DAEJOO ELECTRONIC MATERIALS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 219
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR293
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C01D COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM 114
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0312,116 FLUORESCENT MATERIAL FOR WHITE LIGHT EMITTING DIODE AND PREPARATION METHOD THEREOFNov 13, 13Oct 27, 16[C09K, H01L]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8303928 Fluorine-containing magnesium oxide powder prepared by vapor phase reaction and method of preparing the sameJan 26, 11Nov 06, 12[C01B, C01F, C01D]
8119030 Thulium-containing fluorescent substance for white light emitting diode and manufacturing method thereofJun 05, 07Feb 21, 12[C09K]
7972586 Fluorine-containing magnesium oxide powder prepared by vapor phase reaction and method of preparing the sameSep 18, 08Jul 05, 11[C01B, C01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7652416 Lamp having good maintenance behavior of brightness and color coordinationsExpiredMar 28, 06Jan 26, 10[C09K, H01J, G03B]
7615248 Method for preparing blue-emitting barium magnesium aluminate (BAM) phosphor for blacklight unit lamp, and blue-emitting BAM phosphor prepared by the methodExpiredDec 29, 05Nov 10, 09[C09K, B05D]
6841093 Method for manufacturing spherical blue fluorescent substanceExpiredAug 16, 02Jan 11, 05[C09K]
2004/0033,413 Polymer electrolyte membrane fuel cellAbandonedAug 18, 03Feb 19, 04[H01M, B32B]

Top Inventors for This Owner

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