Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637653 | Method of measuring coercive force of a magnetic card | Yukihiko Takita | 2003-10-28 |
| 6629643 | Magnetic card transaction apparatus | Shigeyuki Nagata, Kenji Hirasawa | 2003-10-07 |