For the Inventor, By the Inventor

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The Kansai Electric

USPTO Granted Patents = 1

Forward Citations = 23

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7 inventors (with patents filed for the assignee):

Akio Ito (1 out of 38 patents)

Hiroto Nakagawa (1 out of 23 patents)

Yasuteru Oono (1 out of 10 patents)

4. Eiji Haraguchi (1 out of 7 patents)

5. Hiroshi Sugisaka (1 out of 4 patents)

6. Shigeaki Hayashi (1 out of 3 patents)

7. Hidenori Sawa (1 out of 2 patents)

1 patent: Sort by Forward Citations

1. 4812729 - Protecting apparatus for secondary excitation type variable speed AC (1989-03-14),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#5,742 in Tokyo

#15,559 in Japan

The Kansai Electric

Forward Citations = 23

7 inventors:

Akio Ito (1 out of 38 patents)

Hiroto Nakagawa (1 out of 23 patents)

Yasuteru Oono (1 out of 10 patents)

4. Eiji Haraguchi (1 out of 7 patents)

5. Hiroshi Sugisaka (1 out of 4 patents)

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