SEMTECH 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
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1794
 
  
 
H04B TRANSMISSION 16194
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 15432
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 1288
 
  
 
H03K PULSE TECHNIQUE 11120
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 9142
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 8151
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 8277
 
  
 
H04W WIRELESS COMMUNICATION NETWORKS 8180

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0069,549 CAPACITIVE PROXIMITY SENSOR IN A MOBILE DEVICE AND METHOD OF LIMITING RADIATION ABSORPTIONAug 09, 17Mar 08, 18[H03K, G06F]
2018/0024,224 METHOD AND SYSTEM OF TIMING AND LOCALIZING A RADIO SIGNALJun 16, 17Jan 25, 18[G01S]
2018/0019,194 Low Parasitic Surface Mount Circuit Over Wirebond ICJul 12, 17Jan 18, 18[H01L]
2017/0276,779 RANGING AND POSITIONING SYSTEMJun 13, 17Sep 28, 17[G01S]
2017/0236,790 Semiconductor Device on Leadframe with Integrated Passive ComponentFeb 12, 16Aug 17, 17[H01L]
2017/0133,323 Semiconductor Device and Method of Forming Inverted Pyramid Cavity Semiconductor PackageJan 25, 17May 11, 17[H01L]
2016/0124,574 Method and Device for Reducing Radio Frequency Interference of Proximity and Touch Detection in Mobile DevicesOct 31, 14May 05, 16[G06F]
2015/0338,958 MEASURING CIRCUIT FOR A CAPACITIVE TOUCH-SENSITIVE PANELMay 14, 15Nov 26, 15[G06F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9897770 Fibre stub device and method using butt coupling for receptacled photonic devicesDec 14, 16Feb 20, 18[G02B]
9899285 Semiconductor device and method of forming small Z semiconductor packageJul 30, 15Feb 20, 18[H01L]
9875988 Semiconductor device and method of forming DCALGA package using semiconductor die with micro pillarsOct 29, 15Jan 23, 18[H01L]
9864464 Method and device for reducing radio frequency interference of proximity and touch detection in mobile devicesOct 31, 14Jan 09, 18[H03K, G09G, G06F, H01Q]
9837375 Semiconductor device and method of forming insulating layers around semiconductor dieFeb 26, 16Dec 05, 17[H01L]
9800288 Communication device and method in the cellular bandMar 02, 16Oct 24, 17[H04B, H04W, G01S]
9794095 Signal concentrator deviceJun 30, 15Oct 17, 17[H04L, H04B, H04W]
9794748 Capacitive proximity sensor and mobile deviceAug 12, 15Oct 17, 17[H04M, H03K, G06F, H04W, G01B]
9766751 Touch panel calibration systemJan 26, 15Sep 19, 17[G06F, G01R]
9749012 Synchronized slotted power line communicationMar 14, 14Aug 29, 17[H04L, H04B, H04J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0145,535 CAPACITIVE SENSING INTERFACE FOR PROXIMITY DETECTIONAbandonedDec 04, 14May 28, 15[G01B]
2014/0097,887 REDUCTION OR ELIMINATION OF IRREGULAR VOLTAGE DISTRIBUTION IN A LADDER OF VOLTAGE ELEVATORSAbandonedMar 11, 13Apr 10, 14[G05F]
2013/0207,632 SYSTEM AND METHOD FOR IMPROVED LINE TRANSIENT RESPONSE IN CURRENT MODE BOOST CONVERTERSAbandonedFeb 13, 12Aug 15, 13[G05F]
8456383 Circuit and method for controlling a liquid crystal segment displayExpiredApr 27, 05Jun 04, 13[G09G]
8395331 Automatic dropout prevention in LED driversExpiredOct 05, 10Mar 12, 13[H05B]
8373402 Method of digital control of PWM converters achieving fast transient response and low steady-state jitteringExpiredSep 01, 09Feb 12, 13[G05F]
2013/0011,985 SHALLOW-TRENCH CMOS-COMPATIBLE SUPER JUNCTION DEVICE STRUCTURE FOR LOW AND MEDIUM VOLTAGE POWER MANAGEMENT APPLICATIONSAbandonedJul 16, 12Jan 10, 13[H01L]
8344703 Variable on-time control method for high light-load efficiency, small output voltage ripple, and audible-noise-free operationExpiredMar 02, 10Jan 01, 13[H02J]
2012/0273,882 SHALLOW-TRENCH CMOS-COMPATIBLE SUPER JUNCTION DEVICE STRUCTURE FOR LOW AND MEDIUM VOLTAGE POWER MANAGEMENT APPLICATIONSAbandonedApr 27, 11Nov 01, 12[H01L]
2011/0273,220 OPTIMAL MOSFET DRIVER CIRCUIT FOR REDUCING ELECTROMAGNETIC INTERFERENCE AND NOISEAbandonedMay 03, 11Nov 10, 11[H03K]
2011/0241,125 Power Semiconductor Device with Low Parasitic Metal and Package ResistanceAbandonedMar 31, 10Oct 06, 11[H01L]
7855864 Switched mode power supply method and apparatusExpiredMar 23, 06Dec 21, 10[G05F, H02H]
7843171 Method and apparatus for battery charging based on battery capacity and charging source constraintsExpiredJan 21, 08Nov 30, 10[H02J]
2010/0289,129 COPPER PLATE BONDING FOR HIGH PERFORMANCE SEMICONDUCTOR PACKAGINGAbandonedMay 13, 10Nov 18, 10[H01L]
7826542 Channelization filter communication systems and methods thereforExpiredDec 26, 06Nov 02, 10[H04B, H04K]
7714547 Method and apparatus for constant on-time switch mode convertersExpiredAug 08, 08May 11, 10[G05F]
7580030 Sensor for capacitive touch pad pointing deviceExpiredJun 10, 04Aug 25, 09[G06G]
7508182 Method and apparatus for improved current mode control for large conversion ratio synchronous buck converter with lossless current senseExpiredOct 26, 06Mar 24, 09[G05F]
2009/0074,407 HIGH-SPEED SERIALIZER, RELATED COMPONENTS, SYSTEMS AND METHODSAbandonedSep 12, 08Mar 19, 09[H04J]
2009/0066,308 Switched Mode Power Supply Having Variable Minimum Switching FrequencyAbandonedNov 19, 08Mar 12, 09[G05F]

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