Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8891815 | Invisible information embedding apparatus, invisible information detecting apparatus, invisible information embedding method, invisible information detecting method, and storage medium | Naoto Hanyu, Hiroshi Fukui, Kenichi Sakuma, Takakuni Douseki | 2014-11-18 |