Growing community of inventors

Tokyo, Japan

Tomoyuki Yamagata

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

Tomoyuki YamagataYuichi Igarashi (1 patent)Tomoyuki YamagataYoshiyuki Tajima (1 patent)Tomoyuki YamagataTakahiro Ohira (1 patent)Tomoyuki YamagataTomoyuki Yamagata (1 patent)Yuichi IgarashiYuichi Igarashi (10 patents)Yoshiyuki TajimaYoshiyuki Tajima (6 patents)Takahiro OhiraTakahiro Ohira (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,508 patents)


1 patent:

1. 10819798 - On-site system

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1/4/2026
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