Growing community of inventors

Kyoto, Japan

Yasushi Nakai

Average Co-Inventor Count = 4.00

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 = 3

Yasushi Nakai ↔ Katsuhiko Tsunemitsu (1 patent)Yasushi Nakai ↔ Hajime Kawai (1 patent)Yasushi Nakai ↔ Yoshiharu Fujino (1 patent)Yasushi NakaiYasushi Nakai (1 patent)Katsuhiko TsunemitsuKatsuhiko Tsunemitsu (12 patents)Hajime KawaiHajime Kawai (9 patents)Yoshiharu FujinoYoshiharu Fujino (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yamada Chemical Co., Ltd. (1 from 16 patents)


1 patent:

1. 4564679 - Chromogenic compounds

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/16/2025
Loading…