Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647459 | Reproducing apparatus for record disc | Mutsumi Kono | 2003-11-11 |
| 5623505 | Apparatus for detecting presence of information data for use in recording medium playing apparatus | Kyota Funamoto, Ken Masui | 1997-04-22 |