Issued Patents 2002
Showing 1–2 of 2 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 | Shiro Iwasaki, Mikio Shimazu, Shuichi Ojima, Takashi Katsura, Akio Miyazaki +1 more | 2002-11-05 |
| 6462783 | Picture encoding method and apparatus | Masataka Okayama, Takeo Tomokane, Takeshi Ogino | 2002-10-08 |