Growing community of inventors

Kurobe, Japan

Yohei Koyama

Average Co-Inventor Count = 4.00

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 = 0

Yohei KoyamaZhiyu Ren (1 patent)Yohei KoyamaTakayuki Matsui (1 patent)Yohei KoyamaJun Hashizume (1 patent)Yohei KoyamaYohei Koyama (1 patent)Zhiyu RenZhiyu Ren (14 patents)Takayuki MatsuiTakayuki Matsui (4 patents)Jun HashizumeJun Hashizume (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ykk Corporation (1 from 1,383 patents)


1 patent:

1. 11528966 - Molded surface fastener and manufacturing method of molded surface fastener

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12/20/2025
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