NEC ENERGY SOLUTIONS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 8112
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 159
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 199
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 1153
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 176
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 1101
 
  
 
H03K PULSE TECHNIQUE 1130

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0359,364 UTILIZING A LOAD FOR OPTIMIZING ENERGY STORAGE SIZE AND OPERATION IN POWER SYSTEMS REGULATION APPLICATIONSJun 03, 16Dec 08, 16[H02J, G05B, G05F]
2016/0172,653 BATTERY CONTAINMENTDec 15, 14Jun 16, 16[H01M]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9661757 Connecting power leads to circuit boardJan 29, 13May 23, 17[H01M, H01R, H05K]
9608458 Buck pre-charger for series-connected battery modulesMar 18, 15Mar 28, 17[H02J]
9599651 Systems and methods of detecting ground faults in energy storage and/or generation systems that employ DC/AC power conversion systemsFeb 19, 15Mar 21, 17[G01R]
9595949 Control of a clamp circuit during transient conditionsMay 27, 15Mar 14, 17[H03K, H02M, H02H]
9093847 Temperature controlled parallel balancingFeb 14, 11Jul 28, 15[H02J]
8935111 Energy storage based countermeasure for a delayed voltage recoverySep 28, 10Jan 13, 15[H02J, G01R, G01D]
8593015 Battery balancing systemOct 28, 10Nov 26, 13[H02J]
8581547 Method for detecting cell state-of-charge and state-of-discharge divergence of a series string of batteries or capacitorsMar 31, 09Nov 12, 13[H02J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0162,268 SERIAL PROTOCOL COMMUNICATIONS BETWEEN A COMPUTERIZED USER DEVICE AND A BATTERY MODULEAbandonedDec 08, 14Jun 09, 16[H04L, G06F]
2013/0116,844 GRID LOAD SYNCHRONIZATION DEVICE AND METHODAbandonedDec 03, 10May 09, 13[H02J]

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