KUMHO ELECTRIC INC.

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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 9102
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 5105
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 5123
 
  
 
F21K LIGHT SOURCES NOT OTHERWISE PROVIDED FOR436
 
  
 
E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE119
 
  
 
F21S NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF 155
 
  
 
F21Y INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO THE FORM OF THE LIGHT SOURCES 134
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
2604 LUMINOUS SOURCES, ELECTRICAL OR NOT135
 
  
 
2605 LAMPS, STANDARD LAMPS, CHANDELIERS, WALL AND CEILING FIXTURES, LAMPSHADES, REFLECTORS, PHOTOGRAPHIC AND CINEMATOGRAPHIC PROJECTOR LAMPS132

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D809697 Cruciform ceiling lightMay 06, 16Feb 06, 18[2605]
9832835 LED fluorescent lampNov 23, 16Nov 28, 17[H05B]
9732914 LED lampDec 11, 15Aug 15, 17[H05B, F21K]
9732915 LED fluorescent lampDec 29, 16Aug 15, 17[H05B, F21Y, F21K]
9646799 Apparatus for sealing arc-tubeJan 15, 16May 09, 17[H01J]
9572205 LED fluorescent lampMay 20, 15Feb 14, 17[H05B]
9512967 Straight type lampFeb 28, 14Dec 06, 16[F21V, F21Y, F21K, H01R]
9253830 LED fluorescent lampDec 31, 13Feb 02, 16[H05B]
D743587 LED fluorescent lampFeb 28, 14Nov 17, 15[2604]
9078309 LED fluorescent lampMay 02, 13Jul 07, 15[H05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0245,491 TRANSPARENT LIGHT EMITTING APPARATUSAbandonedApr 24, 15Aug 25, 16[F21V]
2016/0234,909 LED LAMPAbandonedApr 20, 16Aug 11, 16[F21V, H05B, F21K]
2015/0257,233 LED FLUORESCENT LAMPAbandonedMay 20, 15Sep 10, 15[H05B]
2011/0291,142 OXYNITRIDE PHOSPHOR, METHOD FOR PREPARING THE SAME, AND LIGHT-EMITTING DEVICEAbandonedSep 29, 09Dec 01, 11[C09K, H01L]
7956545 Field emission deviceExpiredOct 31, 07Jun 07, 11[H05B, G09G]
2011/0121,724 FILAMENT FOR FLUORESCENT LAMPAbandonedApr 23, 08May 26, 11[H01J]
2011/0037,400 Constant Current Driving Circuit for Field Emission DeviceAbandonedApr 29, 10Feb 17, 11[H05B]
2010/0264,810 ELECTRODE FOR HOT CATHODE FLUORESCENT LAMPAbandonedJan 02, 08Oct 21, 10[H01J]
2010/0207,507 ELECTRODE ASSEMBLY FOR A COLD CATHODE FLUORESCENT LAMPAbandonedMay 23, 08Aug 19, 10[H01J]
7341359 Lighting device using cold cathode fluorescent lampExpiredJul 27, 05Mar 11, 08[F21V]

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