Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6360052 | Method and device for adding information to video signal, method and device for detection information from video signal, and recording medium | Nozomu Ikeda, Takehiro Sugita | 2002-03-19 |
| 6359999 | Method of adding information to video signal and information adding device | Hisayoshi Moriwaki, Takashi Kohashi, Yuji Kimura, Nozomu Ikeda | 2002-03-19 |
| 6359905 | Method and apparatus of detecting spectrum spread signal | Hisayoshi Moriwaki, Yuji Kimura, Takashi Kohashi, Nozomu Ikeda | 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 | Nozomu Ikeda | 2002-03-12 |
| 6342924 | Additional information superposition method and video signal outputting apparatus | Nozomu Ikeda, Takashi Kohashi, Yuji Kimura, Hisayoshi Moriwaki | 2002-01-29 |
| 6343181 | Method and apparatus for superimposing additional information signal to video signal | Nozomu Ikeda | 2002-01-29 |
| 6341141 | Method and apparatus for detecting spectrum spread signals | Takashi Kohashi, Hisayoshi Moriwaki, Yuji Kimura, Nozomu Ikeda | 2002-01-22 |
| 6339449 | Method and device for superimposing additional information on a video signal | Nozomu Ikeda, Hisayoshi Moriwaki, Takashi Kohashi, Yuji Kimura | 2002-01-15 |
| 6330393 | Method and device for information anti-duplication | Takashi Usui, Takehiro Sugita | 2001-12-11 |
| 6295303 | 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 | 2001-09-25 |
| 6282654 | Information signal recording/reproducing system, information signal recording device, information signal reproducing device and information signal recording/reproducing process | Nozomu Ikeda | 2001-08-28 |
| 6271887 | Method, apparatus and system for transmitting and receiving an image signal having superimposed information and for extracting information superimposed on an image signal | Nozomu Ikeda | 2001-08-07 |
| 6263153 | Video signal transmission method, superimposed information extraction method, video signal output device, video signal recording device, and video signal recording medium | Nozomu Ikeda | 2001-07-17 |
| 6263165 | Device and method for detecting a rest position of a revolving body, and an apparatus equipped with such a device | Yoshiyuki Inoue, Yoshiharu Tanaka, Ryuichi Yasuhara | 2001-07-17 |
| 6253020 | Video signal transmission method superimposed information transmission method video signal output device video signal reception device and video signal recording medium | Nozomu Ikeda | 2001-06-26 |
| 6204981 | Method for superimposing and detecting additional information signal, method for detecting additional information signal, device for detecting additional information signal, and device for recording information signal | Nozomu Ikeda | 2001-03-20 |
| 6195129 | Video signal transmission device, video signal output device, video signal reception device, video signal duplication control system, information superimposing/extraction device, and image recording medium | Takehiro Sugita, Takashi Usui | 2001-02-27 |
| 6163565 | Additional information signal superimposing and detecting system additional information signal superimposing and detecting method and additional information signal detecting method and apparatus therefor | Hisayoshi Moriwaki, Takashi Kohashi, Yuji Kimura, Nozomu Ikeda | 2000-12-19 |
| 6112008 | Duplication control system using two differently generated control signals superimposed on the information signal | Takehiro Sugita, Takashi Usui | 2000-08-29 |
| 6101051 | Information recording and updating method, information recording and updating apparatus, recording medium initializing apparatus and recording medium | Takehiro Sugita, Takashi Usui | 2000-08-08 |
| 6069665 | Additional information superimposition device | Nozomu Ikeda | 2000-05-30 |
| 6058243 | Video duplication control system, video playback device, video recording device, information superimposing and extracting device, and video recording medium | Takehiro Sugita, Takashi Usui | 2000-05-02 |
| 6023551 | Information signal reproduction control system | Takehiro Sugita, Takashi Usui | 2000-02-08 |
| 5815751 | Camera loadable with film cartridge having film photographing information | Ryuichi Yasuhara | 1998-09-29 |
| 5162903 | Apparatus for switching between two asynchronous video signals | Masashi Nakamura | 1992-11-10 |