NEC TOKIN TOCHIGI, 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 20134
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 3117
 
  
 
B67D DISPENSING, DELIVERING, OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR 141

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7150936 Sealed battery and method for manufacturing sealed batteryMay 19, 03Dec 19, 06[H01M]
7029790 Closed type batteryDec 03, 02Apr 18, 06[H01M]
6977125 Closed type batteryNov 13, 02Dec 20, 05[H01M]
6930467 Multi-series connection type battery cell pack for reducing self-consumption over a long period of timeNov 21, 02Aug 16, 05[H01M]
6864014 Connecting structure of conductive connecting tab of batteryJan 15, 02Mar 08, 05[H01M]
6767667 Sealed batteryNov 27, 00Jul 27, 04[H01M]
6706440 Apparatus and method for injecting liquid into containerOct 30, 00Mar 16, 04[H01M, B67D]
6664000 Battery packSep 27, 00Dec 16, 03[H01M]
6608468 Battery pack compensating a cell voltage, a charge and discharge current and temperature data, by using a built-in CPU for the battery packSep 21, 01Aug 19, 03[H02J]
6593026 Sealed battery and method for manufacturing sealed batteryOct 25, 00Jul 15, 03[H01M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0168,192 Battery packAbandonedJan 28, 05Aug 04, 05[H02J]
2003/0134,193 Closed type batteryAbandonedJan 03, 03Jul 17, 03[H01M]
2003/0118,903 Closed type batteryAbandonedDec 24, 02Jun 26, 03[H01M]
2003/0077,511 Closed type batteryAbandonedOct 01, 02Apr 24, 03[H01M]
2003/0072,992 Battery packAbandonedOct 15, 02Apr 17, 03[H01M]
2003/0072,994 Battery packAbandonedOct 15, 02Apr 17, 03[H01M]
2002/0071,985 Sealed batteryAbandonedDec 07, 01Jun 13, 02[H01M]
2002/0009,634 Sealed batteryAbandonedApr 09, 01Jan 24, 02[H01M]
2001/0033,962 Sealed battery and method for manufacturing the sameAbandonedApr 19, 01Oct 25, 01[H01M]

Top Inventors for This Owner

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