Inventor · disambiguated record
Raymond Liu
Also filed as: LIU RAYMOND · LIU RAYMOND C · LIU RAYMOND CHENG-YU
8 granted patents·4 pending applications·219 citations·filing 1977–2025
87Inventor score
Top patents by PatentIndex Score
12 records- 0184US4145644ADual stepping angle stepper motor drivePERKIN ELMER CORP·Filed 1977·Granted Mar 20, 1979·30 cites·15 claims
- 0278US5991546ASystem and method for interfacing manually controllable input devices to a universal computer bus systemCMD TECHNOLOGY INC·Filed 1997·Granted Nov 23, 1999·122 cites·45 claims
- 0376US5223102AProcess for the electrooxidation of methanol to formaldehyde and methylalDU PONT·Filed 1992·Granted Jun 29, 1993·39 cites·9 claims
- 0458US4516852AMethod and apparatus for measuring intensity variation in a light sourcePERKIN ELMER CORP·Filed 1984·Granted May 14, 1985·15 cites·8 claims
- 0556US2025328151A1Robotic System With High Intelligence And High Security To Detect A Wide Range Of CrimesHO CHING TIEN·Filed 2025·Application pending·0 cites
- 0654US6475447B1Apparatus and method for treating sesquisulfate waste streamsINT PAPER CO·Filed 2000·Granted Nov 5, 2002·1 cites·10 claims
- 0753US2025267006A1Accelerated quic connections through hardware componentsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2024·Application pending·0 cites
- 0846US4580104AHigh voltage operational amplifierPERKIN ELMER CORP·Filed 1984·Granted Apr 1, 1986·6 cites·5 claims
- 0945US11294446B2Non-wakeable system statesHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Apr 5, 2022·0 cites·15 claims
- 1043US6126702AApparatus and method for treating sesquisulfate waste streamsINT PAPER CO·Filed 1998·Granted Oct 3, 2000·6 cites·5 claims
- 1138US2012165688A1Wireless optical pulsimetry system for a healthcare environmentLIU RAYMOND·Filed 2010·Application pending·0 cites
- 1226US2021089103A1Changing power statesHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →