Growing community of inventors

Ehime, Japan

Akira Yashima

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 = 4

Akira Yashima ↔ Kiyomi Sakai (1 patent)Akira Yashima ↔ Teruo Matsuda (1 patent)Akira Yashima ↔ Tadao Sato (1 patent)Akira Yashima ↔ Mitsuaki Takahashi (1 patent)Akira YashimaAkira Yashima (1 patent)Kiyomi SakaiKiyomi Sakai (9 patents)Teruo MatsudaTeruo Matsuda (7 patents)Tadao SatoTadao Sato (1 patent)Mitsuaki TakahashiMitsuaki Takahashi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Chemical Company, Limited (1 from 6,907 patents)


1 patent:

1. 4568769 - Method for producing a mixture containing cycloalkanones and

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/22/2026
Loading…