Growing community of inventors

Higashiosaka, Japan

Kazuto Yasuhara

Average Co-Inventor Count = 1.41

ph-index = 8

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 = 405

Kazuto YasuharaShinichi Hadehara (4 patents)Kazuto YasuharaKatsuya Takeshi (1 patent)Kazuto YasuharaNaoya Aoyama (1 patent)Kazuto YasuharaKenji Okui (1 patent)Kazuto YasuharaKazuto Yasuhara (12 patents)Shinichi HadeharaShinichi Hadehara (10 patents)Katsuya TakeshiKatsuya Takeshi (6 patents)Naoya AoyamaNaoya Aoyama (5 patents)Kenji OkuiKenji Okui (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yamamoto Kogaku Co., Ltd. (12 from 120 patents)


12 patents:

1. D633937 - Goggles

2. D620515 - Swimming goggles

3. D609735 - Eyeglasses

4. D609266 - Sunglasses

5. D605686 - Pair of eyeglasses

6. D603444 - Sunglasses

7. D593592 - Sunglasses

8. 7490934 - Eyewear end piece

9. D519146 - Sunglasses

10. 6460996 - Eyeglasses

11. D440594 - Eyeglass frame

12. D439599 - Sunglasses

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as of
12/13/2025
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