Inventor · disambiguated record
Kai D. Feng
Also filed as: FENG KAI · FENG KAI D · FENG KAI DI
136 granted patents·11 pending applications·1,205 citations·filing 1994–2023
99Inventor score
Top patents by PatentIndex Score
147 records- 0199US8519892B2Integrated millimeter wave antenna and transceiver on a substrateDING HANYI·Filed 2012·Granted Aug 27, 2013·197 cites·19 claims
- 0296US8525549B1Physical unclonable function cell and arrayFENG KAI D·Filed 2012·Granted Sep 3, 2013·32 cites·20 claims
- 0396US7323948B2Vertical LC tank deviceIBM·Filed 2005·Granted Jan 29, 2008·43 cites·8 claims
- 0495US9380688B1Air gap electrostatic discharge structure for high speed circuitsIBM·Filed 2015·Granted Jun 28, 2016·15 cites·20 claims
- 0595US8674423B2Semiconductor structure having vias and high density capacitorsCOLLINS DAVID S·Filed 2011·Granted Mar 18, 2014·26 cites·18 claims
- 0693US8211756B23D chip-stack with fuse-type through silicon viaFENG KAI DI·Filed 2010·Granted Jul 3, 2012·15 cites·11 claims
- 0793US7564319B2Vertical LC tank deviceIBM·Filed 2007·Granted Jul 21, 2009·24 cites·21 claims
- 0892US9503106B1Frequency-locked voltage regulated loopGLOBALFOUNDRIES INC·Filed 2015·Granted Nov 22, 2016·10 cites·20 claims
- 0992US8415999B2High frequency quadrature PLL circuit and methodDING HANYI·Filed 2010·Granted Apr 9, 2013·12 cites·24 claims
- 1092US7571637B2Design structure for an on-chip real-time moisture sensor for and method of detecting moisture ingress in an integrated circuit chipIBM·Filed 2007·Granted Aug 11, 2009·20 cites·5 claims
- 1191US6731122B2Wafer test apparatus including optical elements and method of using the test apparatusIBM·Filed 2001·Granted May 4, 2004·36 cites·6 claims
- 1291US6175434B1Adaptive infrared communication apparatusIBM·Filed 1997·Granted Jan 16, 2001·119 cites·23 claims
- 1390US7381981B2Phase-change TaN resistor based triple-state/multi-state read only memoryIBM·Filed 2005·Granted Jun 3, 2008·18 cites·20 claims
- 1489US6748180B2Capacitor regulated high efficiency driver for a light emitting diodeIBM·Filed 2001·Granted Jun 8, 2004·43 cites·20 claims
- 1588US9240406B2Precision trench capacitorGLOBALFOUNDRIES INC·Filed 2014·Granted Jan 19, 2016·9 cites·20 claims
- 1688US7271693B2On-chip inductor with magnetic coreIBM·Filed 2006·Granted Sep 18, 2007·13 cites·6 claims
- 1788US7071530B1Multiple layer structure for substrate noise isolationIBM·Filed 2005·Granted Jul 4, 2006·18 cites·20 claims
- 1887US9189654B2On-chip structure for security applicationIBM·Filed 2013·Granted Nov 17, 2015·9 cites·17 claims
- 1987US8493075B2Method and apparatus for preventing circuit failureFENG KAI D·Filed 2010·Granted Jul 23, 2013·9 cites·25 claims
- 2087US7839163B2Programmable through silicon viaIBM·Filed 2009·Granted Nov 23, 2010·12 cites·8 claims
- 2187US7345503B2Method and apparatus for impedance matching in transmission circuits using tantalum nitride resistor devicesIBM·Filed 2006·Granted Mar 18, 2008·13 cites·8 claims
- 2287US7012440B2Wafer test apparatus including optical elements and method of using the test apparatusIBM·Filed 2004·Granted Mar 14, 2006·25 cites·7 claims
- 2386US8421183B2Structure of very high insertion loss of the substrate noise decouplingDING HANYI·Filed 2011·Granted Apr 16, 2013·6 cites·14 claims
- 2486US8232920B2Integrated millimeter wave antenna and transceiver on a substrateDING HANYI·Filed 2008·Granted Jul 31, 2012·15 cites·17 claims
- 2586US8232115B2Test structure for determination of TSV depthDING HANYI·Filed 2009·Granted Jul 31, 2012·11 cites·11 claims
- 2686US7943404B2Integrated millimeter wave antenna and transceiver on a substrateIBM·Filed 2008·Granted May 17, 2011·17 cites·18 claims
- 2786US7930664B2Programmable through silicon viaIBM·Filed 2010·Granted Apr 19, 2011·7 cites·10 claims
- 2884US8890556B2Real-time on-chip EM performance monitoringCHEN FEN·Filed 2011·Granted Nov 18, 2014·6 cites·19 claims
- 2983US8416121B2Narrow-band wide-range frequency modulation continuous wave (FMCW) radar systemCHEN HOWARD H·Filed 2010·Granted Apr 9, 2013·10 cites·20 claims
- 3082US9117824B2Embedded on-chip securityIBM·Filed 2013·Granted Aug 25, 2015·5 cites·5 claims
- 3182US8399927B2Semiconductor structure including a high performance fet and a high voltage fet on an SOI substrateDING HANYI·Filed 2012·Granted Mar 19, 2013·5 cites·12 claims
- 3282US8274301B2On-chip accelerated failure indicatorFENG KAI D·Filed 2009·Granted Sep 25, 2012·11 cites·20 claims
- 3382US7759243B2Method for forming an on-chip high frequency electro-static discharge deviceIBM·Filed 2008·Granted Jul 20, 2010·10 cites·20 claims
- 3482US7061359B2On-chip inductor with magnetic coreIBM·Filed 2003·Granted Jun 13, 2006·27 cites·9 claims
- 3581US9391014B2Physical unclonable interconnect function arrayIBM·Filed 2015·Granted Jul 12, 2016·2 cites·3 claims
- 3681US6834165B2Parallel opto-electric structure for high sensitivity and wide bandwidth optical transceiverIBM·Filed 2001·Granted Dec 21, 2004·23 cites·20 claims
- 3780US9281236B2Embedded on-chip securityIBM·Filed 2015·Granted Mar 8, 2016·3 cites·2 claims
- 3880US8941405B2FET pair based physically unclonable function (PUF) circuit with a constant common mode voltageCHI HOWARD H·Filed 2012·Granted Jan 27, 2015·8 cites·18 claims
- 3980US8159814B2Method of operating transistors and structures thereof for improved reliability and lifetimeWANG PING-CHUAN·Filed 2009·Granted Apr 17, 2012·10 cites·27 claims
- 4080US7816945B23D chip-stack with fuse-type through silicon viaIBM·Filed 2009·Granted Oct 19, 2010·7 cites·8 claims
- 4179US9331012B2Method for fabricating a physical unclonable interconnect function arrayFENG KAI D·Filed 2012·Granted May 3, 2016·3 cites·9 claims
- 4279US9190360B2Photoresist collapse method for forming a physical unclonable functionIBM·Filed 2014·Granted Nov 17, 2015·3 cites·9 claims
- 4379US8101494B2Structure, design structure and method of manufacturing a structure having VIAS and high density capacitorsCOLLINS DAVID S·Filed 2008·Granted Jan 24, 2012·7 cites·24 claims
- 4479US7538622B2Multiple reference frequency fractional-N PLL (phase locked loop)IBM·Filed 2007·Granted May 26, 2009·11 cites·3 claims
- 4578US9166588B2Semiconductor device including enhanced variabilityIBM·Filed 2014·Granted Oct 20, 2015·3 cites·20 claims
- 4678US9059204B2Methodology and apparatus for tuning driving current of semiconductor transistorsIBM·Filed 2014·Granted Jun 16, 2015·3 cites·9 claims
- 4778US8669786B1Clock phase shift detectorIBM·Filed 2012·Granted Mar 11, 2014·4 cites·21 claims
- 4878US8581648B2High frequency quadrature PLL circuit and methodIBM·Filed 2013·Granted Nov 12, 2013·4 cites·15 claims
- 4978US7768762B2Design structure for an on-chip high frequency electro-static discharge deviceIBM·Filed 2008·Granted Aug 3, 2010·7 cites·20 claims
- 5078US7609121B2Multiple status e-fuse based non-volatile voltage control oscillator configured for process variation compensation, an associated method and an associated design structureIBM·Filed 2008·Granted Oct 27, 2009·7 cites·19 claims
Showing the top 50 of 147 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →