Micrel, Inc.

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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 105258
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 7435
 
  
 
H03K PULSE TECHNIQUE 3596
 
  
 
H04B TRANSMISSION 25185
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 21426
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 1862
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 17142
 
  
 
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 1785
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 14271
 
  
 
H03B GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS 1152

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9823279 Current sensing using a metal-on-passivation layer on an integrated circuit dieAug 04, 15Nov 21, 17[H01L, G01R]
9780204 DMOS transistor with trench schottky diodeNov 16, 16Oct 03, 17[H01L, H02M]
9530880 DMOS transistor with trench schottky diodeMar 03, 15Dec 27, 16[H01L]
9490769 Vertical differential resonatorOct 14, 14Nov 08, 16[H03B, H03H]
9471076 High bandwidth PSRR power supply regulatorMay 05, 14Oct 18, 16[G05F]
9467043 Buck DC-DC converter with fixed frequencyMar 26, 14Oct 11, 16[H02M]
9467051 Switching regulator using adaptive slope compensation with DC correctionDec 01, 14Oct 11, 16[H02M]
9455626 Hysteretic buck DC-DC converterMar 11, 14Sep 27, 16[H02M]
9431993 Temperature compensated resonator with a pair of spaced apart internal dielectric layersNov 01, 11Aug 30, 16[H03H]
9335772 Last gasp hold-up circuit using adaptive constant on time controlJan 12, 15May 10, 16[H02J, H02M, G05F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0070,783 CONSTANT VOLTAGE SUPPLY CONSTRUCTED USING A CONSTANT CURRENT BOOST CONTROLLERAbandonedMar 28, 13Mar 13, 14[H02M]
2013/0200,815 ENERGY STORAGE MEANS FOR LAST GASP / IMPEDANCE LIMITED APPLICATIONSAbandonedFeb 06, 12Aug 08, 13[H05B, G05F]
2011/0140,678 Current limit recovery circuitAbandonedDec 14, 09Jun 16, 11[G05F]
2010/0296,519 Ethernet Physical Layer RepeaterAbandonedMay 21, 09Nov 25, 10[H04L, G06F, H04J]
2010/0060,078 Dual Input LDO Regulator With Controlled Transition Between Power SuppliesAbandonedSep 08, 08Mar 11, 10[H02M]
2010/0032,753 MOS Transistor Including Extended NLDD Source-Drain Regions For Improved RuggednessAbandonedOct 13, 09Feb 11, 10[H01L]
2010/0020,809 True Ring Networks Using Tag VLAN FilteringAbandonedJul 25, 08Jan 28, 10[H04L]
2010/0007,363 SYSTEM AND METHOD FOR DETERMINING IN-LINE INTERFACIAL OXIDE CONTACT RESISTANCEAbandonedDec 03, 07Jan 14, 10[G01R]
2010/0008,378 Ethernet Controller Implementing a Performance and Responsiveness Driven Interrupt SchemeAbandonedJul 08, 08Jan 14, 10[H04L]
2010/0011,140 Ethernet Controller Using Same Host Bus Timing for All Data Object AccessAbandonedJul 08, 08Jan 14, 10[G06F]
2009/0302,378 METHOD AND SYSTEM FOR VERTICAL DMOS WITH SLOTSAbandonedAug 17, 09Dec 10, 09[H01L]
2009/0283,843 NMOS Transistor Including Extended NLDD-Drain For Improved RuggednessAbandonedMay 13, 08Nov 19, 09[H01L]
2009/0245,120 Ethernet Physical Layer Transceiver with Auto-Ranging FunctionAbandonedApr 01, 08Oct 01, 09[G01R]
2009/0206,886 Line Driver With Tuned On-Chip TerminationAbandonedFeb 20, 08Aug 20, 09[H03K]
2009/0189,450 DUAL-CHANNEL LOAD SWITCH CIRCUITS, DEVICES INCLUDING A DUAL-CHANNEL LOAD SWITCH CIRCUIT AND METHODS OF SWITCHING LOAD CHANNELSAbandonedJan 30, 08Jul 30, 09[H02J]
2009/0184,655 POWER MANAGEMENT SYSTEM FOR LIGHT EMITTING DIODESAbandonedJan 22, 08Jul 23, 09[H05B]
2009/0159,561 INTEGRATED DEVICE TECHNOLOGY USING A BURIED POWER BUSS FOR MAJOR DEVICE AND CIRCUIT ADVANTAGESAbandonedFeb 07, 07Jun 25, 09[B44C]
2009/0128,110 Compact Frequency Compensation Circuit And Method For A Switching Regulator Using External ZeroAbandonedNov 16, 07May 21, 09[G05F]
2009/0130,813 Method and System to Provide a Polysilicon Capacitor with Improved Oxide IntegrityAbandonedNov 20, 07May 21, 09[H01L]
2009/0026,578 Vertical NPN Transistor Fabricated in a CMOS Process With Improved Electrical CharacteristicsAbandonedJul 27, 07Jan 29, 09[H01L]

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