Japan Organo Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5470461 Apparatus for producing pure waterOct 01, 92Nov 28, 95[C02F]
5380471 Aeration apparatus for producing ultrapure waterFeb 28, 94Jan 10, 95[B01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5382356 Method and apparatus for controlling sludge dewateringExpiredJun 10, 92Jan 17, 95[C02F, B01D]
5262051 Apparatus for biological treatment of water and waste, of the attached-growth typeExpiredMar 05, 92Nov 16, 93[C02F]
5223143 Process for fractional separation of a plurality of components from the mixture thereofExpiredJun 12, 92Jun 29, 93[B01D]
5209852 Process for scrubbing porous hollow fiber membranes in hollow fiber membrane moduleExpiredAug 19, 91May 11, 93[B01D]
5200517 Inclusion-complexing agent for use in isolation of xylene isomer(s) and/or ethylbenzeneExpiredApr 10, 91Apr 06, 93[C08B, C13K]
5198120 Process for fractional separation of multi-component fluid mixtureExpiredDec 18, 90Mar 30, 93[B01D]
5151191 Filtration process using hollow fiber membrane moduleExpiredSep 11, 91Sep 29, 92[B01D]
5095173 Process for isolating xylene isomer(s) and/or ethylbenzene and inclusion-complexing agent for use in isolation of xylene isomer(s) and/or ethylbenzeneExpiredSep 17, 90Mar 10, 92[C07O]
4915833 Column filter using bundles of long fibersExpiredJul 14, 89Apr 10, 90[B01D]
4886601 Column filter using bundles of long fibersExpiredMay 25, 89Dec 12, 89[B01D]
4832839 Hemopurification apparatusExpiredSep 15, 87May 23, 89[B01D]
4472203 Method for the separation of glucose and fructoseExpiredJul 19, 82Sep 18, 84[C13D]
4462906 Filler for electromagnetic filtersExpiredDec 14, 82Jul 31, 84[B01D]
4460463 Electromagnetic filterExpiredJan 17, 83Jul 17, 84[B01D]
4427027 Liquid storage tankExpiredFeb 05, 82Jan 24, 84[E03B]
4391649 Process for regenerating a strongly acidic cation exchange resinExpiredJun 30, 81Jul 05, 83[B01J]
4335746 Liquid storage tankExpiredSep 22, 80Jun 22, 82[E03B]

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