Inventor · disambiguated record
Tiejun Dai
Also filed as: DAI TIEJUN
81 granted patents·17 pending applications·644 citations·filing 2001–2025
99Inventor score
Top patents by PatentIndex Score
98 records- 0198US11399150B2Auto-zero techniques for lateral overflow integrating capacitor (LOFIC) readout image sensorOMNIVISION TECH INC·Filed 2020·Granted Jul 26, 2022·13 cites·20 claims
- 0298US11212457B2High dynamic range CMOS image sensor designOMNIVISION TECH INC·Filed 2020·Granted Dec 28, 2021·13 cites·35 claims
- 0398US9955091B1High dynamic range image sensor read out architecture using in-frame multi-bit exposure controlOMNIVISION TECH INC·Filed 2016·Granted Apr 24, 2018·29 cites·19 claims
- 0498US9299732B2Stacked chip SPAD image sensorOMNIVISION TECH INC·Filed 2013·Granted Mar 29, 2016·49 cites·20 claims
- 0597US11240454B2Hybrid CMOS image sensor with event driven sensingOMNIVISION TECH INC·Filed 2020·Granted Feb 1, 2022·9 cites·25 claims
- 0697US11140352B1High dynamic range high speed CMOS image sensor designOMNIVISION TECH INC·Filed 2020·Granted Oct 5, 2021·15 cites·28 claims
- 0797US10510796B1Small pixels having dual conversion gain providing high dynamic rangeOMNIVISION TECH INC·Filed 2018·Granted Dec 17, 2019·28 cites·16 claims
- 0897US9478579B2Stacked chip image sensor with light-sensitive circuit elements on the bottom chipOMNIVISION TECH INC·Filed 2013·Granted Oct 25, 2016·73 cites·12 claims
- 0996US9305968B2Die seal ring for integrated circuit system with stacked device wafersOMNIVISION TECH INC·Filed 2015·Granted Apr 5, 2016·14 cites·7 claims
- 1095US9720076B2Calibration circuitry and method for a time of flight imaging systemOMNIVISION TECH INC·Filed 2014·Granted Aug 1, 2017·40 cites·20 claims
- 1195US8933544B2Integrated circuit stack with integrated electromagnetic interference shieldingMAO DULI·Filed 2012·Granted Jan 13, 2015·17 cites·25 claims
- 1295US8228411B2Circuit and photo sensor overlap for backside illumination image sensorDAI TIEJUN·Filed 2011·Granted Jul 24, 2012·21 cites·9 claims
- 1394US11430828B2Event driven pixel for spatial information extractionOMNIVISION TECH INC·Filed 2020·Granted Aug 30, 2022·5 cites·39 claims
- 1494US9210350B2Low power imaging system with single photon avalanche diode photon counters and ghost image reductionOMNIVISION TECH INC·Filed 2013·Granted Dec 8, 2015·21 cites·18 claims
- 1594US9148596B1Feed-forward technique for power supply rejection ratio improvement of bit lineOMNIVISION TECH INC·Filed 2014·Granted Sep 29, 2015·19 cites·24 claims
- 1692US9961292B1Imaging sensor with amplifier having variable bias and increased output signal rangeOMNIVISION TECH INC·Filed 2017·Granted May 1, 2018·12 cites·21 claims
- 1792US7995124B2Image sensor apparatus and method for improved dynamic range with multiple readout circuit pathsOMNIVISION TECH INC·Filed 2007·Granted Aug 9, 2011·17 cites·18 claims
- 1891US9819890B2Readout circuitry to mitigate column fixed pattern noise of an image sensorOMNIVISION TECH INC·Filed 2015·Granted Nov 14, 2017·9 cites·17 claims
- 1991US8576979B2Arithmetic counter circuit, configuration and application for high performance CMOS image sensorsMO YAOWU·Filed 2012·Granted Nov 5, 2013·10 cites·10 claims
- 2091US8101978B2Circuit and photo sensor overlap for backside illumination image sensorDAI TIEJUN·Filed 2008·Granted Jan 24, 2012·13 cites·9 claims
- 2190US9608027B2Stacked embedded SPAD image sensor for attached 3D informationOMNIVISION TECH INC·Filed 2015·Granted Mar 28, 2017·8 cites·14 claims
- 2289US9344658B2Negative biased substrate for pixels in stacked image sensorsOMNIVISION TECH INC·Filed 2014·Granted May 17, 2016·5 cites·24 claims
- 2389US9142581B2Die seal ring for integrated circuit system with stacked device wafersOMNIVISION TECH INC·Filed 2012·Granted Sep 22, 2015·9 cites·12 claims
- 2489US8933385B2Hybrid analog-to-digital converter having multiple ADC modesWANG RUI·Filed 2012·Granted Jan 13, 2015·9 cites·24 claims
- 2588US8735795B2Image sensor with integrated ambient light detectionQIAO WENHAO·Filed 2012·Granted May 27, 2014·17 cites·18 claims
- 2688US8487350B2Entrenched transfer gateNOZAKI HIDETOSHI·Filed 2010·Granted Jul 16, 2013·9 cites·8 claims
- 2787US8730364B2Image sensor with pipelined column analog-to-digital convertersDAI TIEJUN·Filed 2011·Granted May 20, 2014·10 cites·18 claims
- 2887US8299513B2High conversion gain image sensorDAI TIEJUN·Filed 2008·Granted Oct 30, 2012·10 cites·9 claims
- 2986US11252346B1Switching techniques for fast voltage settling in image sensorsOMNIVISION TECH INC·Filed 2020·Granted Feb 15, 2022·2 cites·20 claims
- 3085US9888185B1Row decoder for high dynamic range image sensor using in-frame multi-bit exposure controlOMNIVISION TECH INC·Filed 2016·Granted Feb 6, 2018·4 cites·34 claims
- 3184US9819930B2Time of flight imaging with improved initiation signalingOMNIVISION TECH INC·Filed 2015·Granted Nov 14, 2017·4 cites·20 claims
- 3284US9124823B2Image sensor with fast intra-frame focusOMNIVISION TECH INC·Filed 2013·Granted Sep 1, 2015·6 cites·27 claims
- 3384US8248490B2Imaging sensor having reduced column fixed pattern noiseZHANG GUANGBIN·Filed 2010·Granted Aug 21, 2012·6 cites·13 claims
- 3483US11729529B1Voltage domain global shutter readout circuitOMNIVISION TECH INC·Filed 2022·Granted Aug 15, 2023·1 cites·22 claims
- 3582US9177983B2Image sensor with optical filters having alternating polarization for 3D imagingKUANG JIANGTAO·Filed 2012·Granted Nov 3, 2015·6 cites·18 claims
- 3682US7639073B2Switched-capacitor amplifier with improved reset phaseOMNIVISION TECH INC·Filed 2007·Granted Dec 29, 2009·14 cites·14 claims
- 3782US7605359B2Light source frequency detection circuit for image sensorOMNIVISION TECH INC·Filed 2007·Granted Oct 20, 2009·8 cites·18 claims
- 3881US9523765B2Pixel-level oversampling for a time of flight 3D image sensor with dual range measurementsOMNIVISION TECH INC·Filed 2014·Granted Dec 20, 2016·8 cites·31 claims
- 3981US9118851B2High dynamic range image sensor read out architectureOMNIVISION TECH INC·Filed 2013·Granted Aug 25, 2015·4 cites·16 claims
- 4081US9030584B2Image sensor with substrate noise isolationOMNIVISION TECH INC·Filed 2013·Granted May 12, 2015·4 cites·18 claims
- 4180US10834351B2Bitline settling speed enhancementOMNIVISION TECH INC·Filed 2018·Granted Nov 10, 2020·3 cites·20 claims
- 4280US10263031B2Feedback capacitor and method for readout of hybrid bonded image sensorsOMNIVISION TECH INC·Filed 2017·Granted Apr 16, 2019·3 cites·12 claims
- 4380US10110837B2Method and apparatus for data transmission in an image sensorOMNIVISION TECH INC·Filed 2017·Granted Oct 23, 2018·4 cites·18 claims
- 4479US8581174B2Image sensor with prismatic de-multiplexingDAI TIEJUN·Filed 2008·Granted Nov 12, 2013·7 cites·14 claims
- 4579US2025310664A1Pixel designs with reduced lofic reset and settling timesOMNIVISION TECH INC·Filed 2025·Application pending·0 cites
- 4677US9961279B1Blooming free high dynamic range image sensor read out architecture using in-frame multi-bit exposure controlOMNIVISION TECH INC·Filed 2016·Granted May 1, 2018·2 cites·22 claims
- 4777US8916980B2Pad and circuit layout for semiconductor devicesDAI TIEJUN·Filed 2012·Granted Dec 23, 2014·5 cites·19 claims
- 4877US7193198B2Image sensor and pixel that has variable capacitance output or floating nodeOMNIVISION TECH INC·Filed 2004·Granted Mar 20, 2007·14 cites·14 claims
- 4976US9119544B2Acquiring global shutter-type video images with CMOS pixel array by strobing light during vertical blanking period in otherwise dark environmentOMNIVISION TECH INC·Filed 2012·Granted Sep 1, 2015·3 cites·23 claims
- 5075US12356098B2Pixel designs with reduced LOFIC reset and settling timesOMNIVISION TECH INC·Filed 2022·Granted Jul 8, 2025·0 cites·37 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →