For the Inventor, By the Inventor

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Nirec Corporation

USPTO Granted Patents = 3

Forward Citations = 0

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10 inventors (with patents filed for the assignee):

Haruyasu Katahira (2 out of 2 patents)

Tetsuo Sumida (2 out of 2 patents)

Takayuki Sato (1 out of 12 patents)

4. Shigehiro Kanayama (1 out of 3 patents)

5. Hiroki Watanabe (1 out of 15 patents)

6. Jun Otake (1 out of 2 patents)

7. Ichiro Kitani (1 out of 1 patent)

8. Hiromi Sato (1 out of 1 patent)

9. Eiji Ototsuki (1 out of 4 patents)

10. Yuichi Takenaga (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12727744 - Beam-shaping lens, beam-shaping element, light source device for an endoscope, and endoscope (2026-09-08),

2. 11653821 - Endoscope and handle operation unit (2023-05-23),

3. 11369254 - Endoscope and image capturing unit provided therein (2022-06-28),

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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#8 in Kochi

#8,997 in Japan

Nirec Corporation

Forward Citations = 0

10 inventors:

Haruyasu Katahira (2 out of 2 patents)

Tetsuo Sumida (2 out of 2 patents)

Takayuki Sato (1 out of 12 patents)

4. Shigehiro Kanayama (1 out of 3 patents)

5. Hiroki Watanabe (1 out of 15 patents)

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