Inventor
LAI JIH-SHENG
TW28 patents
⚠️ This page may combine multiple inventors who share the name “LAI JIH-SHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ELECTRIC POWER RES INST
5 patentsUS5426350AJun 20, 1995
High frequency transformerless electronics ballast using double inductor-capacitor resonant power conversion for gas discharge lamps
ELECTRIC POWER RES INST75 citations96
US5406051AApr 11, 1995
Welding machine with a high frequency converter
ELECTRIC POWER RES INST94 citations96
US7050311B2May 23, 2006
Multilevel converter based intelligent universal transformer
ELECTRIC POWER RES INST90 citations95
US6954366B2Oct 11, 2005
Multifunction hybrid intelligent universal transformer
ELECTRIC POWER RES INST90 citations95
US7405910B2Jul 29, 2008
Multifunction hybrid solid-state switchgear
ELECTRIC POWER RES INST13 citations77
VIRGINIA TECH INTELL PROP
4 patentsUS7336004B2Feb 26, 2008
Topologies for using multiple energy sources for power conversions
VIRGINIA TECH INTELL PROP211 citations99
US7138730B2Nov 21, 2006
Topologies for multiple energy sources
VIRGINIA TECH INTELL PROP74 citations98
US6876556B2Apr 5, 2005
Accelerated commutation for passive clamp isolated boost converters
VIRGINIA TECH INTELL PROP62 citations96
US7518886B1Apr 14, 2009
Multiphase soft switched DC/DC converter and active control technique for fuel cell ripple current elimination
VIRGINIA TECH INTELL PROP140 citations92
LOCKHEED MARTIN ENERGY SYS INC
3 patentsUS5644483AJul 1, 1997
Voltage balanced multilevel voltage source converter system
LOCKHEED MARTIN ENERGY SYS INC137 citations97
USRE37126EApr 3, 2001
Multilevel cascade voltage source inverter with seperate DC sources
LOCKHEED MARTIN ENERGY SYS INC65 citations95
US5710698AJan 20, 1998
Delta connected resonant snubber circuit
LOCKHEED MARTIN ENERGY SYS INC41 citations89