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KOUCHI MARUTAKA KK

Overview
  • Total Patents
    52
  • GoodIP Patent Rank
    141,712
  • Filing trend
    ⇩ 100.0%
About

KOUCHI MARUTAKA KK has a total of 52 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1996. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are CHIZHOU TIANJIAN ECOLOGICAL AGRICULTURE DEV CO LTD, INST DE MICROBIOLOGIE SI BIOTEHNOLOGIE AL ACADEMIEI DE STIINTE A MOLDOVEI and SUZHOU CITY XIANGCHENG DISTR XINSHIDAI SPECIAL AQUAFARM.

Patent filings in countries

World map showing KOUCHI MARUTAKA KKs patent filings in countries
# Country Total Patents
#1 Japan 52

Patent filings per year

Chart showing KOUCHI MARUTAKA KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Environmental technology

Top inventors

# Name Total Patents
#1 Takano Hiroshige 52
#2 Ichikawa Saiji 8
#3 Yokogawa Akira 6
#4 Koike Tsuneo 5
#5 Yamaguchi Tadami 4
#6 Yokouchi Seiji 4
#7 Ichikawa Kazuo 2
#8 Saito Kyoji 2
#9 Kato Yoichi 1
#10 Handa Toshihiro 1

Latest patents

Publication Filing date Title
JP2019093816A Amphibian motor car
JP2018193836A Cofferdam construction method
JP2018096042A Main girder for bridge, bridge having same main girder, and bridge construction method
JP2018062279A Catamaran type rescue boat
JP2018062807A Elevated structure inspection device, elevated structure inspection device installation method, and elevated structure inspection method
JP2018062243A Rescue boat
JP2018012350A Self-propulsion type disaster recovery work barge
JP2015143472A Construction method with steel tube pile
JP2015229882A Extensible bridge
JP2015204989A Manually-hoisted gondola
JP2015203207A Soundproof cover set for vibrohammer
JP2015190266A Apparatus and method for performing cutting-processing of object plane such as concrete wall surface in water
JP2015121051A Ruler for installation of steel pipe sheet pile, installation method of steel pipe sheet pile, and turning excavator for use in installation method of steel pipe sheet pile
JP2015113683A Obstruction ground pile driving device and method for driving steel pipe pile into obstruction ground
JP2015101104A Self-propulsion type work ship equipped with heavy machine
JP2015085763A Amphibious working vehicle
JP2015052212A Pier construction method and steel pipe pile construction method
JP2014163113A Drilling rig
JP2014104897A Amphibious working vehicle
JP2015037897A Rescue boat