SU

Shigeo Utsumi

DL Diafoil Company, Limited: 26 patents #1 of 52Top 2%
DC Diafoil Hoechst Company: 3 patents #9 of 41Top 25%
MC Mitsubishi Chemical: 1 patents #294 of 716Top 45%
Overall (All Time): #120,122 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
4725479 Polyethylene naphthalate film for membrane switch 1988-02-16
4708902 Polyester films suitable for use in magnetic recording media Tateo Kanesaki, Takashi Kagiyama, Satoshi Otonari, Koichiro Ikushima, Norio Okumura 1987-11-24
4680217 Polyester film for magnetic recording media Tateo Kanesaki, Kichinojyo Tomitaka 1987-07-14
4677188 Transparent slippery biaxially stretched polyester film Kichinojyo Tomitaka, Yujiro Fukuda 1987-06-30
4617164 Process for stretching polyester films Tateo Kanesaki 1986-10-14
4610833 Process for preparing biaxially stretched polyester films Tateo Kanesaki, Kichinojyo Tomitaka 1986-09-09