Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803253 | Method for laminating and mounting semiconductor chip | Masamoto Tago | 2004-10-12 |
| 6704415 | Echo canceler | Hiroshi Katayama, Yasushi Yamazaki, Hitoshi Matsuzawa, Mutsumi Saito, Hisanari Kimura | 2004-03-09 |