SUZUKI METAL INDUSTRY CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C22C ALLOYS 567
 
  
 
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 342
 
  
 
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 1100

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8734600 High strength steel wire for springJul 09, 10May 27, 14[C22C]
7575646 Heat-treated steel wire for high strength springFeb 07, 02Aug 18, 09[C22C]
6338763 Steel wire for high-strength springs and method of producing the sameSep 27, 99Jan 15, 02[C21D, C22C]
6074496 High-strength oil-tempered steel wire with excellent spring fabrication property and method for producing the sameMar 12, 98Jun 13, 00[C21D, C22C]
5665179 Process for producing a coil springJul 27, 95Sep 09, 97[C23C, C21D, C22C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0244,883 Method for producing oil temper wiresAbandonedMar 18, 04Dec 09, 04[C21D]
4407353 Waste heat recovery device for preventing corrosion by sulfur oxidesExpiredOct 29, 81Oct 04, 83[B60H, B61D]

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