NETUREN CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 3279
 
  
 
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 2422
 
  
 
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 1182
 
  
 
F16H GEARING1189
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 1046
 
  
 
B62D MOTOR VEHICLES; TRAILERS 784
 
  
 
B21K MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS, WHEELS 617
 
  
 
B21J FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES 416
 
  
 
C22C ALLOYS 468
 
  
 
E04C STRUCTURAL ELEMENTS; BUILDING MATERIALS 422

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0056,371 METHOD AND APPARATUS FOR MANUFACTURING STEPPED MEMBERMay 13, 16Mar 01, 18[B21K, B21J]
2018/0031,104 RACK BAR AND METHOD FOR MANUFACTURING RACK BARMar 22, 16Feb 01, 18[B23P, B62D, F16H]
2017/0314,094 HEATING METHOD, HEATING APPARATUS, AND FABRICATION METHOD FOR PRESS-MOLDED ARTICLENov 20, 15Nov 02, 17[H05B, C21D, B21D]
2017/0245,931 ORGAN RESECTION TOOLOct 16, 15Aug 31, 17[A61B]
2017/0164,425 HEATING METHOD, HEATING APPARATUS AND METHOD OF MANUFACTURING PRESS-MOLDED ARTICLEJun 22, 15Jun 08, 17[H05B, B21D]
2017/0100,796 RACK MANUFACTURING APPARATUS AND RACK MANUFACTURING METHODDec 20, 16Apr 13, 17[B23K]
2017/0099,703 HEATING COILAug 04, 15Apr 06, 17[H05B]
2017/0067,130 Induction Hardening Apparatus, Induction Hardening Method, Induction Heating Coil, Heat Treatment Apparatus, and Heat Treatment MethodNov 17, 16Mar 09, 17[H05B, C21D]
2016/0368,080 WELDING STRUCTURAL MEMBER AND WELDING METHODJun 27, 14Dec 22, 16[B23K]
2016/0346,828 SHAFT HOLDING SLEEVE, SHAFT DIAMETER ENLARGING APPARATUS AND JIG FOR SHAFT DIAMETER ENLARGING APPARATUSMar 17, 15Dec 01, 16[B21J]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920826 Hollow rack bar and method of manufacturing hollow rack barOct 11, 13Mar 20, 18[B21K, F16H]
9907118 Current applying apparatus, current applying method and direct resistance heating apparatusMay 31, 13Feb 27, 18[H05B, B23K, C21D]
9856965 Metal core for resin gear and resin gear composite memberMay 28, 14Jan 02, 18[B62D, F16H]
9562355 Rebar structure and reinforced concrete memberDec 10, 15Feb 07, 17[E04B, E04C]
9540815 Rebar structure and reinforced concrete memberDec 10, 15Jan 10, 17[E04B, E04C]
9534267 Induction hardening apparatus, induction hardening method, induction heating coil, heat treatment apparatus, and heat treatment methodJan 27, 12Jan 03, 17[H05B, C21D]
9498840 Welding structural part and welding method of the sameJul 30, 10Nov 22, 16[B23K, C22C]
9410320 Reinforced concrete structureMay 28, 15Aug 09, 16[E04B, E04C]
9328815 Rack bar and rack bar teeth forming dieJun 20, 13May 03, 16[B21K, B21J, B62D, F16H]
9316294 Rack bar and rack bar teeth forming dieJun 20, 13Apr 19, 16[B21K, B62D, F16H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0224,387 METHOD OF ANNEALING COPPER WIRE FOR INTERCONNECTORAbandonedSep 28, 12Aug 14, 14[H01B]
2012/0097,663 INDUCTION HARDENING CONTROL SYSTEMAbandonedMar 12, 09Apr 26, 12[H05B]
2011/0017,368 Steel Material, Process of Fabricating Steel Material, and Apparatus of Fabricating Steel MaterialAbandonedSep 30, 10Jan 27, 11[C21D, C22C]
2010/0051,611 METHOD AND DEVICE FOR INDUCTION HEATING AND HARDENING APPARATUSAbandonedAug 14, 09Mar 04, 10[H05B]
2007/0204,939 Method and Device for Induction Heating and Hardening ApparatusAbandonedFeb 20, 04Sep 06, 07[C21D]
2007/0138,169 Heat treatment apparatus and heat treatment methodAbandonedNov 25, 03Jun 21, 07[H05B]
7213802 Closed end type coiled spring with reduced initial deflectionExpiredDec 27, 02May 08, 07[F16F]
2004/0250,484 RC building seismic reinforcement method utilizing steel portal frames without bracesAbandonedNov 19, 03Dec 16, 04[E04B, E04H]
2004/0060,619 Heat-treated deformed steel wire and method and apparatus for manufacturing the sameAbandonedFeb 27, 03Apr 01, 04[C21D]
6257039 Paper clamp pressExpiredAug 13, 99Jul 10, 01[B21D]
6035686 Method and installation for producing biconical wireExpiredSep 29, 98Mar 14, 00[B21B]
4987281 Apparatus for continuous-direct-resistance heating of long-length particlesExpiredFeb 17, 89Jan 22, 91[H05B]
4979089 Method for balancing currents to switching devicesExpiredMay 26, 89Dec 18, 90[H02M, H02H]
4943036 Method and apparatus for isothermal holding of wire when a wire is heat-treated in-lineExpiredOct 12, 88Jul 24, 90[C21D]
4916598 Apparatus for discerning faulty switching deviceExpiredMay 04, 89Apr 10, 90[H02H]
4881722 Apparatus for producing superfine particleExpiredApr 11, 89Nov 21, 89[B22F]
4822969 Apparatus for continuous-direct-resistance heating of long-length articlesExpiredApr 21, 88Apr 18, 89[H05B]
4705580 Cutting method to be applied to producing helical springs by cold-forming thick high-strength wireExpiredMay 14, 86Nov 10, 87[C21D]
4665296 Method of and apparatus for igniting a high-frequency torch to create a high-temperature plasma of high purityExpiredNov 05, 84May 12, 87[B23K]
4598451 Method of producing a rack from pipe material and a rack thus producedExpiredApr 25, 84Jul 08, 86[B29D]

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