Growing community of inventors

Tsuchiura, Japan

Yoshihiko Yoshikawa

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 = 6

Yoshihiko Yoshikawa ↔ Sumio Sudo (1 patent)Yoshihiko Yoshikawa ↔ Shizuichi Sakamoto (1 patent)Yoshihiko YoshikawaYoshihiko Yoshikawa (1 patent)Sumio SudoSumio Sudo (12 patents)Shizuichi SakamotoShizuichi Sakamoto (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,488 patents)


1 patent:

1. 5154570 - Vertical shaft pump

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