Inventor · disambiguated record
Sangsun Kim
Also filed as: KIM SANGSUN
43 granted patents·3 pending applications·521 citations·filing 2004–2024
98Inventor score
Top patents by PatentIndex Score
46 records- 0196US8278997B1Apparatus and methodology for controlling hot swap MOSFETsKIM SANGSUN·Filed 2011·Granted Oct 2, 2012·56 cites·25 claims
- 0295US9439327B1Vertical tray structure for rack in data centerGOOGLE INC·Filed 2015·Granted Sep 6, 2016·12 cites·18 claims
- 0395US9413221B1Power conversion using a series of power convertersGOOGLE INC·Filed 2013·Granted Aug 9, 2016·20 cites·17 claims
- 0494US9490663B1Apparatus and methodology for battery backup circuit and control in an uninterruptible power supplyKIM SANGSUN·Filed 2012·Granted Nov 8, 2016·36 cites·18 claims
- 0594US9392720B1Server rack architecture that facilitates reduced current densityGOOGLE INC·Filed 2013·Granted Jul 12, 2016·13 cites·5 claims
- 0694US9065277B1Battery backup system for uninterrupted power supplyKIM SANGSUN·Filed 2012·Granted Jun 23, 2015·29 cites·20 claims
- 0794US8964374B1Vertical tray structure for rack in data centerSHENG HONGGANG·Filed 2012·Granted Feb 24, 2015·18 cites·20 claims
- 0894US7236041B2Isolated gate driver circuit for power switching devicesMONOLITHIC POWER SYSTEMS INC·Filed 2005·Granted Jun 26, 2007·30 cites·22 claims
- 0993US9373977B1Battery backup system for uninterrupted power supplyGOOGLE INC·Filed 2015·Granted Jun 21, 2016·10 cites·20 claims
- 1093US8270188B1Apparatus and methodology for generating an auxiliary low power output by using three-phase input powerKIM SANGSUN·Filed 2011·Granted Sep 18, 2012·17 cites·20 claims
- 1190US9712040B1Virtual impedance shapingGOOGLE INC·Filed 2014·Granted Jul 18, 2017·17 cites·20 claims
- 1290US7170268B2DC to DC converter with high frequency zigzag transformerLITE ON TECHNOLOGY CORP·Filed 2004·Granted Jan 30, 2007·69 cites·25 claims
- 1389US12051940B2Timing determination for UPS power transferGOOGLE LLC·Filed 2022·Granted Jul 30, 2024·1 cites·20 claims
- 1489US9634512B1Battery backup with bi-directional converterGOOGLE INC·Filed 2013·Granted Apr 25, 2017·20 cites·22 claims
- 1588US7667410B2Equalizing discharge lamp currents in circuitsMONOLITHIC POWER SYSTEMS INC·Filed 2005·Granted Feb 23, 2010·14 cites·12 claims
- 1687US9225202B1AC power control for a power supply system during AC line disturbanceKIM SANGSUN·Filed 2012·Granted Dec 29, 2015·30 cites·19 claims
- 1787US9166410B1Line balancing for a three-phase alternating current systemKIM SANGSUN·Filed 2012·Granted Oct 20, 2015·17 cites·19 claims
- 1887US9032250B1Online testing of secondary power unitGOOGLE INC·Filed 2012·Granted May 12, 2015·10 cites·26 claims
- 1986US9667094B1Battery backup system for uninterrupted power supplyGOOGLE INC·Filed 2016·Granted May 30, 2017·4 cites·20 claims
- 2084US10327354B1Server rack architecture that facilitates reduced current densityGOOGLE LLC·Filed 2019·Granted Jun 18, 2019·2 cites·16 claims
- 2184US9515520B1Battery backup based on voltage feed-forward control in a power supplyKIM SANGSUN·Filed 2012·Granted Dec 6, 2016·9 cites·19 claims
- 2284US9479077B1Three-phase power supply systemGOOGLE INC·Filed 2013·Granted Oct 25, 2016·9 cites·20 claims
- 2384US9214833B1Redundant charging and discharging MOSFET driving in battery backup systemKIM SANGSUN·Filed 2012·Granted Dec 15, 2015·7 cites·22 claims
- 2483US9997917B2Transformerless power conversionGOOGLE LLC·Filed 2015·Granted Jun 12, 2018·5 cites·14 claims
- 2583US9035609B1Hot swap control in uninterruptible power supplyKIM SANGSUN·Filed 2012·Granted May 19, 2015·7 cites·17 claims
- 2682US9966761B1Load curtailment on an electrical gridGOOGLE LLC·Filed 2014·Granted May 8, 2018·8 cites·18 claims
- 2782US9490720B1Power conversion with solid-state transformerGOOGLE INC·Filed 2013·Granted Nov 8, 2016·6 cites·20 claims
- 2880US9716408B2Redundant residential power sourcesGOOGLE INC·Filed 2015·Granted Jul 25, 2017·3 cites·18 claims
- 2980US8810273B1Apparatus and methodology for instantaneous AC line fault detectionKIM SANGSUN·Filed 2011·Granted Aug 19, 2014·7 cites·20 claims
- 3079US8872484B2Power factor correction circuitry and methodology to compensate for leading power factorKIM SANGSUN·Filed 2011·Granted Oct 28, 2014·5 cites·19 claims
- 3178US10033196B2Converting alternating current power to direct current powerGOOGLE INC·Filed 2015·Granted Jul 24, 2018·4 cites·15 claims
- 3277US2024396367A1System and Method for Transitioning to Backup Power PoolingGOOGLE LLC·Filed 2024·Application pending·0 cites
- 3376US10439399B2Transformerless power conversionGOOGLE LLC·Filed 2018·Granted Oct 8, 2019·2 cites·8 claims
- 3474US9335774B1Non-isolated intermediate bus converterSHENG HONGGANG·Filed 2012·Granted May 10, 2016·4 cites·15 claims
- 3574US7525258B2Current balancing techniques for fluorescent lampsMONOLITHIC POWER SYSTEMS INC·Filed 2006·Granted Apr 28, 2009·12 cites·10 claims
- 3673US7439685B2Current balancing technique with magnetic integration for fluorescent lampsMONOLITHIC POWER SYSTEMS INC·Filed 2005·Granted Oct 21, 2008·4 cites·23 claims
- 3771US12081064B2System and method for transitioning to backup power poolingGOOGLE LLC·Filed 2022·Granted Sep 3, 2024·0 cites·20 claims
- 3871US9548650B1AC power monitoring and parameter determinationKIM SANGSUN·Filed 2011·Granted Jan 17, 2017·2 cites·20 claims
- 3968US9843221B1Redundant charging and discharging MOSFET driving in battery backup systemGOOGLE INC·Filed 2015·Granted Dec 12, 2017·1 cites·20 claims
- 4062US10225948B1Server rack architecture that facilitates reduced current densityGOOGLE LLC·Filed 2018·Granted Mar 5, 2019·0 cites·11 claims
- 4159US10727673B2Transformerless power conversionGOOGLE LLC·Filed 2019·Granted Jul 28, 2020·0 cites·7 claims
- 4258US9967998B1Server rack architecture that facilitates reduced current densityGOOGLE LLC·Filed 2016·Granted May 8, 2018·0 cites·13 claims
- 4357US9692309B1AC power monitoring and parameter determinationGOOGLE INC·Filed 2016·Granted Jun 27, 2017·0 cites·20 claims
- 4456US9166423B2Battery leakage current elimination in UPS unitsKIM SANGSUN·Filed 2012·Granted Oct 20, 2015·1 cites·19 claims
- 4553US2017288454A1Redundant residential power sourcesGOOGLE INC·Filed 2017·Application pending·0 cites
- 4651US2013187468A1Uninterruptible power supply control in distributed power architectureKIM SANGSUN·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →