Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6898426 | Mobile phone terminal, and peripheral unit for acoustic test of mobile phone terminal | — | 2005-05-24 |
| 6868158 | Echo processing apparatus | Shinya Takahashi, Ikuo Kajiyama | 2005-03-15 |