Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7054081 | Magnetic transfer apparatus | Kazuhiro Niitsuma, Akito Kamatani | 2006-05-30 |
| 7054082 | Magnetic transfer method for a high-density magnetic recording medium | Tadashi Yasunaga | 2006-05-30 |
| 7054080 | Magnetic transfer apparatus | Kazuhiro Niitsuma, Akito Kamatani | 2006-05-30 |
| 7038868 | Method of magnetic transfer and stopping slave medium rotation | Kazuhiro Niitsuma | 2006-05-02 |
| 7009790 | Magnetic transfer apparatus | Kazuhiro Niitsuma | 2006-03-07 |
| 6977786 | Information recording method using a vertical magnetic system | Kazuyuki Usuki, Makoto Nagao | 2005-12-20 |
| 6954317 | Magnetic transfer method and apparatus | Masashi Aoki, Kazunori Komatsu, Junichi Nakamikawa | 2005-10-11 |
| 6950252 | Master carrier for magnetic transfer | Tadashi Yasunaga | 2005-09-27 |
| 6911270 | Master information carrier for magnetic transfer | Kazuhiro Niitsuma, Tadashi Yasunaga, Toshihiro Usa, Kazunori Komatsu | 2005-06-28 |
| 6909563 | Master carrier for magnetic transfer | Tadashi Yasunaga, Kazuhiro Niitsuma | 2005-06-21 |
| 6909564 | Magnetic transfer apparatus | Kazuhiro Niitsuma, Akito Kamatani | 2005-06-21 |
| 6909634 | Magnetic transfer method and magnetic transfer device | — | 2005-06-21 |
| 6906875 | Magnetic transfer device | Akito Kamatani, Makoto Nagao, Kazunori Komatsu, Tsuneo Inui, Kazuhiro Niitsuma | 2005-06-14 |
| 6906877 | Magnetic transfer method for a high-density magnetic recording medium | Tadashi Yasunaga | 2005-06-14 |
| 6906874 | Method and apparatus for magnetic transfer | Akito Kamatani, Tsuneo Inui, Masashi Aoki | 2005-06-14 |
| 6906876 | Magnetic transfer method and apparatus | Kazunori Komatsu | 2005-06-14 |
| 6887593 | Master information carrier for magnetic transfer | Ryuji Sugita, Tadashi Yasunaga | 2005-05-03 |
| 6882484 | Magnetic transfer system | — | 2005-04-19 |
| 6879452 | Master information carrier for magnetic transfer | Kazuhiro Niitsuma | 2005-04-12 |
| 6865038 | Magnetic transferring method, and method and apparatus for cleaning magnetic transfer master medium | Makoto Nagao | 2005-03-08 |
| 6833173 | Floppy disk including a seed layer and a primer layer with specified relative properties | Makoto Nagao | 2004-12-21 |
| 6829201 | Magnetic information recording medium having regions magnetized in different directions, a method for recording and reproducing for the same, and a method of manufacturing the same | Kazuyuki Usuki, Yoshihisa Usami, Makoto Nagao | 2004-12-07 |
| 6819511 | Magnetic transfer method and magnetic recording medium | — | 2004-11-16 |
| 6816327 | Master information carrier for magnetic transfer and magnetic transfer method | Kazuhiro Niitsuma, Tadashi Yasunaga, Toshihiro Usa, Kazunori Komatsu | 2004-11-09 |
| 6802321 | Master medium cleaning method | Akito Kamatani | 2004-10-12 |