Inventor · disambiguated record
Fred Cheng
Also filed as: CHENG FRED · CHENG FRED T · CHENG FRED T J · CHENG FRED TUN-JEN
22 granted patents·9 pending applications·509 citations·filing 1984–2023
95Inventor score
Files withCHENG FRED7CANTALOUPE SYSTEMS INC6CHAMBERLAIN GROUP INC5AUTHENEX INC4NAT SEMICONDUCTOR CORP2
Top patents by PatentIndex Score
31 records- 0196US8799668B2Rubbing encryption algorithm and security attack safe OTP tokenCHENG FRED·Filed 2010·Granted Aug 5, 2014·231 cites·22 claims
- 0291US7894938B1Vending machine service schedulingCANTALOUPE SYSTEMS INC·Filed 2005·Granted Feb 22, 2011·34 cites·69 claims
- 0386US7231526B2System and method for validating a network sessionAUTHENEX INC·Filed 2002·Granted Jun 12, 2007·50 cites·7 claims
- 0485US10289152B1Interactive multimedia assistant device with a swappable personality customizable skinCHAMBERLAIN GROUP INC·Filed 2018·Granted May 14, 2019·4 cites·12 claims
- 0584US7325728B2Remote diagnosis and repair of vending machine communication failuresCANTALOUPE SYSTEMS INC·Filed 2005·Granted Feb 5, 2008·22 cites·33 claims
- 0683US7334255B2System and method for controlling access to multiple public networks and for controlling access to multiple private networksAUTHENEX INC·Filed 2003·Granted Feb 19, 2008·33 cites·23 claims
- 0781US7385504B2Vending machine door monitoring systemCANTALOUPE SYSTEMS INC·Filed 2005·Granted Jun 10, 2008·15 cites·34 claims
- 0881USD531626SAntenna housing for a vending machineCANTALOUPE SYSTEMS INC·Filed 2005·Granted Nov 7, 2006·31 cites·1 claims
- 0980US10837216B2Garage entry system and methodCHAMBERLAIN GROUP INC·Filed 2018·Granted Nov 17, 2020·5 cites·19 claims
- 1079US5132556ABandgap voltage reference using bipolar parasitic transistors and mosfet's in the current sourceSAMSUNG SEMICONDUCTOR INC·Filed 1989·Granted Jul 21, 1992·30 cites·11 claims
- 1178US12260692B2Artificial intelligence-enabled activity detection and monitoring deviceCHENG FRED TUN JEN·Filed 2023·Granted Mar 25, 2025·1 cites·20 claims
- 1277US8103380B2Remote management of vending machinesCHENG FRED·Filed 2005·Granted Jan 24, 2012·10 cites·30 claims
- 1372US10551871B2Interactive multimedia assistant device with a swappable personality customizable skinCHAMBERLAIN GROUP INC·Filed 2019·Granted Feb 4, 2020·1 cites·17 claims
- 1472US8571705B2Vending machine service schedulingARORA MANDEEP SINGH·Filed 2010·Granted Oct 29, 2013·1 cites·32 claims
- 1568US5142219ASwitchable current-reference voltage generatorWINBOND ELECTRONICS NORTH AMER·Filed 1991·Granted Aug 25, 1992·21 cites·8 claims
- 1665US10832543B2Activity sensorCHAMBERLAIN GROUP INC·Filed 2019·Granted Nov 10, 2020·1 cites·15 claims
- 1765US9286588B2Vending machine service schedulingCANTALOUPE SYSTEMS INC·Filed 2013·Granted Mar 15, 2016·0 cites·20 claims
- 1864US4550424APM Decoder sample and hold circuitNAT SEMICONDUCTOR CORP·Filed 1984·Granted Oct 29, 1985·16 cites·8 claims
- 1963US11523090B2Motion data extraction and vectorizationChamberlain Group LLC·Filed 2015·Granted Dec 6, 2022·1 cites·32 claims
- 2059US2016247127A1Vending machine service schedulingCANTALOUPE SYSTEMS INC·Filed 2016·Application pending·0 cites
- 2156US9842278B2Image analysis and orientation correction for target object detection and validationSEEDONK INC·Filed 2015·Granted Dec 12, 2017·1 cites·28 claims
- 2253US7865936B2System and method for controlling access to multiple public networks and for controlling access to multiple private networksAUTHENEX INC·Filed 2008·Granted Jan 4, 2011·0 cites·19 claims
- 2349US2007255960A1System and method for validating a network sessionAUTHENEX INC·Filed 2007·Application pending·0 cites
- 2443US2019392691A1Entry security system and methodCHAMBERLAIN GROUP INC·Filed 2018·Application pending·0 cites
- 2543US2006075486A1Self-contained token device for installing and running a variety of applicationsLIN PAUL·Filed 2005·Application pending·0 cites
- 2638US2011267462A1Versatile remote video monitoring through the internetCHENG FRED·Filed 2010·Application pending·0 cites
- 2738US2012044354A1Versatile dual mode wireless camera hotspot deviceCHENG FRED·Filed 2010·Application pending·0 cites
- 2837US2011187895A1Intelligent video compacting agentCHENG FRED·Filed 2010·Application pending·0 cites
- 2936US2012257051A1Versatile wireless video and voice monitorCHENG FRED·Filed 2011·Application pending·0 cites
- 3032US2005235089A1Method and apparatus for universal serial bus (USB) physical layerCHENG FRED·Filed 2005·Application pending·0 cites
- 3130US4694501ANonsynchronous independent side band AM stereo decoderNAT SEMICONDUCTOR CORP·Filed 1984·Granted Sep 15, 1987·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →