Growing community of inventors

Tokyo, Japan

Koji Numasawa

Average Co-Inventor Count = 7.00

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 = 11

Koji NumasawaTetsuo Nagano (1 patent)Koji NumasawaKenjiro Hanaoka (1 patent)Koji NumasawaTakahiro Egawa (1 patent)Koji NumasawaYu Kushida (1 patent)Koji NumasawaTakuya Myochin (1 patent)Koji NumasawaWen Piao (1 patent)Koji NumasawaKoji Numasawa (1 patent)Tetsuo NaganoTetsuo Nagano (52 patents)Kenjiro HanaokaKenjiro Hanaoka (9 patents)Takahiro EgawaTakahiro Egawa (5 patents)Yu KushidaYu Kushida (2 patents)Takuya MyochinTakuya Myochin (2 patents)Wen PiaoWen Piao (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The University of Tokyo (1 from 1,285 patents)


1 patent:

1. 9714260 - Asymmetrical Si rhodamine and rhodol synthesis

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as of
12/26/2025
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