Inventor · disambiguated record
Wai-Cheung Tang
Also filed as: TANG WAI-CHEUNG
18 granted patents·6 pending applications·591 citations·filing 1982–2009
96Inventor score
Top patents by PatentIndex Score
24 records- 0195US7388501B2Method of enabling two-state operation of electronic toll collection systemMARK IV IND CORP·Filed 2006·Granted Jun 17, 2008·65 cites·23 claims
- 0295US5608363AFolded single mode dielectric resonator filter with cross couplings between non-sequential adjacent resonators and cross diagonal couplings between non-sequential contiguous resonatorsCOM DEV LTD·Filed 1994·Granted Mar 4, 1997·129 cites·12 claims
- 0390US7813699B2Transceiver redundancy in an electronic toll collection systemMARK IV IND CORP·Filed 2009·Granted Oct 12, 2010·16 cites·15 claims
- 0490US4881051ADielectric image-resonator multiplexerCOM DEV LTD·Filed 1988·Granted Nov 14, 1989·53 cites·26 claims
- 0589US4675630ATriple mode dielectric loaded bandpass filterCOM DEV LTD·Filed 1985·Granted Jun 23, 1987·55 cites·16 claims
- 0688US4630009ACascade waveguide triple-mode filters useable as a group delay equalizerCOM DEV LTD·Filed 1984·Granted Dec 16, 1986·38 cites·24 claims
- 0786US4652843APlanar dual-mode cavity filters including dielectric resonatorsCOM DEV LTD·Filed 1984·Granted Mar 24, 1987·41 cites·18 claims
- 0882US5589807AMulti-mode temperature compensated filters and a method of constructing and compensating thereforCOM DEV LTD·Filed 1995·Granted Dec 31, 1996·35 cites·48 claims
- 0979US6882251B2Microwave filter with adaptive predistortionCOM DEV LTD·Filed 2002·Granted Apr 19, 2005·16 cites·26 claims
- 1078US7463197B2Multi-band antennaMARK IV IND CORP·Filed 2005·Granted Dec 9, 2008·14 cites·20 claims
- 1176US7408480B2Dual mode electronic toll collection transponderMARK IV IND CORP·Filed 2006·Granted Aug 5, 2008·15 cites·24 claims
- 1274US7262711B2External indicator for electronic toll communicationsMARK IV IND CORP·Filed 2004·Granted Aug 28, 2007·10 cites·18 claims
- 1369US4622523AGroup delay equalizers using short circuit triple mode filtersCOM DEV LTD·Filed 1985·Granted Nov 11, 1986·18 cites·4 claims
- 1468US4644305AOdd order elliptic waveguide cavity filtersCOM DEV LTD·Filed 1985·Granted Feb 17, 1987·20 cites·29 claims
- 1567US7183976B2Compact inverted-F antennaUNIV HONG KONG CHINESE·Filed 2004·Granted Feb 27, 2007·18 cites·21 claims
- 1666US7233260B2Electronic toll collection systemMARK IV IND CORP·Filed 2004·Granted Jun 19, 2007·26 cites·26 claims
- 1763US4513264ABandpass filter with plurality of wave-guide cavitiesCOM DEV LTD·Filed 1982·Granted Apr 23, 1985·18 cites·12 claims
- 1862US7342500B2Compact microstrip transponder antennaMARK IV IND CORP·Filed 2006·Granted Mar 11, 2008·4 cites·20 claims
- 1956US2008278347A1Electronic toll collection system with multi-beam antennasHO THUA VAN·Filed 2008·Application pending·0 cites
- 2051US2008218313A1Rfid-based system and method for drive-through orderingD HONT LOEK·Filed 2008·Application pending·0 cites
- 2143US2006176153A1RF transponder with electromechanical powerTANG WAI-CHEUNG·Filed 2005·Application pending·0 cites
- 2242US2007118273A1Method and system for obtaining traffic information using transpondersTANG WAI-CHEUNG·Filed 2005·Application pending·0 cites
- 2339US2007279286A1Multi-Mode Antenna ArrayMARK IV IND CORP·Filed 2006·Application pending·0 cites
- 2437US2008061943A1RFID systems and methods of operating the same in power-saving modesWU KE-LI·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →