Constantin Bucur

Person

Sunnyvale, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for balancing battery cells
- Patent number 9,130,378
- Issue date Sep 8, 2015
- O2Micro, Inc.
- William Densham
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery management systems with vertical bus circuits
- Patent number 8,907,625
- Issue date Dec 9, 2014
- O2Micro, Inc.
- Allan Flippin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Monitoring and control circuit for adjusting current
- Patent number 8,598,855
- Issue date Dec 3, 2013
- O2Micro, Inc.
- Constantin Bucur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for balancing battery cells
- Patent number 8,598,844
- Issue date Dec 3, 2013
- O2Micro, Inc.
- William Densham
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System, method and apparatus to automatically detect a type of a va...
- Patent number 8,587,264
- Issue date Nov 19, 2013
- O2Micro International Limited
- Marian Niculae
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Battery state monitoring circuitry with low power consumption durin...
- Patent number 8,581,552
- Issue date Nov 12, 2013
- O2Micro International Limited
- Constantin Bucur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for cell balancing
- Patent number 8,461,806
- Issue date Jun 11, 2013
- O2Micro Inc.
- Flavius Lupu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Capacity detector for detecting capacity of an energy storage unit
- Patent number 8,446,142
- Issue date May 21, 2013
- O2Micro, Inc.
- Constantin Bucur
- G01 - MEASURING TESTING
Information Patent Grant
Method and electronic circuit for efficient battery wake up charging
- Patent number 8,350,534
- Issue date Jan 8, 2013
- O2Micro International, Ltd.
- Marian Niculae
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Monitoring battery cell voltage
- Patent number 8,310,206
- Issue date Nov 13, 2012
- O2Micro International Limited
- Constantin Bucur
- G01 - MEASURING TESTING
Information Patent Grant
Cell balancing systems employing transformers
- Patent number 8,294,421
- Issue date Oct 23, 2012
- O2Micro Inc.
- Constantin Bucur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Monitoring battery cell voltage
- Patent number 8,294,424
- Issue date Oct 23, 2012
- O2Micro International Limited
- Constantin Bucur
- G01 - MEASURING TESTING
Information Patent Grant
Battery pack current monitoring
- Patent number 8,278,876
- Issue date Oct 2, 2012
- O2Micro, Inc.
- Constantin Bucur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protection circuit with timer
- Patent number 8,248,259
- Issue date Aug 21, 2012
- O2Micro, Inc.
- Constantin Bucur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charging systems with cell balancing functions
- Patent number 8,148,942
- Issue date Apr 3, 2012
- O2Micro International Limited
- William Densham
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Auto-ranging thermistor-based temperature detection system
- Patent number 8,118,487
- Issue date Feb 21, 2012
- O2Micro, Inc.
- JiunHeng Goh
- G01 - MEASURING TESTING
Information Patent Grant
Power management topologies to control power between a DC power sou...
- Patent number 8,120,312
- Issue date Feb 21, 2012
- 02Micro International Limited
- Constantin Bucur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System, method and apparatus to automatically detect a type of a va...
- Patent number 8,049,471
- Issue date Nov 1, 2011
- O2Micro International Limited
- Marian Niculae
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Single floating battery cell voltage level translator circuitry
- Patent number 7,999,554
- Issue date Aug 16, 2011
- O2Micro International Limited
- Constantin Bucur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Supply topology with power limiting feedback loop
- Patent number 7,994,660
- Issue date Aug 9, 2011
- 02Micro International Limited
- Doru Cioaca
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery state monitoring circuitry with low power consumption durin...
- Patent number 7,936,151
- Issue date May 3, 2011
- O2Micro International Limited
- Constantin Bucur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Monitoring battery cell voltage
- Patent number 7,825,627
- Issue date Nov 2, 2010
- O2Micro International Limited
- Constantin Bucur
- G01 - MEASURING TESTING
Information Patent Grant
Selector circuit for power management in multiple battery systems
- Patent number 7,804,273
- Issue date Sep 28, 2010
- O2Micro International Limited
- Vlad Popescu-Stanesti
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Selector circuit for power management in multiple battery systems
- Patent number 7,791,313
- Issue date Sep 7, 2010
- O2Micro International Limited
- Vlad Popescu Stanesti
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power management topologies to control power between a DC power sou...
- Patent number 7,791,314
- Issue date Sep 7, 2010
- O2Micro International Limited
- Constantin Bucur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System, method and apparatus to automatically detect a type of a va...
- Patent number 7,777,463
- Issue date Aug 17, 2010
- O2Micro International Limited
- Marian Niculae
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Battery state monitoring circuitry with low power consumption durin...
- Patent number 7,683,577
- Issue date Mar 23, 2010
- O2Micro International Limited
- Constantin Bucur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Supply topology with power limiting feedback loop
- Patent number 7,622,830
- Issue date Nov 24, 2009
- O2Micro International Limited
- Doru Cioaca
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current mode battery charger controller
- Patent number 7,592,777
- Issue date Sep 22, 2009
- O2Micro International Limited
- Chun Lu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable power output regulator
- Patent number 7,583,067
- Issue date Sep 1, 2009
- O2Mcro International Limited
- Marian Niculae
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR BALANCING BATTERY CELLS
- Publication number 20140084871
- Publication date Mar 27, 2014
- O2Micro Inc.
- William DENSHAM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BALANCING CELLS IN A BATTERY PACK
- Publication number 20130207610
- Publication date Aug 15, 2013
- John HULL
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY MANAGEMENT SYSTEMS WITH VERTICAL BUS CIRCUITS
- Publication number 20130019037
- Publication date Jan 17, 2013
- Allan Flippin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY MONITORING SYSTEM WITH A SWITCHING MODE TOPOLOGY
- Publication number 20120081126
- Publication date Apr 5, 2012
- Stefan MAIREANU
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM, METHOD AND APPARATUS TO AUTOMATICALLY DETECT A TYPE OF A VA...
- Publication number 20120043948
- Publication date Feb 23, 2012
- O2MICRO INTERNATIONAL LIMITED
- Marian Niculae
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR BALANCING BATTERY CELLS
- Publication number 20120038323
- Publication date Feb 16, 2012
- William DENSHAM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CHARGING SYSTEMS WITH CELL BALANCING FUNCTIONS
- Publication number 20110101916
- Publication date May 5, 2011
- William DENSHAM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MONITORING BATTERY CELL VOLTAGE
- Publication number 20110057586
- Publication date Mar 10, 2011
- O2MICRO INTERNATIONAL LIMITED
- Constantin Bucur
- G01 - MEASURING TESTING
Information Patent Application
MONITORING BATTERY CELL VOLTAGE
- Publication number 20110043168
- Publication date Feb 24, 2011
- O2MICRO INTERNATIONAL LIMITED
- Constantin Bucur
- G01 - MEASURING TESTING
Information Patent Application
POWER MANAGEMENT TOPOLOGIES
- Publication number 20100327813
- Publication date Dec 30, 2010
- O2MICRO INTERNATIONAL LIMITED
- Constantin Bucur
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Monitoring and control circuit for adjusting current
- Publication number 20100327829
- Publication date Dec 30, 2010
- O2 Micro, Inc.
- Constantin Bucur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM, METHOD AND APPARATUS TO AUTOMATICALLY DETECT A TYPE OF A VA...
- Publication number 20100308779
- Publication date Dec 9, 2010
- O2MICRO INTERNATIONAL LIMITED
- Marian Niculae
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CELL BALANCING SYSTEMS EMPLOYING TRANSFORMERS
- Publication number 20100225275
- Publication date Sep 9, 2010
- Constantin Bucur
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Protection circuit with timer
- Publication number 20100182156
- Publication date Jul 22, 2010
- O2 Micro, Inc.
- Constantin Bucur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY STATE MONITORING CIRCUITRY WITH LOW POWER CONSUMPTION DURIN...
- Publication number 20100171467
- Publication date Jul 8, 2010
- O2MICRO INTERNATIONAL LIMITED
- Constantin Bucur
- G01 - MEASURING TESTING
Information Patent Application
BATTERY STATE MONITORING CIRCUITRY WITH LOW POWER CONSUMPTION DURIN...
- Publication number 20100171502
- Publication date Jul 8, 2010
- O2MICRO INTERNATIONAL LIMITED
- Constantin Bucur
- G01 - MEASURING TESTING
Information Patent Application
SUPPLY TOPOLOGY WITH POWER LIMITING FEEDBACK LOOP
- Publication number 20100066318
- Publication date Mar 18, 2010
- Doru Cioaca
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
METHOD AND ELECTRONIC CIRCUIT FOR EFFICIENT BATTERY WAKE UP CHARGING
- Publication number 20090278499
- Publication date Nov 12, 2009
- O2Micro, Inc.
- Marian Niculae
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Capacity detector for detecting capacity of an energy storage unit
- Publication number 20090230972
- Publication date Sep 17, 2009
- O2Micro, Inc.
- Constantin Bucur
- G01 - MEASURING TESTING
Information Patent Application
SELECTOR CIRCUIT FOR POWER MANAGEMENT IN MULTIPLE BATTERY SYSTEMS
- Publication number 20090206795
- Publication date Aug 20, 2009
- O2MICRO INTERNATIONAL LIMITED
- Vlad Popescu Stanesti
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
SELECTOR CIRCUIT FOR POWER MANAGEMENT IN MULTIPLE BATTERY SYSTEMS
- Publication number 20090167091
- Publication date Jul 2, 2009
- O2MICRO INTERNATIONAL LIMITED
- Vlad Popescu Stanesti
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
AUTO-RANGING THERMISTOR-BASED TEMPERATURE DETECTION SYSTEM
- Publication number 20090110028
- Publication date Apr 30, 2009
- O2Micro, Inc.
- Jiunheng GOH
- G01 - MEASURING TESTING
Information Patent Application
Systems and methods for cell balancing
- Publication number 20090096420
- Publication date Apr 16, 2009
- O2Micro Inc
- Flavius Lupu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Systems and methods for cell balancing
- Publication number 20090079391
- Publication date Mar 26, 2009
- O2Micro Inc
- Flavius Lupu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Charging Circuit for Parallel Charging in Multiple Battery Systems
- Publication number 20090045775
- Publication date Feb 19, 2009
- O2MICRO INTERNATIONAL LIMITED
- Vlad Popescu Stanesti
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
POWER MANAGEMENT TOPOLOGIES
- Publication number 20080231117
- Publication date Sep 25, 2008
- O2MICRO INTERNATIONAL LIMITED
- Constantin Bucur
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Serial powering of an light emitting diode string
- Publication number 20080150439
- Publication date Jun 26, 2008
- O2Micro Inc
- Constantin Bucur
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
MONITORING BATTERY CELL VOLTAGE
- Publication number 20080012534
- Publication date Jan 17, 2008
- O2Micro, Inc.
- Constantin Bucur
- G01 - MEASURING TESTING
Information Patent Application
Monitoring battery cell voltage
- Publication number 20080012570
- Publication date Jan 17, 2008
- O2Micro, Inc.
- Constantin Bucur
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Low Pass Filter
- Publication number 20070241734
- Publication date Oct 18, 2007
- O2Micro, Inc.
- Emanuel Stoicescu
- H03 - BASIC ELECTRONIC CIRCUITRY

Constantin Bucur

Person

Patents Grantslast 30 patents

Systems and methods for balancing battery cells

Battery management systems with vertical bus circuits

Monitoring and control circuit for adjusting current

Systems and methods for balancing battery cells

System, method and apparatus to automatically detect a type of a va...

Battery state monitoring circuitry with low power consumption durin...

Systems and methods for cell balancing

Capacity detector for detecting capacity of an energy storage unit

Method and electronic circuit for efficient battery wake up charging

Monitoring battery cell voltage

Cell balancing systems employing transformers

Monitoring battery cell voltage

Battery pack current monitoring

Protection circuit with timer

Charging systems with cell balancing functions

Auto-ranging thermistor-based temperature detection system

Power management topologies to control power between a DC power sou...

System, method and apparatus to automatically detect a type of a va...

Single floating battery cell voltage level translator circuitry

Supply topology with power limiting feedback loop

Battery state monitoring circuitry with low power consumption durin...

Monitoring battery cell voltage

Selector circuit for power management in multiple battery systems

Selector circuit for power management in multiple battery systems

Power management topologies to control power between a DC power sou...

System, method and apparatus to automatically detect a type of a va...

Battery state monitoring circuitry with low power consumption durin...

Supply topology with power limiting feedback loop

Current mode battery charger controller

Variable power output regulator

Patents Applicationslast 30 patents

SYSTEMS AND METHODS FOR BALANCING BATTERY CELLS

BALANCING CELLS IN A BATTERY PACK

BATTERY MANAGEMENT SYSTEMS WITH VERTICAL BUS CIRCUITS

BATTERY MONITORING SYSTEM WITH A SWITCHING MODE TOPOLOGY

SYSTEM, METHOD AND APPARATUS TO AUTOMATICALLY DETECT A TYPE OF A VA...

SYSTEMS AND METHODS FOR BALANCING BATTERY CELLS

CHARGING SYSTEMS WITH CELL BALANCING FUNCTIONS

MONITORING BATTERY CELL VOLTAGE

MONITORING BATTERY CELL VOLTAGE

POWER MANAGEMENT TOPOLOGIES

Monitoring and control circuit for adjusting current

SYSTEM, METHOD AND APPARATUS TO AUTOMATICALLY DETECT A TYPE OF A VA...

CELL BALANCING SYSTEMS EMPLOYING TRANSFORMERS

Protection circuit with timer

BATTERY STATE MONITORING CIRCUITRY WITH LOW POWER CONSUMPTION DURIN...

BATTERY STATE MONITORING CIRCUITRY WITH LOW POWER CONSUMPTION DURIN...

SUPPLY TOPOLOGY WITH POWER LIMITING FEEDBACK LOOP

METHOD AND ELECTRONIC CIRCUIT FOR EFFICIENT BATTERY WAKE UP CHARGING

Capacity detector for detecting capacity of an energy storage unit

SELECTOR CIRCUIT FOR POWER MANAGEMENT IN MULTIPLE BATTERY SYSTEMS

SELECTOR CIRCUIT FOR POWER MANAGEMENT IN MULTIPLE BATTERY SYSTEMS

AUTO-RANGING THERMISTOR-BASED TEMPERATURE DETECTION SYSTEM

Systems and methods for cell balancing

Systems and methods for cell balancing

Charging Circuit for Parallel Charging in Multiple Battery Systems

POWER MANAGEMENT TOPOLOGIES

Serial powering of an light emitting diode string

MONITORING BATTERY CELL VOLTAGE

Monitoring battery cell voltage

Low Pass Filter