Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7978877 | Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program | Takao Nakamura, Hiroshi Ogawa, Atsuki Tomioka | 2011-07-12 |