Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6246775 | Method and appartus for superposing a digital watermark and method and apparatus for detecting a digital watermark | Takeshi Nakamura, Kazumi Sugaya | 2001-06-12 |
YO
Yoshiaki Oriyama
Overall (All Time): #3,585,083 of 4,157,543Top 90%
1
Patents All Time