S. K. G. Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
2604 LUMINOUS SOURCES, ELECTRICAL OR NOT1125
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 3107
 
  
 
G09F DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS 237
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 156
 
  
 
F21K LIGHT SOURCES NOT OTHERWISE PROVIDED FOR139
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9557472 Light guide member and method of manufacturing light guide memberApr 23, 13Jan 31, 17[F21V]
9523809 Light emitting apparatusFeb 27, 13Dec 20, 16[F21V, F21Y, G02B]
9244210 Light guide plate, display unit including the light guide plate, traffic sign including the display unit, and method of manufacturing the light guide plate and method of manufacturing the traffic signJul 24, 12Jan 26, 16[F21V, F21Y, F21K, G09F]
8940200 Manufacturing method for light guide plateApr 27, 09Jan 27, 15[B29D]
8549777 Method for manufacturing light guide plate, light guide plate, and light emitting sign using the light guide plateDec 12, 08Oct 08, 13[G09F]
D671240 LED light bulbApr 17, 12Nov 20, 12[2604]
D671241 LED light bulbApr 17, 12Nov 20, 12[2604]
D671242 LED light bulbApr 18, 12Nov 20, 12[2604]
D671243 LED light bulbApr 18, 12Nov 20, 12[2604]
D668365 LED light bulbApr 17, 12Oct 02, 12[2604]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0044,497 ILLUMINATION DEVICEAbandonedMay 26, 10Feb 21, 13[F21V]
2012/0250,353 MANUFACTURING METHOD FOR LIGHT GUIDE PLATE, LIGHT GUIDE PLATE, BACK LIGHT DEVICE, ILLUMINATION DEVICE, AND PARTITION PLATE DEVICEAbandonedMay 26, 10Oct 04, 12[F21V, B06B]
2012/0182,766 MANUFACTURING METHOD FOR LIGHT GUIDE PLATE, LIGHT GUIDE PLATE, BACK LIGHT DEVICE, ILLUMINATION DEVICE, AND MANUFACTURING APPARATUS FOR LIGHT GUIDE PLATEAbandonedMay 26, 10Jul 19, 12[F21V, B05D]
2012/0140,517 ILLUMINATION DEVICEAbandonedMar 09, 10Jun 07, 12[F21V]

Top Inventors for This Owner

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