Growing community of inventors

Chiba, Japan

Masao Sugiyama

Average Co-Inventor Count = 2.00

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 = 3

Masao SugiyamaYoichi Sakai (1 patent)Masao SugiyamaMasao Sugiyama (1 patent)Yoichi SakaiYoichi Sakai (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sharp Kabushiki Kaisha Corporation (1 from 25,543 patents)


1 patent:

1. 6545771 - Facsimile apparatus and information printing method of facsimile apparatus

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as of
12/19/2025
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