Growing community of inventors

Chigasaki, Japan

Norimichi Koizumi

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 = 26

Norimichi Koizumi ↔ Kenichi Tomita (1 patent)Norimichi Koizumi ↔ Masaru Suetsugu (1 patent)Norimichi Koizumi ↔ Minoru Fukuda (1 patent)Norimichi Koizumi ↔ Takao Higashi (1 patent)Norimichi KoizumiNorimichi Koizumi (1 patent)Kenichi TomitaKenichi Tomita (20 patents)Masaru SuetsuguMasaru Suetsugu (19 patents)Minoru FukudaMinoru Fukuda (8 patents)Takao HigashiTakao Higashi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shiseido Company, Limited (1 from 1,008 patents)


1 patent:

1. 4829187 - UV-ray sensitive composition and element for measuring UV-ray dose

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12/11/2025
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