Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648988 | Communication system including a digital roll-off filter | Takanori Iwamatsu | 1997-07-15 |
| 5495501 | Communication system including a digital roll-off filter | Takanori Iwamatsu | 1996-02-27 |