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CHEMICAL GROUT CO

Overview
  • Total Patents
    378
  • GoodIP Patent Rank
    29,721
  • Filing trend
    ⇧ 37.0%
About

CHEMICAL GROUT CO has a total of 378 patent applications. It increased the IP activity by 37.0%. Its first patent ever was published in 1975. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, measurement and environmental technology are LOUIS CLAUDE, DONG A GEOL ENGINEERING CO LTD and KANG IK HI.

Patent filings in countries

World map showing CHEMICAL GROUT COs patent filings in countries

Patent filings per year

Chart showing CHEMICAL GROUT COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shibazaki Mitsuhiro 150
#2 Yoshida Hiroshi 109
#3 Tsuchiya Tsutomu 34
#4 Yokoo Mitsuru 31
#5 Kumegawa Masanori 27
#6 Soma Hiroshi 22
#7 Kubo Hiroaki 22
#8 Kotaki Yutaka 21
#9 Horii Kiyoyuki 14
#10 Abe Hiroyuki 13

Latest patents

Publication Filing date Title
JP2020204222A Earth retaining wall construction method
JP2020186598A Soil sampling method of ground improvement portion, and device of the same
JP2020111975A Ground improvement method
JP2020105693A Reinforcement method of existent structure foundation
JP2020090777A Filling material
JP2020063618A Support structure and support method for side pressure resistant structure
JP2020041268A Ground improvement method
JP2020007712A Quality management method of mixing construction method using high pressure injection
JP2019190923A Measurement device and measurement method of underground pipe
JP2019183593A Affixing and freezing method
JP2019157551A Quality management system of ground improvement body, and ground improvement method
JP2019148104A Ground freezing method
JP2019132090A Drilling bit
JP2019127789A Drilling bit
JP2019108759A Promotion device of sludge discharge and ground improvement method
JP2019105062A Backfilling construction method of underground pipeline
JP2019104805A Filling material
JP2019082049A Freezing pipe and freezing method
JP2018013036A Hole-drilling method
JP2017155589A Ground improvement management method and device