Growing community of inventors

Shizuoka, Japan

Tsutomu Arai

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 = 28

Tsutomu AraiTsugio Narushima (1 patent)Tsutomu AraiYasuo Doumoto (1 patent)Tsutomu AraiTsutomu Arai (1 patent)Tsugio NarushimaTsugio Narushima (7 patents)Yasuo DoumotoYasuo Doumoto (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tokyo Electric Co. (1 from 492 patents)


1 patent:

1. 4634304 - Printer

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12/17/2025
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