For the Inventor, By the Inventor

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Hitachi Electric Systems Co., Ltd.

USPTO Granted Patents = 3

Forward Citations = 16

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12 inventors (with patents filed for the assignee):

Noriaki Munakata (2 out of 4 patents)

Shigetoshi Oouchi (1 out of 3 patents)

Hideki Masuhara (1 out of 5 patents)

4. Youzou Sibata (1 out of 1 patent)

5. Yasuhiro Kawamura (1 out of 1 patent)

6. Yukio Kurosawa (1 out of 46 patents)

7. Haruo Honda (1 out of 11 patents)

8. Masaki Shinohara (1 out of 2 patents)

9. Naoyuki Yamamoto (1 out of 3 patents)

10. Nobuyuki Takeuchi (1 out of 1 patent)

11. Osamu Tsuji (1 out of 1 patent)

12. Akira Suzuki (1 out of 30 patents)

3 patents: Sort by Forward Citations

1. 7286337 - Switching device for power distribution (2007-10-23),

2. 6838631 - Power use circuit breaker and electrical circuit arrangement for electric power generation plant (2005-01-04),

3. 5448030 - Gas insulated circuit breaker (1995-09-05),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#66 in Ibaraki

#8,767 in Japan

Hitachi Electric Systems Co., Ltd.

Forward Citations = 16

12 inventors:

Noriaki Munakata (2 out of 4 patents)

Shigetoshi Oouchi (1 out of 3 patents)

Hideki Masuhara (1 out of 5 patents)

4. Youzou Sibata (1 out of 1 patent)

5. Yasuhiro Kawamura (1 out of 1 patent)

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