Inventor · disambiguated record
Richard Willis
Also filed as: WILLIS RICHARD · WILLIS RICHARD A · WILLIS RICHARD L · WILLIS RICHARD LANCE
6 granted patents·5 pending applications·56 citations·filing 2002–2024
81Inventor score
Files withMOTOROLA INC4APSRFID LLC3BALLARD POWER SYSTEMS1M&R SPECIALTY TRAILERS AND TRUCKS INC1VSM MEDTECH SYSTEMS INC1
Top patents by PatentIndex Score
11 records- 0186US7668332B2Audio porting assemblyMOTOROLA INC·Filed 2005·Granted Feb 23, 2010·22 cites·20 claims
- 0265US6651501B1Adaptive equalizer for variable length sound tubes utilizing an electrical impedance measurementMOTOROLA INC·Filed 2002·Granted Nov 25, 2003·12 cites·16 claims
- 0363US7016503B2Adaptive equalizer for variable length sound tubes utilizing an acoustic pressure response measurementMOTOROLA INC·Filed 2002·Granted Mar 21, 2006·8 cites·18 claims
- 0460US8826187B2Method and system for moving a cursor and selecting objects on a touchscreen using a finger pointerWILLIS RICHARD·Filed 2008·Granted Sep 2, 2014·4 cites·16 claims
- 0552US6843749B2Apparatus and method to achieve multiple effective ratios from a fixed ratio transaxleBALLARD POWER SYSTEMS·Filed 2003·Granted Jan 18, 2005·10 cites·9 claims
- 0652US2025187385A1Trailer suspension assembly and method of useM&R SPECIALTY TRAILERS AND TRUCKS INC·Filed 2024·Application pending·0 cites
- 0746US2006220798A1Medical clinic RFID systemAPSRFID LLC·Filed 2005·Application pending·0 cites
- 0845US2006224420A1Healthcare insurance security systemAPSRFID LLC·Filed 2005·Application pending·0 cites
- 0941US2006219783A1RFID tag system for an item between two locationsAPSRFID LLC·Filed 2005·Application pending·0 cites
- 1038US2006095220A1Crosstalk reduction digital systemsVSM MEDTECH SYSTEMS INC·Filed 2004·Application pending·0 cites
- 1135US6698290B1Adaptive equalizer for variable length sound tubes utilizing an acoustical time of flight measurementMOTOROLA INC·Filed 2002·Granted Mar 2, 2004·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →