Inventor · disambiguated record
Gonggui Xu
Also filed as: XU GONGGUI
22 granted patents·1 pending application·81 citations·filing 2001–2023
93Inventor score
Files withAMS AG9LEN TECH INC5TEXAS INSTRUMENTS INC5AMS INT AG3TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS INC1
Top patents by PatentIndex Score
23 records- 0186US11326942B2Optical sensor arrangement and method for light sensingAMS INT AG·Filed 2018·Granted May 10, 2022·3 cites·15 claims
- 0286US9146162B2Sensor arrangement for light sensing and temperature sensing and method for light sensing and temperature sensingAMS AG·Filed 2014·Granted Sep 29, 2015·6 cites·10 claims
- 0383US6940548B2Analog optical black clamping circuit for a charge coupled device having wide programmable gain rangeTEXAS INSTRUMENTS INC·Filed 2001·Granted Sep 6, 2005·28 cites·36 claims
- 0479US9739659B2Optical sensor arrangement and method for light sensingAMS AG·Filed 2014·Granted Aug 22, 2017·4 cites·11 claims
- 0578US10006806B2Light sensor arrangement and method for temperature compensation in a light sensor arrangementAMS AG·Filed 2013·Granted Jun 26, 2018·4 cites·19 claims
- 0673US12483109B2Current sensing apparatus and control methodLEN TECH INC·Filed 2023·Granted Nov 25, 2025·0 cites·20 claims
- 0772US9291496B2Sensor arrangement for light sensing and temperature sensing and method for light sensing and temperature sensingAMS AG·Filed 2015·Granted Mar 22, 2016·2 cites·14 claims
- 0871US12348140B2Wide range amplifier and control methodLEN TECH INC·Filed 2023·Granted Jul 1, 2025·0 cites·20 claims
- 0971US11143553B2Method to operate an optical sensor arrangement with improved offset correction and optical sensor arrangementAMS INT AG·Filed 2018·Granted Oct 12, 2021·1 cites·18 claims
- 1070US7068108B2Amplifier apparatus and methodTEXAS INSTRUMENTS INC·Filed 2004·Granted Jun 27, 2006·13 cites·20 claims
- 1166US12362558B2ESD protection apparatus and control methodLEN TECH INC·Filed 2023·Granted Jul 15, 2025·0 cites·19 claims
- 1265US12278644B2ADC apparatus and control methodLEN TECH INC·Filed 2023·Granted Apr 15, 2025·0 cites·20 claims
- 1365US7023497B2Clamping circuit with wide input dynamic range for video or other AC coupled signalsTEXAS INSTRUMENTS INC·Filed 2002·Granted Apr 4, 2006·7 cites·9 claims
- 1464US7702708B2Frequency/delay synthesizer architectureTEXAS INSTRUMENTS INC·Filed 2005·Granted Apr 20, 2010·3 cites·12 claims
- 1561US8362842B1Circuit and method for dynamically controlling op-amp offset for photodetector applicationsTEXAS ADVANCED OPTOELECTRONIC SOLUTIONS INC·Filed 2011·Granted Jan 29, 2013·3 cites·20 claims
- 1659US10511321B2Digital-to-analog converter and method for digital-to-analog conversionAMS AG·Filed 2017·Granted Dec 17, 2019·1 cites·15 claims
- 1753US2025141332A1Signal Conversion Apparatus and Control MethodLEN TECH INC·Filed 2023·Application pending·0 cites
- 1852US10072976B2Optical sensor arrangement and method for light sensingAMS AG·Filed 2014·Granted Sep 11, 2018·1 cites·14 claims
- 1945US6778113B2Canceling feedback resister loading effect in a shunt-shunt feedback circuitTEXAS INSTRUMENTS INC·Filed 2002·Granted Aug 17, 2004·5 cites·20 claims
- 2042US11761817B2Optical sensor arrangement including a dummy photodiode with a well that surrounds a well of a photodiodeAMS INT AG·Filed 2017·Granted Sep 19, 2023·0 cites·11 claims
- 2141US9559584B2Electric circuit of a switchable current sourceAMS AG·Filed 2013·Granted Jan 31, 2017·0 cites·14 claims
- 2240US9041438B2Output buffer and signal processing methodAMS AG·Filed 2013·Granted May 26, 2015·0 cites·19 claims
- 2339US10215627B2Signal conditioning circuit for a light sensor, a sensor arrangement and a method for signal conditioning for a light sensorAMS AG·Filed 2014·Granted Feb 26, 2019·0 cites·21 claims
Join the waitlist — get patent alerts
Get an alert when Gonggui Xu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →