Inventor · disambiguated record
Charles Guan
Also filed as: GUAN CHARLES · GUAN CHARLES YONG YI
11 granted patents·1 pending application·19 citations·filing 2001–2024
84Inventor score
Top patents by PatentIndex Score
12 records- 0171US7554377B1Apparatus and method for signal voltage limitingNAT SEMICONDUCTOR CORP·Filed 2007·Granted Jun 30, 2009·8 cites·20 claims
- 0261US9964576B2Capacitance detection circuit that detects minute changes in capacitanceTEXAS INSTRUMENTS INC·Filed 2014·Granted May 8, 2018·1 cites·18 claims
- 0355US6771023B1System and method for regulating cathode ray tube beam current using autobiasNAT SEMICONDUCTOR CORP·Filed 2002·Granted Aug 3, 2004·2 cites·14 claims
- 0454US7042174B1Method of generating independent top and bottom corners correction using one 4th order functionNAT SEMICONDUCTOR CORP·Filed 2004·Granted May 9, 2006·2 cites·21 claims
- 0554US6577083B1Method and apparatus for vertical S linearity correction with no external componentsNAT SEMICONDUCTOR CORP·Filed 2001·Granted Jun 10, 2003·2 cites·8 claims
- 0652US6686710B1Circuit and method for regulating current using autobiasNAT SEMICONDUCTOR CORP·Filed 2002·Granted Feb 3, 2004·1 cites·20 claims
- 0752US2025001217A1Systems and methods for imaging and modulating the nervous system using an ultrasound-based brain-computer interfaceFOREST NEUROTECH LLC·Filed 2024·Application pending·0 cites
- 0851US6998782B1Circuit for generating a process-independent currentNAT SEMICONDUCTOR CORP·Filed 2004·Granted Feb 14, 2006·1 cites·20 claims
- 0949US6998798B1Digitally controlled vertical S linearity correction with constant amplitude without using an AGCNAT SEMICONDUCTOR CORP·Filed 2004·Granted Feb 14, 2006·2 cites·15 claims
- 1046US6995526B1Digitally controlled vertical C linearity correction with constant start and end points without using an AGCNAT SEMICONDUCTOR CORP·Filed 2004·Granted Feb 7, 2006·0 cites·16 claims
- 1144US7286175B1Bias control circuitry for cathode ray tube beam currentsNAT SEMICONDUCTOR CORP·Filed 2005·Granted Oct 23, 2007·0 cites·15 claims
- 1241US7209940B1Temperature compensated square function generatorNAT SEMICONDUCTOR CORP·Filed 2003·Granted Apr 24, 2007·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →