Assignee
MATSUSAKA KEIJI
JP·6 granted patents·42 citations·filing 2007–2013
Top patents by PatentIndex Score
6 records- 0192US8917457B2Imaging lens, imaging optical device, and digital equipmentMATSUSAKA KEIJI·Filed 2011·Granted Dec 23, 2014·16 cites·34 claims
- 0289US8654242B2Single-focus optical system, image pickup device, and digital apparatusMATSUSAKA KEIJI·Filed 2010·Granted Feb 18, 2014·14 cites·18 claims
- 0384US8704937B2Imaging optical system, imaging device, and digital apparatusMATSUSAKA KEIJI·Filed 2013·Granted Apr 22, 2014·6 cites·11 claims
- 0464US8531578B2Wide angle optical system, imaging lens device, monitor camera, and digital apparatusMATSUSAKA KEIJI·Filed 2008·Granted Sep 10, 2013·3 cites·22 claims
- 0558US8270095B2Variable-power optical system, image pickup device, and digital apparatusMATSUSAKA KEIJI·Filed 2007·Granted Sep 18, 2012·2 cites·19 claims
- 0654US8576501B2Wide-angle optical system, image pickup lens device, monitor camera, and digital apparatusMATSUSAKA KEIJI·Filed 2008·Granted Nov 5, 2013·1 cites·20 claims
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