SANKEN ELECTRIC CO., LTD.

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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 190193
 
  
 
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 16017
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 4457
 
  
 
H03K PULSE TECHNIQUE 28103
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 2091
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 1562
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 15105
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 10149
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 8439
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 777

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0047,503 IGNITION DEVICEAug 08, 17Feb 15, 18[F02P, H01F]
2017/0345,981 LIGHT-EMITTING DEVICEJul 26, 17Nov 30, 17[H01L]
2017/0323,960 EPITAXIAL WAFER, SEMICONDUCTOR DEVICE, METHOD FOR PRODUCING EPITAXIAL WAFER, AND METHOD FOR PRODUCING SEMICONDUCTOR DEVICENov 06, 15Nov 09, 17[H01L, C30B]
2017/0207,714 CURRENT RESONANCE TYPE POWER SUPPLY DEVICEMar 30, 17Jul 20, 17[H02M]
2016/0245,255 IGNITION DEVICEDec 17, 15Aug 25, 16[F02N]
2016/0085,511 ARITHMETIC PROCESSING METHOD AND ARITHMETIC PROCESSORJun 23, 15Mar 24, 16[G06F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9899343 High voltage tolerant bonding pad structure for trench-based semiconductor devicesMar 09, 16Feb 20, 18[H01L]
9899871 Islanded operating systemFeb 25, 15Feb 20, 18[H02J]
9876101 Semiconductor substrate and semiconductor deviceMar 12, 15Jan 23, 18[H01L]
9871455 Current resonance type power supply deviceMar 30, 17Jan 16, 18[H02M]
9863391 Ignition deviceDec 17, 15Jan 09, 18[F02N, F02P]
9851947 Arithmetic processing method and arithmetic processor having improved fixed-point errorJun 23, 15Dec 26, 17[G06F]
9847709 Switched-mode power supply deviceSep 23, 16Dec 19, 17[H02M]
9825027 Semiconductor deviceJan 22, 17Nov 21, 17[H01L]
9818696 Semiconductor deviceDec 26, 16Nov 14, 17[H01L]
9818828 Termination trench structures for high-voltage split-gate MOS devicesMar 09, 16Nov 14, 17[H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0133,217 SEMICONDUCTOR SUBSTRATE AND SEMICONDUCTOR DEVICEAbandonedMar 05, 15May 11, 17[H01L]
2017/0104,064 Nitride semiconductor device with asymmetric electrode tipsAbandonedOct 09, 15Apr 13, 17[H01L]
2017/0092,640 Temperature Compensation of Fabricated SemiconductorsAbandonedSep 25, 15Mar 30, 17[H01L]
2016/0372,558 High Voltage Vertical FPMOS FetsAbandonedJun 18, 15Dec 22, 16[H01L]
2016/0276,923 SNUBBER CIRCUITAbandonedDec 16, 15Sep 22, 16[H02M]
2016/0247,879 TRENCH SEMICONDUCTOR DEVICE LAYOUT CONFIGURATIONSAbandonedFeb 23, 16Aug 25, 16[H01L]
2016/0087,529 Bootstrap CircuitAbandonedSep 19, 14Mar 24, 16[H02M]
2015/0340,896 POWER GENERATION CONTROL DEVICEAbandonedApr 23, 15Nov 26, 15[H02J, H05B]
2015/0279,983 SEMICONDUCTOR DEVICEAbandonedMar 20, 15Oct 01, 15[H01L]
2015/0270,334 SEMICONDUCTOR DEVICEAbandonedMar 13, 15Sep 24, 15[H01L]
9136369 Semiconductor deviceWithdrawnSep 25, 14Sep 15, 15[H01L]
2015/0139,261 SEMICONDUCTOR DEVICE HAVING A SEMICONDUCTOR DBR LAYERAbandonedNov 19, 14May 21, 15[H01S]
2015/0091,021 Method of Manufacturing Semiconductor Device and the Semiconductor DeviceAbandonedSep 25, 14Apr 02, 15[H01L]
2015/0084,163 EPITAXIAL SUBSTRATE, SEMICONDUCTOR DEVICE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICEAbandonedApr 19, 13Mar 26, 15[H01L]
2015/0070,942 DC-DC CONVERTERAbandonedJan 24, 13Mar 12, 15[H02M]
2014/0291,797 Semiconductor DeviceAbandonedMar 19, 14Oct 02, 14[H01L]
2014/0210,047 SEMICONDUCTOR DEVICEAbandonedMay 25, 12Jul 31, 14[H01L]
2014/0184,095 DC Power-Supply ApparatusAbandonedDec 27, 13Jul 03, 14[H02M, H05B]
8766604 Switching power supply apparatusWithdrawnOct 10, 11Jul 01, 14[G05F]
2014/0117,972 CURRENT DETECTION CIRCUITAbandonedSep 24, 13May 01, 14[G01R]

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