Inventor · disambiguated record
Frank Liu
Also filed as: LIU FRANK · LIU FRANK KUNG FU
15 granted patents·1 pending application·628 citations·filing 1987–2019
94Inventor score
Top patents by PatentIndex Score
16 records- 0196US7174176B1Cordless security system and methodLIU FRANK KUNG FU·Filed 2004·Granted Feb 6, 2007·172 cites·24 claims
- 0294US8170262B1Wireless air tube headsetLIU FRANK KUNG FU·Filed 2009·Granted May 1, 2012·45 cites·23 claims
- 0393USD460749SHeadset for portable communication deviceFiled 2001·Granted Jul 23, 2002·87 cites·1 claims
- 0484USD385558SCordless telephoneUNICAL ENTPR INC·Filed 1996·Granted Oct 28, 1997·33 cites·1 claims
- 0583US7406294B1Digital audio file reproduction system and method with wireless transfer capabilityLIU FRANK KUNG FU·Filed 2003·Granted Jul 29, 2008·42 cites·31 claims
- 0683US6602627B2Uninterruptible power supplies using fuel cellsALPHA TECH INC·Filed 2001·Granted Aug 5, 2003·88 cites·30 claims
- 0776US8990071B2Telephony service interaction managementJU YUN-CHENG·Filed 2010·Granted Mar 24, 2015·5 cites·20 claims
- 0873US7146180B1Wireless node multiple handset cordless telephone systemLIU FRANK KUNG FU·Filed 2004·Granted Dec 5, 2006·19 cites·11 claims
- 0973US6288916B1Multiple output uninterruptible alternating current power supplies for communications systemALPHA TECH INC·Filed 1999·Granted Sep 11, 2001·84 cites·15 claims
- 1071US7010311B2Wireless node multiple handset cordless telephone systemLIU FRANK KUNG FU·Filed 2003·Granted Mar 7, 2006·13 cites·26 claims
- 1169USD395046SCordless telephoneUNICAL ENTPR INC·Filed 1997·Granted Jun 9, 1998·17 cites·1 claims
- 1261US4879741AFax/telephone switching deviceUNISOURCE CORP·Filed 1987·Granted Nov 7, 1989·20 cites·1 claims
- 1357US7653403B1Cordless and wireless facsimile and methodLIU FRANK KUNG FU·Filed 2004·Granted Jan 26, 2010·2 cites·23 claims
- 1450US11354038B2Providing random access to variable-length dataIBM·Filed 2019·Granted Jun 7, 2022·0 cites·17 claims
- 1538US2012109994A1Robust auto-correction for data retrievalJU YUN-CHENG·Filed 2010·Application pending·0 cites
- 1629USD421259SCordless telephoneUNICAL ENTPR INC·Filed 1996·Granted Feb 29, 2000·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →