Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4609295 | Hand-held printing calculator | — | 1986-09-02 |
| 4408911 | Ink ribbon winding and reversing assembly | — | 1983-10-11 |
| D263604 | Inkroller set | — | 1982-03-30 |
| 4303013 | Micro-printer with unitary plastic frame | — | 1981-12-01 |
| 4284002 | Character-selecting mechanism for a printer | Yoshihiro Mitsui | 1981-08-18 |
| 4182240 | Printer control assembly | Yoshihiro Mitsui | 1980-01-08 |