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WATERWORKS TECHNOLOGY DEV ORG

Overview
  • Total Patents
    329
  • GoodIP Patent Rank
    15,677
  • Filing trend
    ⇧ 20.0%
About

WATERWORKS TECHNOLOGY DEV ORG has a total of 329 patent applications. It increased the IP activity by 20.0%. Its first patent ever was published in 1998. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets mechanical elements, machines and civil engineering are GILL AJIT SINGH, MANNESMANN & IBS NAGEL MANIBS and CHUCHU DECAYEUX.

Patent filings per year

Chart showing WATERWORKS TECHNOLOGY DEV ORGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Totsugi Hiroyuki 36
#2 Saito Kikuo 31
#3 Sakai Atsushi 28
#4 Mori Mitsuhiro 25
#5 Nagamori Yasuyuki 24
#6 Tabuchi Masashi 23
#7 Shimizu Haruhiko 23
#8 Maenishi Tamotsu 19
#9 Horikawa Takeshi 19
#10 Totsugi Akito 17

Latest patents

Publication Filing date Title
WO2020235594A1 Gate valve
JP2020079647A Separation prevention device of fluid pipe and separation prevention method of fluid pipe
JP2021004641A Fluid apparatus connection structure of fluid pipe, joint ring for use in the same and fluid pressure test jig
JP2021003752A Jig and method for installing flange reinforcing tool
WO2020255325A1 Separation prevention structure for pipe connection part
JP2021001626A Separation prevention structure of pipe connection portion
WO2020012820A1 Housing device and method for mounting housing device
JP2020190323A Gate valve and method for installing the same
JP2020190324A Gate valve and method for installing the same
JP2020186758A Valve installation method, and valve installation facility and valve device used in valve installation method
JP2020185616A Fluid pipe full-cut cutting method and full-cut cutting device
JP2020165513A Seal end part adhesion auxiliary jig and adhesion method of seal material using seal end part adhesion auxiliary jig
JP2020165448A Repair valve for work and working method using repair valve for work
JP2020159383A Branch pipe repair device
JP2020143739A Pipe joint structure
JP2019090542A Leakage prevention device of flange joint part
JP2020139516A Leakage prevention device of flange joint part
JP2020094608A Branch pipe device
JP2020085136A Installation structure of valve lid, installation method and removal method
JP2020063828A Housing device