Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8285998 | Dynamic image content tamper detecting device and system | Isao Echizen, Takaaki Yamada, Michiro Maeta, Takashi Mizuno | 2012-10-09 |
| 6850624 | Data embedding apparatus, data extracting apparatus, and method therefor, and recording medium having such methods recorded thereon | Takashi Shinoda, Yoh Miyamoto | 2005-02-01 |