EFFICIENT POWER CONVERSION CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 23339
 
  
 
H03K PULSE TECHNIQUE 3128
 
  
 
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 2100
 
  
 
H03F AMPLIFIERS 281
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H03G CONTROL OF AMPLIFICATION 151

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9887677 High efficiency voltage mode class D topologySep 09, 14Feb 06, 18[H02J, H03F]
9837438 GaN transistors with polysilicon layers used for creating additional componentsDec 04, 15Dec 05, 17[H01L]
9748347 Gate with self-aligned ledged for enhancement mode GaN transistorsJul 30, 14Aug 29, 17[H01L]
9667245 bootstrap supplyOct 07, 15May 30, 17[H03K]
9634555 Method for operating a non-isolated switching converter having synchronous rectification capability suitable for power factor correction applicationsMay 30, 13Apr 25, 17[H02M]
9607876 Semiconductor devices with back surface isolationDec 14, 11Mar 28, 17[H01L]
9583480 Integrated circuit with matching threshold voltages and method for making sameDec 03, 15Feb 28, 17[H01L]
9484862 Device and method for bias control of class A power RF amplifierSep 04, 14Nov 01, 16[H03F, H03G]
9331061 Parallel connection methods for high performance transistorsAug 28, 12May 03, 16[H03K, H01L]
9331191 GaN device with reduced output capacitance and process for making sameJul 29, 14May 03, 16[H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0248,283 VIA STRUCTURE OF A SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAMEAbandonedApr 06, 11Oct 13, 11[H01L]

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