Growing community of inventors

Hino, Japan

Yasumasa Numata

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 = 10

Yasumasa NumataMitsuto Fujiwhara (1 patent)Yasumasa NumataKunio Ito (1 patent)Yasumasa NumataKeiichi Mori (1 patent)Yasumasa NumataYasuko Matsubara (1 patent)Yasumasa NumataYoshitami Ono (1 patent)Yasumasa NumataTakao Nimura (1 patent)Yasumasa NumataYasumasa Numata (2 patents)Mitsuto FujiwharaMitsuto Fujiwhara (33 patents)Kunio ItoKunio Ito (17 patents)Keiichi MoriKeiichi Mori (3 patents)Yasuko MatsubaraYasuko Matsubara (2 patents)Yoshitami OnoYoshitami Ono (1 patent)Takao NimuraTakao Nimura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Konishiroku Photo Industry Co., Ltd. (2 from 1,252 patents)


2 patents:

1. 4690888 - Silver halide color photo-sensitive material

2. 4105453 - Colored light-sensitive silver halide photographic material with coating

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