POWERCHIP SEMICONDUCTOR CORP.

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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 133233
 
  
 
G11C STATIC STORES 19132
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 17430
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 652
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 5154
 
  
 
B01D SEPARATION 4130
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 363
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 394
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 3195
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 299

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7951668 Process for fabricating crown capacitors of dram and capacitor structureJan 14, 09May 31, 11[H01L]
7915660 Junction-free NAND flash memory and fabricating method thereofMay 19, 09Mar 29, 11[H01L]
7903470 Integrated circuits and discharge circuitsDec 15, 08Mar 08, 11[G11C]
7855378 Phase change memory devices and methods for fabricating the sameAug 08, 07Dec 21, 10[H01L]
7612433 Semiconductor device having self-aligned contactSep 21, 05Nov 03, 09[H01L]
7575941 Method of manufacturing photodiodeJul 30, 04Aug 18, 09[H01L]
7528438 Non-volatile memory including assist gateAug 26, 05May 05, 09[H01L]
7518912 Multi-level non-volatile memoryAug 25, 06Apr 14, 09[G11C]
7514311 Method of manufacturing a SONOS memoryMar 02, 07Apr 07, 09[H01L]
7491607 Method of fabricating flash memory cellMay 17, 07Feb 17, 09[H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0068,147 PHASE CHANGE MEMORY DEVICE AND FABRICATION THEREOFAbandonedNov 23, 11Mar 22, 12[H01L]
2012/0070,786 METHOD FOR MONITORING PHOTOLITHOGRAPHY PROCESS AND MONITOR MARKAbandonedNov 23, 11Mar 22, 12[G03F]
2011/0312,150 PHASE CHANGE MEMORY DEVICES AND METHODS FOR FABRICATING THE SAMEAbandonedAug 26, 11Dec 22, 11[H01L]
7875982 Semiconductor device for preventing voids in the contact region and method of forming the sameExpiredAug 08, 08Jan 25, 11[H01L]
2010/0252,875 STRUCTURE AND FABRICATING PROCESS OF NON-VOLATILE MEMORYAbandonedApr 03, 09Oct 07, 10[H01L]
2010/0213,432 PHASE CHANGE MEMORY DEVICE AND FABRICATION THEREOFAbandonedMay 19, 09Aug 26, 10[H01L]
2010/0133,495 PHASE CHANGE MEMORY DEVICES AND METHODS FOR FABRICATING THE SAMEAbandonedSep 02, 09Jun 03, 10[H01L]
2010/0097,855 Non-volatilization semiconductor memory and the write-in method thereofAbandonedOct 20, 09Apr 22, 10[G11C]
2010/0093,142 METHOD OF FABRICATING DEVICEAbandonedOct 09, 08Apr 15, 10[H01L]
2010/0081,273 METHOD FOR FABRICATING CONDUCTIVE PATTERNAbandonedSep 30, 08Apr 01, 10[H01L]
2010/0060,871 OFF-AXIS LIGHT SOURCE, LIGHT SCREEN PLATE, AND METHOD OF DEFINING DIFFERENT TYPES OF PATTERNS WITH SINGLE EXPOSUREAbandonedSep 11, 08Mar 11, 10[G03B]
2010/0052,036 MEMORY DEVICE AND MANUFACTURING METHOD THEREOF, AND SEMICONDUCTOR DEVICEAbandonedAug 20, 09Mar 04, 10[H01L]
2010/0015,534 METHOD FOR MONITORING PHOTOLITHOGRAPHY PROCESS AND MONITOR MARKAbandonedJul 17, 08Jan 21, 10[G03F]
2009/0315,096 NON-VOLATILE MEMORY AND METHOD OF MANUFACTURING THE SAMEAbandonedApr 23, 08Dec 24, 09[H01L]
2009/0311,844 ALIGNMENT MARK AND METHOD FOR FABRICATING THE SAME AND ALIGNMENT METHOD OF SEMICONDUCTORAbandonedJun 17, 08Dec 17, 09[H01L]
2009/0288,867 CIRCUIT STRUCTURE AND PHOTOMASK FOR DEFINING THE SAMEAbandonedApr 15, 08Nov 26, 09[G03F, H05K]
2009/0273,391 FLASH MEMORIES AND REGULATED VOLTAGE GENERATORS THEREOFAbandonedMay 01, 09Nov 05, 09[G05F]
2009/0238,002 NAND TYPE NON-VOLATILE MEMORY AND OPERATING METHOD THEREOFAbandonedMar 24, 08Sep 24, 09[G11C]
2009/0186,459 MANUFACTURING METHOD OF NON-VOLATILE MEMORYAbandonedDec 22, 08Jul 23, 09[H01L]
2009/0161,406 NON-VOLATILE MEMORY AND METHOD FOR FABRICATING THE SAMEAbandonedMar 25, 08Jun 25, 09[H01L, G11C]

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