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KOATSU CO LTD

Overview
  • Total Patents
    91
  • GoodIP Patent Rank
    30,519
  • Filing trend
    ⇩ 30.0%
About

KOATSU CO LTD has a total of 91 patent applications. It decreased the IP activity by 30.0%. Its first patent ever was published in 1996. It filed its patents most often in Japan, United States and Canada. Its main competitors in its focus markets civil engineering, machines and control are PROTECTOR SAFETY IND LTD, WILLIAMS FIRE & HAZARD CONTROL and INVENTION TECH PTY LTD.

Patent filings per year

Chart showing KOATSU CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yabushita Masahiro 52
#2 Inoue Yasufumi 40
#3 Kamo Mitsunori 29
#4 Inoue Yasushi 22
#5 Okamoto Akito 10
#6 Watanabe Keiichiro 5
#7 Kawagishi Toshihiro 4
#8 Wakabayashi Isao 4
#9 Yoneda Yusaku 3
#10 Hasegawa Taketoshi 3

Latest patents

Publication Filing date Title
TW202026040A Spray head for liquefied fire-extinguishing agent
JP2020054658A Gas-based fire extinguishing equipment
EP3626313A1 Spray head for liquefied fire-extinguishing agent
JP2019117129A Air duct structure of wind tunnel device
US2020353300A1 Injection head having silencing function for gas-type fire extinguisher and method for storing and assembling thereof
JP2019103600A Fire model and performance evaluation method of gaseous fire-extinguishing equipment using the same
JP2018189099A High pressure vessel
JP2017192722A Low-air speed gas system fire-extinguishing system
JP2018105916A Display device for gas-based fire extinguishing system
CA3027323A1 Fire extinguisher
JP2017000739A Prevention device of execution omission of work item
JP2016209570A Fire-extinguisher
JP2017185043A Gaseous system extinguishing system having a starting gas conduit in starting gas conduit
JP2016209096A Fire-extinguishing agent storage container
JP2015229066A Differential pressure container valve
JP2013192960A Spray head for gaseous fire extinguishing equipment having silencing function
JP2013169472A Jet head with silencing function for gas type fire extinguishing equipment
TW201345584A Injection head having silencing function for gas-type fire extinguisher
JP2012233592A Constant flow rate valve
JP2013192764A Spray head for gaseous fire extinguishing equipment having silencing function