Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4745031 | Magnetic recording medium | Haruyuki Morita, Yuichi Kubota, Keiko Tsuchiya | 1988-05-17 |
| 4737408 | Magneto-optical recording medium having plasma-polymerized protective layers | Tsuneo Kuwahara, Hideki Hirata | 1988-04-12 |
| 4734810 | Magnetic recording medium comprising protrusion on its surface and a plasma treated substrate and recording/reproducing method therefor | Kunihiro Ueda, Yuichi Kubota | 1988-03-29 |
| 4699847 | Magnetic recording medium | Haruyuki Morita, Yuichi Kubota, Keiko Tsuchiya | 1987-10-13 |
| 4619861 | Magnetic powders with improved dispersibility | Haruyuki Morita, Yuichi Kubota | 1986-10-28 |
| 4618542 | Magnetic thin film | Haruyuki Morita, Jiro Yoshinari | 1986-10-21 |
| 4599266 | Magnetic recording medium | Haruyuki Morita, Yasumichi Tokuoka, Toshiaki Izumi, Kazumasa Fukuda, Yuichi Kubota | 1986-07-08 |
| 4575475 | Magnetic recording medium | Haruyuki Morita, Yuichi Kubota, Keiko Tsuchiya | 1986-03-11 |
| 4548864 | Magnetic recording medium having an organic metal underlayer | Toshiaki Izumi | 1985-10-22 |