Growing community of inventors

Shizuoka, Japan

Masayoshi 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 = 121

Masayoshi Sugiyama ↔ Isao Fushimi (1 patent)Masayoshi Sugiyama ↔ Hajime Kitamura (1 patent)Masayoshi Sugiyama ↔ Shotaro Kamo (1 patent)Masayoshi Sugiyama ↔ Eiji Matsuyama (1 patent)Masayoshi SugiyamaMasayoshi Sugiyama (1 patent)Isao FushimiIsao Fushimi (18 patents)Hajime KitamuraHajime Kitamura (10 patents)Shotaro KamoShotaro Kamo (7 patents)Eiji MatsuyamaEiji Matsuyama (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Star Micronics Company Limited (1 from 251 patents)


1 patent:

1. 7551748 - Earphone

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as of
12/19/2025
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