DOWA ECO-SYSTEM CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 352
 
  
 
B09C RECLAMATION OF CONTAMINATED SOIL 27
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 250
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR293
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 120
 
  
 
B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL 120
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127
 
  
 
C22C ALLOYS 171
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 1153

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9567521 Method of producing iron powder for treating halogenated organic compound and method of cleaning contaminated soil or groundwaterJan 17, 12Feb 14, 17[C09K, B09C, B22F, C02F]
9421589 Soil cleaning methodJul 15, 10Aug 23, 16[B03C, B09C, B07B]
9359659 Method for recovering valuable material from lithium-ion secondary battery, and recovered material containing valuable materialJun 26, 13Jun 07, 16[C22B, H01M, C22C]
8034156 Method for producing decomposer of organic halogenated compoundsMar 22, 06Oct 11, 11[B22F]
7910516 Decomposer of organic halogenated compoundsMar 22, 06Mar 22, 11[B01J]
7235181 Metal powder for decomposition of organic halogen and method for manufacturing the sameSep 10, 02Jun 26, 07[C02F]

Expired/Abandoned/Withdrawn Patents

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