Growing community of inventors

Kanagawa, Japan

Hisayoshi Sugiyama

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 = 169

Hisayoshi Sugiyama ↔ Toshiro Terauchi (1 patent)Hisayoshi Sugiyama ↔ Masakatsu Toyoshima (1 patent)Hisayoshi Sugiyama ↔ Akira Sakamoto (1 patent)Hisayoshi Sugiyama ↔ Takeshi Fukami (1 patent)Hisayoshi Sugiyama ↔ Kohichi Suto (1 patent)Hisayoshi SugiyamaHisayoshi Sugiyama (1 patent)Toshiro TerauchiToshiro Terauchi (101 patents)Masakatsu ToyoshimaMasakatsu Toyoshima (16 patents)Akira SakamotoAkira Sakamoto (13 patents)Takeshi FukamiTakeshi Fukami (8 patents)Kohichi SutoKohichi Suto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (1 from 58,130 patents)

2. Nippon Telegraph and Telephone Corporation (1 from 5,290 patents)


1 patent:

1. 4787085 - Digital signal transmitting system

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as of
12/18/2025
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