Growing community of inventors

Haga-gun, Japan

Koichi Ashima

Average Co-Inventor Count = 2.00

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

Koichi AshimaEtsuo Okahara (1 patent)Koichi AshimaKoichi Ashima (1 patent)Etsuo OkaharaEtsuo Okahara (10 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Kumi Kasei Co., Ltd. (1 from 6 patents)


1 patent:

1. 10377107 - Structure body and the manufacturing method

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12/12/2025
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