Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7999580 | Band converted signal generator and band extender | — | 2011-08-16 |
| 8000976 | Speech band extension device | Hiromi Aoyagi | 2011-08-16 |
| 7962334 | Receiving device and method | — | 2011-06-14 |