Sokkia Topcon Co., Ltd.

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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 699
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 258
 
  
 
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 WAVES2107
 
  
 
G03D APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS 115
 
  
 
G06C DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY 13
 
  
 
1004 OTHER MEASURING INSTRUMENTS, APPARATUS AND DEVICES135

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9638523 Surveying systemMar 23, 16May 02, 17[G06C, G01S, G01C]
9383204 Surveying systemNov 18, 11Jul 05, 16[G01C, G01S]
9175958 Electronic levelMar 24, 10Nov 03, 15[G01C]
8570494 Electro-optical distance meterMar 17, 10Oct 29, 13[G01C]
8510964 Electronic level and leveling rod for electronic levelJun 14, 11Aug 20, 13[G01C]
8330097 Angular correction method for rotary encoderOct 17, 07Dec 11, 12[G03D, G01D]
8225518 Manual surveying instrument having collimation assisting deviceMay 29, 09Jul 24, 12[G01C]
D596515 Electronic level instrumentFeb 04, 09Jul 21, 09[1004]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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