TOKYO KEIKI INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 2103
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 257
 
  
 
H01Q AERIALS 2108
 
  
 
B62D MOTOR VEHICLES; TRAILERS 190
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1108
 
  
 
H01P WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE 159

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0041,023 RADER LEVEL GAUGEMar 26, 14Feb 11, 16[G01F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9863800 Radar level gaugeMar 26, 14Jan 09, 18[H01P, H01Q, G01F]
9708001 Automatic steering system for working vehicleDec 27, 13Jul 18, 17[B62D]
9541400 Fiber optic gyroscope sensing coil and method of fabricating the sameJun 12, 12Jan 10, 17[G01C]
9121929 Position output device using satellite navigation systemDec 06, 12Sep 01, 15[G01C, G01S]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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