Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385148 | Information recording medium, information recording method, information recording apparatus and information reproducing apparatus | Hiroshi Ueda, Yoshiho Gotoh, Yoshihisa Fukushima | 2002-05-07 |
| 6338153 | Information recording medium, and method and apparatus for managing defect thereof | Shinji Sasaki, Hiroshi Ueda, Yoshihisa Fukushima | 2002-01-08 |
| 6336196 | Information recording medium and method and apparatus for managing defect thereof | Shinji Sasaki, Hiroshi Ueda, Yoshihisa Fukushima | 2002-01-01 |
| 6336197 | Information recording medium, and method and apparatus for managing defect thereof | Shinji Sasaki, Hiroshi Ueda, Yoshihisa Fukushima | 2002-01-01 |