YH

Yasufumi Hamada

MC Mitsubishi Gas Chemical Company: 1 patents #1,048 of 1,727Top 65%
📍 Kurashiki, JP: #491 of 838 inventorsTop 60%
Overall (All Time): #4,010,489 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4500730 Process for producing aromatic polycarboxylic acid Toru Tanaka, Masanori Hataya, Kazuo Tanaka, Yukio Sakai 1985-02-19