Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D535306 | Memory card audio player with a radio tuner | — | 2007-01-16 |
| D531169 | Earphone | Toshio Kiuchi | 2006-10-31 |
| D511764 | Digital audio memory recorder | — | 2005-11-22 |
| D502938 | Headphones for portable audio devices | Kazuhiko Shibata | 2005-03-15 |
| D467891 | Memory card player for audio | Michio Tanaka | 2002-12-31 |