Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468078 | Printer color ink ribbon positioning control | Naoki Asai, Choji Morozumi, Yoshikazu Ito, Kiyoshi Ito | 1995-11-21 |
| 5360279 | Printer ink ribbon control | Naoki Asai, Choji Morozumi, Yoshikazu Ito, Kiyoshi Ito | 1994-11-01 |
| D316561 | Ink ribbon cartridge | — | 1991-04-30 |