Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445792 | Echo canceller for decreasing a deterioration factor of a speech quality | Koichi Shiraki | 2002-09-03 |
IK
Ikuo Kajiyama
Overall (2002): #201,631 of 266,432Top 80%
1
Patents 2002