Inventor · disambiguated record
Franki Ngai Kit Poon
Also filed as: POON FRANKI N K · POON FRANKI NGAI KIT
20 granted patents·566 citations·filing 1995–2020
96Inventor score
Top patents by PatentIndex Score
20 records- 0191US7567040B2High efficiency driver for color light emitting diodes (LED)UNIV HONG KONG·Filed 2006·Granted Jul 28, 2009·24 cites·16 claims
- 0289US6188209B1Stepping inductor for fast transient response of switching converterUNIV HONG KONG·Filed 2000·Granted Feb 13, 2001·72 cites·42 claims
- 0388US10396656B1Control circuit for suppressing electromagnetic interference signalsANAPP TECH LIMITED·Filed 2018·Granted Aug 27, 2019·7 cites·23 claims
- 0487US5880940ALow cost high efficiency power converterCOMPUTER PRODUCTS INC·Filed 1997·Granted Mar 9, 1999·87 cites·9 claims
- 0583US5748457AFamily of zero voltage switching DC to DC convertersFiled 1997·Granted May 5, 1998·76 cites·14 claims
- 0680US5838145ATransient load corrector for switching convertersFiled 1996·Granted Nov 17, 1998·72 cites·22 claims
- 0779US5774346AFamily of zero voltage switching DC to DC converters with coupled output inductorFiled 1997·Granted Jun 30, 1998·63 cites·6 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
- 1064US6018469ALow cost high efficiency power converterCOMPUTER PRODUCTS INC·Filed 1997·Granted Jan 25, 2000·31 cites·10 claims
- 1162US6815937B2Stepping inductor for fast transient response of switching converterUNIV HONG KONG·Filed 2002·Granted Nov 9, 2004·16 cites·14 claims
- 1260US6697266B2Method 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
- 1359US11754611B2Electromagnetic interference suppression circuit and related sensing circuitANAPP TECH LIMITED·Filed 2020·Granted Sep 12, 2023·0 cites·16 claims
- 1459US5652700ALow cost AC-to-DC converter having input current with reduced harmonicsCOMPUTER PRODUCTS INC·Filed 1996·Granted Jul 29, 1997·25 cites·9 claims
- 1552US5657212ACapacitor coupled converterFiled 1995·Granted Aug 12, 1997·25 cites·1 claims
- 1649US7368883B2Apparatus for end-of-life detection of fluorescent lampsPOWER ELAB LTD·Filed 2006·Granted May 6, 2008·2 cites·8 claims
- 1745US5995383ALow cost AC-to-DC converter having input current with reduced harmonicsCOMPUTER PRODUCTS INC·Filed 1996·Granted Nov 30, 1999·12 cites·18 claims
- 1839US6812679B2High efficiency AC-DC converter with power factor correctorUNIV HONG KONG·Filed 2003·Granted Nov 2, 2004·2 cites·15 claims
- 1935US7122972B2Dimmable ballast with resistive input and low electromagnetic interferenceUNIV HONG KONG·Filed 2004·Granted Oct 17, 2006·0 cites·16 claims
- 2032US5633791ADouble modulation converterFiled 1995·Granted May 27, 1997·7 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →