Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6678011 | Fronted circuit | Toshiyuki Nagano, Hiromichi Sano, Takayuki Kaida | 2004-01-13 |
| 6542561 | Information receiving device and method | — | 2003-04-01 |
| 5737283 | Reproducing method and apparatus using absolute time data | Itaru Sato, Susumu Matsunaga | 1998-04-07 |