Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10924492 | Information leakage prevention system and method | Atsuo Inoue, Tateki Harada | 2021-02-16 |
| 9154802 | Emergable watermark superimposing method, emergable watermark superimposing apparatus, and emergable watermark superimposing system | Yoshiyasu Tanaka, Takaaki Yamada | 2015-10-06 |
| 8938088 | Method and apparatus for classifying sections of an image into a plurality of embedded areas | Yoshiyasu Tanaka, Takaaki Yamada | 2015-01-20 |