Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6704415 | Echo canceler | Hiroshi Katayama, Yasushi Yamazaki, Hitoshi Matsuzawa, Yoshihiro Tomita, Mutsumi Saito | 2004-03-09 |
HK
Hisanari Kimura
Overall (2004): #209,751 of 270,089Top 80%
1
Patents 2004