SN

Seiichi Nakahama

JR Japan Synthetic Rubber: 1 patents #4 of 49Top 9%
📍 Furubira, JP: #1 of 1 inventorsTop 100%
Overall (1982): #31,714 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4339590 Cyclic sulfur compounds Noboru Yamazaki, Kazuo Yamaguchi 1982-07-13