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CHIKEN KOGYO KK

Overview
  • Total Patents
    22
About

CHIKEN KOGYO KK has a total of 22 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are E HENG TECHNOLOGY CO LTD, JIANGSU RUIXIANG ELECTRONIC EQUIPMENT CO LTD and YONG WEI.

Patent filings in countries

World map showing CHIKEN KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 22

Patent filings per year

Chart showing CHIKEN KOGYO KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Miyaji Toshio 14
#2 Tashiro Naoto 6
#3 Kazumori Seiichi 6
#4 Arakawa Tomoyuki 6
#5 Nishio Kimitaka 2
#6 Sasaki Yasuo 1
#7 Okamoto Katsumi 1

Latest patents

Publication Filing date Title
JP2007113342A Method of reinforcing foundation
JPH11315690A Small-bore pipe propulsion device
JP2000248892A Slurry treatment equipment for slurry pressurizing and driving
JP2000160982A Slurry pressure pipe jacking slurry treating device
JP2000160994A Heavy slurry type small bore pipe jacking device and heavy slurry type small bore pipe jacking method
JPH11247593A Slurry bypass device in excavating machine
JPH11247588A Connecting body for slurry pressuring and driving
JPH11247589A Slurry pressuring type small-diameter pipe driving equipment and slurry pressuring type small-diameter pipe driving method
JPH10114954A Manhole body block applied to small-bore pipe jacking and method of manhole construction
JPH10176329A Temporary anchor and temporary anchor execution working method
JPH10140603A Manhole pit excavating device and construction method for manhole pit excavating
JPH10140590A Manhole skeleton block, manhole construction method and underground structure
JPH10131271A Filter device for manhole pit mouth
JPH09125432A Shaking press-in casing and construction of manhole
JPH09125365A Chemical grouting device and chemical grouting method
JPH0960020A Manhole building block and method for constructing manhole