For the Inventor, By the Inventor

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Light Optical Works, Ltd.

USPTO Granted Patents = 7

EPO Patents = 2

Forward Citations = 4

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10 inventors (with patents filed for the assignee):

Kan Hanaoka (4 out of 4 patents)

Takashi Abe (3 out of 14 patents)

Masatomi Iwanami (3 out of 3 patents)

4. Kensuke Sakai (3 out of 3 patents)

5. Kenichi Seki (2 out of 5 patents)

6. Toru Murakami (2 out of 2 patents)

7. Masaki Imai (1 out of 1 patent)

8. Hidemi Oguchi (1 out of 1 patent)

9. Tsutomu Akiba (1 out of 1 patent)

10. Wataru Kawai (1 out of 1 patent)

11. Katsuji Urai (0 patent)

7 patents: Sort by Forward Citations

1. 12723843 - Optical sight and information display method (2026-09-01),

2. 12644667 - Reticle unit and optical sighting device (2026-06-02),

3. 12529542 - Optical sighting device (2026-01-20),

4. 12360355 - Optical device and method of manufacturing tubular part-using product (2025-07-15),

5. 12007580 - Reticle unit and optical sighting device (2024-06-11),

6. 11768056 - Optical sight (2023-09-26),

7. 11604344 - Dot sight (2023-03-14),

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USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#74 in Nagano

#5,450 in Japan

Light Optical Works, Ltd.

Forward Citations = 4

10 inventors:

Kan Hanaoka (4 out of 4 patents)

Takashi Abe (3 out of 14 patents)

Masatomi Iwanami (3 out of 3 patents)

4. Kensuke Sakai (3 out of 3 patents)

5. Kenichi Seki (2 out of 5 patents)

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