Growing community of inventors

Musashino, Japan

Norihiko Umei

Average Co-Inventor Count = 4.00

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

Norihiko Umei ↔ Satoru Tanaka (1 patent)Norihiko Umei ↔ Shuichi Mano (1 patent)Norihiko Umei ↔ Tetsuji Moriyama (1 patent)Norihiko UmeiNorihiko Umei (1 patent)Satoru TanakaSatoru Tanaka (1 patent)Shuichi ManoShuichi Mano (1 patent)Tetsuji MoriyamaTetsuji Moriyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yokogawa Electronic Corporation (1 from 2 patents)


1 patent:

1. 8135480 - Digital indicating controller

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as of
12/17/2025
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