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MITSUI CONSTR

Overview
  • Total Patents
    2,883
About

MITSUI CONSTR has a total of 2,883 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, environmental technology and materials and metallurgy are KUMAGAI GUMI CO LTD, KAJIMA CORP and TAKENAKA KOMUTEN CO.

Patent filings in countries

World map showing MITSUI CONSTRs patent filings in countries

Patent filings per year

Chart showing MITSUI CONSTRs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Okamoto Sunao 164
#2 Inoue Kazutoshi 144
#3 Tamura Tomio 141
#4 Nakai Sakae 128
#5 Takada Tomonori 115
#6 Uozumi Masataka 115
#7 Matsubara Sumiyuki 95
#8 Sada Tatsunori 90
#9 Kurosaki Yukio 85
#10 Ito Tatsuo 85

Latest patents

Publication Filing date Title
JP2003184475A Tunnel re-laying apparatus
JP2003185435A Apparatus for measuring inner surface of rectangular body
JP2003184030A Wall-type pier
JP2003170017A Scrubber tank for dust collector
JP2003172040A Vibration damping wall
JP2003155776A Vibration resistant design processing method taking earthquake risk as index, vibration resistant design processor and program for it
JP2002161580A Multiple dwelling house structure
JP2003139533A Method and apparatus for measuring road infrastructure
JP2003132296A Earthquake damage predicting method for building, optimum condition determination processing method used therein and their programs
JP2003129652A Baseboard
JP2003119924A Magnetic reduction device and its method
JP2003114219A Elastic wave propagation velocity measuring and operating method and nondestructive compressive strength testing device using the method
JP2003113698A Lining device for shaft
JP2003106084A Method for exchanging kibbles in shaft excavation
JP2003088768A Crusher
JP2003097057A Earthquake resistant reinforcing structure and method for existing building
JP2002129868A Apparatus and method for lining shaft
JP2003082869A Boardlike house
JP2003082868A Multiple dwelling house
JP2003066155A Method and apparatus for detecting ground and mountain states