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Shikoku Electric Power Co., Inc.

USPTO Granted Patents = 17

EPO Patents = 5

Forward Citations = 133

where 'Filed Patents' based on already Granted Patents

where 'Inventors Filed' based on already Granted Patents

119 inventors (with patents filed for the assignee):

Yoshinori Koyama (3 out of 38 patents)

Kenji Kamei (3 out of 26 patents)

Hiroki Ito (3 out of 56 patents)

4. Masayuki Hatano (3 out of 5 patents)

5. Suenobu Hamano (3 out of 8 patents)

6. Naoaki Takeji (3 out of 3 patents)

7. Etsuo Nitta (3 out of 3 patents)

8. Takashi Moriyama (3 out of 14 patents)

9. Katsuhiko Yokohama (2 out of 17 patents)

10. Yasunari Shibata (2 out of 21 patents)

11. Shuji Kameyama (2 out of 2 patents)

12. Katuo Sugawara (2 out of 19 patents)

13. Etsunori Mori (2 out of 8 patents)

14. Shigeo Shiono (2 out of 11 patents)

15. Kazuhiko Arai (2 out of 7 patents)

17 patents: Sort by Forward Citations

1. 9239164 - Slag monitoring device for coal gasifier and coal gasifier (2016-01-19),

2. 8997665 - Slag-melting burner apparatus (2015-04-07),

3. 8637784 - Method for improving residual stress in tubular body (2014-01-28),

4. 7871586 - Mercury removal system and method (2011-01-18),

5. 7780143 - Gate valve (2010-08-24),

6. 7712095 - Remote control server, center server, and system constituted them (2010-05-04),

7. 5837953 - DC circuit breaking device (1998-11-17),

8. 5737162 - Circuit breaking device (1998-04-07),

9. 5717583 - Power converter control apparatus for controlling commutation of (1998-02-10),

10. 5668691 - Arrangement for gas circuit breaker with reactor and capacitor connected (1997-09-16),

11. 5341059 - Superconducting bearing unit and operating method thereof (1994-08-23),

12. 5224512 - Valve stem driving apparatus (1993-07-06),

13. 5162964 - Connection control device for controlling the connection of small (1992-11-10),

14. 4883185 - Suspension type transporter for a bolt drawing machine and positioning (1989-11-28),

15. 4502320 - Method and apparatus for diagnosing oil-filled electric apparatus (1985-03-05),

Shikoku Electric Power Co., Inc. is a leading electric utility company in Japan, serving the Shikoku region. The company is committed to providing safe, reliable, and sustainable energy solutions to its customers. With a focus on innovation and environmental stewardship, Shikoku Electric Power Co., Inc. is dedicated to powering a brighter future for communities in the region.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

17 Patents

#8 in Kagawa

#3,157 in Japan

#34,814 in the World

Shikoku Electric Power Co., Inc.

Forward Citations = 133

119 inventors:

Yoshinori Koyama (3 out of 38 patents)

Kenji Kamei (3 out of 26 patents)

Hiroki Ito (3 out of 56 patents)

4. Masayuki Hatano (3 out of 5 patents)

5. Suenobu Hamano (3 out of 8 patents)

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