Growing community of inventors

Yamaguchi, Japan

Ryoji Ishida

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 = 5

Ryoji Ishida ↔ Masakuni Ezumi (1 patent)Ryoji Ishida ↔ Akihiro Sato (5 patents)Ryoji Ishida ↔ Koji Hamada (1 patent)Ryoji IshidaRyoji Ishida (1 patent)Masakuni EzumiMasakuni Ezumi (61 patents)Akihiro SatoAkihiro Sato (5 patents)Koji HamadaKoji Hamada (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,526 patents)


1 patent:

1. 6997369 - Friction stir welding method

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