Inventor · disambiguated record
Sung Kee Baek
Also filed as: BAEK SUNG K · BAEK SUNG KEE
41 granted patents·5 pending applications·1,236 citations·filing 1994–2025
97Inventor score
Top patents by PatentIndex Score
46 records- 0198US11444791B2Transmission of pulse power and data in a communications networkCISCO TECH INC·Filed 2020·Granted Sep 13, 2022·11 cites·41 claims
- 0298US10790997B2Transmission of pulse power and data in a communications networkCISCO TECH INC·Filed 2019·Granted Sep 29, 2020·26 cites·30 claims
- 0398US5973948AUniversal linear power supplyADVANCED MOBILE SOLUTIONS INC·Filed 1997·Granted Oct 26, 1999·159 cites·8 claims
- 0497US11522442B1Power factor of AC-DC off-line power supplies under light load conditionCISCO TECH INC·Filed 2021·Granted Dec 6, 2022·5 cites·20 claims
- 0597US11258520B2High power and data delivery in a communications network with safety and fault protectionCISCO TECH INC·Filed 2020·Granted Feb 22, 2022·26 cites·42 claims
- 0697US10735105B2High power and data delivery in a communications network with safety and fault protectionCISCO TECH INC·Filed 2018·Granted Aug 4, 2020·82 cites·35 claims
- 0797US6230029B1Modular wireless headset systemADVANCED MOBILE SOLUTIONS INC·Filed 1998·Granted May 8, 2001·527 cites·30 claims
- 0895US11063630B2Initialization and synchronization for pulse power in a network systemCISCO TECH INC·Filed 2019·Granted Jul 13, 2021·12 cites·12 claims
- 0994US11990952B2Initialization and synchronization for pulse power in a network systemCISCO TECH INC·Filed 2023·Granted May 21, 2024·2 cites·23 claims
- 1094US11848790B2Transmission of pulse power and data in a communications networkCISCO TECH INC·Filed 2022·Granted Dec 19, 2023·2 cites·20 claims
- 1194US6078825AModular wireless headset system for hands free talkingADVANCED MOBILE SOLUTIONS INC·Filed 1998·Granted Jun 20, 2000·305 cites·6 claims
- 1293US10473729B2Active AC power loss detectionCISCO TECH INC·Filed 2016·Granted Nov 12, 2019·5 cites·16 claims
- 1392US10763749B2Multi-resonant converter power supplyCISCO TECH INC·Filed 2018·Granted Sep 1, 2020·8 cites·20 claims
- 1489US11239689B2Method and apparatus for efficient power delivery in power supply systemCISCO TECH INC·Filed 2020·Granted Feb 1, 2022·2 cites·20 claims
- 1589US2025350318A1Initialization and synchronization for pulse power in a network systemCISCO TECH INC·Filed 2025·Application pending·0 cites
- 1686US12126456B2Multiple phase pulse power in a network communications systemCISCO TECH INC·Filed 2021·Granted Oct 22, 2024·1 cites·28 claims
- 1785US12407375B2Initialization and synchronization for pulse power in a network systemCISCO TECH INC·Filed 2024·Granted Sep 2, 2025·0 cites·20 claims
- 1885US11910554B2Modular and pluggable PDU to power tray/shelf deviceCISCO TECH INC·Filed 2021·Granted Feb 20, 2024·1 cites·20 claims
- 1981US2025097060A1Transmission of pulse power and data in a communications networkCISCO TECH INC·Filed 2024·Application pending·0 cites
- 2080US11456883B2Multiple phase pulse power in a network communications systemCISCO TECH INC·Filed 2019·Granted Sep 27, 2022·2 cites·32 claims
- 2180US10718822B2Active AC power loss detectionCISCO TECH INC·Filed 2019·Granted Jul 21, 2020·1 cites·16 claims
- 2279US12218770B2Transmission of pulse power and data in a communications networkCISCO TECH INC·Filed 2023·Granted Feb 4, 2025·0 cites·20 claims
- 2378US10404097B2Multi-input line-redundant uninterruptable power supplyCISCO TECH INC·Filed 2017·Granted Sep 3, 2019·3 cites·20 claims
- 2478US9614365B2Method and system to prevent bus voltage sagging when an oring-FET in an N+1 redundant power supply configuration is faulty during power upCISCO TECH INC·Filed 2014·Granted Apr 4, 2017·3 cites·18 claims
- 2578US2024380624A1Multiple phase pulse power in a network communications systemCISCO TECH INC·Filed 2024·Application pending·0 cites
- 2677US10003187B2Method and system to prevent voltage sagging in a redundant power supply configurationCISCO TECH INC·Filed 2017·Granted Jun 19, 2018·2 cites·20 claims
- 2777US2024380432A1Fault managed power with dynamic and adaptive fault sensorCISCO TECH INC·Filed 2024·Application pending·0 cites
- 2875US12395364B2High power and data delivery in a communications network with safety and fault protectionCISCO TECH INC·Filed 2022·Granted Aug 19, 2025·0 cites·28 claims
- 2975US10971923B2Hot swap inrush current limiter circuitCISCO TECH INC·Filed 2018·Granted Apr 6, 2021·1 cites·20 claims
- 3074US12126399B2Fault managed power with dynamic and adaptive fault sensorCISCO TECH INC·Filed 2023·Granted Oct 22, 2024·0 cites·27 claims
- 3173US12323042B2Modular power supply architecture optimized for flat efficiency across loadingsCISCO TECH INC·Filed 2023·Granted Jun 3, 2025·0 cites·20 claims
- 3273US5568365AHigh output, compact power supplyASIAN MICRO SOURCES INC·Filed 1994·Granted Oct 22, 1996·33 cites·14 claims
- 3372US11249144B2Active AC power loss detectionCISCO TECH INC·Filed 2020·Granted Feb 15, 2022·0 cites·20 claims
- 3471US12113588B2Initialization and synchronization for pulse power in a network systemCISCO TECH INC·Filed 2021·Granted Oct 8, 2024·0 cites·20 claims
- 3571US11916614B2Initialization and synchronization for pulse power in a network systemCISCO TECH INC·Filed 2021·Granted Feb 27, 2024·0 cites·20 claims
- 3671US11909255B2Battery charging cut-off circuitCISCO TECH INC·Filed 2022·Granted Feb 20, 2024·0 cites·20 claims
- 3770US2022116122A1High power and data delivery in a communications network with safety and fault protectionCISCO TECH INC·Filed 2021·Application pending·0 cites
- 3869US12160133B2Method and apparatus for efficient power delivery in power supply systemCISCO TECH INC·Filed 2021·Granted Dec 3, 2024·0 cites·20 claims
- 3968US11862966B2Surge protectorCISCO TECH INC·Filed 2021·Granted Jan 2, 2024·0 cites·20 claims
- 4068US11777394B1Modular power supply architecture optimized for flat efficiency across loadingsCISCO TECH INC·Filed 2022·Granted Oct 3, 2023·0 cites·20 claims
- 4167US11342762B2Battery charging cut-off circuitCISCO TECH INC·Filed 2020·Granted May 24, 2022·0 cites·20 claims
- 4258US11831109B2Electrical connector with integrated electronic controlled power switch or circuit breaker safety deviceCISCO TECH INC·Filed 2020·Granted Nov 28, 2023·0 cites·23 claims
- 4356US12443259B2Remote switch synchronization for pulse power and fault managed power (FMP) applicationsCISCO TECH INC·Filed 2022·Granted Oct 14, 2025·0 cites·32 claims
- 4456US10868431B2Battery charging cut-off circuitCISCO TECH INC·Filed 2018·Granted Dec 15, 2020·0 cites·20 claims
- 4555US11682904B2Three-phase AC load unbalance detection and balancing method and circuitCISCO TECH INC·Filed 2021·Granted Jun 20, 2023·0 cites·20 claims
- 4639US5959434AMechanical charging selection apparatusADVANCED MOBILE SOLUTIONS INC·Filed 1997·Granted Sep 28, 1999·17 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →