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OZAWA CONCRETE IND CO LTD

Overview
  • Total Patents
    15
About

OZAWA CONCRETE IND CO LTD has a total of 15 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and materials and metallurgy are KARUI KK, INST PRZEMYSLU TWORZYW I FARB and MARUTAKA CONCRETE KOGYO KK.

Patent filings in countries

World map showing OZAWA CONCRETE IND CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 15

Patent filings per year

Chart showing OZAWA CONCRETE IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tsuruta Takeshi 4
#2 Ozawa Manzo 3
#3 Kobayashi Masayuki 2
#4 Kaneda Shinichi 1
#5 Akiyoshi Yoshio 1
#6 Yoshida Mitsutake 1
#7 Kunishima Norihiro 1
#8 Tanaka Takeshi 1
#9 Naito Takashi 1
#10 Tobe Hiroyoshi 1

Latest patents

Publication Filing date Title
JP2003184159A Storage infiltration tank
JP2003081681A Method of producing polymer-impregnated concrete
JP2002339438A Rainwater permeation facilities having mud accumulating tank
JP2002136983A Floating island comprising porous concrete
JP2001347517A Decorative form
JP2001295355A Penetrating facility for road and its construction method
JP2001288702A Greening road surface structure and method for constructing the same
JP2001280089A Reinforcing method when placing concrete in high- strength buried form and repairing method for tunnel wall
JP2001200520A Porous concrete product, method for producing the same, and method for installing the same
JP2001040620A Soundproof wall formed of precast concrete, and method for constructing the same
JP2000170220A Underground storage infiltration facilities doubles as water utilization and service water
JP2000045433A Form fitting method and work execution method of concrete structure
JP2000045371A Installation method for rain water permeation facility
JPH11193640A Repairing method of existing concrete structure and construction method of newly provided concrete structure
JPH11156326A Solidification of fly ash