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Inventor

Constantin Bucur

Inventor
Santa Clara, CA, US

Overview

57→
Patents
2002–2015
Patent span
Electricity
Primary field (CPC H)

Patents· 57 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Jprimary
H02JElectric power networks34%
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 systems15%
Y02TClimate change mitigation technologies related to transportation11%
G01RMeasuring electric variables8%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
G06FElectric digital data processing4%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%
G05FSystems for regulating electric or magnetic variables2%
G01KMeasuring temperature1%
PatentTitleYear
9,130,378'Systems and methods for balancing battery cells'20158,907,625'Battery management systems with vertical bus circuits'20148,598,855'Monitoring and control circuit for adjusting current'20138,598,844'Systems and methods for balancing battery cells'20138,587,264'System, method and apparatus to automatically detect a type of a variable output DC power source'20138,581,552'Battery state monitoring circuitry with low power consumption during a stand-by-state of a battery pack'20138,461,806'Systems and methods for cell balancing'20138,446,142'Capacity detector for detecting capacity of an energy storage unit'20138,350,534'Method and electronic circuit for efficient battery wake up charging'20138,310,206'Monitoring battery cell voltage'20128,294,421'Cell balancing systems employing transformers'20128,294,424'Monitoring battery cell voltage'20128,278,876'Battery pack current monitoring'20128,248,259'Protection circuit with timer'20128,148,942'Charging systems with cell balancing functions'20128,120,312'Power management topologies to control power between a DC power source and one or more batteries to a system load'20128,118,487'Auto-ranging thermistor-based temperature detection system'20128,049,471'System, method and apparatus to automatically detect a type of a variable output DC power source'20117,999,554'Single floating battery cell voltage level translator circuitry'20117,994,660'Supply topology with power limiting feedback loop'20117,936,151'Battery state monitoring circuitry with low power consumption during a stand-by-state of a battery pack'20117,825,627'Monitoring battery cell voltage'20107,804,273'Selector circuit for power management in multiple battery systems'20107,791,313'Selector circuit for power management in multiple battery systems'20107,791,314'Power management topologies to control power between a DC power source and one or more batteries to a system load'20107,777,463'System, method and apparatus to automatically detect a type of a variable output DC power source'20107,683,577'Battery state monitoring circuitry with low power consumption during a stand-by-state of a battery pack'20107,622,830'Supply topology with power limiting feedback loop'20097,592,777'Current mode battery charger controller'20097,583,067'Variable power output regulator'20097,564,220'Method and electronic circuit for efficient battery wake up charging'20097,508,176'Controller for a DC to DC converter having linear mode and switch mode capabilities'20097,501,720'Selector circuit for power management in multiple battery systems'20097,489,110'Selector circuit for power management in multiple battery systems'20097,471,016'Low pass filter'20087,414,381'Charging circuit for parallel charging in multiple battery systems'20087,348,760'Power management topologies'20087,339,323'Serial powering of an LED string'20087,203,048'DC to DC controller with inrush current protection'20077,202,634'Voltage mode, high accuracy battery charger'20077,126,241'Intelligent adapter'20067,112,943'Enabling circuit for avoiding negative voltage transients'20067,095,217'Method circuitry and electronic device for controlling a variable output dc power source'20067,064,521'Charging circuit for parallel charging in multiple battery systems'20067,009,364'Selector circuit for power management in multiple battery systems'20066,977,482'Selector circuit for power management in multiple battery systems'20056,949,912'Enabling circuit for avoiding negative voltage transients'20056,906,497'Enabling circuit for avoiding negative voltage transients'20056,888,338'Portable computer and docking station having charging circuits with remote power sensing capabilities'20056,882,214'Circuit and method for trimming locking of integrated circuits'20056,879,134'Selector circuit for power management in multiple battery systems'20056,864,669'Power supply block with simplified switch configuration'20056,861,823'Charging circuit for controlling a charging parameter of a rechargeable battery'20056,756,769'Enabling circuit for avoiding negative voltage transients'20046,611,129'Voltage mode, high accuracy battery charger'20036,597,153'Fast transient charging circuit'20036,498,461'Voltage mode, high accuracy battery charger'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2013Patents assigned to O2MICRO INT LTD (40)· patent assignee history
2002–2015Based in Sunnyvale, CA, US· patent location history
2003–2013Based in Santa Clara, CA, US· patent location history
2012–2014Patents assigned to BUCUR CONSTANTIN (16)· patent assignee history
2012–2015Patents assigned to O2MICRO INC (10)· patent assignee history
2012–2014Patents assigned to GOH JIUN HENG (6)· patent assignee history
2012–2014Patents assigned to LUPU FLAVIUS (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
O2MICRO INT LTD402002–2013
BUCUR CONSTANTINself162012–2014
O2MICRO INC102012–2015
GOH JIUN HENG62012–2014
LUPU FLAVIUS62012–2014
Locations
LocationPatentsSpan
Santa Clara, California, US442003–2013
Sunnyvale, California, US132002–2015