Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470137 | Method and apparatus for superimposing a level changed spectrum spread additional information signal on a video signal | Nozomu Ikeda, Akira Ogino, Hisayoshi Moriwaki, 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, Yuji Kimura, Akira Ogino, Nozomu Ikeda | 2002-10-15 |
| 6359905 | Method and apparatus of detecting spectrum spread signal | Akira Ogino, Hisayoshi Moriwaki, Yuji Kimura, Nozomu Ikeda | 2002-03-19 |
| 6359999 | Method of adding information to video signal and information adding device | Hisayoshi Moriwaki, Yuji Kimura, Akira Ogino, Nozomu Ikeda | 2002-03-19 |
| 6342924 | Additional information superposition method and video signal outputting apparatus | Nozomu Ikeda, Akira Ogino, Yuji Kimura, Hisayoshi Moriwaki | 2002-01-29 |
| 6341141 | Method and apparatus for detecting spectrum spread signals | Akira Ogino, Hisayoshi Moriwaki, Yuji Kimura, Nozomu Ikeda | 2002-01-22 |
| 6339449 | Method and device for superimposing additional information on a video signal | Nozomu Ikeda, Akira Ogino, Hisayoshi Moriwaki, Yuji Kimura | 2002-01-15 |