NAPRA CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 20342
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 1042
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 8148
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 371
 
  
 
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 291
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 282
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS 126
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9924592 Three-dimensional laminated circuit board, electronic device, information processing system, and information network systemAug 18, 16Mar 20, 18[H01L, H05K]
9735074 Semiconductor deviceJan 30, 17Aug 15, 17[H01L]
9730325 Substrate with built-in passive elementJan 15, 14Aug 08, 17[H05K]
9704793 Substrate for electronic device and electronic deviceDec 07, 11Jul 11, 17[H01L, H05K]
9691519 Insulating paste, electronic device and method for forming insulatorNov 20, 13Jun 27, 17[H01L, B05D, H01B]
9685394 Electronic device and manufacturing method thereforMay 13, 11Jun 20, 17[H01L]
9515044 Electronic device, method of manufacturing the same, metal particle, and electroconductive pasteOct 14, 15Dec 06, 16[H01L]
9460965 Semiconductor substrate, eletronic device and method for manufacturing the sameAug 14, 15Oct 04, 16[H01L]
9349720 Integrated circuit deviceJul 28, 14May 24, 16[H01L]
9339871 Method for producing spherical particles, having nanometer size, crystalline structure, comprising providing a swirling plasma gas flowJun 17, 14May 17, 16[B22F, C01G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0117,353 CIRCUIT BOARD AND ELECTRONIC DEVICEAbandonedOct 27, 15Apr 27, 17[H01L]
2015/0228,382 METHOD FOR FORMING CONDUCTOR IN MINUTE SPACEAbandonedNov 25, 14Aug 13, 15[B05D, C09D, H01B]
2014/0023,777 METHOD FOR PRODUCING WIRING BOARD HAVING THROUGH HOLE OR NON-THROUGH HOLEAbandonedSep 24, 13Jan 23, 14[H05K]
2013/0277,850 ELECTRONIC DEVICEAbandonedApr 09, 13Oct 24, 13[H01L]
2013/0250,481 CONDUCTIVE FINE POWDER, CONDUCTIVE PASTE AND ELECTRONIC COMPONENTAbandonedMar 12, 13Sep 26, 13[H01G]
2013/0136,645 METHOD FOR FORMING FUNCTIONAL PART IN MINUTE SPACEAbandonedNov 16, 12May 30, 13[C03B, B29C, B82B, B22F]
2011/0232,740 SOLAR CELLAbandonedFeb 10, 11Sep 29, 11[H01L]
2010/0031,501 METHOD FOR FILLING THROUGH HOLE OR NON-THROUGH HOLE FORMED ON BOARD WITH FILLERAbandonedAug 08, 08Feb 11, 10[H05K]
2002/0112,785 High energy nanocomposite permanent magnetAbandonedDec 18, 01Aug 22, 02[H01F]
6051077 Raw material powder for modified permanent magnets and production method of the sameExpiredJul 16, 97Apr 18, 00[H01F]

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