Growing community of inventors

Obtake, Japan

Hisaya Yokohama

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 = 4

Hisaya Yokohama ↔ Naoki Yamamoto (1 patent)Hisaya Yokohama ↔ Akira Yanagase (1 patent)Hisaya YokohamaHisaya Yokohama (1 patent)Naoki YamamotoNaoki Yamamoto (63 patents)Akira YanagaseAkira Yanagase (39 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mrc Techno Co., Ltd. (1 from 1 patent)


1 patent:

1. 5064887 - Flame retardant polyphenylene ether resin composition

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as of
12/11/2025
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