HEESUNG MATERIAL LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07D HETEROCYCLIC COMPOUNDS 10152
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 10352
 
  
 
C07F ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM, OR TELLURIUM 862
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR887
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C09B ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES 142
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0331,052 HETERO-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAMEMay 10, 17Nov 16, 17[C09K, H01L, C07D]
2017/0141,325 HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING SAMEJun 26, 15May 18, 17[C09K, H01L, C07F, C07D]
2016/0204,357 POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAMEJun 29, 15Jul 14, 16[C09K, H01L, C07F, C07D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9899600 Multicyclic aromatic compound and organic light emitting device using the sameNov 26, 13Feb 20, 18[C09K, H01L, C07F, H05B, C07D, C07C, C09B]
9728731 Heterocyclic compound and organic light emitting device using sameDec 26, 14Aug 08, 17[C09K, H01L, C07F, C07D]
9333594 Lead-free solder composition for glassDec 12, 12May 10, 16[B23K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0311,181 Heat Exchanger for Refrigeration CycleAbandonedApr 19, 13Oct 23, 14[F25B]
2014/0197,393 HYDROCARBON-BASED FUSED RING COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAMEAbandonedDec 20, 13Jul 17, 14[H01L]
2013/0269,914 Heat Exchanger for Refrigeration Cycle and Manufacturing Method for SameAbandonedOct 11, 11Oct 17, 13[B23P, F28D]

Top Inventors for This Owner

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