Growing community of inventors

Tokyo, Japan

Hiromasa Yasui

Average Co-Inventor Count = 1.50

ph-index = 2

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 = 158

Hiromasa YasuiVincent C Motta (1 patent)Hiromasa YasuiYoshiaki Igarashi (1 patent)Hiromasa YasuiHiromasa Yasui (2 patents)Vincent C MottaVincent C Motta (23 patents)Yoshiaki IgarashiYoshiaki Igarashi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Warner-lambert Company (2 from 2,538 patents)


2 patents:

1. D355049 - Razor handle

2. D305265 - Razor handle for use with a cartridge

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as of
12/20/2025
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