Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574419 | Optical disk, reproduction apparatus reproduction method, and recording medium | Masaya Yamamoto, Yoshihiro Mori, Yasushi Uesaka, Masayuki Kozuka | 2003-06-03 |
| 6529506 | Data processing apparatus and data recording media | Masaya Yamamoto, Masataka Minami, Masayuki Kozuka | 2003-03-04 |