Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D489051 | Portion of digital audio player | Yuji Katayama, Toshiaki Takama | 2004-04-27 |
| D489052 | Digital audio player | Yuji Katayama, Toshiaki Takama | 2004-04-27 |
| D485245 | Digital video disk player | Hidemitsu Chikaraishi | 2004-01-13 |