THE JAPAN STEEL WORKS, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 6066
 
  
 
C22C ALLOYS 2745
 
  
 
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 236
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 1233
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1099
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 841
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF772
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 6356
 
  
 
B01D SEPARATION 5129
 
  
 
C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS 532

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0037,704 METHOD FOR MANUFACTURING MICROPOROUS FILM AND MICROPOROUS FILMFeb 25, 15Feb 08, 18[C08J, B29C, H01M, C08K]
2017/0342,525 HIGH STRENGTH NI-BASED SUPERALLOYMay 26, 16Nov 30, 17[C22C]
2017/0320,252 CUTTING DEVICE AND METHOD FOR OPERATING SAMEDec 10, 15Nov 09, 17[B26D, B29C, B29K]
2017/0221,712 LASER ANNEALING APPARATUS AND LASER ANNEALING METHODMar 31, 17Aug 03, 17[H01L, B23K]
2017/0173,838 STRAND MANUFACTURING DEVICE, PELLET MANUFACTURING DEVICE, STRAND MANUFACTURING METHOD, AND PELLET MANUFACTURING METHODJun 26, 15Jun 22, 17[B29C]
2017/0120,483 CROWN ADJUSTING ROLLNov 02, 16May 04, 17[B29C]
2016/0376,687 IRON-BASED SINTERED ALLOY AND METHOD FOR PRODUCING THE SAMEJun 23, 16Dec 29, 16[B22F, B26F, C22C]
2016/0257,027 SCREW EXTRUDERSep 09, 14Sep 08, 16[C12P, B29B, B01J]
2016/0214,277 TWIN SCREW EXTRUDER FOR USE IN MANUFACTURING FIBER-REINFORCED RESIN COMPOSITION AND PROCESS FOR MANUFACTURING FIBER-REINFORCED RESIN COMPOSITIONAug 15, 14Jul 28, 16[B29C, B29B]
2016/0151,954 VENTED TWIN-SCREW KNEADING EXTRUSION APPARATUS AND EXTRUSION METHODAug 18, 14Jun 02, 16[B29C]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9856553 Ni-based superalloy with excellent unsusceptibility to segregationFeb 13, 09Jan 02, 18[C22B, C22F, B22D, C22C]
9797034 High strength and high toughness cast steel material and method for producing the sameSep 24, 10Oct 24, 17[C21D, C22C]
9800104 Nonmagnetic high strength steel motor rotor support and method for manufacturing sameMar 27, 13Oct 24, 17[H02K, C21D, C22C]
9744698 Method for manufacturing microscopic structural bodyDec 01, 11Aug 29, 17[B29C, B81C]
9731448 Vent assembly device for twin-screw extruderFeb 13, 14Aug 15, 17[B29C]
9604432 Coating structure materialSep 24, 13Mar 28, 17[B23K, B32B, C22C]
9511338 Production method and production device of nanocarbonMay 10, 12Dec 06, 16[C01B, B82Y, B01J, D01F]
9498764 Synthesis gas and nanocarbon production method and production systemMar 23, 16Nov 22, 16[C01B, B01J]
9498899 Screw pair and co-rotating intermeshing twin-screw extruder provided with screw pairFeb 28, 13Nov 22, 16[B29C, B29B]
9463429 Device for producing nanocarbonFeb 11, 15Oct 11, 16[C01B, B82Y, B01J, D01F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0332,923 LASER ANNEALING APPARATUS AND LASER ANNEALING METHODAbandonedMay 29, 15Nov 19, 15[H01L]
2015/0314,513 CONTINUOUS EXTRUSION DEVICE BASED ON TWIN SCREW EXTRUDERAbandonedMar 19, 14Nov 05, 15[B29C, B29B, B01F]
2015/0225,827 NI-BASED ALLOY HAVING EXCELLENT HYDROGEN EMBRITTLEMENT RESISTANCE, AND METHOD FOR PRODUCING NI-BASED ALLOY MATERIALAbandonedAug 22, 13Aug 13, 15[C22F, C22C]
2015/0001,045 SCREW-TYPE FINE POWDER RAW MATERIAL FEEDING DEVICE AND METHODAbandonedApr 26, 13Jan 01, 15[B65G]
2014/0248,433 METHOD AND APPARATUS FOR MANUFACTURING MOLDED PRODUCT HAVING THIN FILMAbandonedMay 14, 14Sep 04, 14[B29C]
2014/0065,255 GUIDE DEVICE FOR PARISONAbandonedMar 28, 12Mar 06, 14[B29C]
2013/0323,114 HIGH-STRENGTH COPPER ALLOY FORGING MATERIALAbandonedFeb 14, 12Dec 05, 13[C22C]
2013/0106,016 METHOD FOR ATTACHING THIN CYLINDRICAL ELEMENT TO MOLD CORE, PROCESS FOR PRODUCING CYLINDRICAL CONTAINER, AND MOLD COREAbandonedMar 15, 11May 02, 13[B29C]
8408254 Hydrogen filling apparatusExpiredJan 30, 08Apr 02, 13[B65B]
8361576 Hollow moldings having thin film on inner surfaceExpiredDec 03, 08Jan 29, 13[B32B]
8329076 Method of operating injection molding machine and injection molding machineExpiredJun 22, 10Dec 11, 12[B29C]
2012/0234,810 LASER ANNEALING APPARATUS AND LASER ANNEALING METHODAbandonedSep 09, 10Sep 20, 12[B23K]
2012/0236,896 ATMOSPHERE STABILIZATION METHOD AND LASER PROCESSING APPARATUSAbandonedMar 16, 11Sep 20, 12[H01S]
8235693 Power supply device for electrically driven injection molding machine and electrically driven injection molding machineExpiredFeb 09, 09Aug 07, 12[B29C]
8105540 Method of treating polymer compound and treatment system for the sameExpiredJun 23, 10Jan 31, 12[B28B, B29C, B29B, B01J]
7919366 Laser crystallization method for amorphous semiconductor thin filmExpiredOct 09, 09Apr 05, 11[H01L]
7837460 Molding method and molding apparatus of mold product having thin film at inner surfaceExpiredSep 19, 07Nov 23, 10[B29C]
7833454 Molding method and molding apparatus of mold product having thin film at inner surfaceExpiredMar 31, 09Nov 16, 10[B28B]
7824173 Apparatus for molding a hollow molded articleExpiredJun 25, 09Nov 02, 10[B29C]
2010/0072,177 PRESSURE VESSEL FABRICATING METHODAbandonedFeb 19, 08Mar 25, 10[B23K]

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