RS

Ryuichi Sekita

PC Polyplastics Co.: 1 patents #11 of 44Top 25%
📍 Nakatsu, JP: #4 of 9 inventorsTop 45%
Overall (1989): #138,698 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4861860 Process for producing polyester Kohji Ohishi, Minoru Akiyama 1989-08-29