TAKASAGO THERMAL ENGINEERING 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 253
 
  
 
A62D CHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS115
 
  
 
B01D SEPARATION 1133
 
  
 
B09B DISPOSAL OF SOLID WASTE 110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7598074 System and method for cleaning contaminated matter comprising dioxins and preparation for decomposing dioxinsMar 19, 04Oct 06, 09[B09C, A62D, B09B, C02F]
6350376 Reductive heat exchange water and heat exchange system using such waterMar 16, 00Feb 26, 02[C02F, B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6352578 Air cleaning filter, process for preparing the same, and high-level cleanerExpiredJan 24, 00Mar 05, 02[B01D]
6146451 Air-cleaning filter, method of producing the same, and high-level cleaning deviceExpiredMay 12, 99Nov 14, 00[B01D]
6120584 Air cleaning apparatus, air filter and method for manufacturing the sameExpiredSep 28, 98Sep 19, 00[B01D]
5882938 Apparatus and method for evaluating contamination caused by organic substances deposited on substrate surfaceExpiredJun 04, 96Mar 16, 99[G01N]
5798455 Storehouse for use in storage of clean materialsExpiredJun 07, 96Aug 25, 98[G01N, G01R, G01B, F24F]
5057966 Apparatus for removing static electricity from charged articles existing in clean spaceExpiredOct 13, 89Oct 15, 91[H05F]
5047892 Apparatus for removing static electricity from charged articles existing in clean spaceExpiredOct 13, 89Sep 10, 91[H05F]
4693175 Clean room systemExpiredApr 30, 86Sep 15, 87[F24I]

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