Growing community of inventors

Ibaraki, Japan

Rikichi Koike

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 = 13

Rikichi KoikeHideki Yagyu (1 patent)Rikichi KoikeMituharu Morozumi (1 patent)Rikichi KoikeYasumichi Ito (1 patent)Rikichi KoikeIkuo Seki (1 patent)Rikichi KoikeRikichi Koike (1 patent)Hideki YagyuHideki Yagyu (13 patents)Mituharu MorozumiMituharu Morozumi (6 patents)Yasumichi ItoYasumichi Ito (4 patents)Ikuo SekiIkuo Seki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asahi Glass Company, Limited (1 from 2,560 patents)

2. Hitachi Cable, Inc. (1 from 836 patents)


1 patent:

1. 4770937 - Fluorine-containing elastomeric electric insulating material and

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12/27/2025
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