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Tokyo Denryoku Kabushiki Kaisha

USPTO Granted Patents = 10

Forward Citations = 141

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24 inventors (with patents filed for the assignee):

Toshio Takagi (3 out of 13 patents)

Tetsuo Matsushima (2 out of 12 patents)

Tomoyoshi Ochiai (2 out of 3 patents)

4. Takeshi Hayashi (2 out of 2 patents)

5. Mituhiro Furuse (2 out of 2 patents)

6. Minoru Iwasaki (2 out of 2 patents)

7. Fumio Andow (2 out of 17 patents)

8. Kunio Takahashi (1 out of 3 patents)

9. Shiro Seki (1 out of 1 patent)

10. Akihiro Ito (1 out of 1 patent)

11. Eiichi Zaima (1 out of 1 patent)

12. Yoichi Murakami (1 out of 2 patents)

13. Eiichi Haginomori (1 out of 7 patents)

14. Shinichi Menju (1 out of 3 patents)

15. Kaoru Koyanagi (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 4329637 - Control apparatus for a synchronous machine (1982-05-11),

2. 4328556 - Control system of plants by means of electronic computers (1982-05-04),

3. 4313169 - Fault detecting system for locating a fault point with a fault (1982-01-26),

4. 4231258 - Method and apparatus for detecting foreign matters in gas sealed (1980-11-04),

5. 4075697 - Apparatus for monitoring two electric quantities by combining three (1978-02-21),

6. 4073009 - Apparatus for calculating amplitude values of sinusoidal waves (1978-02-07),

7. 4073008 - Apparatus for calculating amplitude values (1978-02-07),

8. 4006348 - Apparatus for monitoring two electric quantities by combining three (1977-02-01),

9. 3972470 - Electric power system supervisory control system comprising A/D (1976-08-03),

10. 3949374 - Arrangement for supplying input signals to central processing units (1976-04-06),

Tokyo Denryoku Kabushiki Kaisha, also known as Tokyo Electric Power Company, is a major electric utility company in Japan. With a history dating back to 1883, it provides electricity to the Kanto region, including Tokyo. The company is committed to delivering reliable and affordable energy solutions to its customers while promoting sustainability and environmental responsibility.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

10 Patents

#1,690 in Tokyo

#4,283 in Japan

#54,238 in the World

Tokyo Denryoku Kabushiki Kaisha

Forward Citations = 141

24 inventors:

Toshio Takagi (3 out of 13 patents)

Tetsuo Matsushima (2 out of 12 patents)

Tomoyoshi Ochiai (2 out of 3 patents)

4. Takeshi Hayashi (2 out of 2 patents)

5. Mituhiro Furuse (2 out of 2 patents)

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