Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4268182 | Device for detecting travel condition of inkribbon for printers | Nagao Mizutani, Toshikazu Shimazaki | 1981-05-19 |
| 4188135 | Multiple inked ribbon color changeover mechanism for printing machine | Nagao Mizutani, Takashi Sawada, Michio Koizumi, Toshio Kurihara | 1980-02-12 |