Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D352306 | Ink ribbon cassette for printer | — | 1994-11-08 |
| 5263784 | Sheet feeder for printer | Tadashi Mitsuhashi, Tomoo Ikeda, Kouji Hiruma | 1993-11-23 |
| 4732499 | Ribbon cartridge for printers | Takashi Sawada | 1988-03-22 |