Growing community of inventors

Kanagawa, Japan

Manabu Tohyama

Average Co-Inventor Count = 6.00

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

Manabu Tohyama ↔ Kenichi Sekine (1 patent)Manabu Tohyama ↔ Norio Yano (1 patent)Manabu Tohyama ↔ Masahiko Fukuda (1 patent)Manabu Tohyama ↔ Yukio Yuhashi (1 patent)Manabu Tohyama ↔ Teiji Masuda (1 patent)Manabu TohyamaManabu Tohyama (1 patent)Kenichi SekineKenichi Sekine (2 patents)Norio YanoNorio Yano (2 patents)Masahiko FukudaMasahiko Fukuda (1 patent)Yukio YuhashiYukio Yuhashi (1 patent)Teiji MasudaTeiji Masuda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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

2. Dow Corning Asia Limited (1 from 57 patents)

3. Vicodrive Japan, Ltd. (1 from 1 patent)


1 patent:

1. 5374363 - Viscous coupling fluids

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as of
12/12/2025
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