Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8443127 | Cradle for portable content playback apparatus and amplifying device to which the same cradle is connected | Akifumi Fujieda | 2013-05-14 |
| 7466192 | Low-pass filter and voltage-current conversion circuit used in the same | Mamoru Sekiya, Masaaki Inoue | 2008-12-16 |
| 7132596 | Automatic music selecting system in mobile unit | Norio Yamashita | 2006-11-07 |