Assignee
ZEN RES IRELAND LTD
US·8 granted patents·131 citations·filing 1998–1999
Top patents by PatentIndex Score
8 records- 0176US6229771B1Method and apparatus for generating focus error signals in a multi-beam optical disk driveZEN RES IRELAND LTD·Filed 1998·Granted May 8, 2001·31 cites·29 claims
- 0270US6430125B1Methods and apparatus for detecting and correcting magnification error in a multi-beam optical disk driveZEN RES IRELAND LTD·Filed 1998·Granted Aug 6, 2002·22 cites·30 claims
- 0368US6418101B1Digital read channel for optical disk readerZEN RES IRELAND LTD·Filed 1999·Granted Jul 9, 2002·25 cites·8 claims
- 0463US6314071B1Method and apparatus for reading multiple tracks and writing at least one track of an optical diskZEN RES IRELAND LTD·Filed 1998·Granted Nov 6, 2001·18 cites·13 claims
- 0555US6381210B1Methods and apparatus for concurrently processing data from multiple tracks of an optical storage mediumZEN RES IRELAND LTD·Filed 1998·Granted Apr 30, 2002·12 cites·29 claims
- 0651US6373793B1Multibeam optical disk readout method and apparatusZEN RES IRELAND LTD·Filed 1998·Granted Apr 16, 2002·13 cites·6 claims
- 0744US6449225B1Method and apparatus for reading multiple tracks of an optical diskZEN RES IRELAND LTD·Filed 1999·Granted Sep 10, 2002·6 cites·22 claims
- 0838US6411573B1Multi-beam optical pickupZEN RES IRELAND LTD·Filed 1998·Granted Jun 25, 2002·4 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →