Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11445250 | Content distribution device | Naoto Takada, Shinsuke Matsumoto | 2022-09-13 |
| 7475327 | Optical disc recording and reproducing apparatus | Takuya Suzuki | 2009-01-06 |
| 7317396 | Optical disc having RFID tag, optical disc apparatus, and system for preventing unauthorized copying | — | 2008-01-08 |