Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6133924 | Calculator | Matsutaka Ito, Michiaki Kuno | 2000-10-17 |
| 6104411 | Electronic computing apparatus having graph displaying function and method for displaying graph | Matsutaka Ito | 2000-08-15 |
| 5943247 | Electronic desk calculator with counter and counter display | Shuji Kaya, Eiji Maruo | 1999-08-24 |