Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11869545 | Magnetic tape management device, magnetic tape cartridge, magnetic tape, magnetic tape system, magnetic tape management method, and program | Takashi Imai | 2024-01-09 |
| 10081701 | Composition for magnetic recording medium and magnetic recording medium | Toshihide Aoshima | 2018-09-25 |
| 9984711 | Magnetic recording medium and coating composition for magnetic recording medium | Toshihide Aoshima, Wataru Kikuchi, Tatsuo Mikami | 2018-05-29 |
| 9761261 | Magnetic recording medium and magnetic coating composition for magnetic recording medium | Toshihide Aoshima, Wataru Kikuchi, Tatsuo Mikami | 2017-09-12 |
| 9562167 | Magnetic recording medium and magnetic coating composition for magnetic recording medium | Wataru Kikuchi, Toshihide Aoshima, Tatsuo Mikami | 2017-02-07 |
| 8394481 | Optical information recording medium and azo metal complex dye | Kousuke Watanabe, Taro Hashizume | 2013-03-12 |
| 8315017 | Magnetic recording medium, magnetic signal reproduction system and magnetic signal reproduction method | — | 2012-11-20 |
| 7491486 | Optical information recording medium | Hisashi Mikoshiba, Tetsuya Watanabe | 2009-02-17 |
| 7001474 | Method for manufacturing optical disc and method for transporting multi-layered optical disc | Yoshihisa Usami | 2006-02-21 |
| 6994892 | Method of manufacturing optical recording medium | Hiroshi Kubo | 2006-02-07 |
| 6911272 | Magnetic recording medium | — | 2005-06-28 |
| 6740407 | Magnetic recording medium and magnetic recording mode using floppy disk | Kazuyuki Usuki | 2004-05-25 |
| 6433944 | Master carrier for magnetic transfer and method for transfer | Makoto Nagao, Ryuji Sugita | 2002-08-13 |
| 6391419 | Magnetic recording medium | Kazuyuki Usuki | 2002-05-21 |
| 6149989 | Magnetic recording particulate medium | Hiroaki Araki, Tsuneo Yoshida, Toshichika Aoki, Masashi Aonuma, Kazuo Kato +1 more | 2000-11-21 |