Growing community of inventors

Itano, Japan

Tadanao Shibutani

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 = 29

Tadanao Shibutani ↔ Masatoshi Inai (1 patent)Tadanao Shibutani ↔ Jun Kanaya (1 patent)Tadanao Shibutani ↔ Akie Tanaka (1 patent)Tadanao Shibutani ↔ Masako Moritake (1 patent)Tadanao ShibutaniTadanao Shibutani (1 patent)Masatoshi InaiMasatoshi Inai (8 patents)Jun KanayaJun Kanaya (3 patents)Akie TanakaAkie Tanaka (1 patent)Masako MoritakeMasako Moritake (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Otsuka Pharmaceutical Factory, Inc. (1 from 188 patents)


1 patent:

1. 5496844 - Indole derivatives

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as of
12/17/2025
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