Growing community of inventors

Tokyo, Japan

Takuji Yamaya

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 = 62

Takuji YamayaAkihiko Shibuya (1 patent)Takuji YamayaMigio Hamano (1 patent)Takuji YamayaTakuji Yamaya (1 patent)Akihiko ShibuyaAkihiko Shibuya (5 patents)Migio HamanoMigio Hamano (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hoya Healthcare Corporation (1 from 8 patents)


1 patent:

1. 6585768 - Intraocular lenses and process for the producing molded-in type intraocular lenses

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as of
12/20/2025
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