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Your search returned 969 patents.
( 369/275.4 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 7072278 | Optical reproducing method for optical medium with aligned prepit portion
| July 12, 2005 |
| 7072277 | Optical reproducing method for optical medium with aligned prepit portion
| July 12, 2005 |
| 7068590 | Optical disc and manufacturing method for the same
| December 1, 2004 |
| 7068589 | Optical disc and optical disc address reading apparatus and method
| July 10, 2003 |
| 7068588 | Optical disk medium having a predetermined change in the tilt of the surface
| May 6, 2003 |
| 7068585 | Optical information recording medium
| April 4, 2003 |
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