Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6782191 | Additional information superposing method, information signal copy control method, information signal output device and information signal recording device | Nozomu Ikeda, Akira Ogino | 2004-08-24 |
| 6779198 | Data processing apparatus, data processing method, and recording medium | Takeo Morinaga, Iwao Yamamoto, Hajime Inoue, Noriyuki Yamamoto, Koichi Oyama +1 more | 2004-08-17 |