Growing community of inventors

Nagoya, Japan

Hiroaki Yanagawa

Average Co-Inventor Count = 2.00

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 = 9

Hiroaki Yanagawa ↔ Naotaka Kamiya (1 patent)Hiroaki YanagawaHiroaki Yanagawa (1 patent)Naotaka KamiyaNaotaka Kamiya (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Menicon Co., Ltd. (1 from 241 patents)

2. Hiroaki Yanagawa (0 patent)

3. Naotaka Kamiya (0 patent)


1 patent:

1. 5041511 - Ocular lens material

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1/8/2026
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