Growing community of inventors

Ibaraki, Japan

Taro Sonoda

Average Co-Inventor Count = 4.00

ph-index = 2

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 = 23

Taro Sonoda ↔ Yuzo Yamaguchi (1 patent)Taro Sonoda ↔ Shinobu Yoshida (1 patent)Taro Sonoda ↔ Katsuaki Kikuchi (1 patent)Taro Sonoda ↔ Osami Matsushita (1 patent)Taro Sonoda ↔ Michiaki Ida (1 patent)Taro Sonoda ↔ Kihachiro Tanaka (1 patent)Taro Sonoda ↔ Takashi Kohno (1 patent)Taro SonodaTaro Sonoda (2 patents)Yuzo YamaguchiYuzo Yamaguchi (28 patents)Shinobu YoshidaShinobu Yoshida (19 patents)Katsuaki KikuchiKatsuaki Kikuchi (18 patents)Osami MatsushitaOsami Matsushita (16 patents)Michiaki IdaMichiaki Ida (14 patents)Kihachiro TanakaKihachiro Tanaka (11 patents)Takashi KohnoTakashi Kohno (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (2 from 42,496 patents)


2 patents:

1. 5012359 - Magnetic disk apparatus

2. 4752849 - Carriage support structure

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/26/2025
Loading…