PANASONIC EV ENERGY CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 35119
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 3387
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 10196
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 6153
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 4107
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 291
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 275
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 192

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8809743 Heater with temperature detecting device, battery structure with heater, and heater unitFeb 11, 08Aug 19, 14[G01K, H05B, H01M, B32B]
8802260 Separation method of secondary batteryMay 24, 10Aug 12, 14[H01M, G01N]
8795862 Battery packAug 21, 08Aug 05, 14[H01M]
8785014 Nickel-metal hydride secondary battery module and secondary battery module manufacturing methodJun 11, 08Jul 22, 14[H01M]
8741459 State judging device and control device of secondary batteryMar 25, 10Jun 03, 14[H02J, H01M]
8742723 Battery pack assembled with recycled batteries and method of assemblyJun 12, 08Jun 03, 14[H02J]
8701810 Battery packDec 19, 06Apr 22, 14[B60K]
8674702 Apparatus for detecting a state of secondary batterySep 16, 08Mar 18, 14[H02J, G01N]
8555695 Current collector shape adjusting deviceJun 08, 12Oct 15, 13[B21D]
8521458 Apparatus and method for detecting charged state of electric storage deviceFeb 13, 08Aug 27, 13[H02J, G01R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7842413 Rechargeable battery to reduce internal resistance and method of manufacturing the sameExpiredOct 26, 06Nov 30, 10[H01M]
7843706 Circuit controller, inrush current limiting circuit, inrush current limiting circuit with battery, inverter, and inverter with batteryExpiredDec 17, 07Nov 30, 10[H02M]
7573238 Voltage detection device and electric vehicle including voltage detection deviceExpiredAug 08, 06Aug 11, 09[H02J, G01N]
7554040 Printed circuit board and soldering method and apparatusExpiredJul 28, 06Jun 30, 09[H05K]
2009/0104,525 Secondary battery and manufacturing method thereofAbandonedOct 14, 08Apr 23, 09[H01M, B23K]
2008/0179,312 HEATER CONTROLLERAbandonedDec 04, 07Jul 31, 08[H05B]
7404459 Electric vehicleExpiredMay 12, 05Jul 29, 08[B60K]
2007/0212,598 Apparatus for controlling temperature of secondary battery, vehicle battery pack, and computer-readable medium storing program for controlling temperature of secondary batteryAbandonedMar 05, 07Sep 13, 07[H01M, G05D]
7242196 Power supply controller apparatus for detecting welding of contactorsExpiredSep 28, 05Jul 10, 07[G01R]
2007/0141,451 Housing structure for battery packAbandonedDec 20, 06Jun 21, 07[H01M, B60R]
2007/0092,791 RECHARGEABLE BATTERY, METHOD FOR MANUFACTURING RECHARGEABLE BATTERY, AND COLLECTOR PLATE FOR RECHARGEABLE BATTERYAbandonedOct 19, 06Apr 26, 07[H01M]
6919726 Leakage detection apparatus and motor carExpiredDec 02, 02Jul 19, 05[G01R]
6841291 Method and apparatus for detecting abnormality in battery pack systemExpiredNov 01, 02Jan 11, 05[H01M]
6828798 Method for inspecting relay contacts for contact weld in battery power source deviceExpiredDec 30, 02Dec 07, 04[G01R]
6762590 Battery power source device and current detection method thereforExpiredNov 26, 02Jul 13, 04[H02J]

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