Dongguan Amperex Electronics Technology Limited

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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 3151

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8440335 Explosion-proof device including battery cover with rupture film positioned in valve seat for use in power batteriesJan 18, 11May 14, 13[H01M]
8409736 Cap assembly with desirable safety performanceJun 21, 10Apr 02, 13[H01M]
8404372 Safety device for use in a lithium ion batteryJul 22, 10Mar 26, 13[H01M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0251,877 SECONDARY LITHIUM ION BATTERYAbandonedMar 28, 12Oct 04, 12[H01M]
2011/0052,948 Cell Cap Assembly with Desirable Safety PerformanceAbandonedSep 28, 09Mar 03, 11[H01M]
2010/0330,416 ELECTROLYTE INJECTION AND EXPLOSION PROOF DEVICE FOR USE IN POWER BATTERIESAbandonedJun 22, 10Dec 30, 10[H01M]
2010/0310,926 BATTERY CELL OF A CYLINDRICAL LITHIUM ION BATTERYAbandonedMay 28, 10Dec 09, 10[H01M]
2010/0291,422 CAP ASSEMBLY FOR USE IN LITHIUM ION BATTERIESAbandonedMay 11, 10Nov 18, 10[H01M]
2010/0285,370 ELECTRODE GROUP WITH DESIRABLE HEAT DISSIPATING PERFORMANCE FOR USE IN LITHIUM ION BATTERIESAbandonedMay 06, 10Nov 11, 10[H01M]
2010/0173,205 ELECTRODE GROUP FOR USE IN A LITHIUM ION BATTERYAbandonedDec 17, 09Jul 08, 10[H01M]
2010/0104,940 BATTERY PACK FOR LITHIUM ION BATTERY CELLSAbandonedOct 23, 09Apr 29, 10[H01M]

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