Growing community of inventors

Toyohashi, Japan

Daigo Sugiyama

Average Co-Inventor Count = 5.00

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 = 2

Daigo Sugiyama ↔ Masahiro Nakajima (1 patent)Daigo Sugiyama ↔ Hiroyuki Takeno (1 patent)Daigo Sugiyama ↔ Kiyokazu Niwa (1 patent)Daigo Sugiyama ↔ Go Morishima (1 patent)Daigo SugiyamaDaigo Sugiyama (1 patent)Masahiro NakajimaMasahiro Nakajima (67 patents)Hiroyuki TakenoHiroyuki Takeno (7 patents)Kiyokazu NiwaKiyokazu Niwa (5 patents)Go MorishimaGo Morishima (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Topy Kogyo Kabushiki Kaisha (1 from 91 patents)


1 patent:

1. 6294031 - Production method of a heat-treated steel member

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as of
12/24/2025
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