Growing community of inventors

Sakai, Japan

Yoshiro Yamato

Average Co-Inventor Count = 1.00

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 = 77

Yoshiro YamatoYoshiro Yamato (10 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Shimano Industrial Co., Ltd. (7 from 444 patents)

2. Shimano Inc. (3 from 3,300 patents)


10 patents:

1. 5291683 - Fishing rod

2. 5222319 - Fishing rod with reel holding portion

3. 5189824 - Fishing rod

4. 5175952 - Fishing rod and method of manufacturing same

5. 4918852 - Fixture for a fishing reel

6. 4903427 - Fishing rod

7. 4888906 - Fishing line guide

8. 4870774 - Fishing rod

9. 4864764 - Fishing reel fixture

10. 4860482 - Fishing rod

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as of
12/16/2025
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