Issued Patents 2003
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636551 | ADDITIONAL INFORMATION TRANSMISSION METHOD, ADDITIONAL INFORMATION TRANSMISSION SYSTEM, INFORMATION SIGNAL OUTPUT APPARATUS, INFORMATION SIGNAL PROCESSING APPARATUS, INFORMATION SIGNAL RECORDING APPARATUS AND INFORMATION SIGNAL RECORDING MEDIUM | Nozomu Ikeda, Takashi Kohashi, Yuji Kimura, Hisayoshi Moriwaki | 2003-10-21 |
| 6603576 | Method and apparatus for superimposing additional information with image signal | Masashi Nakamura | 2003-08-05 |
| 6577810 | Method of restricting reproduction for information signal, information signal reproducing device, and information signal recording medium | — | 2003-06-10 |
| 6574735 | Information signal recording/reproducing system, information signal recording device, information signal reproducing device and information signal recording/reproducing process | Nozomu Ikeda | 2003-06-03 |
| 6571220 | Copy generation management method, information signal reproducing method, information signal reproducing apparatus, and information signal recording apparatus | Ikuko Sakudo, Takashi Yamanishi | 2003-05-27 |
| 6526510 | Signal reproducing method and apparatus, signal recording method and apparatus and signal recording system | Teruhiko Kori, Tadashi Ezaki, Yuji Kimura | 2003-02-25 |
| 6522685 | Information signal processing unit | — | 2003-02-18 |
| 6510183 | Method and apparatus for superimposing and detecting an additional information signal | Nozomu Ikeda, Takehiro Sugita, Takashi Usui | 2003-01-21 |