Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742147 | Information recording medium, and method and apparatus for managing defect thereof | Motoshi Ito, Hiroshi Ueda, Yoshihisa Fukushima | 2004-05-25 |
| 6732303 | Information recording medium, and method and apparatus for managing defect thereof | Motoshi Ito, Hiroshi Ueda, Yoshihisa Fukushima | 2004-05-04 |