Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6674961 | Magnetic recording device and method, magnetic reproduction device and method, and tape recording medium | Yasutaka Kotani, Kazuyuki Iesaka, Hisao Osabe, Masanori Kimura | 2004-01-06 |