Assignee
YAMAMOTO MASAFUMI
JP8 patents
Top patents by PatentIndex Score
US9409568B2Aug 9, 2016
Hybrid vehicle drive apparatus
YAMAMOTO MASAFUMI3 citations73
US9005064B2Apr 14, 2015
Vehicle
YAMAMOTO MASAFUMI3 citations62
US4906426AMar 6, 1990
Process for producing an alumina-silica-chromia ternary fiber
YAMAMOTO MASAFUMI2 citations62
US8253351B2Aug 28, 2012
Electronic ballast with multimode lamp power control
YAMAMOTO MASAFUMI4 citations60
US9075399B2Jul 7, 2015
Positioning control system for actuator provided with wave gear device
YAMAMOTO MASAFUMI1 citations50
US8203282B2Jun 19, 2012
Electronic ballast with lamp end of life detection and protection circuits
YAMAMOTO MASAFUMI1 citations50
US8245995B2Aug 21, 2012
Wall-mounted device and timepiece with the same
YAMAMOTO MASAFUMI0 citations41
US8669718B2Mar 11, 2014
Lighting device and illumination apparatus using same
YAMAMOTO MASAFUMI0 citations40