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YOSHIKAWA KAIJI KOGYO KK

Overview
  • Total Patents
    17
About

YOSHIKAWA KAIJI KOGYO KK has a total of 17 patent applications. Its first patent ever was published in 1983. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, civil engineering and machine tools are IKEHATA KK, KOKUDO SOGO KENSETSU KK and FREE KOGYO KK.

Patent filings in countries

World map showing YOSHIKAWA KAIJI KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 17

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Yoshida Junichi 8
#2 Yoshikawa Yukio 5
#3 Suzuki Nobuyuki 4
#4 Furuya Akio 4
#5 Toyooka Haruo 4
#6 Yoshikawa Hideki 2
#7 Nishida Shinkichi 1
#8 Ikeda Etsuhiro 1
#9 Sato Takao 1

Latest patents

Publication Filing date Title
JP2010090768A Circulation pipe line type power generation device
JP2002242152A Wall surface construction method of concrete moulding and its joint wall surface
JP2002242151A Joint method of concrete molding
JPH11107234A Precast board for covering structure
JPH11100939A Reinforced concrete or reinforced concrete slab and fiber strip to be used therefor
JPH10317349A Method for integrating cover form with structure and its integrated structure
JPH083979A Method and device for sealing water at joint of steel pipe pile
JPH0790824A Temporary construction of formwork for concrete deposition to both wall surfaces of continuous steel pipe sheet pile structure
JPH0771017A Fitting and temporary installation method of concrete form on steel structural bulkhead wall face, and apparatus therefor
JPH0771018A Working method of disposable form of concrete lining on revetment wall
JPH0754371A Method of fitting and temporary-fitting concrete placing form to steel structure revetment wall
JPH0525835A Corrosion-resistant, reinforcing cover of concrete for steel tubular pile
JPH059949A Concrete reinforcing and corrosion preventing cover on steel structure
JPH0560670A Strength judgement of stud welding and device thereof
JPS619980A Underwater stud welding device
JPS60129325A Method of puring concrete in underwater form
JPS59126826A Corrosion-resistant and reinforced underwater steel structure and underwater corrosion preventive and reinforcing work