OT

Osamu Tsumura

IC Idemitsu Kosan Co.: 1 patents #1 of 12Top 9%
Overall (1982): #40,131 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
RE31030 Process for the production of novel polysaccharide Kenichi Hisatsuka, Saburo Ishiyama, Akira Inoue, Mikio Sato 1982-09-14