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Tohoku Electric Power Company, Inc.

USPTO Granted Patents = 66

% Expired Patents = 7.6

EPO Patents = 11

Forward Citations = 533

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238 inventors (with patents filed for the assignee):

Sakari Ohira (10 out of 12 patents)

Shoji Tanaka (7 out of 79 patents)

Tatsuo Ishiguro (5 out of 45 patents)

4. Satoshi Mizukami (5 out of 19 patents)

5. Kazumasa Takata (5 out of 9 patents)

6. Junichiro Masada (5 out of 18 patents)

7. Yuya Fukunaga (5 out of 7 patents)

8. Yoshiaki Nishimura (5 out of 6 patents)

9. Takehiko Moriya (5 out of 7 patents)

10. Fujio Sumi (5 out of 6 patents)

11. Seiji Adachi (5 out of 12 patents)

12. Kazuyuki Isawa (5 out of 5 patents)

13. Masaki Satoh (4 out of 19 patents)

14. Norio Oogai (4 out of 4 patents)

15. Souji Hasegawa (4 out of 4 patents)

Core Competencies:

Gas Turbine

Power Distribution

Photovoltaic Power

Voltage Adjustment

Cooling Structure

Load Leveling

Slag Monitoring

Superconductors

Waste Plastic Conversion

Radio Communication

Thermal Fatigue Prevention

Signal Transmission

66 patents: Sort by Forward Citations

1. 10309245 - Gas turbine and operating method thereof (2019-06-04),

2. 10247030 - Gas turbine and operating method thereof (2019-04-02),

3. 10211777 - Photovoltaic power generator output estimation method and device, and power system monitoring device using same (2019-02-19),

4. 9951644 - Gas turbine and operating method thereof (2018-04-24),

5. 9606554 - Voltage adjustment device for power distribution system, voltage adjusting method, and power control system (2017-03-28),

6. 9512781 - Cooling structure for recovery-type air-cooled gas turbine combustor (2016-12-06),

7. 9478986 - Load leveling system of power system (2016-10-25),

8. 9459591 - Multipoint simultaneous measurement method and multipoint simultaneous measurement system in electric power station, and internal clock used therefor (2016-10-04),

9. 9303378 - Foreign-object offshore processing system (2016-04-05),

10. 9284403 - Method to produce semi-crystalline polylactides (2016-03-15),

11. 9255490 - Gas turbine and operating method thereof (2016-02-09),

12. 9239164 - Slag monitoring device for coal gasifier and coal gasifier (2016-01-19),

13. 9056946 - Method for producing polylactic acid (2015-06-16),

14. 8997665 - Slag-melting burner apparatus (2015-04-07),

15. 8637784 - Method for improving residual stress in tubular body (2014-01-28),

Tohoku Electric Power Company, Inc. is an electric utility company based in Japan. They operate and provide electricity to the Tohoku region, covering six northeastern prefectures of Japan. With a focus on providing reliable and sustainable energy, TOHOKU ELECTRIC POWER COMPANY, INC. plays a critical role in supporting the economic and social development of the region. Visit their website to learn more about their services, initiatives, and commitment to clean energy.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 8 2026

Tohoku Electric Power Company, Inc.

66 Patents

#5 in Sendai

#1,454 in Japan

#11,133 in the World

Tohoku Electric Power Company, Inc.

Forward Citations = 533

238 inventors:

Sakari Ohira (10 out of 12 patents)

Shoji Tanaka (7 out of 79 patents)

Tatsuo Ishiguro (5 out of 45 patents)

4. Satoshi Mizukami (5 out of 19 patents)

5. Kazumasa Takata (5 out of 9 patents)

Please report any incorrect information to [email protected]

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