Inventor · disambiguated record
Yongping Xia
Also filed as: XIA YONGPING
15 granted patents·1 pending application·2,073 citations·filing 1994–2001
96Inventor score
Top patents by PatentIndex Score
16 records- 0198US5489827ALight controller with occupancy sensorPHILIPS ELECTRONICS NA·Filed 1994·Granted Feb 6, 1996·453 cites·38 claims
- 0297US5872429ACoded communication system and method for controlling an electric lampPHILIPS ELECTRONICS NA·Filed 1997·Granted Feb 16, 1999·315 cites·49 claims
- 0394US5691605AElectronic ballast with interface circuitry for multiple dimming inputsPHILIPS ELECTRONICS NA·Filed 1995·Granted Nov 25, 1997·176 cites·54 claims
- 0493US5650694ALamp controller with lamp status detection and safety circuitryPHILIPS ELECTRONICS NA·Filed 1995·Granted Jul 22, 1997·129 cites·4 claims
- 0592US5726644ALighting control system with packet hopping communicationPHILIPS ELECTRONICS NA·Filed 1995·Granted Mar 10, 1998·386 cites·24 claims
- 0692US5604411AElectronic ballast having a triac dimming filter with preconditioner offset controlPHILIPS ELECTRONICS NA·Filed 1995·Granted Feb 18, 1997·177 cites·15 claims
- 0792US5559395AElectronic ballast with interface circuitry for phase angle dimming controlPHILIPS ELECTRONICS NA·Filed 1995·Granted Sep 24, 1996·127 cites·28 claims
- 0889US5751115ALamp controller with lamp status detection and safety circuitryPHILIPS ELECTRONICS NA·Filed 1996·Granted May 12, 1998·98 cites·3 claims
- 0987US5808422ALamp ballast with lamp rectification detection circuitryPHILIPS ELECTRONICS NA·Filed 1996·Granted Sep 15, 1998·95 cites·38 claims
- 1072US5739645AElectronic ballast with lamp flash protection circuitPHILIPS ELECTRONICS NA·Filed 1996·Granted Apr 14, 1998·40 cites·10 claims
- 1165US6445142B1Apparatus and method for remotely detecting a magnetic ballastTELDATA SOLUTIONS LLC·Filed 2001·Granted Sep 3, 2002·14 cites·19 claims
- 1265US5808423ALighting control for reducing energy consumptionPHILIPS ELECTRONICS NA·Filed 1996·Granted Sep 15, 1998·29 cites·24 claims
- 1359US6487282B1Apparatus and method for an inbound telemetry device to sense telephone line statusFIRSTPOINT ENERGY CORP·Filed 2000·Granted Nov 26, 2002·7 cites·9 claims
- 1456US6347135B1Apparatus and method for powering a telephone-based inbound telemetry deviceTELDATA INC·Filed 2000·Granted Feb 12, 2002·7 cites·12 claims
- 1554US5834906AInstant start for an electronic ballast preconditioner having an active power factor controllerPHILIPS ELECTRONICS NA·Filed 1995·Granted Nov 10, 1998·20 cites·16 claims
- 1627US2003102979A1Lighting control system with packet hopping communicationFiled 1997·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →