Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887082 | Data input apparatus | — | 1989-12-12 |
| 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, Toshiaki Ozawa, Hiroharu Nakajima, Hiroatsu Kondo | 1989-11-14 |
| 4846593 | Printing apparatus system with a plurality of interchangeable type units | Hiroyuki Ueda, Toshiaki Ozawa, Hiroharu Nakajima, Hiroatsu Kondo | 1989-07-11 |
| 4802777 | Print wheel and carriage drive system for a printer | — | 1989-02-07 |