Growing community of inventors

Toyonaka, Japan

Toshifumi Shiraga

Average Co-Inventor Count = 4.00

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 = 7

Toshifumi Shiraga ↔ Akira Tanaka (1 patent)Toshifumi Shiraga ↔ Kouji Hattori (1 patent)Toshifumi Shiraga ↔ Hiromichi Itani (1 patent)Toshifumi ShiragaToshifumi Shiraga (1 patent)Akira TanakaAkira Tanaka (60 patents)Kouji HattoriKouji Hattori (15 patents)Hiromichi ItaniHiromichi Itani (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujisawa Pharmaceutical Company, Ltd. (1 from 940 patents)


1 patent:

1. 6303649 - Naphthalene derivatives

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as of
12/19/2025
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