Inventor · disambiguated record
John K. Liu
Also filed as: GUNAPALA SARATH D · LIU JOHN · LIU JOHN K · LIU JOHN KEH-JONG
17 granted patents·3 pending applications·307 citations·filing 1990–2025
95Inventor score
Top patents by PatentIndex Score
20 records- 0189US6423980B1Multi-directional radiation coupling in quantum-well infrared photodetectorsCALIFORNIA INST OF TECHN·Filed 2000·Granted Jul 23, 2002·53 cites·21 claims
- 0285US6184538B1Dual-band quantum-well infrared sensing array having commonly biased contact layersCALIFORNIA INST OF TECHN·Filed 1998·Granted Feb 6, 2001·78 cites·20 claims
- 0382US7745815B2Polarization-sensitive quantum well infrared photodetector focal plane arrayCALIFORNIA INST OF TECHN·Filed 2007·Granted Jun 29, 2010·6 cites·19 claims
- 0476US6521967B1Three color quantum well infrared photodetector focal plane arrayCALIFORNIA INST OF TECHN·Filed 2000·Granted Feb 18, 2003·22 cites·7 claims
- 0574US7129104B2Wavelength-insensitive radiation coupling for multi-quantum well sensor based on intersubband absorptionCALIFORNIA INST OF TECHN·Filed 2003·Granted Oct 31, 2006·15 cites·3 claims
- 0673US6734452B2Infrared radiation-detecting deviceCALIFORNIA INST OF TECHN·Filed 2001·Granted May 11, 2004·15 cites·38 claims
- 0770US2025158280A1Integrated sheet-metal antenna with carrier screw which operates as a ground feed and provides mechanical support in an electronic devicePLUME DESIGN INC·Filed 2025·Application pending·0 cites
- 0869US6580089B2Multi-quantum-well infrared sensor array in spatially-separated multi-band configurationCALIFORNIA INST OF TECHN·Filed 2001·Granted Jun 17, 2003·15 cites·13 claims
- 0966US12230894B2Integrated sheet-metal antenna with carrier screw which operates as a ground feed and provides mechanical support in an electronic devicePLUME DESIGN INC·Filed 2022·Granted Feb 18, 2025·0 cites·18 claims
- 1062US6674091B2Multi-quantum-well detector for low-background applicationsCALIFORNIA INST OF TECHN·Filed 2001·Granted Jan 6, 2004·12 cites·11 claims
- 1161US7238094B2Belt oscillating apparatus of belt sanderLIU JOHN·Filed 2005·Granted Jul 3, 2007·3 cites·7 claims
- 1260US7211820B2Quantum well sensor having spatially separated sensing columnsCALIFORNIA INST OF TECHN·Filed 2001·Granted May 1, 2007·7 cites·11 claims
- 1358US6211529B1Infrared radiation-detecting deviceCALIFORNIA INST OF TECHN·Filed 1997·Granted Apr 3, 2001·19 cites·32 claims
- 1451US6545289B1Wavelength-insensitive radiation coupling for multi-quantum well sensor based on intersubband absorptionCALIFORNIA INST OF TECHN·Filed 1999·Granted Apr 8, 2003·13 cites·8 claims
- 1548US5091335AMBE growth technology for high quality strained III-V layersNASA·Filed 1990·Granted Feb 25, 1992·19 cites·16 claims
- 1644US6271537B1Slotted quantum well sensorCALIFORNIA INST OF TECHN·Filed 1999·Granted Aug 7, 2001·9 cites·13 claims
- 1744US2011176577A1Superpixel multi-waveband photodetector array for remote temperature measurementCALIFORNIA INST OF TECHN·Filed 2009·Application pending·0 cites
- 1843US5094974AGrowth of III-V films by control of MBE growth front stoichiometryNASA·Filed 1990·Granted Mar 10, 1992·14 cites·9 claims
- 1941US2006230032A1Multi-fielded Web browser-based searching of data stored in a databaseBRANKOV BRANIMIR I·Filed 2006·Application pending·0 cites
- 2039US5800700ASludge supernatant decanting deviceFiled 1997·Granted Sep 1, 1998·7 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →