Growing community of inventors

Kamakura, Japan

Shigeki Itou

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 = 1

Shigeki Itou ↔ Kiyotaka Ohno (1 patent)Shigeki Itou ↔ Takashi Endoh (1 patent)Shigeki Itou ↔ Atsushi Ohtake (1 patent)Shigeki Itou ↔ Kazuhiro Hoshi (1 patent)Shigeki ItouShigeki Itou (1 patent)Kiyotaka OhnoKiyotaka Ohno (13 patents)Takashi EndohTakashi Endoh (11 patents)Atsushi OhtakeAtsushi Ohtake (7 patents)Kazuhiro HoshiKazuhiro Hoshi (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toray Industries, Inc. (1 from 3,481 patents)


1 patent:

1. 5086071 - 2,5,6,7-tetranor-4,8-inter-m-phenylene PGI.sub.2 derivatives

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as of
1/8/2026
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