Assignee
SONY NEC OPTIARC INC
JP·5 granted patents·1 pending application·12 citations·filing 2007–2007
Top patents by PatentIndex Score
6 records- 0183US7746747B2Optical recording medium drive apparatus and method of determining the number of layersSONY NEC OPTIARC INC·Filed 2007·Granted Jun 29, 2010·5 cites·4 claims
- 0273US7778136B2Optical recording medium driving apparatus and focusing methodSONY NEC OPTIARC INC·Filed 2007·Granted Aug 17, 2010·4 cites·7 claims
- 0370US7719950B2Disk drive apparatus and method for adjusting focus bias and spherical aberration correction valueSONY NEC OPTIARC INC·Filed 2007·Granted May 18, 2010·2 cites·6 claims
- 0465US7940622B2Recording/reproduction device, evaluation value calculation method, and evaluation value calculation deviceSONY NEC OPTIARC INC·Filed 2007·Granted May 10, 2011·1 cites·6 claims
- 0549US7843788B2Optical recording medium driving device and spherical aberration adjustment methodSONY NEC OPTIARC INC·Filed 2007·Granted Nov 30, 2010·0 cites·6 claims
- 0646US2007300245A1Disk drive apparatusSONY NEC OPTIARC INC·Filed 2007·Application pending·0 cites
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