Growing community of inventors

Tokyo, Japan

Yukio Yamakawa

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 6

Yukio Yamakawa ↔ Kazunori Shinohara (1 patent)Yukio YamakawaYukio Yamakawa (1 patent)Kazunori ShinoharaKazunori Shinohara (15 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bridgestone Corporation (1 from 5,119 patents)


1 patent:

1. D349477 - Automobile tire

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as of
12/17/2025
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