Growing community of inventors

Fuji, Japan

Dai Sugiyama

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

Dai SugiyamaTsutomu Itou (1 patent)Dai SugiyamaSatoru Naruoka (1 patent)Dai SugiyamaDai Sugiyama (1 patent)Tsutomu ItouTsutomu Itou (11 patents)Satoru NaruokaSatoru Naruoka (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nissan Motor Company Limited (1 from 13,402 patents)

2. Jatco Corporation (1 from 1,021 patents)


1 patent:

1. 11480243 - Driving force transmission apparatus

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as of
12/16/2025
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