Assignee
YOKOYAMA EIJI
JP·3 granted patents·1 pending application·0 citations·filing 2005–2011
Top patents by PatentIndex Score
4 records- 0150US2006002266A1Optical disk device for data defect detection and useYOKOYAMA EIJI·Filed 2005·Application pending·0 cites
- 0247US8149665B2Optical disc deviceYOKOYAMA EIJI·Filed 2007·Granted Apr 3, 2012·0 cites·20 claims
- 0338US8827457B2ProjectorYOKOYAMA EIJI·Filed 2011·Granted Sep 9, 2014·0 cites·5 claims
- 0438US8390951B2Vibration damping device and disc device having vibration damping deviceYOKOYAMA EIJI·Filed 2010·Granted Mar 5, 2013·0 cites·16 claims
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