Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8126202 | 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, Atushi Katayama | 2012-02-28 |
| 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, Atushi Katayama | 2011-06-28 |