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Jig-saw Inc.

USPTO Granted Patents = 4

EPO Patents = 1

Trademarks = 1

Forward Citations = 0

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6 inventors (with patents filed for the assignee):

Tsuyoshi Fujii (2 out of 4 patents)

Hiroshi Tomita (1 out of 169 patents)

Eriko Sugano (1 out of 1 patent)

4. Toshiro Ishikawa (1 out of 2 patents)

5. Kazuhiro Ozuchi (1 out of 1 patent)

6. Daikazu Sato (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12502070 - System, method, and program for testing visual function of test animals (2025-12-23),

2. 12452547 - Information processing apparatus, information processing method, and program (2025-10-21),

3. 11928453 - Control method, control device, and system (2024-03-12),

4. 10924719 - Head mounted type video presenting device including visible light wavelength converting unit (2021-02-16),

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USPTO Data Jan 1 1976 - Dec 30 2025

4 Patents

#10 in

#7,425 in

Jig-saw Inc.

Forward Citations = 0

6 inventors:

Tsuyoshi Fujii (2 out of 4 patents)

Hiroshi Tomita (1 out of 169 patents)

Eriko Sugano (1 out of 1 patent)

4. Toshiro Ishikawa (1 out of 2 patents)

5. Kazuhiro Ozuchi (1 out of 1 patent)

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