HITACHI MAXELL ENERGY, 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 18136
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
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
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284
 
  
 
H04W WIRELESS COMMUNICATION NETWORKS 1187

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9647984 System and method for securely using multiple subscriber profiles with a security component and a mobile telecommunications deviceAug 04, 11May 09, 17[H04L, H04W]
7754373 Sealed prismatic batteryOct 30, 06Jul 13, 10[H01M]
7732090 Sealed rectangular batterySep 29, 04Jun 08, 10[H01M, B65D]
7625673 Electrode material for electrochemical element and method for production thereof, and electrochemical elementSep 06, 01Dec 01, 09[H01M]
D507778 Pattern for planar battery electrodes baseJun 25, 04Jul 26, 05[1302]
6143449 Non-aqueous secondary cellJul 28, 95Nov 07, 00[H01M]
6051333 Cell comprising spirally wound electrodesNov 08, 96Apr 18, 00[H01M]
5912092 Battery packageNov 07, 97Jun 15, 99[H01M]
5902698 Ion conductive material and electrochemical device comprising the sameFeb 29, 96May 11, 99[H01M]
5691084 Organic electrolytic solution secondary cellNov 17, 95Nov 25, 97[H01M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0093,761 LITHIUM SECONDARY BATTERYAbandonedNov 01, 12Apr 03, 14[H01M]
2013/0078,509 NON-AQUEOUS SECONDARY BATTERYAbandonedNov 19, 12Mar 28, 13[H01M]
2013/0071,758 NONAQUEOUS ELECTROLYTE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICEAbandonedSep 13, 12Mar 21, 13[H01M]
2012/0301,784 NONAQUEOUS SECONDARY BATTERYAbandonedMay 23, 12Nov 29, 12[B82Y, H01M]
2012/0228,957 WIRELESS POWER TRANSFER APPARATUSAbandonedMar 06, 12Sep 13, 12[H02J]
2012/0177,980 LITHIUM SECONDARY BATTERYAbandonedAug 25, 11Jul 12, 12[C08F, H01M]
8197954 Battery packExpiredOct 23, 08Jun 12, 12[H01M]
2012/0091,403 LITHIUM ION RECHARGEABLE BATTERIES & THE ADDITIVE FOR LITHIUM ION RECHARGEABLE BATTERIES WHICH PREVENTS INCREASE OF THE VISCOSITYAbandonedAug 25, 11Apr 19, 12[C08F, H01B, C08B]
8153298 Positive electrode for alkaline battery and alkaline battery using the sameExpiredAug 07, 08Apr 10, 12[H01M]
8080333 Battery packExpiredSep 26, 08Dec 20, 11[H01M]
2011/0269,018 ELECTRODE FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE USING THE SAMEAbandonedJun 17, 10Nov 03, 11[H01M, H01B, H01G]
2011/0256,437 LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERYAbandonedMar 07, 11Oct 20, 11[H01M]
8021793 Hydrogen producing apparatus and fuel cell system using the sameExpiredOct 30, 06Sep 20, 11[C01B, H01M]
7998637 Liquid fuel cell with a planer electrolyte layerExpiredFeb 14, 03Aug 16, 11[H01M]
2011/0163,938 CIRCUIT ELEMENTAbandonedNov 05, 09Jul 07, 11[H01Q]
2011/0159,385 HYDROGEN GENERATOR AND FUEL CELL SYSTEM INCLUDING THE SAMEAbandonedAug 31, 09Jun 30, 11[H01M, B01J, G05D]
2011/0111,280 LITHIUM-ION SECONDARY BATTERYAbandonedJun 25, 09May 12, 11[H01M]
7883805 Hydrogen generating material, hydrogen generator and fuel cellExpiredDec 28, 05Feb 08, 11[C09K, C01B, H01M]
2011/0008,216 HYDROGEN GENERATORAbandonedFeb 27, 09Jan 13, 11[B01J]
2010/0266,877 BATTERY PACK AND BATTERY PACK MANUFACTURING METHODAbandonedApr 20, 10Oct 21, 10[H01M]

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