AICHI TOKEI DENKI CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 455
 
  
 
1004 OTHER MEASURING INSTRUMENTS, APPARATUS AND DEVICES234
 
  
 
A61M DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY 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
9752906 Flow volume detectorMay 21, 12Sep 05, 17[G01F, A61M]
D675121 Water meterJul 13, 11Jan 29, 13[1004]
D674299 Water meterJul 13, 11Jan 15, 13[1004]
5677496 Electromagnetic flow meter removing influence of fluctuation in direct-current offset voltageOct 07, 96Oct 14, 97[G01F]
5625155 Electromagnetic flowmeterApr 22, 94Apr 29, 97[G01F]
5524493 Electromagnetic flowmeterApr 07, 95Jun 11, 96[G01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6508116 Water bike equipped with speed meterExpiredJun 02, 00Jan 21, 03[G01P]
5583299 Conduit for an electromagnetic flowmeter using magnetic poles as ground electrodesExpiredJun 19, 95Dec 10, 96[G01F]
5369999 Non-full state detecting apparatus and methodExpiredMar 03, 93Dec 06, 94[G01F]
5335553 Fluidic gas meter provided with a printed wiring boardExpiredNov 13, 91Aug 09, 94[G01F]
5218872 Fluidic flowmeter for use with disturbed fluidsExpiredJun 17, 91Jun 15, 93[G01F]
5157974 Fluidic flowmeterExpiredJun 24, 91Oct 27, 92[G01F]
4969363 Electromagnetic flowmeter capable of simultaneous measurement of flow rate and conductivity of fluidExpiredMar 28, 89Nov 13, 90[G01F]
4856345 Method and apparatus for making compensation for DC offset voltage generated in aplifying circuit in electromagnetic flowmeterExpiredApr 12, 88Aug 15, 89[G01F]
4795267 Calorimeter using remanence type electromagnetic flowmeterExpiredJan 29, 87Jan 03, 89[G01K]
4755703 Electric motorExpiredMar 18, 87Jul 05, 88[H02K]
4736634 Magnetic field generating device for electromagnetic flowmeter of residual magnetization typeExpiredDec 16, 86Apr 12, 88[G01F]
4736635 Electromagnetic flowmeterExpiredFeb 10, 87Apr 12, 88[G01F]
4716769 Radial field electromagnetic flow meterExpiredDec 09, 85Jan 05, 88[G01F]
4601209 Electromagnetic flowmeter of the residual magnetism typeExpiredApr 12, 85Jul 22, 86[G01F]
4409846 Electromagnetic flow meterExpiredAug 06, 80Oct 18, 83[G01F]
4306457 Liquid meter comprising a circuit for reducing a detection error resulting from a variable flow rateExpiredNov 14, 79Dec 22, 81[G01F]

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