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TEKKEN CONSTR CO

Overview
  • Total Patents
    522
  • GoodIP Patent Rank
    75,567
  • Filing trend
    ⇩ 37.0%
About

TEKKEN CONSTR CO has a total of 522 patent applications. It decreased the IP activity by 37.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and United Kingdom. Its main competitors in its focus markets civil engineering, measurement and environmental technology are NTS ENGINEERING & CONSTRUCTION, KANG NUNG CONSTRUCTION CO LTD and SHANGHAI MINIE TECH CO LTD.

Patent filings per year

Chart showing TEKKEN CONSTR COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Saito Masaharu 42
#2 Kumai Fumitaka 35
#3 Uchida Yoshiaki 34
#4 Kasuya Taro 33
#5 Chijiiwa Mitsuo 32
#6 Horimatsu Kazuo 31
#7 Matsuoka Shigeru 31
#8 Morita Takeo 26
#9 Yamamura Yasuo 21
#10 Kobayashi Shigeru 17

Latest patents

Publication Filing date Title
JP2021006695A Exfoliation prevention sheet of concrete structure and exfoliation prevention method of concrete structure
JP2020117928A Tunnel repairing method and repairing device for existing tunnel
JP2020056201A Tunnel repair method
JP2020001876A Electric chain block, drive measurement instrument, and system using the same
JP2019183420A Drill head, drill machine, and method for construction of borehole
JP2019148505A Running inclination measuring device and running inclination measuring method
JP2019078516A Blast protection material
JP2019073864A Horizontal boring method and device
JP2019007305A Invert pier and tunnel invert construction method
JP2019007261A Control system to stabilize water level in hole for cast-in-place pile
JP2018178430A Exfoliation prevention structure of concrete structure
JP2018162864A Pipe conduit manufacturing device and method
JP2018141327A Measurement management system, construction support system, measurement management method, and construction support method
JP2018127846A Silencer for tunnel and silencer system
JP2018104951A Rockfall protective device
JP2018096159A Support column reinforcement construction method
JP2018016982A Tunnel blasting sound reduction device
JP2017155463A Lifting support column and lifting device
JP2017125321A Belt conveyor lifting device
JP2016216920A Continuous core drill method