PANASONIC ELECTRIC WORKS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 7845
 
  
 
1303 EQUIPMENT FOR DISTRIBUTION OR CONTROL OF ELECTRIC POWER5129
 
  
 
2803 TOILET ARTICLES AND BEAUTY PARLOR EQUIPMENT497
 
  
 
B26B HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR 449
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 40322
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 36411
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 3460
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 3499
 
  
 
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
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 28100

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8894251 Lighting device topology for reducing unevenness in LED luminance and colorJul 05, 11Nov 25, 14[F21V, H01L, F21Y, F21S]
8626873 Systems and methods for managing a provider's online status in a distributed networkNov 03, 11Jan 07, 14[G06F]
8366028 Electrostatic atomizerJun 13, 11Feb 05, 13[B03C, B05B, F23D]
8213887 Pre-distorting a transmitted signal for offset cancellationJun 22, 11Jul 03, 12[H01Q, H01F]
8191406 Method and device for pretreating a fuel rod cladding tube for material tests, test body and method for testing corrosion characteristicsJun 22, 09Jun 05, 12[G01N]
8148884 Electrodeless discharge lampSep 28, 05Apr 03, 12[H01J]
8145325 Mouth cleaning deviceOct 03, 07Mar 27, 12[A61N]
8133054 Method for producing an orthodontic appliance having a vibrating elementNov 18, 09Mar 13, 12[A61C]
8128571 SphygmomanometerDec 12, 07Mar 06, 12[A61B]
8128741 Gas dissolving apparatusMay 28, 07Mar 06, 12[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0326,661 CONTACTLESS POWER RECEIVING DEVICE, AND CONTACTLESS CHARGING SYSTEMAbandonedMar 08, 11Dec 27, 12[H02J]
2012/0233,791 BRUSH BODY AND TOOTHBRUSHAbandonedDec 20, 10Sep 20, 12[A46B]
2012/0184,132 DIRECT CURRENT OUTLETAbandonedAug 02, 10Jul 19, 12[H01R]
2012/0185,107 POWER DISTRIBUTION SYSTEMAbandonedAug 31, 10Jul 19, 12[G05F]
2012/0157,897 MASSAGE MACHINEAbandonedSep 02, 10Jun 21, 12[A61H]
8146254 Hair clipperExpiredJun 13, 07Apr 03, 12[B26B]
8135447 Optical biological information measuring apparatus, optical biological information measuring method, biological information decision apparatus, program and recording mediumExpiredSep 30, 04Mar 13, 12[A61B]
8109452 Electrostatic atomizer for use in a motor vehicleExpiredJan 15, 09Feb 07, 12[B05B]
8098118 Bandpass filter and process of fabricating the sameExpiredFeb 19, 08Jan 17, 12[H01P, H03H]
8091241 Electric hair removerExpiredNov 25, 08Jan 10, 12[B26B]
8095211 Body fat measuring deviceExpiredJan 25, 06Jan 10, 12[A61B]
8083650 Exercise assisting deviceExpiredDec 24, 08Dec 27, 11[A63B]
8067769 Wafer level package structure, and sensor device obtained from the same package structureExpiredNov 24, 06Nov 29, 11[H01L]
8062197 Exercise assisting deviceExpiredApr 23, 08Nov 22, 11[A63B]
8062765 Silver layer formed by electrosilvering substrate materialExpiredJul 05, 07Nov 22, 11[C25D, B32B]
8056839 Electrostatic atomizerExpiredNov 25, 08Nov 15, 11[B05B, F23D]
8033485 Electrostatic atomizer and coolant-circulating equipment including sameExpiredNov 21, 08Oct 11, 11[B05B]
8035998 Switching power supplyExpiredJun 29, 07Oct 11, 11[H02M]
8031893 Hearing aidExpiredAug 10, 07Oct 04, 11[H04R]
8026594 Sensor device and production method thereforExpiredNov 24, 06Sep 27, 11[H01L]

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