Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7961855 | Voice communications apparatus | Masashi Takada, Hiromi Aoyagi | 2011-06-14 |
| 7924824 | Voice packet communications system with communications quality evaluation function | Hiromi Aoyagi, Atsushi Yokoyama, Nobuyuki Yamaguchi | 2011-04-12 |