Inventor · disambiguated record
Man Hay Pong
Also filed as: PONG MAN HAY · PONG MAN-HAY BRYAN
18 granted patents·3 pending applications·502 citations·filing 1997–2022
95Inventor score
Top patents by PatentIndex Score
21 records- 0191US7567040B2High efficiency driver for color light emitting diodes (LED)UNIV HONG KONG·Filed 2006·Granted Jul 28, 2009·24 cites·16 claims
- 0291US6396716B1Apparatus for improving stability and dynamic response of half-bridge converterUNIV HONG KONG·Filed 2001·Granted May 28, 2002·94 cites·12 claims
- 0389US6188209B1Stepping inductor for fast transient response of switching converterUNIV HONG KONG·Filed 2000·Granted Feb 13, 2001·72 cites·42 claims
- 0483US5748457AFamily of zero voltage switching DC to DC convertersFiled 1997·Granted May 5, 1998·76 cites·14 claims
- 0581US6490181B1Apparatus for reducing common mode noise current in power convertersUNIV HONG KONG·Filed 2001·Granted Dec 3, 2002·39 cites·14 claims
- 0679US5774346AFamily of zero voltage switching DC to DC converters with coupled output inductorFiled 1997·Granted Jun 30, 1998·63 cites·6 claims
- 0771US6597587B1Current driven synchronous rectifier with energy recovery using hysterisis driverUNIV HONG KONG·Filed 2002·Granted Jul 22, 2003·27 cites·12 claims
- 0870US7178971B2High efficiency driver for color light emitting diodes (LED)UNIV HONG KONG·Filed 2001·Granted Feb 20, 2007·12 cites·9 claims
- 0967US6580259B2High efficiency AC-DC converter with power factor correctorUNIV HONG KONG·Filed 2002·Granted Jun 17, 2003·18 cites·18 claims
- 1062US6815937B2Stepping inductor for fast transient response of switching converterUNIV HONG KONG·Filed 2002·Granted Nov 9, 2004·16 cites·14 claims
- 1160US6697266B2Method and system for providing a DC voltage with low ripple by overlaying a plurality of AC signalsUNIV HONG KONG·Filed 2002·Granted Feb 24, 2004·15 cites·26 claims
- 1258US6347045B1Noise canceling apparatus for a power converterUNIV HONG KONG·Filed 2000·Granted Feb 12, 2002·14 cites·48 claims
- 1357US6879500B2Apparatus for noise current reduction in power convertersUNIV HONG KONG·Filed 2003·Granted Apr 12, 2005·13 cites·21 claims
- 1450US11962292B1Gate driving deviceTAIPEI ANJET CORP·Filed 2022·Granted Apr 16, 2024·0 cites·8 claims
- 1546US6134131ACurrent driven synchronous rectifier with energy recoveryUNIV HONG KONG·Filed 1999·Granted Oct 17, 2000·17 cites·6 claims
- 1640US2021155457A1Elevator system with multiple independent cars in a 2-dimensional hoistwayPONG MAN HAY·Filed 2019·Application pending·0 cites
- 1739US6812679B2High efficiency AC-DC converter with power factor correctorUNIV HONG KONG·Filed 2003·Granted Nov 2, 2004·2 cites·15 claims
- 1837US8412486B2Power converter remaining life estimationPONG MAN HAY·Filed 2009·Granted Apr 2, 2013·0 cites·29 claims
- 1935US7122972B2Dimmable ballast with resistive input and low electromagnetic interferenceUNIV HONG KONG·Filed 2004·Granted Oct 17, 2006·0 cites·16 claims
- 2033US2010277077A1Apparatus and method to enhance the life of Light Emitting diode (LED) devices in an LED matrixPONG MAN HAY·Filed 2010·Application pending·0 cites
- 2132US2003231515A1Apparatus for noise current reduction in power convertersLIU CHUI-PONG JOE·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →