Growing community of inventors

Osaka, Japan

Koichi Hamada

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 = 0

Koichi HamadaMasumi Mizutani (1 patent)Koichi HamadaAkihiro Sagasaki (1 patent)Koichi HamadaYuji Higuchi (1 patent)Koichi HamadaKazuhisa Ikawa (1 patent)Koichi HamadaKoichi Hamada (1 patent)Masumi MizutaniMasumi Mizutani (4 patents)Akihiro SagasakiAkihiro Sagasaki (2 patents)Yuji HiguchiYuji Higuchi (2 patents)Kazuhisa IkawaKazuhisa Ikawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Osaka Gas Company Limited (1 from 352 patents)

2. Showa Water Industries Co., Ltd. (1 from 5 patents)


1 patent:

1. 7025898 - Heating medium composition, and method for feeding an oxidation inhibitor to a heat exchange apparatus

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12/6/2025
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