Growing community of inventors

Tokyo, Japan

Fumio Tutumi

Average Co-Inventor Count = 2.00

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 = 2

Fumio TutumiToshiyuki Hayakawa (1 patent)Fumio TutumiFumio Tutumi (1 patent)Toshiyuki HayakawaToshiyuki Hayakawa (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Jsr Corporation (1 from 1,058 patents)


1 patent:

1. 6525150 - Olefin polymerization catalysts and olefin polymer production methods using said olefin polymerization catalysts

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as of
12/7/2025
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