Growing community of inventors

Fukuoka, Japan

Masafumi Ushijima

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 = 7

Masafumi UshijimaMikio Oshima (1 patent)Masafumi UshijimaTakayuki Kawano (1 patent)Masafumi UshijimaMasafumi Ushijima (1 patent)Mikio OshimaMikio Oshima (4 patents)Takayuki KawanoTakayuki Kawano (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Yaskawa Denki (1 from 1,102 patents)


1 patent:

1. 6195141 - Hand-held control device

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1/3/2026
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