SH

Seiji Hirooka

NC Nippon Petrochemicals, Co.: 1 patents #17 of 44Top 40%
Overall (1989): #58,563 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4795840 Method for preparing hydrocarbon mixture solvent Michiaki Torii 1989-01-03