Growing community of inventors

Oita, Japan

Kouichi Yamamoto

Average Co-Inventor Count = 6.00

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 = 9

Kouichi Yamamoto ↔ Yutaka Yokoyama (1 patent)Kouichi Yamamoto ↔ Zenichiro Izumi (1 patent)Kouichi Yamamoto ↔ Satoru Ishigaki (1 patent)Kouichi Yamamoto ↔ Yukihiro Hisanaga (1 patent)Kouichi YamamotoKouichi Yamamoto (1 patent)Yutaka YokoyamaYutaka Yokoyama (65 patents)Zenichiro IzumiZenichiro Izumi (8 patents)Satoru IshigakiSatoru Ishigaki (2 patents)Yukihiro HisanagaYukihiro Hisanaga (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Showa Denko K.k. (1 from 1,960 patents)


1 patent:

1. 5354618 - Thermoplastic resin composition and paint-coated molded product thereof

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as of
12/16/2025
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