Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477276 | Apparatus for and method of embedding and extracting digital information and medium having program for carrying out the method recorded thereon | Hisashi Inoue, Mikio Shimazu, Shuichi Ojima, Takashi Katsura, Akio Miyazaki +1 more | 2002-11-05 |