Growing community of inventors

Daito, Japan

Yoshinobu Umaji

Average Co-Inventor Count = 2.00

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 = 0

Yoshinobu UmajiKiyoshi Matsui (1 patent)Yoshinobu UmajiYoshinobu Umaji (1 patent)Kiyoshi MatsuiKiyoshi Matsui (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Funai Electric Company Ltd. (1 from 2,413 patents)


1 patent:

1. 7027709 - Method for forming magnetic gap of video signal erasure head, erasure head, and video recorder having the same

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/20/2025
Loading…