Growing community of inventors

Nishinomiya, Japan

Ryoichi Otsuka

Average Co-Inventor Count = 1.60

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 = 1

Ryoichi OtsukaRyuzo Ueno (1 patent)Ryoichi OtsukaMasaya Kitayama (1 patent)Ryoichi OtsukaHiroyuki Kato (1 patent)Ryoichi OtsukaRyoichi Otsuka (2 patents)Ryuzo UenoRyuzo Ueno (108 patents)Masaya KitayamaMasaya Kitayama (37 patents)Hiroyuki KatoHiroyuki Kato (16 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo (2 from 73 patents)


2 patents:

1. 7102028 - Method for producing 3,5-di-tert-butyl-4-hydroxybenzoic acid

2. 6451109 - Columnar crystals of 6-hydroxy-2-naphthoic acid and process for manufacturing the same

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/11/2025
Loading…