SU

Shigeo Utsumi

DC Diafoil Hoechst Company: 2 patents #1 of 20Top 5%
DL Diafoil Company, Limited: 1 patents #1 of 4Top 25%
Overall (1994): #8,690 of 165,921Top 6%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5366783 Laminated polyester film for magnetic tape having specific surface properties Masashi Inagaki, Yuko Watanuki 1994-11-22
RE34727 Low-shrinkage polyester film and preparation thereof Kichinojo Tomitaka, Tomoyuki Kotani, Masumi Koizumi 1994-09-13
5318823 Polyester multilayered film for high-density magnetic disc Masashi Inagaki, Yuko Watanuki 1994-06-07