Assignee
ISHIKAWA YOSHINORI
JP·6 granted patents·3 pending applications·1 citations·filing 2008–2012
Top patents by PatentIndex Score
9 records- 0162US8120999B2Optical disc apparatus and defocus correcting methodISHIKAWA YOSHINORI·Filed 2010·Granted Feb 21, 2012·1 cites·12 claims
- 0259US8174945B2Multi-layered optical disk and optical disk device capable of addressing a focus lead-in operationISHIKAWA YOSHINORI·Filed 2009·Granted May 8, 2012·0 cites·1 claims
- 0359US2010226239A1Multilayer optical discISHIKAWA YOSHINORI·Filed 2008·Application pending·0 cites
- 0456US8179752B2Optical disc apparatus thereforISHIKAWA YOSHINORI·Filed 2009·Granted May 15, 2012·0 cites·10 claims
- 0553US8514684B2Multilayer optical disc for easy positioning of a focused beamISHIKAWA YOSHINORI·Filed 2011·Granted Aug 20, 2013·0 cites·4 claims
- 0652US8233374B2Multilayer optical discISHIKAWA YOSHINORI·Filed 2008·Granted Jul 31, 2012·0 cites·20 claims
- 0748US8427913B2Servo control signal generation device and an optical disk device using the sameISHIKAWA YOSHINORI·Filed 2010·Granted Apr 23, 2013·0 cites·8 claims
- 0848US2012106307A1Optical disc apparatus and defocus correcting methodISHIKAWA YOSHINORI·Filed 2012·Application pending·0 cites
- 0937US2011051575A1Focus jump method and optical disc apparatusISHIKAWA YOSHINORI·Filed 2010·Application pending·0 cites
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