Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804069 | Magnetic transfer method to prevent dropout of servo signal | Seiichi Watanabe | 2004-10-12 |
| 6790534 | Magnetic transfer master medium, magnetic transfer method, and magnetic transfer master medium forming method | Kazunori Komatsu | 2004-09-14 |
| 6785069 | Magnetic transfer method | Seiichi Watanabe | 2004-08-31 |
| 6777073 | Magnetic recording medium | Junichi Nakamikawa | 2004-08-17 |
| 6759183 | Master medium for magnetic transfer including metal disk with relief or recess pattern | Makoto Nagao, Seiichi Watanabe | 2004-07-06 |
| 6735026 | Method of magnetically transferring information signal from master medium to slave medium | Makoto Nagao | 2004-05-11 |
| 6731440 | Method and apparatus for magnetic transfer | Kazunori Komatsu, Makoto Nagao | 2004-05-04 |
| 6678101 | Method of magnetically transferring information signal from master medium to slave medium | Kazuyuki Usuki, Masashi Aoki | 2004-01-13 |
| 6674645 | High frequency signal switching unit | Tsunehiro Anzai, Kazuhiko Inoue, Kazuhisa Fujii | 2004-01-06 |
| 6650490 | Method for magnetic transfer | — | 2003-11-18 |
| 6643079 | Method and apparatus for magnetic transfer | Kazunori Komatsu, Makoto Nagao | 2003-11-04 |
| 6636371 | Magnetic transfer method and system | Kazunori Komatsu, Makoto Nagao | 2003-10-21 |
| 6602301 | Method and apparatus for magnetic transfer | Kazunori Komatsu, Makoto Nagao | 2003-08-05 |
| 6587289 | Method of magnetically transferring information signal from master medium to slave medium | Kazuyuki Usuki, Masashi Aoki | 2003-07-01 |
| 6577459 | Method and apparatus for magnetic transfer | Kazunori Komatsu, Makoto Nagao | 2003-06-10 |
| 6570724 | Method and apparatus for magnetic transfer | Kazunori Komatsu, Makoto Nagao | 2003-05-27 |