Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689513 | Data transmission system having a backup testing facility | Tohru Ogawa, Michiko Kawada | 1997-11-18 |
| 5598434 | Automatic equalizer with a branched input for improved accuracy | Takashi Kaku, Hideo Miyazawa | 1997-01-28 |