Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637664 | Composite IC card | Hiroshi Yoshigi, Takehiro Ookawa, Kazuki Watanabe | 2003-10-28 |
| 6585166 | Composite IC card | Takehiro Ookawa, Hiroshi Yoshigi, Kazuki Watanabe | 2003-07-01 |