Inventor

LIU KWANG H

US12 patents

⚠️ This page may combine multiple inventors who share the name “LIU KWANG H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ARQUES TECHNOLOGY INC

3 patents

US6798177B1Sep 28, 2004

Boost-buck cascade converter for pulsating loads

ARQUES TECHNOLOGY INC240 citations97

US6903535B2Jun 7, 2005

Biasing system and method for low voltage DC—DC converters with built-in N-FETs

ARQUES TECHNOLOGY INC50 citations90

US6707280B1Mar 16, 2004

Bidirectional voltage regulator sourcing and sinking current for line termination

ARQUES TECHNOLOGY INC34 citations90

O2MICRO INT LTD

2 patents

US5903764AMay 11, 1999

Smart battery selector offering power conversion internally within a portable device

O2MICRO INT LTD196 citations98

US5892336AApr 6, 1999

Circuit for energizing cold-cathode fluorescent lamps

O2MICRO INT LTD102 citations94

ARQUES TECHNOLOGY

2 patents

US7106566B2Sep 12, 2006

Power adapter interface circuitry for protecting a battery operated system

ARQUES TECHNOLOGY21 citations88

US7057310B2Jun 6, 2006

Dual-output voltage regulator

ARQUES TECHNOLOGY23 citations88

O2MICRO INC

1 patent

US5619402AApr 8, 1997

Higher-efficiency cold-cathode fluorescent lamp power supply

O2MICRO INC234 citations98

SEMTECH CORP

1 patent

US6495995B2Dec 17, 2002

Self-clocking multiphase power supply controller

SEMTECH CORP114 citations97

(unassigned)

1 patent

US5999421ADec 7, 1999

Dual-channel power system with an eight-pin PWM control chip

70 citations95

ARQUESTTECHNOLOGY INC

1 patent

US6861824B1Mar 1, 2005

Charger system with dual-level current regulation and dual-level thermal regulation

ARQUESTTECHNOLOGY INC77 citations94

LIU KWANG H

1 patent

USD425233SMay 16, 2000

Decorative fluorescent lamp and lamp fixture

LIU KWANG H30 citations89