Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955300 | Dual interface IC card | Hiroshi Yoshigi, Tadashi Oonishi, Kazuki Watanabe | 2005-10-18 |
| 6637664 | Composite IC card | Hiroshi Yoshigi, Tadashi Oonishi, Kazuki Watanabe | 2003-10-28 |
| 6585166 | Composite IC card | Hiroshi Yoshigi, Tadashi Oonishi, Kazuki Watanabe | 2003-07-01 |
| 6173900 | IC card | Hiroshi Yoshigi, Ryouzou Yoshino, Kimiaki Andou, Tadashi Oonishi, Koji Tsuru +4 more | 2001-01-16 |