Issued Patents 2005
Showing 1–2 of 2 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 | Nozomu Ikeda, Yuji Kimura, Hisayoshi Moriwaki, Takashi Kohashi | 2005-10-11 |
| 6954856 | Additional information embedding method, additional information detecting method, additional information embedding apparatus and additional information detecting apparatus | Takashi Kohashi, Hiroyuki Kimura, Hiroshi Yoshiura, Yoshiaki Moriyama, Kazumi Sugaya | 2005-10-11 |