Growing community of inventors

Tokyo, Japan

Youichi Ishii

Average Co-Inventor Count = 5.00

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 = 47

Youichi Ishii ↔ Susumu Akutagawa (1 patent)Youichi Ishii ↔ Takao Ikariya (1 patent)Youichi Ishii ↔ Sadao Yoshikawa (1 patent)Youichi Ishii ↔ Masahiko Saburi (1 patent)Youichi IshiiYouichi Ishii (1 patent)Susumu AkutagawaSusumu Akutagawa (31 patents)Takao IkariyaTakao Ikariya (24 patents)Sadao YoshikawaSadao Yoshikawa (3 patents)Masahiko SaburiMasahiko Saburi (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Takasago Perfumery Co., Ltd. (1 from 47 patents)


1 patent:

1. 4691037 - Ruthenium-phosphine complex

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