Growing community of inventors

Gifu, Japan

Koji Yamada

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 = 6

Koji YamadaYoshiaki Uematsu (1 patent)Koji YamadaMasaharu Adachi (1 patent)Koji YamadaHaruo Nagano (1 patent)Koji YamadaKoji Yamada (1 patent)Yoshiaki UematsuYoshiaki Uematsu (3 patents)Masaharu AdachiMasaharu Adachi (1 patent)Haruo NaganoHaruo Nagano (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Sanyo Danki Seisakusho (1 from 1 patent)


1 patent:

1. 4977994 - Fare adjustment machine for prepaid card type tickets

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1/7/2026
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