Assignee
NAKAI KENYA
JP·6 granted patents·1 citations·filing 2007–2012
Technology mixG11B6
Top patents by PatentIndex Score
6 records- 0165US8270264B2Optical head apparatus, optical disk apparatus and optical diskNAKAI KENYA·Filed 2008·Granted Sep 18, 2012·1 cites·4 claims
- 0253US8693295B2Optical disc medium and optical disc deviceNAKAI KENYA·Filed 2007·Granted Apr 8, 2014·0 cites·14 claims
- 0351US8130621B2Optical head device and optical disk playback systemNAKAI KENYA·Filed 2008·Granted Mar 6, 2012·0 cites·14 claims
- 0440US8971163B2Optical disc device, optical disc and testing method of optical discNAKAI KENYA·Filed 2012·Granted Mar 3, 2015·0 cites·6 claims
- 0540US8537653B2Optical information recording medium and drive deviceNAKAI KENYA·Filed 2011·Granted Sep 17, 2013·0 cites·13 claims
- 0633US8339909B2Optical disc deviceNAKAI KENYA·Filed 2010·Granted Dec 25, 2012·0 cites·6 claims
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