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TOKYO DENSETSU SERVICE KK

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    182,205
  • Filing trend
    0.0%
About

TOKYO DENSETSU SERVICE KK has a total of 30 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1984. It filed its patents most often in Japan. Its main competitors in its focus markets materials and metallurgy, chemical engineering and environmental technology are CATALYSTS & CHEM EUROP, METALS INST CAS and SEKIYUSHIGEN KAIHATSU KABUSHIK.

Patent filings in countries

World map showing TOKYO DENSETSU SERVICE KKs patent filings in countries
# Country Total Patents
#1 Japan 30

Patent filings per year

Chart showing TOKYO DENSETSU SERVICE KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Takeda Yasushi 4
#2 Katagiri Kenji 4
#3 Asa Hiroshi 3
#4 Yoshida Tetsuji 3
#5 Kumada Hitoshi 3
#6 Sano Kazunobu 3
#7 Ito Hidetoshi 2
#8 Yamada Masayoshi 2
#9 Yoshino Koji 2
#10 Ehara Yuji 2

Latest patents

Publication Filing date Title
JP2019194491A Bolt cap and corrosion-prevention method of bolt
JP2019204640A Circuit breaker tester
JP2019049474A Charging measurement device
JP2018162588A Construction method for stopping water leakage and agent therefor
JP2018047390A Collection method and analysis method for insulation oil
JP2017136519A Coating method and coating device of thermoplastic resin
JP2017040558A Life diagnostic method of oil impregnation resin film
JP2013176177A Method of detecting presence or absence of ground faults by utilizing ied
JP2013138558A Water cut-off structure and water cut-off construction method of conduit opening
JP2010236591A Member-member connecting device, and safety device for high-lift working tool
JP2009070638A Faulty insulator detecting method and its device
JP2009011587A Tool for going up and down columnar thing
JP2008006436A Method of manufacturing solid acid catalyst
JP2007130594A Washing device of steel wire rope
JP2007108014A Thickness measurement device for hydraulic iron tube and thickness measurement method therefor
JP2006239183A Tool for climbing columnar body
JP2006238807A Fixture of tree drawing rope
JP2005046719A Apparatus and method for filling paint
JP2004101399A Method and instrument for measuring diameter of linear member
JP2004061213A Plate thickness measuring method of hydraulic means iron tubing