YI

Yukio Ikenaga

PC Polyplastics Co.: 1 patents #11 of 44Top 25%
Overall (1989): #39,755 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4886851 Polyacetal resin composition Masami Yamawaki 1989-12-12