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Tohoku Seimitsu Co., Ltd.

USPTO Granted Patents = 1

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Norio Shiraiwa (1 out of 15 patents)

Syuuichi Andou (1 out of 1 patent)

Kenji Takatsuka (1 out of 1 patent)

4. Katsuhiro Kosuga (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 10847401 - Wafer holding apparatus and baseplate structure (2020-11-24),

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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#11 in Iwate

#15,549 in Japan

Tohoku Seimitsu Co., Ltd.

Forward Citations = 0

4 inventors:

Norio Shiraiwa (1 out of 15 patents)

Syuuichi Andou (1 out of 1 patent)

Kenji Takatsuka (1 out of 1 patent)

4. Katsuhiro Kosuga (1 out of 1 patent)

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