Assignee
YAMAZAKI KAZUYOSHI
JP·14 granted patents·3 pending applications·6 citations·filing 2006–2012
Technology mixG11B17
Top patents by PatentIndex Score
17 records- 0175US8223613B2Optical pickup device and optical disc apparatusYAMAZAKI KAZUYOSHI·Filed 2009·Granted Jul 17, 2012·2 cites·14 claims
- 0272US8295145B2Optical pickup device and optical disc apparatusYAMAZAKI KAZUYOSHI·Filed 2008·Granted Oct 23, 2012·2 cites·9 claims
- 0371US8295144B2Optical pickup device and optical disc apparatusYAMAZAKI KAZUYOSHI·Filed 2011·Granted Oct 23, 2012·2 cites·4 claims
- 0455US8094542B2Optical pickup device, optical disc device, and diffraction gratingYAMAZAKI KAZUYOSHI·Filed 2009·Granted Jan 10, 2012·0 cites·3 claims
- 0553US8547815B2Optical pickup device and optical disc apparatusYAMAZAKI KAZUYOSHI·Filed 2012·Granted Oct 1, 2013·0 cites·14 claims
- 0650US8254237B2Diffraction grating, optical pickup device and optical disc apparatusYAMAZAKI KAZUYOSHI·Filed 2011·Granted Aug 28, 2012·0 cites·4 claims
- 0749US8542560B2Diffraction grating and optical pickup deviceYAMAZAKI KAZUYOSHI·Filed 2006·Granted Sep 24, 2013·0 cites·5 claims
- 0846US8737180B2Optical pickup device and optical disc apparatus for recording and reproducing information on and from optical disc including plurality of recording layersYAMAZAKI KAZUYOSHI·Filed 2012·Granted May 27, 2014·0 cites·14 claims
- 0944US8520486B2Optical pickup device and optical disc apparatusYAMAZAKI KAZUYOSHI·Filed 2012·Granted Aug 27, 2013·0 cites·12 claims
- 1043US8565059B2Optical pickup device and optical disc apparatusYAMAZAKI KAZUYOSHI·Filed 2012·Granted Oct 22, 2013·0 cites·19 claims
- 1143US8488425B2Optical pickup device and optical disc apparatusYAMAZAKI KAZUYOSHI·Filed 2010·Granted Jul 16, 2013·0 cites·15 claims
- 1242US2012272254A1Optical pickup device and optical disc apparatusYAMAZAKI KAZUYOSHI·Filed 2012·Application pending·0 cites
- 1342US2013003517A1Optical pickup device, optical disc apparatus, and information recording methodYAMAZAKI KAZUYOSHI·Filed 2012·Application pending·0 cites
- 1442US2013003512A1Optical pickup device and optical disc apparatus equipped with the sameYAMAZAKI KAZUYOSHI·Filed 2012·Application pending·0 cites
- 1540US8605559B2Optical pickup device and optical disc apparatusYAMAZAKI KAZUYOSHI·Filed 2011·Granted Dec 10, 2013·0 cites·9 claims
- 1640US8531930B2Optical pickup device and optical disc apparatusYAMAZAKI KAZUYOSHI·Filed 2011·Granted Sep 10, 2013·0 cites·21 claims
- 1739US8509040B2Optical pickup device and optical disc apparatusYAMAZAKI KAZUYOSHI·Filed 2010·Granted Aug 13, 2013·0 cites·18 claims
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