Growing community of inventors

Kanagawa, Japan

Takeshi Shiiki

Average Co-Inventor Count = 6.00

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 = 0

Takeshi Shiiki ↔ Kazumasa Aoki (2 patents)Takeshi Shiiki ↔ Yoshiharu Hiruma (2 patents)Takeshi Shiiki ↔ Akira Nakao (2 patents)Takeshi Shiiki ↔ Shimpei Hirano (2 patents)Takeshi Shiiki ↔ Kentoku Gotanda (2 patents)Takeshi ShiikiTakeshi Shiiki (2 patents)Kazumasa AokiKazumasa Aoki (35 patents)Yoshiharu HirumaYoshiharu Hiruma (13 patents)Akira NakaoAkira Nakao (12 patents)Shimpei HiranoShimpei Hirano (4 patents)Kentoku GotandaKentoku Gotanda (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daiichi Sankyo Company, Limited (2 from 441 patents)


2 patents:

1. 8183272 - Indanyl compounds

2. 8173631 - Cyclic amine compounds

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as of
1/8/2026
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