Growing community of inventors

Tachikawa, Japan

Shiro Hagiwara

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 = 4

Shiro Hagiwara ↔ Kazuo Yamakido (1 patent)Shiro Hagiwara ↔ Fumiaki Fujii (1 patent)Shiro HagiwaraShiro Hagiwara (1 patent)Kazuo YamakidoKazuo Yamakido (21 patents)Fumiaki FujiiFumiaki Fujii (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,485 patents)


1 patent:

1. 4507792 - PCM Encoder conformable to the A-law

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/8/2025
Loading…