Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769610 | Credit card double authentication system | Takaaki Habara, Toshihito Ochi, Mutsuharu Takesada, Noriaki Shiomi, Hikaru Numoto +1 more | 2004-08-03 |
| 6726109 | Passport with anti-counterfeit ID chip | Mutsuharu Takesada, Takaaki Habara, Mina Imai | 2004-04-27 |