IXYS 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 117247
 
  
 
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 2577
 
  
 
H03K PULSE TECHNIQUE 10121
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 7104
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 694
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 6114
 
  
 
H03F AMPLIFIERS 677
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 572
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 3148

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0278,828 Die Stack Assembly Using An Edge Separation Structure For Connectivity Through A Die Of The StackJun 11, 17Sep 28, 17[H01L]
2017/0178,998 Discrete Power Transistor Package Having Solderless DBC To Leadframe AttachMar 07, 17Jun 22, 17[H01L]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9922864 Trench separation diffusion for high voltage deviceMar 07, 17Mar 20, 18[H01L]
9923324 AC line filter and AC-to-DC rectifier moduleJan 31, 15Mar 20, 18[H02M, H01R]
9924573 Multi-stage LED driver with current proportional to rectified input voltage and low distortionNov 30, 16Mar 20, 18[H05B]
9911838 IGBT die structure with auxiliary P well terminalOct 26, 12Mar 06, 18[H01L, H01F]
9912331 Gate driver that drives with a sequence of gate resistancesAug 25, 17Mar 06, 18[H03K, H01L]
9857823 Programmable temperature compensated voltage generatorMar 26, 16Jan 02, 18[H03K, H01L, H03M, G05F]
9842795 Lead and lead frame for power packageJul 01, 14Dec 12, 17[H01L]
9837529 Power MOSFET having improved manufacturability, low on-resistance and high breakdown voltageOct 03, 16Dec 05, 17[H01L]
9813055 Gate driver that drives with a sequence of gate resistancesApr 01, 16Nov 07, 17[H03K, H01L]
9800159 Buck converter having self-driven BJT synchronous rectifierNov 02, 15Oct 24, 17[H02J, H02M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0175,704 DISCRETE POWER TRANSISTOR PACKAGE HAVING SOLDERLESS DBC TO LEADFRAME ATTACHAbandonedJan 05, 12Jul 11, 13[H01L]
2009/0326,597 SOLAR CELL FOR IMPLANTABLE MEDICAL DEVICEAbandonedJun 23, 09Dec 31, 09[A61N]
2005/0133,081 Photo voltaic solar cells integrated with mosfetAbandonedNov 19, 04Jun 23, 05[H01L]
2004/0061,170 Reverse blocking IGBTAbandonedFeb 04, 03Apr 01, 04[H01L]
2003/0186,483 Electrically isolated power device packageAbandonedMar 19, 03Oct 02, 03[H01L]
6022068 Lightweight body for a dump truckExpiredMar 20, 98Feb 08, 00[B60P]
5191279 Current limiting method and apparatusExpiredMar 15, 90Mar 02, 93[G05F]
5159425 Insulated gate device with current mirror having bi-directional capabilityExpiredJul 31, 90Oct 27, 92[H03K, H01L]
5107074 Multi-lead hermetic power package with high packing densityExpiredApr 30, 90Apr 21, 92[H01L]
5063307 Insulated gate transistor devices with temperature and current sensorExpiredSep 20, 90Nov 05, 91[H01L, G05F]
5049961 Monolithic temperature sensing deviceExpiredJan 10, 89Sep 17, 91[H01L]
5034796 Simplified current sensing structure for MOS power devicesExpiredJun 07, 89Jul 23, 91[H01L]
5017508 Method of annealing fully-fabricated, radiation damaged semiconductor devicesExpiredJun 29, 89May 21, 91[H01L]
4972043 Multi-lead hermetic power package with high packing densityExpiredJan 30, 89Nov 20, 90[H01L]
4970576 Power semiconductor module and method for producing the moduleExpiredMay 19, 88Nov 13, 90[H05K]
4931844 High power transistor with voltage, current, power, resistance, and temperature sensing capabilityExpiredJul 22, 88Jun 05, 90[H01L]
4912619 Circuit for limiting inrush current during initial turn-on of a clock-derived power supplyExpiredJun 17, 88Mar 27, 90[H02M]
4890013 Circuit for sensing voltages beyond the supply voltage of the sensing circuitExpiredJun 17, 88Dec 26, 89[H03K]
4881106 DV/DT of power MOSFETSExpiredMay 23, 88Nov 14, 89[H01L]
4876517 Circuit for sensing FET or IGBT drain current over a wide dynamic rangeExpiredJun 17, 88Oct 24, 89[H03F]

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