Growing community of inventors

Ibaraki-ken, Japan

Atsuhiko Umezawa

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 = 0

Atsuhiko Umezawa ↔ Sou Saitou (1 patent)Atsuhiko Umezawa ↔ Shinichi Iwase (1 patent)Atsuhiko UmezawaAtsuhiko Umezawa (1 patent)Sou SaitouSou Saitou (1 patent)Shinichi IwaseShinichi Iwase (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Auto Chemical Industry Co., Ltd. (1 from 3 patents)


1 patent:

1. 9605192 - Adhesive composition and production method thereof

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as of
12/20/2025
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