Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928072 | Communication device for providing information utilizing subscriber line | — | 2005-08-09 |
| 6801522 | Method of communicating with subscriber devices through a global communication network | — | 2004-10-05 |
| 5670804 | PN-junction gate FET | Toshiyuki Usagawa, Kenichi Tominaga | 1997-09-23 |