Inventor · disambiguated record
Chee Foo Lum
Also filed as: LUM CHEE F · LUM CHEE FOO
16 granted patents·5 pending applications·211 citations·filing 2005–2020
93Inventor score
Files withAVAGO TECH ECBU IP SG PTE LTD7LUM CHEE FOO3KEYSIGHT TECHNOLOGIES INC2WONG WENG FEI2AVAGO GENERAL IP PTE LTD1
Top patents by PatentIndex Score
21 records- 0192US7358481B2Reflective encoder with three-dimensional code carrierAVAGO GENERAL IP PTE LTD·Filed 2006·Granted Apr 15, 2008·111 cites·5 claims
- 0290US7400269B2Coding element with integrated limit switchAVAGO TECHNOLOGIES ECBU IP PTE·Filed 2006·Granted Jul 15, 2008·18 cites·20 claims
- 0387US8247758B2Optical jog wheel with spiral coding elementLUM CHEE FOO·Filed 2010·Granted Aug 21, 2012·6 cites·10 claims
- 0484US7675026B2Optical jog wheel with spiral coding elementAVAGO TECH ECBU IP SG PTE LTD·Filed 2007·Granted Mar 9, 2010·9 cites·13 claims
- 0582US7399956B2Optical encoder with sinusoidal photodetector output signalAVAGO TECHNOLOGIES ECBUIP PTE·Filed 2005·Granted Jul 15, 2008·16 cites·19 claims
- 0680US7619210B2Encoder with a combined position and index trackAVAGO TECH ECBU IP SG PTE LTD·Filed 2008·Granted Nov 17, 2009·7 cites·8 claims
- 0780US7619209B2Encoder with a combined position and index trackAVAGO TECH ECBU IP SG PTE LTD·Filed 2008·Granted Nov 17, 2009·7 cites·7 claims
- 0880US7507950B2Encoder with a combined position and index trackAVAGO TECH ECBU IP SG PTE LTD·Filed 2006·Granted Mar 24, 2009·7 cites·9 claims
- 0979US7378643B2Optical projection encoder with patterned maskAVAGO TECHNOLOGIES GENERAL IP·Filed 2006·Granted May 27, 2008·9 cites·20 claims
- 1077US7449677B2Optical encoderAVAGO TECH ECBU IP SG PTE LTD·Filed 2007·Granted Nov 11, 2008·8 cites·14 claims
- 1168US7244928B2Optical encoderAVAGO TECH ECBU IP SG PTE LTD·Filed 2005·Granted Jul 17, 2007·5 cites·15 claims
- 1266US7732756B2User navigation device with a code wheel and an encoderAVAGO TECH ECBU IP SG PTE LTD·Filed 2006·Granted Jun 8, 2010·3 cites·22 claims
- 1362US8068040B2Optical encoder with integrated monitorWONG WENG FEI·Filed 2005·Granted Nov 29, 2011·4 cites·18 claims
- 1459US8605035B2Backlighting for optical finger navigationLUM CHEE FOO·Filed 2010·Granted Dec 10, 2013·1 cites·20 claims
- 1548US2020398015A1Compensated split ventilator circuitKEYSIGHT TECHNOLOGIES INC·Filed 2020·Application pending·0 cites
- 1645US11742612B2Adiabatic coaxial cable couplingKEYSIGHT TECHNOLOGIES INC·Filed 2019·Granted Aug 29, 2023·0 cites·19 claims
- 1739US2008156973A1Photosensor array for optical encoderWONG WENG FEI·Filed 2006·Application pending·0 cites
- 1837US9619047B2Optical finger navigation deviceLUM CHEE FOO·Filed 2010·Granted Apr 11, 2017·0 cites·13 claims
- 1936US2012274607A1Optical finger navigation deviceTEE KHOON GUAN·Filed 2011·Application pending·0 cites
- 2034US2007120048A1Reflective encoder moduleLUM CHEE F·Filed 2005·Application pending·0 cites
- 2133US2007120047A1Ring-configured photodiode array and optical encoders using the sameWONG WENG F·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →