Issued Patents All Time
Showing 1–2 of 2 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, Naoko Kurisaki | 2011-02-15 |
| 7370363 | Electronic information embedding method and extracting method, electronic information burying apparatus and extracting apparatus, and programs therefor | Satoshi Kanai, Tatsuhide Nakane, Naoko Kurisaki | 2008-05-06 |