Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045754 | Processor and method for processing image to update information embedded unreadably in a printed document | — | 2011-10-25 |
| 7920715 | Apparatus and method for embedding electronic watermark | Takashi Hashimoto | 2011-04-05 |