Growing community of inventors

Nobeokashi, Japan

Koichi Murayama

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 = 6

Koichi Murayama ↔ Koichi Yasui (1 patent)Koichi Murayama ↔ Taketoshi Honma (1 patent)Koichi Murayama ↔ Yoshio Nishi (1 patent)Koichi Murayama ↔ Tokuzo Asakusa (1 patent)Koichi Murayama ↔ Isao Hirashita (1 patent)Koichi MurayamaKoichi Murayama (1 patent)Koichi YasuiKoichi Yasui (3 patents)Taketoshi HonmaTaketoshi Honma (1 patent)Yoshio NishiYoshio Nishi (1 patent)Tokuzo AsakusaTokuzo Asakusa (1 patent)Isao HirashitaIsao Hirashita (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asahi Kasei Kogyo Kabushiki Kaisha (1 from 1,297 patents)


1 patent:

1. 3932584 - Method for purifying hydrogen sulfide-containing gas

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12/22/2025
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