ALPHA AND OMEGA SEMICONDUCTOR INCORPORATED

Patent Owner

Watch Compare Add to Portfolio 1Status Updates

Stats

Details

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 53090
 
 
 
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 1689
 
 
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 1384
 
 
 
H03K PULSE TECHNIQUE 11118
 
 
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 1071
 
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 778
 
 
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 5101
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
 
 
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 258
 
 
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 160

Top Patents (by citation)

Upgrade to the Premium Level to View Top Patents for this Owner. Learn More

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0287,903 VARIABLE SNUBBER FOR MOSFET APPLICATIONJun 14, 17Oct 05, 17[H01L]
2017/0288,028 SELF-ALIGNED CONTACT FOR TRENCH POWER MOSFETJun 14, 17Oct 05, 17[H01L]
2017/0200,705 POWER DEVICE AND PREPARATION METHOD THEREOFJan 12, 16Jul 13, 17[H01L, H02M]
2017/0194,492 BOTTOM SOURCE NMOS TRIGGERED ZENER CLAMP FOR CONFIGURING AN ULTRA-LOW VOLTAGE TRANSIENT VOLTAGE SUPPRESSOR (TVS)Sep 25, 13Jul 06, 17[H01L]
2017/0179,107 TRANSIENT VOLTAGE SUPPRESSOR (TVS) WITH REDUCED BREAKDOWN VOLTAGEFeb 28, 17Jun 22, 17[H01L]
2017/0148,910 TERMINATION DESIGN FOR HIGH VOLTAGE DEVICEFeb 06, 17May 25, 17[H01L]
2017/0133,473 SPLIT-GATE TRENCH POWER MOSFET WITH PROTECTED SHIELD OXIDEJan 23, 17May 11, 17[H01L]
2017/0117,386 LATERAL SUPER JUNCTION DEVICE WITH HIGH SUBSTRATE-GATE BREAKDOWN AND BUILT-IN AVALANCHE CLAMP DIODEFeb 10, 13Apr 27, 17[H01L]
2017/0093,281 SYSTEM AND METHOD FOR EXTENDING THE MAXIMUM DUTY CYCLE OF A STEP-DOWN SWITCHING CONVERTER WITHOUT MAXIMUM DUTY CONTROLSep 24, 15Mar 30, 17[H02M]
2017/0069,740 TOPSIDE STRUCTURES FOR AN INSULATED GATE BIPOLAR TRANSISTOR (IGBT) DEVICE TO ACHIEVE IMPROVED DEVICE PERFOREMANCESMay 11, 13Mar 09, 17[H01L]

View all Publication..

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9806175 Power MOSFET device structure for high frequency applicationsFeb 23, 15Oct 31, 17[H01L]
9793153 Low cost and mask reduction method for high voltage devicesFeb 27, 15Oct 17, 17[H01L]
9793254 TVS structures for high surge and low capacitanceDec 09, 14Oct 17, 17[H01L]
9793256 Optimized configurations to integrate steering diodes in low capacitance transient voltage suppressor (TVS)Feb 20, 15Oct 17, 17[H01L]
9793346 Semiconductor device with threshold MOSFET for high voltage terminationJan 17, 17Oct 17, 17[H01L]
9793393 MOSFET device and fabricationSep 23, 13Oct 17, 17[H01L]
9786583 Power semiconductor package device having locking mechanism, and preparation method thereofMay 31, 16Oct 10, 17[H01L]
9768146 Battery protection package and process of making the sameDec 21, 16Sep 19, 17[H01L, H02J]
9754864 Semiconductor power device having single in-line lead module and method of making the sameJun 23, 16Sep 05, 17[H01L]
9755052 Process method and structure for high voltage MOSFETSAug 27, 13Sep 05, 17[H01L]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0218,008 POWER DEVICE WITH HIGH ASPECT RATIO TRENCH CONTACTS AND SUBMICRON PITCHES BETWEEN TRENCHESABANJan 23, 15Jul 28, 16[H01L]
2016/0099,310 SEMICONDUCTOR DEVICE INTEGRATING HIGH AND LOW VOLTAGE DEVICESABANDec 14, 15Apr 07, 16[H01L]
2015/0340,301 SUBSTRATELESS POWER DEVICE PACKAGESABANAug 04, 15Nov 26, 15[H01L]
2015/0255,930 INTERFACES WITH BUILT-IN TRANSIENT VOLTAGE SUPPRESSIONABANMar 04, 14Sep 10, 15[H01R, H02H, H05K]
2015/0076,676 POWER SEMICONDUCTOR DEVICE PACKAGE AND FABRICATION METHODABANSep 17, 13Mar 19, 15[H01L]
2013/0224,919 METHOD FOR MAKING GATE-OXIDE WITH STEP-GRADED THICKNESS IN TRENCHED DMOS DEVICE FOR REDUCED GATE-TO-DRAIN CAPACITANCEABANFeb 28, 12Aug 29, 13[H01L]
2013/0099,364 Top-side Cooled Semiconductor Package with Stacked Interconnection Plates and MethodABANDec 11, 12Apr 25, 13[H01L]
2013/0069,154 SEMICONDUCTOR CHIP INTEGRATING HIGH AND LOW VOLTAGE DEVICESABANSep 20, 11Mar 21, 13[H01L]
2013/0069,157 SEMICONDUCTOR CHIP INTEGRATING HIGH AND LOW VOLTAGE DEVICESABANJun 30, 12Mar 21, 13[H01L]
2013/0071,994 METHOD OF INTEGRATING HIGH VOLTAGE DEVICESABANJun 30, 12Mar 21, 13[H01L]
2012/0142,165 Method of Avoiding Resin Outflow from the Wafer Scribe line in WLCSPABANMar 10, 11Jun 07, 12[H01L]
2012/0126,317 ACCUFET WITH INTEGRATED CLAMPING CIRCUITABANNov 18, 10May 24, 12[H01L]
2012/0007,206 Structures and methods for forming schottky diodes on a p-substrate or a bottomanode schottky diodeABANAug 23, 11Jan 12, 12[H01L]
2011/0294,262 SEMICONDUCTOR PACKAGE PROCESS WITH IMPROVED DIE ATTACH METHOD FOR ULTRATHIN CHIPSABANMay 29, 10Dec 01, 11[H01L]
2011/0068,457 Semiconductor package with adhesive material pre-printed on the lead frame and chip, and its manufacturing methodABANSep 21, 09Mar 24, 11[H01L]
2011/0049,580 Hybrid Packaged Gate Controlled Semiconductor Switching Device Using GaN MESFETABANAug 28, 09Mar 03, 11[H01L]
2010/0327,314 Insulated Gate Bipolar Transistor (IGBT) Collector Formed with Ge/A1 and Production MethodABANJun 28, 09Dec 30, 10[H01L]
2010/0015,770 Double gate manufactured with locos techniquesABANSep 18, 09Jan 21, 10[H01L]

Top Inventors for This Owner

Upgrade to the Premium Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.