Inventor
SUGIYAMA TAKAHIDE
JP37 patents
⚠️ This page may combine multiple inventors who share the name “SUGIYAMA TAKAHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
13 patentsUS7737491B2Jun 15, 2010
Trench gate field effect devices
TOYOTA MOTOR CO LTD22 citations92
US7598566B2Oct 6, 2009
Trench gate field effect devices
TOYOTA MOTOR CO LTD25 citations92
US8846544B2Sep 30, 2014
Reverse recovery using oxygen-vacancy defects
TOYOTA MOTOR CO LTD6 citations83
US10658503B2May 19, 2020
Diode, semiconductor device, and MOSFET
TOYOTA MOTOR CO LTD1 citations73
US5604761AFeb 18, 1997
Layered semiconductor laser having solder laminations and method of making same
TOYOTA MOTOR CO LTD13 citations73
US9742296B2Aug 22, 2017
Isolated DC-DC power conversion circuit system with circulating current reduction
TOYOTA MOTOR CO LTD2 citations72
US9660543B2May 23, 2017
Electric power conversion circuit system
TOYOTA MOTOR CO LTD3 citations72
US9570995B2Feb 14, 2017
Magnetically coupled reactor and power converter
TOYOTA MOTOR CO LTD2 citations72
US9198332B2Nov 24, 2015
Cooling-type switching element module
TOYOTA MOTOR CO LTD4 citations71
US7569914B2Aug 4, 2009
Semiconductor devices and method of manufacturing them
TOYOTA MOTOR CO LTD3 citations62
US10147812B2Dec 4, 2018
Diode, semiconductor device, and MOSFET
TOYOTA MOTOR CO LTD0 citations52
US7507646B2Mar 24, 2009
Semiconductor devices and method of manufacturing them
TOYOTA MOTOR CO LTD1 citations52
US10020748B2Jul 10, 2018
Electric power conversion circuit
TOYOTA MOTOR CO LTD1 citations51
YAMAHA MOTOR POWER PRODUCTS KK
6 patentsUS7432606B2Oct 7, 2008
Engine generator
YAMAHA MOTOR POWER PRODUCTS KK23 citations92
US7717093B2May 18, 2010
Canister arrangement in power generating apparatus
YAMAHA MOTOR POWER PRODUCTS KK8 citations84
US7549403B2Jun 23, 2009
Engine generator
YAMAHA MOTOR POWER PRODUCTS KK10 citations84
US7717094B2May 18, 2010
Canister arrangement in power generating apparatus
YAMAHA MOTOR POWER PRODUCTS KK4 citations63
US7658182B2Feb 9, 2010
Canister mounting structure in power generating apparatus
YAMAHA MOTOR POWER PRODUCTS KK0 citations52
US7891344B2Feb 22, 2011
Fuel tank
YAMAHA MOTOR POWER PRODUCTS KK0 citations40
YAMAHA MOTOR CO LTD
4 patentsUS7064454B2Jun 20, 2006
Power generator system
YAMAHA MOTOR CO LTD29 citations92
US6979912B2Dec 27, 2005
Engine-driven generator
YAMAHA MOTOR CO LTD24 citations92
US6975042B2Dec 13, 2005
Engine-driven generator
YAMAHA MOTOR CO LTD42 citations89
US7309927B2Dec 18, 2007
Engine generator
YAMAHA MOTOR CO LTD17 citations83
TOYOTA CHUO KENKYUSHO KK
4 patentsUS7423316B2Sep 9, 2008
Semiconductor devices
TOYOTA CHUO KENKYUSHO KK35 citations91
US10340804B2Jul 2, 2019
Power supply circuit including converter and power supply system using the same
TOYOTA CHUO KENKYUSHO KK2 citations73
US9450499B2Sep 20, 2016
Electric power conversion circuit system
TOYOTA CHUO KENKYUSHO KK3 citations72
US9935548B2Apr 3, 2018
Power supply system having two DC power supplies
TOYOTA CHUO KENKYUSHO KK1 citations52