Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9449474 | Sales data processing device, sales data processing method and computer readable storage medium | — | 2016-09-20 |
| 7093137 | Database management apparatus and encrypting/decrypting system | Makoto Sato, Tsuneharu Takeda, Junji Mori | 2006-08-15 |
| 5542518 | Method of identifying the denominations of pieces of paper | Kazuto Matsuo, Akira Minoguchi | 1996-08-06 |