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TOKYO METROPOLITAN GOV

Overview
  • Total Patents
    347
  • GoodIP Patent Rank
    172,286
  • Filing trend
    ⇩ 100.0%
About

TOKYO METROPOLITAN GOV has a total of 347 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1985. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, measurement and materials and metallurgy are EBARA INFILCO, SAKAMOTO YOSHIJI and OGAWA KANKYO KENKYUSHO KK.

Patent filings in countries

World map showing TOKYO METROPOLITAN GOVs patent filings in countries
# Country Total Patents
#1 Japan 347

Patent filings per year

Chart showing TOKYO METROPOLITAN GOVs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Minami Takeshi 12
#2 Murakami Shinichi 9
#3 Ogata Koji 8
#4 Kitamura Kiyoaki 8
#5 Kataoka Seiji 7
#6 Hosaka Yukihisa 7
#7 Nakai Takaaki 6
#8 Suzuki Yoshiaki 6
#9 Mizuno Masaki 6
#10 Sakamoto Tatsuya 6

Latest patents

Publication Filing date Title
JP2021000276A Water treatment system, and water treatment method
JP2020175475A Pin extraction jig
JP2017125607A Valve key
JP2017109170A Aeration control apparatus, and aeration control method
JP2017009478A Installation structure of immersion pressure type water gauge
JP2016036745A N2o decomposition treatment system by utilization as feed gas for sewage sludge incinerator
JP2016013498A Apparatus and method for aerating/purifying contaminated water
JP2015175316A Lubricating oil supply equipment and supply method
JP2015063642A Additive for press-feeding dewatered sludge, and method for press-feeding dewatered sludge
JP2015031335A In-pipe work device
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JP2013033511A Method and device for identifying authenticity of coin using acoustic property
JP2011226246A Vortex flow type water level control device for drainage system
JP2012073108A Sampling container
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JP2009294693A Genuine/counterfeit determination method and device for coin using acoustic property
JP2009236619A Content measuring instrument of chloramines
JP2009167707A Method for compacting and reducing volume of reclaimed ground in revetment
JP2009128294A Method and device for inspecting defect of coating of internal surface of metallic pipe
JP2009092598A Water mater