Growing community of inventors

Hofu, Japan

Hisao Tanaka

Average Co-Inventor Count = 3.00

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

Hisao Tanaka ↔ Kuniaki Sakato (1 patent)Hisao Tanaka ↔ Shinichiro Hamada (1 patent)Hisao TanakaHisao Tanaka (1 patent)Kuniaki SakatoKuniaki Sakato (3 patents)Shinichiro HamadaShinichiro Hamada (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kyowa Hakko Kogyo Co., Ltd. (1 from 730 patents)


1 patent:

1. 4582801 - Process for producing glutathione

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12/16/2025
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