Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D489051 | Portion of digital audio player | Masazumi Shiraki, Yuji Katayama | 2004-04-27 |
| D489052 | Digital audio player | Masazumi Shiraki, Yuji Katayama | 2004-04-27 |
| D463385 | Digital video recorder | — | 2002-09-24 |
| D357247 | Video tape recorder | Yuji Katayama, Shunsaku Nagata | 1995-04-11 |
| D342070 | Remote controller for a video tape recorder | — | 1993-12-07 |