Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7571243 | Information terminal, method for controlling information terminal, program for controlling information terminal, and recording medium | — | 2009-08-04 |
| 6915398 | Data reproduction system, data recorder and data reader preventing fraudulent usage by monitoring reproducible time limit | Takanobu Matsubara | 2005-07-05 |