Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7451485 | Information processing unit having tamper-resistant system | Takashi Watanabe, Takashi Endo, Masahiro Kaminaga, Kunihiko Nakada, Chiaki Tanimoto | 2008-11-11 |
| 7086087 | Information processing device, card device and information processing system | Masahiro Kaminaga, Takashi Endo, Masaru Ohki, Takashi Tsukamoto, Hiroshi Watase +5 more | 2006-08-01 |
| 6907526 | IC card and microprocessor | Chiaki Tanimoto, Kunihiko Nakada, Takashi Tsukamoto, Shigeo Hirabayashi, Hiroshi Watase +1 more | 2005-06-14 |