Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487293 | Method and apparatus for reproducing ciphered data | Yoichiro Sako, Isao Kawashima, Akira Kurihara, Hideo Owa | 2002-11-26 |
| 6463153 | Method for transmitting data apparatus for recording data medium for recording data and apparatus for reproducing data | Yoichiro Sako, Akira Kurihara, Isao Kawashima, Hideo Owa | 2002-10-08 |
| 6445795 | Data recording method and apparatus, data record medium and data reproducing method and apparatus | Yoichiro Sako, Isao Kawashima, Akira Kurihara, Hideo Owa | 2002-09-03 |
| 6363209 | Signal recording/reproducing method and apparatus, signal record medium and signal | Yoichiro Sako, Isao Kawashima, Akira Kurihara, Shozo Masuda | 2002-03-26 |
| 6360320 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, INFORMATION PROCESSING SYSTEM AND RECORDING MEDIUM USING AN APPARATUS ID AND PROVIDED LICENSE KEY FOR AUTHENTICATION OF EACH INFORMATION TO BE PROCESSED | Ryuji Ishiguro, Yoshio Osakabe, Makoto Sato, Hisato Shima, Tomoyuki Asano | 2002-03-19 |
| 6345145 | Signal recording/reproducing method and apparatus, signal record medium and signal transmission/reception method and apparatus | Yoichiro Sako, Isao Kawashima, Akira Kurihara, Shozo Masuda | 2002-02-05 |
| 6345146 | Signal recording/reproducing method and apparatus, signal record medium and signal transmission/reception method and apparatus | Yoichiro Sako, Isao Kawashima, Akira Kurihara, Shozo Masuda | 2002-02-05 |