Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469718 | Recording medium retaining data for menu control, menu control method and apparatus | Toshiaki Setogawa, Ayato Nakagawa | 2002-10-22 |
| 6424793 | Data recording medium and data replay apparatus | Toshiaki Setogawa, Ayato Nakagawa | 2002-07-23 |