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TOA KOKYU KEISHU VALVE

Overview
  • Total Patents
    58
About

TOA KOKYU KEISHU VALVE has a total of 58 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan. Its main competitors in its focus markets machines, mechanical elements and materials and metallurgy are FUJIPURA SEIKO KK, OK I T BJURO RASFASOVOTSCH and CLOTILDE JACQUES.

Patent filings in countries

World map showing TOA KOKYU KEISHU VALVEs patent filings in countries
# Country Total Patents
#1 Japan 58

Patent filings per year

Chart showing TOA KOKYU KEISHU VALVEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kumagai Masaru 37
#2 Fukuhara Yoshihiro 27
#3 Kishida Yoshiyuki 5
#4 Nishimura Shunichi 4
#5 Kishida Yoshihiro 1
#6 Baba Hideaki 1
#7 Minami Masabumi 1
#8 Matsubara Minoru 1

Latest patents

Publication Filing date Title
JPH1067049A Joining of plate-shaped resin materials
JPH09170694A Slip-off preventive device for electrofusion joint metal fitting
JPH1024490A Bonding method of synthetic resin product
JPH1019183A Branch pipe joint
JPH1018367A Freezing preventive method of eater pipe and device therefor
JPH1021987A Water-proofing method for terminal for electric connection
JPH09280467A Pipe joint
JPH09280462A Branch pipe joint
JPH09280461A Branch pipe joint
JPH09257183A Manufacture of large diameter pipe joint having heating element
JPH09257156A Pipe insertion device into large diameter fitting
JPH09254263A Connection of large diameter synthetic resin pipe and metal pipe
JPH09254251A Large bore synthetic resin pipe bending apparatus
JPH09254272A Production of large diameter pipe joint
JPH09254271A Production of large diameter pipe joint
JPH09257181A Manufacture of saddle-shaped base body of saddle-shaped branch pipe
JPH09203492A Electro-fusion joint
JPH08258154A Electric fusion bonding apparatus for resin product
JPH08258155A Electric fusion bonding apparatus for resin product
JPH09131798A Connecting method of plate-like resin material