Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701581 | Method for bidirectionally transmitting digital video signal and digital video signal bidirectional transmission system | Yoshizumi Eto, Kazuhiro Tanabe, Hiroyuki Nisikawa | 1997-12-23 |