For the Inventor, By the Inventor

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Tochigi Nikon Corporation

USPTO Granted Patents = 2

EPO Patents = 1

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Kunihiko Shimizu (1 out of 11 patents)

Naoki Tsumura (1 out of 1 patent)

Kazushiro Fukushima (1 out of 1 patent)

4. Satoshi Waizumi (1 out of 1 patent)

5. Takehiro Koizumi (1 out of 1 patent)

6. Naoki Tsumura (0 patent)

2 patents: Sort by Forward Citations

1. 12099253 - Lens barrel (2024-09-24),

2. 7847931 - Measuring equipment (2010-12-07),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#29 in Tochigi

#10,964 in Japan

Tochigi Nikon Corporation

Forward Citations = 0

5 inventors:

Kunihiko Shimizu (1 out of 11 patents)

Naoki Tsumura (1 out of 1 patent)

Kazushiro Fukushima (1 out of 1 patent)

4. Satoshi Waizumi (1 out of 1 patent)

5. Takehiro Koizumi (1 out of 1 patent)

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