Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631106 | Spare area with a predetermined capacity for a detective sector allocated in each zone | Takehiko Numata, Atsushi Takeuchi, Teruo Chiba | 2003-10-07 |
| 6625090 | Magneto-optical recording medium, and magneto-optical recording/reproducing apparatus | Atsushi Takeuchi, Yoshihito Fukushima, Hiroyuki Takemoto, Kenichi Itoh, Takehiko Numata | 2003-09-23 |