MEIDENSHA CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR2047
 
  
 
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 1884
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 1869
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 1579
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 1452
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 1343
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 844
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 8130
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 899
 
  
 
C22C ALLOYS 765

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0005,784 VACUUM CIRCUIT BREAKERDec 25, 15Jan 04, 18[H01H]
2017/0232,400 CERAMIC FILTERNov 28, 14Aug 17, 17[B01D]
2017/0208,712 FLAT CABLE FOR ACTUATORSJun 17, 15Jul 20, 17[H01R, H01B, H05K]
2016/0349,717 PERIODIC EXTERNAL DISTURBANCE SUPPRESSION CONTROL DEVICEJan 30, 15Dec 01, 16[H02J, G05B]
2016/0332,231 ELECTRODE MATERIAL AND METHOD FOR PRODUCING ELECTRODE MATERIALJan 05, 15Nov 17, 16[B22F, H01H, C22C]
2016/0313,213 VEHICLE RESTRAINING DEVICEDec 04, 14Oct 27, 16[G01M]
2016/0313,214 VEHICLE RESTRAINING DEVICEDec 04, 14Oct 27, 16[G01M]
2016/0141,870 MULTILEVEL POWER CONVERTORMay 23, 14May 19, 16[H02J, H02M]
2016/0133,419 SEALED RELAYMay 28, 14May 12, 16[H01H]
2016/0105,123 VEHICLE-MOUNTED POWER CONVERSION DEVICEApr 25, 14Apr 14, 16[H02M, H05K]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9923369 Multilevel power convertorMay 23, 14Mar 20, 18[H02J, H02M]
9924620 Flat cable for actuatorsJun 17, 15Mar 20, 18[H01R, H01B, H05K]
RE46753 Transmission testing deviceSep 13, 16Mar 13, 18[G01M, G01L, G01N]
9841353 Engine test apparatus including wheeled carriage for carrying engineMay 21, 13Dec 12, 17[G01M]
9812943 Resonant load power conversion device and time division operation method for resonant load power conversion deviceJun 17, 15Nov 07, 17[H02M]
9812991 Insulating structure for power conversion deviceNov 13, 14Nov 07, 17[H03K, H02M, H02P]
9777607 Lubricating oil passage structure for bearingNov 25, 13Oct 03, 17[H02K, F01M, F16C]
9778140 Engine testing apparatus, and engine testing methodMar 13, 12Oct 03, 17[G01M, G01L]
9769289 TCP communication schemeOct 01, 13Sep 19, 17[H04L]
9760247 Operation display device of chassis dynamometer systemMar 02, 12Sep 12, 17[G01M, G01L, G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0069,860 MEMBRANE SEPARATION DEVICEAbandonedAug 23, 13Mar 13, 14[C02F, B01D]
2014/0014,443 HOISTAbandonedOct 13, 11Jan 16, 14[B66B]
2013/0306,533 LIQUID WASTE TREATMENT DEVICE AND LIQUID WASTE TREATMENT METHODAbandonedNov 25, 11Nov 21, 13[C02F]
2013/0012,747 METHOD OF MANUFACTURE OF AROMATIC COMPOUNDAbandonedFeb 10, 11Jan 10, 13[C07C]
2013/0005,858 INSULATING POLYMER MATERIAL COMPOSITIONAbandonedMar 09, 11Jan 03, 13[C08L, C08K]
2012/0128,413 VEHICLE SECURING STRUCTUREAbandonedJul 23, 10May 24, 12[F16B]
2012/0097,381 HEAT SINKAbandonedJun 21, 10Apr 26, 12[F28F]
2012/0022,309 METHOD FOR PRODUCING AROMATIC HYDROCARBONAbandonedJan 15, 10Jan 26, 12[C07C]
2011/0275,873 METHOD FOR PRODUCING AROMATIC HYDROCARBONAbandonedJan 15, 10Nov 10, 11[C07C]
2011/0220,613 ELECTRODE STRUCTURE FOR VACUUM CIRCUIT BREAKERAbandonedOct 02, 09Sep 15, 11[H01H]
2011/0172,478 CATALYST FOR AROMATIZATION OF LOWER HYDROCARBON, AND PROCESS FOR PRODUCTION OF AROMATIC COMPOUNDAbandonedJun 18, 09Jul 14, 11[C07C, B01J]
2011/0152,414 INSULATING POLYMER MATERIAL COMPOSITIONAbandonedSep 01, 09Jun 23, 11[C07D, C08L, C08K]
2011/0124,935 PROCESS FOR PRODUCING AROMATIC COMPOUNDAbandonedMay 19, 09May 26, 11[C07C]
2010/0255,257 PROTECTOR FOR ELECTROCHEMICAL ELEMENTAbandonedNov 13, 08Oct 07, 10[B32B]
2010/0172,064 ELECTRIC APPARATUS FOR ELECTRIC POWERAbandonedJun 20, 08Jul 08, 10[H03K, H01G]
2009/0315,402 AC-DC CONVERSION DEVICEAbandonedOct 04, 07Dec 24, 09[H02J]
2009/0318,632 INSULATING POLYMER MATERIAL COMPOSITIONAbandonedAug 02, 07Dec 24, 09[C08G]
2009/0312,518 INSULATING POLYMER MATERIAL COMPOSITIONAbandonedAug 02, 07Dec 17, 09[C08G]
2009/0281,273 INSULATING POLYMERIC-MATERIAL COMPOSITIONAbandonedNov 08, 07Nov 12, 09[C08G]
2009/0198,040 INSULATING POLYMER MATERIAL COMPOSITIONAbandonedAug 02, 07Aug 06, 09[C08G]

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