Koyo Thermo Systems Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 596
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 4107
 
  
 
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 243
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
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
 
  
 
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
 
  
 
B30B PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR 121
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 122
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 117
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0073,781 CONVEYING DEVICESep 15, 17Mar 15, 18[H01L, F25B]
2018/0050,509 TANK COOLING DEVICEOct 26, 15Feb 22, 18[B29C, F17C, B30B, F16J]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8317939 Method of gas carburizingMay 04, 04Nov 27, 12[C23C]
8007564 Manufacture method of briquette for use as metal stock and manufacturing apparatus thereofSep 28, 05Aug 30, 11[C22B]
7842230 Continuous carburizing furnaceOct 10, 07Nov 30, 10[C21D]
7833471 Carburizing apparatus and carburizing methodAug 23, 04Nov 16, 10[C23C]
7811510 Continuous carburizing furnaceOct 10, 07Oct 12, 10[C21C]
7416614 Method of gas carburizingApr 28, 03Aug 26, 08[C23C]
7112248 Vacuum carbo-nitriding methodDec 13, 01Sep 26, 06[C23C]
7029540 Method of gas carburizingJan 30, 04Apr 18, 06[C23C]
7027722 Electric heater for a semiconductor processing apparatusNov 25, 02Apr 11, 06[F26B]
6767504 Heat treatment furnaceApr 15, 02Jul 27, 04[C21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7357843 Vacuum heat treating method and apparatus thereforExpiredNov 30, 01Apr 15, 08[C23C]
7041273 Apparatus and method of generating a carburizing atmosphereExpiredMay 19, 03May 09, 06[C01B]
7003014 Electric heater for thermal treatment furnaceExpiredMar 19, 02Feb 21, 06[H05B]

Top Inventors for This Owner

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