Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650600 | Digital audio disc recorder | Kazuhisa Machida, Atsushi Ishibashi, Tsugio Endou, Tadahiko Sakamoto, Hideki Ikeda | 2003-11-18 |
| 6600700 | Digital audio disc recorder | Kazuhisa Machida, Atsushi Ishibashi, Tsugio Endou, Tadahiko Sakamoto, Hideki Ikeda | 2003-07-29 |