Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7891006 | Electronic information embedding method and extracting method, electronic information burying apparatus and extracting apparatus, and programs therefor | Satoshi Kanai, Tatsuhide Nakane, Ikuhiro Kitamura | 2011-02-15 |