Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968062 | Transmitter of infrared transmission system and reproducing apparatus comprising headphone device | — | 2005-11-22 |
| 6928179 | Audio processing apparatus | Yuji Yamada, Hirofumi Kurisu | 2005-08-09 |