Growing community of inventors

Tokyo, Japan

Sadao Yoshikawa

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 = 48

Sadao YoshikawaTakeaki Eto (2 patents)Sadao YoshikawaTakeyasu Otsuka (2 patents)Sadao YoshikawaKiyonori Suzuki (2 patents)Sadao YoshikawaShozo Abe (2 patents)Sadao YoshikawaSusumu Akutagawa (1 patent)Sadao YoshikawaTakao Ikariya (1 patent)Sadao YoshikawaMasahiko Saburi (1 patent)Sadao YoshikawaYouichi Ishii (1 patent)Sadao YoshikawaSadao Yoshikawa (3 patents)Takeaki EtoTakeaki Eto (2 patents)Takeyasu OtsukaTakeyasu Otsuka (2 patents)Kiyonori SuzukiKiyonori Suzuki (2 patents)Shozo AbeShozo Abe (2 patents)Susumu AkutagawaSusumu Akutagawa (31 patents)Takao IkariyaTakao Ikariya (24 patents)Masahiko SaburiMasahiko Saburi (2 patents)Youichi IshiiYouichi Ishii (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Soda Koryo Kabushiki Kaisha (2 from 2 patents)

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


3 patents:

1. 4691037 - Ruthenium-phosphine complex

2. 4246182 - Process for the preparation of omega-hydroxy fatty acids from

3. 4244873 - Omega-hydroxy or acyloxy-alkyl-.gamma.-butyrolactones

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/13/2025
Loading…