Inventor · disambiguated record
Ralph W. Quan
Also filed as: QUAN RALPH W
4 granted patents·280 citations·filing 2004–2006
83Inventor score
Top patents by PatentIndex Score
4 records- 0192US7539465B2Tuning an RFID reader with electronic switchesASSA ABLOY AB·Filed 2006·Granted May 26, 2009·48 cites·19 claims
- 0291US7439862B2Antenna array for an RFID reader compatible with transponders operating at different carrier frequenciesASSA ABLOY AB·Filed 2004·Granted Oct 21, 2008·114 cites·26 claims
- 0386US7124943B2RFID system having a field reprogrammable RFID readerASSA ABLOY IDENTIFICATION TECH·Filed 2004·Granted Oct 24, 2006·71 cites·50 claims
- 0483US7180403B2RFID reader utilizing an analog to digital converter for data acquisition and power monitoring functionsASSA ABLOY IDENTIFICATION TECH·Filed 2004·Granted Feb 20, 2007·47 cites·43 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →