Growing community of inventors

Tokyo, Japan

Hitoshi Usui

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 = 8

Hitoshi UsuiKoji Sakuta (1 patent)Hitoshi UsuiAkihiro Kuroda (1 patent)Hitoshi UsuiHitoshi Usui (1 patent)Koji SakutaKoji Sakuta (40 patents)Akihiro KurodaAkihiro Kuroda (14 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shin-etsu Chemical Co., Ltd. (1 from 5,975 patents)

2. Kanebo Cosmetics Inc. (1 from 4 patents)


1 patent:

1. 7563452 - Cosmetic

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as of
12/27/2025
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