Assignee
COLDWATT INC
US16 patents
Top patents by PatentIndex Score
US6980077B1Dec 27, 2005
Composite magnetic core for switch-mode power converters
COLDWATT INC280 citations99
US7427910B2Sep 23, 2008
Winding structure for efficient switch-mode power converters
COLDWATT INC56 citations98
US7385375B2Jun 10, 2008
Control circuit for a depletion mode switch and method of operating the same
COLDWATT INC85 citations98
US7339208B2Mar 4, 2008
Semiconductor device having multiple lateral channels and method of forming the same
COLDWATT INC76 citations98
US7321283B2Jan 22, 2008
Vertical winding structures for planar magnetic switched-mode power converters
COLDWATT INC91 citations98
US7280026B2Oct 9, 2007
Extended E matrix integrated magnetics (MIM) core
COLDWATT INC64 citations98
US7176662B2Feb 13, 2007
Power converter employing a tapped inductor and integrated magnetics and method of operating the same
COLDWATT INC113 citations98
US7012414B1Mar 14, 2006
Vertically packaged switched-mode power converter
COLDWATT INC128 citations98
US7417875B2Aug 26, 2008
Power converter employing integrated magnetics with a current multiplier rectifier and method of operating the same
COLDWATT INC54 citations96
US7298118B2Nov 20, 2007
Power converter employing a tapped inductor and integrated magnetics and method of operating the same
COLDWATT INC53 citations96
US7285807B2Oct 23, 2007
Semiconductor device having substrate-driven field-effect transistor and Schottky diode and method of forming the same
COLDWATT INC55 citations96
US7046523B2May 16, 2006
Core structure and interleaved DC—DC converter topology
COLDWATT INC113 citations96
US7462891B2Dec 9, 2008
Semiconductor device having an interconnect with sloped walls and method of forming the same
COLDWATT INC48 citations92
US7439556B2Oct 21, 2008
Substrate driven field-effect transistor
COLDWATT INC32 citations92
US7439557B2Oct 21, 2008
Semiconductor device having a lateral channel and contacts on opposing surfaces thereof
COLDWATT INC32 citations92
US7431862B2Oct 7, 2008
Synthesis of magnetic, dielectric or phosphorescent NANO composites
COLDWATT INC30 citations91