Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422468 | Visible display card and processing system | Yoshikazu Nishizawa, Masamitsu Ozawa | 2002-07-23 |
| 6392678 | Electrophoretic printing method and electrophoretic printer | Hirokazu Nakayama | 2002-05-21 |
| 6379239 | Device for counting coins or the like | Katsumi Sugai, Nobuyuki Nakatani | 2002-04-30 |