Growing community of inventors

Kosai, Japan

Yuichiro Kumakura

Average Co-Inventor Count = 3.00

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 = 19

Yuichiro KumakuraTakanori Kawai (1 patent)Yuichiro KumakuraYoshihiko Nakahama (1 patent)Yuichiro KumakuraYuichiro Kumakura (1 patent)Takanori KawaiTakanori Kawai (11 patents)Yoshihiko NakahamaYoshihiko Nakahama (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yazaki Corporation (1 from 8,196 patents)


1 patent:

1. 7434814 - Waterproof grommet

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12/6/2025
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