Growing community of inventors

Tokorozawa, Japan

Katsuya Hamamoto

Average Co-Inventor Count = 3.43

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 = 13

Katsuya Hamamoto ↔ Noboru Chiba (2 patents)Katsuya Hamamoto ↔ Akira Takahashi (1 patent)Katsuya Hamamoto ↔ Yukio Kuroiwa (1 patent)Katsuya Hamamoto ↔ Fumio Toyoda (1 patent)Katsuya HamamotoKatsuya Hamamoto (2 patents)Noboru ChibaNoboru Chiba (10 patents)Akira TakahashiAkira Takahashi (88 patents)Yukio KuroiwaYukio Kuroiwa (9 patents)Fumio ToyodaFumio Toyoda (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (2 from 42,488 patents)


2 patents:

1. D294492 - Combined video tape recorder and camera

2. D291571 - Video camera

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/11/2025
Loading…