Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5998002 | High-density magnetic recording medium | Takashi Harada | 1999-12-07 |
| 5670236 | Biaxially oriented polyester film for magnetic recording medium | Tomoyuki Kotani, Kazuo Endo, Seiji Sakamoto, Takashi Harada, Narihiro Masuda +1 more | 1997-09-23 |
| 5532049 | Magnetic recording medium having a calendered polyester layer with a specified deformation ratio | Narihiro Masuda | 1996-07-02 |
| 5324574 | Biaxially stretched polyester film | Seiji Sakamoto, Takahashi Harada | 1994-06-28 |
| 5314736 | Polyethylene terephthalate film for magnetic recording medium containing three different kinds of particles | Yoshio Meguro, Takashi Harada | 1994-05-24 |
| 5106681 | Polyester films, magnetic recording media and film capacitors produced therefrom | Kazuo Endo, Nobuyasu Shudo, Yoshio Meguro, Masahiko Fujimoto, Toshifumi Takisawa +1 more | 1992-04-21 |
| 5006589 | Polyester film for magnetic recording media | Seiji Sakamoto, Yoshio Meguro, Takashi Harada, Toshifumi Takisawa | 1991-04-09 |
| 4990400 | Polyester films, magnetic recording media and film capacitors produced therefrom | Kazuo Endo, Nobuyasu Shudo, Yoshio Meguro, Masahiko Fujimoto, Toshifumi Takisawa +6 more | 1991-02-05 |
| 4727108 | Polyester compositions and process of preparing polyester films from them | Takashi Kagiyama, Kazuo Endo, Yosio Meguro, Kazuhiro Kunugihara | 1988-02-23 |