Assignee
MATSUZAKI KEIICHI
JP·3 granted patents·1 pending application·0 citations·filing 2007–2012
Top patents by PatentIndex Score
4 records- 0155USRE43540EOptical pickup, optical disc drive device, and optical information deviceMATSUZAKI KEIICHI·Filed 2007·Granted Jul 24, 2012·0 cites·27 claims
- 0246US8837264B2Optical information device, optical disc driving device, optical information recording device, optical information reproducing device, gap control method, and optical pickupMATSUZAKI KEIICHI·Filed 2012·Granted Sep 16, 2014·0 cites·25 claims
- 0345US2008089194A1Optical pickup, optical disk drive, optical information recording/replaying device, and tilt adjusting methodMATSUZAKI KEIICHI·Filed 2007·Application pending·0 cites
- 0438US8437239B2Optical pickup, optical disk drive device, optical information recording device, and optical information reproduction deviceMATSUZAKI KEIICHI·Filed 2011·Granted May 7, 2013·0 cites·14 claims
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