Junkosha Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 276
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 272
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
A61M DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY 1153
 
  
 
B01D SEPARATION 1133
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5571413 Composite filter materialJun 18, 93Nov 05, 96[B01D]
5457287 Coaxial electrical cableMay 18, 94Oct 10, 95[H01B]
5393929 Electrical insulation and articles thereofNov 23, 93Feb 28, 95[H01B, B32B]
5340843 Fluororesin foamFeb 22, 93Aug 23, 94[C08J]
5194459 Fluoropolymer insulating material containing hollow microspheresFeb 04, 91Mar 16, 93[C08J]
5165964 Process for applying deodorant particles to a membraneJun 20, 91Nov 24, 92[B05D]
5165975 Contrast medium-containing tubeApr 30, 91Nov 24, 92[A61K, A61M]
5141972 Insulating material and production thereofApr 29, 91Aug 25, 92[C08V]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5525911 Vertical probe tester card with coaxial probesExpiredAug 04, 94Jun 11, 96[G01R]
5227742 Stripline cable having a porous dielectric tape with openings disposed therethroughExpiredOct 09, 90Jul 13, 93[H01P]
5209275 Liquid dispensing apparatus and method by sensing the type of liquid vapors in the receiverExpiredAug 28, 91May 11, 93[G01N]
5136123 Multilayer circuit boardExpiredMar 23, 88Aug 04, 92[H05K]
5085863 Tube provided with a white bismuth salt containing bismuth compound mixture as X-ray opaque agentExpiredApr 17, 90Feb 04, 92[A61M]
5055064 Branching connector for a shielded cableExpiredFeb 04, 91Oct 08, 91[H01R]
4972179 Liquid leakage detection apparatus including wheatstone bridgeExpiredJul 26, 89Nov 20, 90[G08B]
4966886 Superconducting cable with continuously porous insulationExpiredMar 30, 89Oct 30, 90[H01B]
4965290 Low permittivity composite materialExpiredFeb 22, 89Oct 23, 90[C08J]
4923410 Low-permittivity connector and flat-cableExpiredFeb 22, 89May 08, 90[H01R]
4911771 Laminated printed circuit board and process for its manufactureExpiredNov 21, 88Mar 27, 90[B31B]
4896527 Solvent leak detecting sensorExpiredJul 14, 89Jan 30, 90[G01M]
4896664 SnorkelExpiredApr 04, 89Jan 30, 90[A62B]
4895756 Printed circuit substrateExpiredSep 23, 88Jan 23, 90[B32B]
4894636 Oil leakage detection deviceExpiredOct 21, 88Jan 16, 90[H01C]
4875359 Attachment ring for a liquid leakage sensor used in drain openingsExpiredOct 13, 88Oct 24, 89[G01M]
4860983 Attachment bracket for a liquid leakage sensor used in drain openingsExpiredOct 13, 88Aug 29, 89[G01M]
4862066 Oil leakage sensor elementExpiredAug 24, 88Aug 29, 89[H01L]
4857381 Reinforced dielectric sheetExpiredMay 05, 88Aug 15, 89[B32B]
4825221 Directly emitting dielectric transmission lineExpiredDec 07, 87Apr 25, 89[H01Q]

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