Growing community of inventors

Osaka, Japan

Keiichiro Hirai

Average Co-Inventor Count = 3.00

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

Keiichiro HiraiTomoyuki Ogawa (2 patents)Keiichiro HiraiHiroyuki Kai (2 patents)Keiichiro HiraiNoriyuki Kurose (12 patents)Keiichiro HiraiSatoru Tanaka (6 patents)Keiichiro HiraiYasuhiko Fujii (5 patents)Keiichiro HiraiYuki Ogata (3 patents)Keiichiro HiraiKeiichiro Hirai (2 patents)Tomoyuki OgawaTomoyuki Ogawa (52 patents)Hiroyuki KaiHiroyuki Kai (48 patents)Noriyuki KuroseNoriyuki Kurose (12 patents)Satoru TanakaSatoru Tanaka (6 patents)Yasuhiko FujiiYasuhiko Fujii (5 patents)Yuki OgataYuki Ogata (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shionogi Company Limited (2 from 1,001 patents)


2 patents:

1. 11124486 - 6-membered heterocyclic derivatives and pharmaceutical composition comprising the same

2. 10774051 - 6-membered heterocyclic derivatives and pharmaceutical composition comprising the same

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1/7/2026
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