Kosaka Smelting & Refining Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C22B PRODUCTION OR REFINING OF METALS 226
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 138
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 122

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8366991 Apparatus for recovering platinum group elementsSep 16, 10Feb 05, 13[C21B]
7815706 Method and apparatus for recovering platinum group elementsAug 04, 03Oct 19, 10[C22B]
5252305 Process of recovering platinum group metalApr 09, 92Oct 12, 93[C22B, C01G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0213,323 Method for recovering platinum group elementsAbandonedMar 11, 04Sep 28, 06[C22B]
6228144 Method for operating waste heat boiler in flash-smelting furnaceExpiredJun 08, 99May 08, 01[C22B]

Top Inventors for This Owner

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