KY

Kiyoshi Yasumura

DL Diafoil Company, Limited: 1 patents #4 of 17Top 25%
Overall (1989): #33,039 of 140,708Top 25%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4840830 Polyester film for magnetic recording tape Seiji Sakamoto 1989-06-20