Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5510192 | Polyethylene naphthalate multilayered film for high density magnetic recording medium | Masashi Inagaki, Yuko Watanuki | 1996-04-23 |
| 5441800 | Laminated polyester film for magnetic tape | — | 1995-08-15 |
| 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 |
| 5139727 | Process for producing biaxially oriented polyester film | Kichinojyo Tomitaka, Yujiro Fukuda, Takatoshi Miki | 1992-08-18 |
| 5093064 | Low-shrinkage polyester film and preparation thereof | Kichinojo Tomitaka, Tomoyuki Kotani, Masumi Koizumi | 1992-03-03 |
| 5070180 | Shrinkable copolyester film | Yujiro Fukuda, Shinobu Suzuki | 1991-12-03 |
| 5045379 | Polyester film for high density magnetic recording medium | Tomoyuki Kotani, Kichinojo Tomitaka | 1991-09-03 |
| 4990400 | Polyester films, magnetic recording media and film capacitors produced therefrom | Kazuo Endo, Nobuyasu Shudo, Chikakazu Kawaguchi, Yoshio Meguro, Masahiko Fujimoto +6 more | 1991-02-05 |
| 4985537 | Process of making a biaxially stretched polyester film and biaxially stretched polyester film | Tomoyuki Kotani, Kichinojo Tomitaka | 1991-01-15 |
| 4985538 | Shrinkable polyester film | Yujiro Fukuda | 1991-01-15 |
| 4977020 | Transfer material for use with printer | — | 1990-12-11 |
| 4977230 | Heat-resistant film or sheet | Seiichi Nozawa, Michio Nakata | 1990-12-11 |
| 4960636 | Biaxially oriented polyester film for floppy disk | Kichinojo Tomitaka, Masumi Koizumi | 1990-10-02 |
| 4876137 | Polyethylene naphthalate film for high-density magnetic recording media of floppy disk | — | 1989-10-24 |
| 4865898 | Polyester film for magnetic recording media | Yujiro Fukuda, Kichinojyo Tomitaka, Toshifumi Takisawa | 1989-09-12 |
| 4814221 | Polyethylene-2,6-naphthalate film for capacitor | — | 1989-03-21 |
| 4814426 | Shrinkable polyester film for packaging | Yujiro Fukuda | 1989-03-21 |
| 4812360 | Thermal transfer (printing) material | — | 1989-03-14 |
| 4804736 | Polyethylene-2,6-naphthalate film for magnetic recording tapes | — | 1989-02-14 |
| 4799772 | Uniaxially high-oriented polyethylene naphthalate film for liquid crystal panel substrates | — | 1989-01-24 |
| 4781963 | Magnetic recording medium | Shigeyuki Watanabe | 1988-11-01 |
| 4769190 | Process for producing polyphenylene sulfide film | Yujiro Fukuda, Yoshinori Sato, Narihiro Masuda | 1988-09-06 |
| 4756953 | Uniaxially high-oriented polyethylene naphthalate film for polarizing plates | — | 1988-07-12 |