Assignee
SANO KOUSEI
JP·6 granted patents·1 pending application·0 citations·filing 2006–2012
Top patents by PatentIndex Score
7 records- 0163US8218418B2Optical information medium measurement method, optical information medium, recording apparatus, and reproducing apparatusSANO KOUSEI·Filed 2009·Granted Jul 10, 2012·0 cites·29 claims
- 0255US8228774B2Optical information medium measurement method, optical information medium, recording apparatus and reproducing apparatusSANO KOUSEI·Filed 2009·Granted Jul 24, 2012·0 cites·4 claims
- 0352US8259554B2Optical head device, optical information device, and diffractive elementSANO KOUSEI·Filed 2008·Granted Sep 4, 2012·0 cites·11 claims
- 0450US8295150B2Optical information medium measurement method, optical information method, optical information medium, recording apparatus, and reproducing apparatusSANO KOUSEI·Filed 2011·Granted Oct 23, 2012·0 cites·11 claims
- 0547US8107346B2Optical head device and optical information processing deviceSANO KOUSEI·Filed 2006·Granted Jan 31, 2012·0 cites·15 claims
- 0642US8780683B2Information recording medium, tracking method, and optical information apparatusSANO KOUSEI·Filed 2012·Granted Jul 15, 2014·0 cites·14 claims
- 0738US2012201114A1Optical pickup, optical recording/reproducing device, computer, optical disk recorder, and minute spot forming methodSANO KOUSEI·Filed 2010·Application pending·0 cites
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