For the Inventor, By the Inventor

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Kanagawa, Japan

Optotechno Co., Ltd.

USPTO Granted Patents = 2

Forward Citations = 4

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8 inventors (with patents filed for the assignee):

Masaaki Sato (2 out of 60 patents)

Yasuharu Yamada (1 out of 31 patents)

Yutaka Hayashi (1 out of 42 patents)

4. Hirofumi Yoshihara (1 out of 2 patents)

5. Yoshiki Maeyashiki (1 out of 3 patents)

6. Hideyuki Harada (1 out of 1 patent)

7. Akihiro Kasai (1 out of 1 patent)

8. Mitsuru Inoue (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5905282 - Multi-terminal surge protection device (1999-05-18),

2. 5486709 - Surge protection device (1996-01-23),

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#354 in Kanagawa

#10,966 in Japan

Kanagawa, Japan

Optotechno Co., Ltd.

Forward Citations = 4

8 inventors:

Masaaki Sato (2 out of 60 patents)

Yasuharu Yamada (1 out of 31 patents)

Yutaka Hayashi (1 out of 42 patents)

4. Hirofumi Yoshihara (1 out of 2 patents)

5. Yoshiki Maeyashiki (1 out of 3 patents)

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