MN

Masaaki Nishina

NC Nippon Zeon Co.: 1 patents #4 of 36Top 15%
Overall (1989): #79,641 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4803260 Recovery of vinyl chloride resin with aid of screen Junsei Kawahuti 1989-02-07