Inventor · disambiguated record
Feng-Kang Hu
Also filed as: HU FENG · HU FENG-KANG
8 granted patents·2 pending applications·439 citations·filing 1990–2024
89Inventor score
Files withELECTRONIC BALLAST TECH3KONINKL PHILIPS ELECTRONICS NV2ABL IP HOLDING LLC1HUANENG LANCANG RIVER HYDROPOWER INC1PHILIPS ELECTRONIC NORTH AMERI1
Top patents by PatentIndex Score
10 records- 0188US5055746ARemote control of fluorescent lamp ballast using power flow interruption coding with means to maintain filament voltage substantially constant as the lamp voltage decreasesELECTRONIC BALLAST TECH·Filed 1990·Granted Oct 8, 1991·159 cites·7 claims
- 0287US5808422ALamp ballast with lamp rectification detection circuitryPHILIPS ELECTRONICS NA·Filed 1996·Granted Sep 15, 1998·95 cites·38 claims
- 0381US5107184ARemote control of fluorescent lamp ballast using power flow interruption coding with means to maintain filament voltage substantially constant as the lamp voltage decreasesELECTRONIC BALLAST TECH·Filed 1990·Granted Apr 21, 1992·102 cites·5 claims
- 0475US10104731B2Combination dimmable driverABL IP HOLDING LLC·Filed 2015·Granted Oct 16, 2018·3 cites·21 claims
- 0574US5068576ARemote control of fluorescent lamp ballast using power flow interruption coding with means to maintain filament voltage substantially constant as the lamp voltage decreasesELECTRONIC BALLAST TECH·Filed 1990·Granted Nov 26, 1991·54 cites·7 claims
- 0665US6577077B2Circuit arrangementKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Jun 10, 2003·16 cites·6 claims
- 0761US2024218971A1Oil circuit design, oil supply method and double circuit oil pump for wheel end electric drive axle lubricationZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2023·Application pending·0 cites
- 0853US2024339842A1Secondary frequency modulation method for hydropower plant which satisfies positive correlation between regulation rate and rated capacity of hydropower plantHUANENG LANCANG RIVER HYDROPOWER INC·Filed 2024·Application pending·0 cites
- 0939US5923126AFluorescent lamp electronic ballast with rapid voltage turn-on after preheatingPHILIPS ELECTRONIC NORTH AMERI·Filed 1996·Granted Jul 13, 1999·10 cites·16 claims
- 1035US6707260B2Circuit arrangement including DC-AC converter having a dependable start circuitKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Mar 16, 2004·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →