Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6973582 | Audio signal output device in which optical signals are not output when a plug is not connected to an S/PDIF output terminal | Naoya Ishii, Takashi Taga, Toshiaki Uotani | 2005-12-06 |
| 6964318 | Portable information terminal device | Naoya Ishii, Makoto Nemoto | 2005-11-15 |
| 6942060 | Portable information terminal device | Naoya Ishii, Makoto Nemoto | 2005-09-13 |