Inventor
Sangsun Kim
Inventor
San Jose, CA, US
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks28%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems22%
H05KPrinted circuits8%
G01RMeasuring electric variables7%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
G06FElectric digital data processing6%
H05BElectric heating4%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,727,673Transformerless power conversion202010,439,399Transformerless power conversion201910,327,354Server rack architecture that facilitates reduced current density201910,225,948Server rack architecture that facilitates reduced current density201910,033,196Converting alternating current power to direct current power20189,997,917Transformerless power conversion20189,967,998Server rack architecture that facilitates reduced current density20189,966,761Load curtailment on an electrical grid20189,843,221'Redundant charging and discharging MOSFET driving in battery backup system'20179,716,408'Redundant residential power sources'20179,712,040'Virtual impedance shaping'20179,692,309'AC power monitoring and parameter determination'20179,667,094'Battery backup system for uninterrupted power supply'20179,634,512'Battery backup with bi-directional converter'20179,548,650'AC power monitoring and parameter determination'20179,515,520'Battery backup based on voltage feed-forward control in a power supply'20169,490,663'Apparatus and methodology for battery backup circuit and control in an uninterruptible power supply'20169,490,720'Power conversion with solid-state transformer'20169,479,077'Three-phase power supply system'20169,439,327'Vertical tray structure for rack in data center'20169,413,221'Power conversion using a series of power converters'20169,392,720'Server rack architecture that facilitates reduced current density'20169,373,977'Battery backup system for uninterrupted power supply'20169,335,774'Non-isolated intermediate bus converter'20169,225,202'AC power control for a power supply system during AC line disturbance'20159,214,833'Redundant charging and discharging MOSFET driving in battery backup system'20159,166,410'Line balancing for a three-phase alternating current system'20159,166,423'Battery leakage current elimination in UPS units'20159,065,277'Battery backup system for uninterrupted power supply'20159,035,609'Hot swap control in uninterruptible power supply'20159,032,250'Online testing of secondary power unit'20158,964,374'Vertical tray structure for rack in data center'20158,872,484'Power factor correction circuitry and methodology to compensate for leading power factor'20148,810,273'Apparatus and methodology for instantaneous AC line fault detection'20148,278,997'Apparatus and methodology for controlling hot swap MOSFETs'20128,270,188'Apparatus and methodology for generating an auxiliary low power output by using three-phase input power'20127,667,410'Equalizing discharge lamp currents in circuits'20107,525,258'Current balancing techniques for fluorescent lamps'20097,439,685'Current balancing technique with magnetic integration for fluorescent lamps'20087,236,041'Isolated gate driver circuit for power switching devices'20077,170,268'DC to DC converter with high frequency zigzag transformer'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2010Patents assigned to MONOLITHIC POWER SYSTEMS INC (4)· patent assignee history
2007–2020Based in San Jose, CA, US· patent location history
2007Based in Taipei, TW· patent location history
2012–2018Patents assigned to GOOGLE INC (29)· patent assignee history
2012–2017Patents assigned to KIM SANGSUN (15)· patent assignee history
2012–2016Patents assigned to SHENG HONGGANG (3)· patent assignee history
2017–2020Patents assigned to GOOGLE LLC (9)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GOOGLE INC | 29 | 2012–2018 |
| KIM SANGSUNself | 15 | 2012–2017 |
| GOOGLE LLC | 9 | 2017–2020 |
| MONOLITHIC POWER SYSTEMS INC | 4 | 2007–2010 |
| SHENG HONGGANG | 3 | 2012–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 40 | 2007–2020 |
| Taipei, TW | 1 | 2007 |