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Forward Citations = 91

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14 inventors (with patents filed for the assignee):

Fumihiko Ishikawa (2 out of 10 patents)

Masato Murakami (1 out of 38 patents)

Naomichi Sakai (1 out of 13 patents)

4. Hiromasa Higasa (1 out of 9 patents)

5. Hiroshi Takaichi (1 out of 9 patents)

6. Motoaki Shibayama (1 out of 1 patent)

7. Takenori Tada (1 out of 1 patent)

8. Terutsugu Oyama (1 out of 1 patent)

9. Motoaki Shibayama (1 out of 4 patents)

10. Seiichi Sakai (1 out of 3 patents)

11. Hamao Onishi (1 out of 1 patent)

12. Masaru Ukawa (1 out of 1 patent)

13. Osamu Masada (1 out of 1 patent)

14. Masahide Takahashi (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5541497 - Power storing apparatus (1996-07-30),

2. 5521150 - Method of joining Y-based oxide superconductors (1996-05-28),

3. 5313130 - Superconduction bearing (1994-05-17),

4. 4697136 - Inverter system for inputting alternating current and direct current in (1987-09-29),

5. 4636931 - Photovoltaic power control system (1987-01-13),

Shikoku Denryoku Kabushiki Kaisha, also known as Yonden, is a leading electric utility company in Japan. Yonden provides electricity to the Shikoku region and is committed to delivering high-quality and reliable energy services to its customers. With a focus on sustainability and innovation, Yonden strives to contribute to the local community and protect the environment through its power generation and distribution operations.

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USPTO Data Jan 1 1976 - Jan 6 2026

5 Patents

#16 in Kagawa

#6,491 in Japan

Kagawa, Japan

Shikoku Denryoku Kabushiki Kaisha