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YOKOHAMA CITY

Overview
  • Total Patents
    46
  • GoodIP Patent Rank
    183,143
  • Filing trend
    ⇩ 100.0%
About

YOKOHAMA CITY has a total of 46 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1997. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and materials and metallurgy are ROSTOVSKIJ INZH STR INST, NAKASO NOBUMASA and CHINA HI MENT CORP.

Patent filings in countries

World map showing YOKOHAMA CITYs patent filings in countries
# Country Total Patents
#1 Japan 46

Patent filings per year

Chart showing YOKOHAMA CITYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Abe Yoshio 3
#2 Yamamoto Yutaka 3
#3 Shirakawa Masahiro 3
#4 Kurihara Shigeru 3
#5 Kiyozuka Masahiko 3
#6 Sato Mamoru 2
#7 Hashimoto Hiroshi 2
#8 Matsunaga Takeo 2
#9 Muroi Tei 2
#10 Tashiro Genki 2

Latest patents

Publication Filing date Title
JP2020190262A Replacement method of fluid equipment and equipment replacement jig
JP2020190261A Replacement method of fluid equipment and equipment replacement jig
JP2019078021A Wash faucet
JP2019074334A Method of estimating and predicting corrosion state of embedded metal structure and measuring prove used therefor
JP2018172885A Method of installing strainer for removing tap water foreign matter and method of working water pipe arrangement
JP2017049241A Water pressure tester
JP2016023500A Stand pipe
JP2015045373A Renewal method of conduit and conduit
JP2015040600A Branch pipe
JP2014222075A Device for confirmation-checking of installed state of rust prevention core at water feed pipe branch hole for branching from water service pipe or the like
JP2013221333A Connection joint of meter box for water service and holder
JP2013185682A Anti-corrosion device and anti-corrosion method for pipe cut surface
JP2013092180A Confirmation inspection method of adhering core attachment state in feed water pipe branch hole from water distribution pipe or the like, and its confirmation inspection device
JP2012241659A Power generation device using residual pressure of water supply facility
JP2012110300A Experimental method and apparatus for water purification and water retention by forest soil
JP2012047294A Distributing water pipe, distributing water pipe with snap tap and burying method thereof
JP2011219930A Mobile sound barrier
JP2010134021A Method and device for feeling water hammer pressure
JP2008025342A Automatic determination database system for re-maintenance plan of existing pipe based on evaluation result of state in existing pipe
JP2009048368A Operation general condition management device, operation general condition management method