Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816591 | Voice switching system and voice switching method | Yasuhiro Terada | 2004-11-09 |
| 6674863 | Microphone-speaker apparatus | — | 2004-01-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816591 | Voice switching system and voice switching method | Yasuhiro Terada | 2004-11-09 |
| 6674863 | Microphone-speaker apparatus | — | 2004-01-06 |