SS

Seiji Sakamoto

DL Diafoil Company, Limited: 1 patents #1 of 2Top 50%
Overall (1982): #31,680 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4320207 Polyester film containing fine powder of crosslinked polymer Masamichi Watanabe 1982-03-16