Inventor · disambiguated record
Kai Shi
Also filed as: SHI KAI · SHI KAI-FU
50 granted patents·31 pending applications·203 citations·filing 2007–2025
97Inventor score
Files withQUALCOMM INC26MICROSOFT TECHNOLOGY LICENSING LLC21SHI KAI7SHENZHEN CHINA STAR OPTOELECT6GOOGLE LLC4
Top patents by PatentIndex Score
81 records- 0195US8457261B1Automatic gain control techniques for detecting RF saturationSHI KAI·Filed 2010·Granted Jun 4, 2013·34 cites·23 claims
- 0291US8144683B1High throughput fine timingSUN QINFANG·Filed 2007·Granted Mar 27, 2012·31 cites·17 claims
- 0391US8121220B1Apparatus and method for reduced complexity maximum likelihood MIMO detectionSHI KAI·Filed 2008·Granted Feb 21, 2012·24 cites·14 claims
- 0487US8170160B1Multi-symbol phase offset estimationSHI KAI·Filed 2008·Granted May 1, 2012·16 cites·18 claims
- 0585US8885755B2Single stream phase tracking during channel estimation in a very high throughput wireless MIMO communication systemQUALCOMM INC·Filed 2013·Granted Nov 11, 2014·5 cites·16 claims
- 0685US8737540B1System and method for providing reduced complexity maximum likelihood MIMO detectionSHI KAI·Filed 2011·Granted May 27, 2014·14 cites·18 claims
- 0785US8447249B1System and method for providing open loop transmit power controlLU TUOFU·Filed 2011·Granted May 21, 2013·15 cites·21 claims
- 0883US9083567B2Automatic gain control techniques for detecting RF saturationQUALCOMM INC·Filed 2013·Granted Jul 14, 2015·6 cites·33 claims
- 0983US8494075B2Single stream phase tracking during channel estimation in a very high throughput wireless MIMO communication systemSHI KAI·Filed 2010·Granted Jul 23, 2013·5 cites·18 claims
- 1081US11310693B2Switching scheme for opting in and out of multi-user orthogonal frequency-division multiple accessGOOGLE LLC·Filed 2019·Granted Apr 19, 2022·2 cites·20 claims
- 1179US9204394B2Signature-coded wake-up transmissionQUALCOMM INC·Filed 2013·Granted Dec 1, 2015·4 cites·27 claims
- 1279US8787191B2Method and apparatus for determining distance in a Wi-Fi networkCHEN QIFAN·Filed 2011·Granted Jul 22, 2014·6 cites·19 claims
- 1379US8648609B2Testing system and adapter thereof utilizing a common power supply and display device to test different main board circuitsSHI KAI-FU·Filed 2010·Granted Feb 11, 2014·6 cites·19 claims
- 1478US12075335B2Switching scheme for opting in and out of multi-user orthogonal frequency-division multiple accessGOOGLE LLC·Filed 2023·Granted Aug 27, 2024·0 cites·20 claims
- 1578US9143967B2Method and apparatus for determining distance in a Wi-Fi networkQUALCOMM INC·Filed 2014·Granted Sep 22, 2015·3 cites·30 claims
- 1676US9804664B2Adaptive control of RF low power modes in a multi-rate wireless system using MCS valueQUALCOMM INC·Filed 2014·Granted Oct 31, 2017·4 cites·27 claims
- 1776US9557407B1Radar detection for adjacent segments in wireless communicationsQUALCOMM INC·Filed 2015·Granted Jan 31, 2017·4 cites·20 claims
- 1876US8891703B2Systems and methods for antenna management using per-packet channel informationQUALCOMM INC·Filed 2013·Granted Nov 18, 2014·3 cites·25 claims
- 1974US11791926B2Efficiently interconnecting a plurality of computing nodes to form a circuit-switched networkMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted Oct 17, 2023·0 cites·20 claims
- 2073US11743765B2Switching scheme for opting in and out of multi-user orthogonal frequency-division multiple accessGOOGLE LLC·Filed 2022·Granted Aug 29, 2023·0 cites·20 claims
- 2171US9055590B2Transmitter warm-up using dummy frame generationQUALCOMM INC·Filed 2012·Granted Jun 9, 2015·4 cites·31 claims
- 2270US9247541B2Selecting frequency bands for transmitting data packetsKIM YOUHAN·Filed 2011·Granted Jan 26, 2016·2 cites·15 claims
- 2369US8831155B2Radar detection method and system using low-resolution FFTSYUCEK TEVFIK·Filed 2012·Granted Sep 9, 2014·3 cites·33 claims
- 2468US12328148B2Communication in a switching networkMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2023·Granted Jun 10, 2025·0 cites·20 claims
- 2568US10159068B2FTM protocol enhancements for channel delay spreadQUALCOMM INC·Filed 2017·Granted Dec 18, 2018·1 cites·30 claims
- 2668US9935750B2Single stream phase tracking during channel estimation in a very high throughput wireless MIMO communication systemQUALCOMM INC·Filed 2014·Granted Apr 3, 2018·1 cites·15 claims
- 2768US2025224567A1Filtering unit, optical transmitter unit, optical receiver unit and optical transceiver unitMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2023·Application pending·0 cites
- 2868US2025226886A1Lens unit, optical transmitter unit, optical system and optical transceiver unitMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2023·Application pending·0 cites
- 2968US2025237824A1Optical transmitter unit, optical receiver unit and optical transceiver unitMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2023·Application pending·0 cites
- 3068US2025226891A1Filtering unit, optical receiver unit, optical transceiver unit, system and methodMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2023·Application pending·0 cites
- 3166US11931977B2Multi-core polymer optical fibre and the fabrication thereofMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted Mar 19, 2024·0 cites·20 claims
- 3266US8286049B1Configurable transmitter including flexible block coderMCFARLAND WILLIAM J·Filed 2009·Granted Oct 9, 2012·6 cites·52 claims
- 3365US11539453B2Efficiently interconnecting a plurality of computing nodes to form a circuit-switched networkMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2021·Granted Dec 27, 2022·0 cites·20 claims
- 3465US9503839B2DSRC listen mode for Wi-Fi using DSRC spectrumQUALCOMM INC·Filed 2014·Granted Nov 22, 2016·1 cites·30 claims
- 3565US2025293697A1Ring oscillator and communication apparatusHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 3663US9590206B2OLED package device and package method of OLED panelSHENZHEN CHINA STAR OPTOELECT·Filed 2014·Granted Mar 7, 2017·1 cites·11 claims
- 3762US9781673B2Adaptive control of RF low power modes in a multi-rate wireless system using device modeQUALCOMM INC·Filed 2014·Granted Oct 3, 2017·1 cites·24 claims
- 3862US9749874B2Multi-band management of wireless relaying networksQUALCOMM INC·Filed 2013·Granted Aug 29, 2017·1 cites·39 claims
- 3960US12298553B2Graded-index polymer optical fibre and the fabrication thereofMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted May 13, 2025·0 cites·11 claims
- 4057US9832064B2Single stream phase tracking during channel estimation in a very high throughput wireless MIMO communication systemQUALCOMM INC·Filed 2017·Granted Nov 28, 2017·0 cites·16 claims
- 4157US9167531B2Method and apparatus for switching between low-power, single-chain listen and multiple-chain demodulationQUALCOMM INC·Filed 2014·Granted Oct 20, 2015·0 cites·20 claims
- 4256US2025364424A1InterposerMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2024·Application pending·0 cites
- 4355US10109689B2Package method of substrate and package sturctureSHENZHEN CHINA STAR OPTOELECT·Filed 2017·Granted Oct 23, 2018·0 cites·12 claims
- 4455US9472603B2Package method of substrate and package structureSHENZHEN CHINA STAR OPTOELECT·Filed 2014·Granted Oct 18, 2016·0 cites·9 claims
- 4555US2025351629A1Micro-LEDs for optical communication systemsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2024·Application pending·0 cites
- 4654US11901955B2Communication in a switching networkMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2020·Granted Feb 13, 2024·0 cites·20 claims
- 4754US9743408B2Selecting frequency bands for transmitting data packetsQUALCOMM INC·Filed 2015·Granted Aug 22, 2017·0 cites·30 claims
- 4854US2017353957A1Selecting frequency bands for transmitting data packetsQUALCOMM INC·Filed 2017·Application pending·0 cites
- 4953US12476735B2Error-resistant data communication using multiple channelsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2024·Granted Nov 18, 2025·0 cites·20 claims
- 5053US9722004B2Package method of substrate and package structureSHENZHEN CHINA STAR OPTOELECT·Filed 2016·Granted Aug 1, 2017·0 cites·3 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →