 out of 22 patents)

19 patents: Sort by Forward Citations

1. 12272952 - Power conversion device control system (2025-04-08),

2. 12247888 - Space temperature scanner and method for displaying space temperature (2025-03-11),

3. 12136496 - Alternative circulation cooling system for emergency core cooling system, and nuclear power plant (2024-11-05),

4. 11973417 - System interconnection power conversion device (2024-04-30),

5. 11418056 - Monitoring control system (2022-08-16),

6. 11346563 - Heat source system controlling device, heat source system, heat source system controlling method, and heat source system controlling program (2022-05-31),

7. 11011279 - Alternative circulation cooling method for emergency core cooling system, and nuclear power plant (2021-05-18),

8. 10992174 - Monitoring control system (2021-04-27),

9. 10862160 - All-solid-state lithium-sulfur battery and production method for same (2020-12-08),

10. 10686186 - Solid-state battery positive electrode material, production method for solid-state battery positive electrode material, all-solid-state lithium-sulfur battery using solid-state battery positive electrode material, and production method for all-solid-state lithium-sulfur battery using solid-state battery positive electrode material (2020-06-16),

11. 10680424 - Overhead wire damper (2020-06-09),

12. 10628976 - Information processing system, information processing method, and storage medium (2020-04-21),

13. 10605546 - Heat exchanger (2020-03-31),

14. 10566795 - Method for controlling storage battery system (2020-02-18),

15. 10288547 - Facility state analysis device, analysis method for facility state, storage medium, and facility management system (2019-05-14),

Tokyo Electric Power Company Holdings, Inc. (TEPCO) is a leading electric utility company in Japan. They provide electricity to the Tokyo metropolitan area and surrounding regions. With a focus on sustainable and reliable energy sources, TEPCO is committed to delivering safe and efficient power to its customers. Through continuous innovation and investment in renewable energy, TEPCO is contributing to the development of a low-carbon society. For more information, please visit their website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

19 Patents

#1,197 in Tokyo

#2,972 in Japan

#31,731 in the World

Tokyo Electric Power Company Holdings, Inc.

Forward Citations = 5

90 inventors:

Hiroaki Fujiura (2 out of 2 patents)

Masami Onishi (2 out of 2 patents)

Hirofumi Fujii (2 out of 2 patents)

4. Koichi Takeuchi (2 out of 2 patents)

5. Hiroaki Sato (2 out of 2 patents)

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