Growing community of inventors

Sendai, Japan

Takuji Takeuchi

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 = 8

Takuji Takeuchi ↔ Keikichi Sugiyama (1 patent)Takuji Takeuchi ↔ Kenkichi Oba (1 patent)Takuji Takeuchi ↔ Chikara Sato (1 patent)Takuji TakeuchiTakuji Takeuchi (1 patent)Keikichi SugiyamaKeikichi Sugiyama (6 patents)Kenkichi ObaKenkichi Oba (2 patents)Chikara SatoChikara Sato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lion Corporation (1 from 271 patents)


1 patent:

1. 5126327 - Melanocyte-stimulating hormone inhibitor and external preparation

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1/23/2026
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