DKK-TOA CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
1004 OTHER MEASURING INSTRUMENTS, APPARATUS AND DEVICES135

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0178,592 APPARATUS FOR MEASURING CONCENTRATIONS OF DISSOLVED CONSTITUENTSMay 12, 14Jun 23, 16[G01N]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D728399 Water quality analyzerJan 07, 14May 05, 15[1004]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0225,768 QUANTIFICATION METHOD, QUANTIFICATION DEVICE, AND QUANTIFICATION KITAbandonedSep 19, 13Aug 13, 15[C12Q]
7659512 Oil type discrimination method and oil type discriminatorExpiredJun 27, 07Feb 09, 10[G01N]
2009/0236,224 ELECTROCHEMICAL SENSOR AND METHOD FOR MANUFACTURING THE SAMEAbandonedDec 13, 05Sep 24, 09[C03B, G01N]
7416899 Method and apparatus for measuring trace ingredients in waterExpiredJan 28, 05Aug 26, 08[G01N]
6734021 Method and apparatus for measuring organic carbon contentExpiredNov 21, 00May 11, 04[G01N]
2002/0009,812 Apparatus for measuring a medical substance; a sensor for use in the apparatus and a sensing element for use in the sensorAbandonedJun 22, 01Jan 24, 02[G01J, C12M, G01N]
6173600 Measuring instrument with memoryExpiredJan 04, 99Jan 16, 01[G01L]
5900136 Method of measuring concentration of nonelectrolyte in electrolyte solution, method of preparing mixed solution containing electrolytes and nonelectrolytes and apparatus for preparing the solutionExpiredFeb 05, 98May 04, 99[G01N]
5762769 Method of measuring concentration of nonelectrolyte in electrolyte solution, method of preparing mixed solution containing electrolytes and nonelectrolytes and apparatus for preparing the solutionExpiredNov 26, 96Jun 09, 98[G01N]
5573798 Method of manufacturing an electrode for measuring pHExpiredJun 05, 95Nov 12, 96[C23C, G01N]
5512752 Method of determining type of plasticsExpiredJan 13, 94Apr 30, 96[G01N]
5480534 Electrode for measuring PHExpiredJun 09, 94Jan 02, 96[G01N]
5320735 Electrode for measuring pHExpiredAug 19, 91Jun 14, 94[G01N]

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