Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9536274 | Drawing processor, drawing processing system, and drawing processing method | Michel Xavier, Osamu Ota | 2017-01-03 |
| 7337321 | Digital content protection using invisible and visible watermarks | Koichi Terada, Yukio Fujii, Yoshifumi Fujikawa | 2008-02-26 |