SANSHA ELECTRIC MANUFACTURING CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 3261
 
  
 
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 2973
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 9147
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 5106
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 4358
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 346
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 381
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 374
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 3117
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 298

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0301,594 SEMICONDUCTOR MODULESep 16, 15Oct 19, 17[H01L]
2016/0166,037 HAIR CARE DEVICEDec 08, 15Jun 16, 16[A45D]
2015/0285,255 FAN CONTROL UNIT AND POWER CONDITIONEROct 30, 12Oct 08, 15[F04D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9922893 Semiconductor moduleSep 16, 15Mar 20, 18[H01L]
9863428 Fan control unit and power conditionerOct 30, 12Jan 09, 18[H02M, F04D, H05K]
9013115 Discharge lamp igniting apparatusSep 23, 13Apr 21, 15[H05B]
9013159 Parallel-operating power supply systemSep 04, 13Apr 21, 15[H02M]
8872381 Utility interconnection and inverter deviceSep 18, 08Oct 28, 14[H02J]
8873259 DC-DC converter including regeneration snubber circuitFeb 25, 09Oct 28, 14[H02M, H02H]
8860189 PIN diodeFeb 17, 10Oct 14, 14[H01L]
8664566 Arc welding apparatus and methodJun 07, 06Mar 04, 14[B23K]
8564105 Pin diodeFeb 16, 10Oct 22, 13[H01L]
8400799 Inverter circuit with controller for controlling switching elements based on a magnitude of output powerFeb 06, 09Mar 19, 13[H02M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0223,058 NON-CONSUMABLE ELECTRODE TYPE ARC WELDING APPARATUSAbandonedNov 04, 10Sep 06, 12[B23K]
2012/0087,163 POWER SUPPLY APPARATUSAbandonedDec 21, 10Apr 12, 12[H02M]
2010/0319,899 HEAT SINK AND METHOD OF MANUFACTURE THEREOFAbandonedJun 08, 10Dec 23, 10[F28F, B21D]
2010/0281,905 DehumidifierAbandonedMar 10, 08Nov 11, 10[F25B]
2009/0303,763 PHOTOVOLTAIC INVERTERAbandonedJan 24, 07Dec 10, 09[H02M]
2009/0190,378 POWER SUPPLY DEVICE OUTPUTTING PULSED ELECTRICAL CURRENTAbandonedJan 29, 08Jul 30, 09[H02M]
2009/0133,735 SOLAR PHOTOVOLTAIC POWER GENERATION ARTIFICIAL-POWER GENERATING METHOD AND SOLAR PHOTOVOLTAIC POWER GENERATION SIMULATOR POWER-SUPPLY APPARATUSAbandonedMar 20, 07May 28, 09[H01L]
2009/0129,122 POWER SUPPLY DEVICE FOR ARC APPARATUSAbandonedApr 07, 08May 21, 09[H02M]
2008/0315,781 DISCHARGE LAMP LIGHT-UP CONTROL APPARATUS AND POWER CIRCUITAbandonedJun 18, 08Dec 25, 08[H05B]
2008/0302,410 SOLAR CELL MODULE CONNECTOR AND METHOD OF PRODUCING SOLAR CELL MODULE PANELAbandonedJul 09, 08Dec 11, 08[H01L]
2005/0268,958 Solar cell module connector and method of producing solar cell module panelAbandonedMay 10, 05Dec 08, 05[H01L, H02N]
2004/0026,764 Low-loss bipolar transistor and method of manufacturing the sameAbandonedAug 06, 02Feb 12, 04[H01L]
2003/0141,565 DiodeAbandonedJan 28, 02Jul 31, 03[H01L]
2002/0000,572 Soft recovery diodeAbandonedJun 06, 01Jan 03, 02[H01L]
D377335 Portable power supply unit with AC-DC converterExpiredJun 01, 95Jan 14, 97[]
4421152 Apparatus for precision castingExpiredMar 02, 81Dec 20, 83[B22D]
4354831 Crucible for precision casting deviceExpiredFeb 24, 81Oct 19, 82[F27B]
4214356 Artificial porcelain tooth manufacturingExpiredFeb 02, 78Jul 29, 80[B21F]

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