Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371694 | Scientific calculator | Hideyasu Koumo | 1994-12-06 |
| 5335193 | Scientific calculator with coordinate transformation and single line numeric value display | — | 1994-08-02 |
| 5285399 | Calculator with easily enterable constant calculation mode | Shinichi Nishiguchi | 1994-02-08 |