NEC LIGHTING, 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 21341
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 4201
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 4124
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 4107
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 298
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 2149
 
  
 
B09B DISPOSAL OF SOLID WASTE 110
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 1132

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0255,258 IMAGE-CAPTURING DEVICE, ORGANIC EL ELEMENT, IMAGE-CAPTURING METHOD, PROGRAM, AND RECORDING MEDIUMOct 21, 14Sep 01, 16[H04N]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9912851 Image-capturing device, organic el element, image-capturing method, program, and recording mediumOct 21, 14Mar 06, 18[H04N]
9741933 Method for repairing organic EL element, method for manufacturing organic EL panel, and light-emitting deviceMar 24, 15Aug 22, 17[H01L]
9709637 Light-emitting element failure detector and method for detecting light-emitting element failureJun 28, 12Jul 18, 17[H05B, G01R]
9698361 Organic EL panel translucent substrate, control method for refractive index anisotropy of organic EL panel translucent substrate, manufacturing method for organic EL panel translucent substrate, organic EL panel, and organic EL deviceMar 25, 15Jul 04, 17[H01L, G02B]
9680125 Organic electroluminescent lighting device and method for manufacturing the sameApr 26, 11Jun 13, 17[H01J, H01L]
9658274 Light-emitting element failure detector and method for detecting light-emitting element failureJun 28, 12May 23, 17[H05B, G01R]
9608229 Organic EL lighting panel substrate, organic EL lighting panel, and organic EL lighting deviceDec 04, 12Mar 28, 17[H01L]
9559333 Organic el lighting panel substrate, method for manufacturing organic el lighting panel substrate, organic el lighting panel, and organic el lighting deviceMar 04, 13Jan 31, 17[H01L]
9537114 Organic EL light emitting device, manufacturing method therefor, and organic EL illumination deviceJan 08, 16Jan 03, 17[H01L]
9508682 Organic EL luminescent deviceDec 10, 13Nov 29, 16[H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0328,720 PURIFICATION DEVICE AND PURIFICATION METHODAbandonedNov 14, 12Nov 06, 14[A61L]
8446086 Fluorescent lamp electrode, method for producing same, and a fluorescent lampExpiredMay 29, 09May 21, 13[H01J]
2013/0020,963 Illumination Device and Light-Adjusting MethodAbandonedApr 28, 11Jan 24, 13[H05B]
8100649 Ceiling fan with rotary blade surface lightExpiredJan 23, 08Jan 24, 12[F04D]
2011/0222,276 ILLUMINATING DEVICE AND ILLUMINATING UNIT INCLUDING A PLURALITY OF THE SAME ILLUMINATING DEVICESAbandonedJul 04, 08Sep 15, 11[F21V, F21S]
8017037 Fluorescent substance and light emitting device using the sameExpiredMar 25, 08Sep 13, 11[C09K]
2011/0182,083 ILLUMINATING DEVICEAbandonedJul 31, 08Jul 28, 11[F21V]
2011/0171,872 METHOD FOR MANUFACTURING AN EXTERNAL ELECTRODE FLUORESCENT LAMPAbandonedMar 21, 11Jul 14, 11[H01J]
7956542 External electrode fluorescent lamp and manufacturing method of the sameExpiredApr 14, 09Jun 07, 11[H01J]
2010/0277,058 COLD CATHODE FLUORESCENT LAMPAbandonedAug 22, 08Nov 04, 10[H01J]
2010/0264,729 POWER SUPPLY CIRCUIT AND LIGHTING SYSTEMAbandonedDec 22, 06Oct 21, 10[H02J]
2010/0181,895 LUMINOUS TUBE, FLUORESCENT LAMP, AND LUMINOUS TUBE PRODUCTION METHODAbandonedJan 14, 10Jul 22, 10[H01J]
2010/0102,344 LED DEVICE AND ILLUMINATING APPARATUSAbandonedFeb 29, 08Apr 29, 10[H01L]
7675247 Remote control transmitter which is capable of controlling a plurality of light fittings without the need for a slidable switchExpiredAug 14, 07Mar 09, 10[G05F]
2010/0044,741 LIGHTING DEVICEAbandonedMay 08, 08Feb 25, 10[H01L]
2010/0045,162 FLUORESCENT LAMPAbandonedAug 06, 09Feb 25, 10[H01J]
2010/0045,167 SURFACE LIGHT-EMITTING DEVICE AND ILLUMINATING APPARATUS AND DISPLAY APPARATUS INCLUDING THE SAMEAbandonedAug 06, 09Feb 25, 10[H01J]
2009/0309,112 Yellow-Emitting Phosphor and White Light Emitting Device Using the SameAbandonedDec 21, 06Dec 17, 09[C09K, H01L]
2009/0273,000 Light emitting device and method of manufacturing sameAbandonedApr 08, 09Nov 05, 09[H01L]
2009/0268,470 LED LAMPAbandonedNov 14, 06Oct 29, 09[F21V]

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