Growing community of inventors

Sakurai, Japan

Toru Tsubooka

Average Co-Inventor Count = 1.15

ph-index = 6

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 115

Toru TsubookaKimio Matsumoto (1 patent)Toru TsubookaMakoto Shinya (1 patent)Toru TsubookaNoboru Kawainshi (1 patent)Toru TsubookaToru Tsubooka (9 patents)Kimio MatsumotoKimio Matsumoto (7 patents)Makoto ShinyaMakoto Shinya (3 patents)Noboru KawainshiNoboru Kawainshi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yamamoto Kogaku Co., Ltd. (9 from 120 patents)


9 patents:

1. D525277 - Googles

2. 6704944 - Sports goggles

3. 6601240 - Goggles

4. D466542 - Swimming goggles

5. 6460196 - Goggles having V-shaped elastic coupling member

6. D461487 - Sunglasses

7. D457910 - Goggles

8. D440593 - Goggles

9. D413914 - Swimming goggles

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as of
12/14/2025
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