Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7974603 | Authentication vector generating device, subscriber authentication module, mobile communication system, and authentication vector generation method | Hidetoshi Ishikawa, Teruaki Shiro | 2011-07-05 |
| 7937082 | Mobile communication terminal, IC card, mobile communication system, program, and communication charge notification method | Takeshi Ohno, Hidetoshi Ishikawa | 2011-05-03 |