Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5909517 | Image reading device with digitizing condition adjusting capability | Tetsuya Kato | 1999-06-01 |
| 5850431 | Facsimile/voice phone combined device producing DTMF oscillation sound when pushing fax dial buttons | — | 1998-12-15 |
| 5745254 | Image reading device used in a facsimile machine | — | 1998-04-28 |
| 5159471 | Scanner device having a binary signal depending upon density level of adjacent pixels | Masaaki Terazawa, Kazuhiro Kuwabara | 1992-10-27 |