Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631648 | Signal compression or expansion circuit for mobile communication | Takaaki Yamada, Kazuo Kumano | 1997-05-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631648 | Signal compression or expansion circuit for mobile communication | Takaaki Yamada, Kazuo Kumano | 1997-05-20 |