Growing community of inventors

Kanagawa, Japan

Takashi Ushijima

Average Co-Inventor Count = 7.00

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 = 5

Takashi Ushijima ↔ Masao Teraoka (1 patent)Takashi Ushijima ↔ Osamu Ishikawa (1 patent)Takashi Ushijima ↔ Atsushi Ikezawa (1 patent)Takashi Ushijima ↔ Norio Yano (1 patent)Takashi Ushijima ↔ Hiromu Minamitani (1 patent)Takashi Ushijima ↔ Toshio Kanayama (1 patent)Takashi UshijimaTakashi Ushijima (1 patent)Masao TeraokaMasao Teraoka (90 patents)Osamu IshikawaOsamu Ishikawa (10 patents)Atsushi IkezawaAtsushi Ikezawa (4 patents)Norio YanoNorio Yano (2 patents)Hiromu MinamitaniHiromu Minamitani (1 patent)Toshio KanayamaToshio Kanayama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cosmo Oil Co., Ltd. (1 from 163 patents)

2. Tochigi Fuji Sangyo Kabushiki Kaisha (1 from 140 patents)

3. Dow Corning Kabushiki Kaisha (1 from 7 patents)


1 patent:

1. 4959166 - Fluid composition for use in viscous coupling

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12/12/2025
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