Assignee
YAMAMOTO MASAFUMI
JP·8 granted patents·1 pending application·14 citations·filing 1989–2013
Top patents by PatentIndex Score
9 records- 0170US8253351B2Electronic ballast with multimode lamp power controlYAMAMOTO MASAFUMI·Filed 2009·Granted Aug 28, 2012·4 cites·13 claims
- 0267US9409568B2Hybrid vehicle drive apparatusYAMAMOTO MASAFUMI·Filed 2012·Granted Aug 9, 2016·3 cites·8 claims
- 0364US9005064B2VehicleYAMAMOTO MASAFUMI·Filed 2013·Granted Apr 14, 2015·3 cites·4 claims
- 0458US8203282B2Electronic ballast with lamp end of life detection and protection circuitsYAMAMOTO MASAFUMI·Filed 2009·Granted Jun 19, 2012·1 cites·5 claims
- 0555US9075399B2Positioning control system for actuator provided with wave gear deviceYAMAMOTO MASAFUMI·Filed 2011·Granted Jul 7, 2015·1 cites·4 claims
- 0647US8669718B2Lighting device and illumination apparatus using sameYAMAMOTO MASAFUMI·Filed 2012·Granted Mar 11, 2014·0 cites·4 claims
- 0744US8245995B2Wall-mounted device and timepiece with the sameYAMAMOTO MASAFUMI·Filed 2007·Granted Aug 21, 2012·0 cites·10 claims
- 0832US2007254247A1Radiation-sensitive resin compositionYAMAMOTO MASAFUMI·Filed 2005·Application pending·0 cites
- 0931US4906426AProcess for producing an alumina-silica-chromia ternary fiberYAMAMOTO MASAFUMI·Filed 1989·Granted Mar 6, 1990·2 cites·4 claims
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