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SOKKIA CO LTD

Overview
  • Total Patents
    447
About

SOKKIA CO LTD has a total of 447 patent applications. Its first patent ever was published in 1990. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets measurement, optics and semiconductors are CHANGZHOU XINRUIDE INSTR CO LTD, SOKKIA TOPCON CO LTD and FEIST WIELAND.

Patent filings per year

Chart showing SOKKIA CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakamura Yutaka 50
#2 Nagao Takashi 22
#3 Chiba Minoru 20
#4 Ichikawa Yukihisa 20
#5 Endo Masamitsu 19
#6 Kikawa Hayami 19
#7 Sasaki Koji 18
#8 Ohashi Yuichi 17
#9 Tanaka Masayoshi 16
#10 Ogawa Kunitoshi 15

Latest patents

Publication Filing date Title
JP2008216007A Connection adaptor
JP2008039600A Surveying equipment with light split by dichroic prism
JP2007327862A Surveying device
JP2007303850A Light wave range finder
JP2007298372A Light-wave distance meter
JP2007285967A Laser length measuring machine
JP2007232663A Inclined angle detector
JP2007225428A Tilt angle detector
JP2007218728A Range finder
JP2007218722A Tilt angle sensor
JP2007212291A Auto-collimation device of surveying instrument
JP2007212222A Propulsion apparatus position-measuring system
JP2007205901A Light-wave distance meter
JP2007198942A Rotary encoder
JP2007187857A Reflector device
JP2007178320A Rotary encoder
JP2007170978A Survey machine and remote management system of the survey machine
JP2007163313A Absolute encoder
JP2007163243A Method for transmitting and receiving information between surveying instruments
JP2007155660A Light wave range finder