Issued Patents 2002
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477316 | Video signal transmission method, superimposed information extraction method, video signal output device, video signal recording device, and video signal recording medium | Akira Ogino | 2002-11-05 |
| 6470137 | Method and apparatus for superimposing a level changed spectrum spread additional information signal on a video signal | Akira Ogino, Hisayoshi Moriwaki, Takashi Kohashi, Yuji Kimura | 2002-10-22 |
| 6466617 | Additional information signal superimposing and detecting system, additional information superimposing and detecting method, and additional information signal detecting method and apparatus therefor | Hisayoshi Moriwaki, Takashi Kohashi, Yuji Kimura, Akira Ogino | 2002-10-15 |
| 6441859 | Image signal transmitting method, superimposed signal extracting method, image signal output apparatus, image signal receiving apparatus and image signal recording medium | Akira Ogino | 2002-08-27 |
| 6430291 | Method and device for controlling information signal recording | Akira Ogino | 2002-08-06 |
| 6359999 | Method of adding information to video signal and information adding device | Hisayoshi Moriwaki, Takashi Kohashi, Yuji Kimura, Akira Ogino | 2002-03-19 |
| 6359905 | Method and apparatus of detecting spectrum spread signal | Akira Ogino, Hisayoshi Moriwaki, Yuji Kimura, Takashi Kohashi | 2002-03-19 |
| 6360052 | Method and device for adding information to video signal, method and device for detection information from video signal, and recording medium | Akira Ogino, Takehiro Sugita | 2002-03-19 |
| 6356705 | Video signal transmission method, superimposed information extraction method, video signal output device, video signal recording device, and video signal recording medium | Akira Ogino | 2002-03-12 |
| 6343181 | Method and apparatus for superimposing additional information signal to video signal | Akira Ogino | 2002-01-29 |
| 6342924 | Additional information superposition method and video signal outputting apparatus | Akira Ogino, Takashi Kohashi, Yuji Kimura, Hisayoshi Moriwaki | 2002-01-29 |
| 6341141 | Method and apparatus for detecting spectrum spread signals | Takashi Kohashi, Akira Ogino, Hisayoshi Moriwaki, Yuji Kimura | 2002-01-22 |
| 6339449 | Method and device for superimposing additional information on a video signal | Akira Ogino, Hisayoshi Moriwaki, Takashi Kohashi, Yuji Kimura | 2002-01-15 |