Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880325 | Ink ribbon cassette including means for identifying the type of ink ribbon contained therein and containing an ink ribbon having end indication means | Hiroyuki Ueda, Yasuaki Yamada, Toshiaki Ozawa, Hiroatsu Kondo | 1989-11-14 |
| 4865476 | Carriage mechanism providing movement of a print wheel motor | Hiroatsu Kondo, Toshiaki Ozawa, Hiroyuki Ueda | 1989-09-12 |
| 4846593 | Printing apparatus system with a plurality of interchangeable type units | Hiroyuki Ueda, Yasuaki Yamada, Toshiaki Ozawa, Hiroatsu Kondo | 1989-07-11 |