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NIPPON KOATSU CONCRETE KK

Overview
  • Total Patents
    94
About

NIPPON KOATSU CONCRETE KK has a total of 94 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan. Its main competitors in its focus markets materials and metallurgy, environmental technology and machines are FULGURIT BAUSTOFFE GMBH, ALPS KK and TELNITE LTD.

Patent filings in countries

World map showing NIPPON KOATSU CONCRETE KKs patent filings in countries
# Country Total Patents
#1 Japan 94

Patent filings per year

Chart showing NIPPON KOATSU CONCRETE KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamada Satoru 35
#2 Ishikawa Takashi 28
#3 Ishitani Mitsuo 23
#4 Hayashi Mitsutoshi 15
#5 Tokuda Hiroshi 10
#6 Komori Akihiko 5
#7 Nakazawa Katsuhito 4
#8 Yamanaka Noriaki 3
#9 Nagashima Shingo 3
#10 Fujita Akitaka 3

Latest patents

Publication Filing date Title
JP2012144914A Unsolidified liquid sampling device
JP2011111770A Friction cutter
JP2011080313A Precast steel pipe concrete composite pile and manufacturing method therefor
JP2010216128A Pile locking device and pile locking method
JP2010090598A Infiltration manhole
JP2009197554A Concrete pole
JP2008082101A Opening/closing detector for enlarged diameter blade
JP2008069597A Method and jig for preventing weldlessly bonded pile from being retained at high level
JP2005200824A Immersion method for pile and cutter plate
JP2005186529A Manufacturing method of synthetic concrete box
JP2005187275A Fire-resisting and heat-resisting concrete and its manufacturing method
JP2005186443A Method and apparatus for manufacturing centrifugally molded concrete product
JP2005119057A Manufacturing method of segment for shield tunnel
JP2005226219A Axial direction joint of concrete segment
JP2005083154A Foundation pile structure using prefabricated concrete pile, and construction method of foundation pile
JP2005076234A Excavating agitator
JP2004324273A Diameter enlarging device of auger drill
JP2004324272A Auger drill
JP2004324271A Soil discharge suppressing device of auger drill
JP2004324274A Fluid jetting device of auger drill