Growing community of inventors

Chikuma, Japan

Fujio Usui

Average Co-Inventor Count = 4.00

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 = 1

Fujio Usui ↔ Toshiro Maejima (1 patent)Fujio Usui ↔ Kouichirou Matsushita (1 patent)Fujio Usui ↔ Takuya Otake (1 patent)Fujio UsuiFujio Usui (1 patent)Toshiro MaejimaToshiro Maejima (31 patents)Kouichirou MatsushitaKouichirou Matsushita (7 patents)Takuya OtakeTakuya Otake (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yazaki Corporation (1 from 8,208 patents)

2. Takasaki Mfg. Co., Ltd. (1 from 1 patent)


1 patent:

1. 11545795 - Connector

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as of
12/30/2025
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