Growing community of inventors

Osaka, Japan

Koichi Izumiya

Average Co-Inventor Count = 4.00

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 IzumiyaHiroyuki Takano (2 patents)Koichi IzumiyaHiroyuki Shinomiya (2 patents)Koichi IzumiyaMasahiro Yamaki (2 patents)Koichi IzumiyaKoichi Izumiya (2 patents)Hiroyuki TakanoHiroyuki Takano (18 patents)Hiroyuki ShinomiyaHiroyuki Shinomiya (5 patents)Masahiro YamakiMasahiro Yamaki (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Zosen Corporation (2 from 278 patents)


2 patents:

1. 11807590 - Methane production system

2. 11065590 - Gas generation device and gas generation method

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as of
12/8/2025
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