SO

Susumu Otsuka

MC Mitsubishi Gas Chemical Company: 1 patents #26 of 139Top 20%
📍 Hikari, JP: #8 of 15 inventorsTop 55%
Overall (2003): #112,186 of 273,478Top 45%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6509490 Method of purifying isophthalonitrile Takuji Shitara, Fumisada Kosuge, Kazuhiko Amakawa 2003-01-21