Growing community of inventors

Kawasaki, Japan

Akihiko Asayama

Average Co-Inventor Count = 5.00

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 = 18

Akihiko Asayama ↔ Yoshinori Suzuki (1 patent)Akihiko Asayama ↔ Isao Toyomoto (1 patent)Akihiko Asayama ↔ Takaharu Takahashi (1 patent)Akihiko Asayama ↔ Fumio Dohi (1 patent)Akihiko AsayamaAkihiko Asayama (1 patent)Yoshinori SuzukiYoshinori Suzuki (156 patents)Isao ToyomotoIsao Toyomoto (5 patents)Takaharu TakahashiTakaharu Takahashi (1 patent)Fumio DohiFumio Dohi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kowa Chemical Industry Ltd. (1 from 3 patents)


1 patent:

1. 4134956 - Method of forming a decorative layer on a precast concrete board

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12/14/2025
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