Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7970164 | Digital watermark padding method, digital watermark padding device, digital watermark detecting method, digital watermark detecting device, and program | Takao Nakamura, Susumu Yamamoto, Ryo Kitahara, Takashi Miyatake, Hisato Miyachi | 2011-06-28 |