Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480607 | Encrypted data reproducing transmitting and processing method and apparatus with separately encrypted control data | Teruhiko Kori, Tadashi Ezaki, Akira Ogino | 2002-11-12 |
| 6470137 | Method and apparatus for superimposing a level changed spectrum spread additional information signal on a video signal | Nozomu Ikeda, Akira Ogino, Hisayoshi Moriwaki, Takashi Kohashi | 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, Akira Ogino, Nozomu Ikeda | 2002-10-15 |
| 6359905 | Method and apparatus of detecting spectrum spread signal | Akira Ogino, Hisayoshi Moriwaki, Takashi Kohashi, Nozomu Ikeda | 2002-03-19 |
| 6359999 | Method of adding information to video signal and information adding device | Hisayoshi Moriwaki, Takashi Kohashi, Akira Ogino, Nozomu Ikeda | 2002-03-19 |
| 6349870 | Method of manufacturing electronic component | Shigeto Taga | 2002-02-26 |
| 6342924 | Additional information superposition method and video signal outputting apparatus | Nozomu Ikeda, Akira Ogino, Takashi Kohashi, Hisayoshi Moriwaki | 2002-01-29 |
| 6341141 | Method and apparatus for detecting spectrum spread signals | Takashi Kohashi, Akira Ogino, Hisayoshi Moriwaki, Nozomu Ikeda | 2002-01-22 |
| 6339449 | Method and device for superimposing additional information on a video signal | Nozomu Ikeda, Akira Ogino, Hisayoshi Moriwaki, Takashi Kohashi | 2002-01-15 |