Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954472 | Method and device of superimposing an additional information signal on a video signal and detecting said additional information from said video signal | Akira Ogino, Nozomu Ikeda, Yuji Kimura, Takashi Kohashi | 2005-10-11 |