Seiichiro Ima

SC Sumitomo Chemical: 1 patents #114 of 315Top 40%

📍 Niihama, JP: #19 of 47 inventorsTop 45%

Overall (1989): #58,548 of 140,708Top 45%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4839234	Polypropylene film	Masahiro Kakugo	1989-06-13