Growing community of inventors

Yamagata, Japan

Gouhei Toyoshima

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 = 0

Gouhei ToyoshimaMasatoshi Majima (1 patent)Gouhei ToyoshimaKouichi Takashima (1 patent)Gouhei ToyoshimaGouhei Toyoshima (1 patent)Masatoshi MajimaMasatoshi Majima (85 patents)Kouichi TakashimaKouichi Takashima (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Electric Industries, Limited (1 from 10,264 patents)

2. A.l.m.t. Corporation (1 from 80 patents)


1 patent:

1. 12252766 - Composite material, heat sink and semiconductor device

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as of
1/4/2026
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