Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696819 | Speech communication apparatus | Shinichi Suizu | 1997-12-09 |
| 5636323 | Speech communication apparatus having an echo canceler | Koki Otsuka | 1997-06-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696819 | Speech communication apparatus | Shinichi Suizu | 1997-12-09 |
| 5636323 | Speech communication apparatus having an echo canceler | Koki Otsuka | 1997-06-03 |