Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8000976 | Speech band extension device | Atsushi Tashiro | 2011-08-16 |
| 7961855 | Voice communications apparatus | Masashi Takada, Kazuyoshi Akie | 2011-06-14 |
| 7924824 | Voice packet communications system with communications quality evaluation function | Atsushi Yokoyama, Nobuyuki Yamaguchi, Kazuyoshi Akie | 2011-04-12 |