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TETSUDO KIZAI KOGYO CO LTD

Overview
  • Total Patents
    70
  • GoodIP Patent Rank
    191,818
About

TETSUDO KIZAI KOGYO CO LTD has a total of 70 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and France. Its main competitors in its focus markets civil engineering and environmental technology are VAUGHAN DAVID FISHER, ASSELIN JAMES H and SCHEUCHZER ALFRED.

Patent filings in countries

World map showing TETSUDO KIZAI KOGYO CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 49
#2 United States 6
#3 France 5
#4 Brazil 3
#5 United Kingdom 3
#6 Australia 2
#7 Canada 2

Patent filings per year

Chart showing TETSUDO KIZAI KOGYO CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Matsuo Yoshio 23
#2 Matsuo Hideto 11
#3 Arai Eiichi 8
#4 Matsubara Kentaro 7
#5 Suzuki Toyohito 5
#6 Nakamura Kazuo 5
#7 Suzuki Daichi 4
#8 Toyama Shigetaro 3
#9 Toyama Shigetarou 3
#10 Hachisuga Kiyoshi 2

Latest patents

Publication Filing date Title
JP2020097882A Track pad and polyamide resin composition for track pad suitable for manufacturing the same
JP2018104966A Anti-derailment guard angle support apparatus
JP2017197918A Leaf spring clip and rail fastening device using the same
JP2017106290A Sleeper height adjusting type vibration control device
JP2017095941A Sleeper anti-vibration device
JP2017048633A Rail fastening device with screw shoulder
JP2015014131A Rail clearance filling unit
JP2012067569A Spring clip rotation type rail fastening device
JP2011102476A Rail fastening and adjusting unit making horizontal position adjustable
JP2010255249A Ballasted elastic sleeper for transition to elastic direct-coupled track
JP2008240473A Derailed train traveling apparatus
JP2008240472A Derailed wheel restoration device
JP2008013977A Rail fastening device with screw-type shoulder
JP2007107701A Looseness preventive device of bolt or nut
JP2005264567A Crushing structure of frozen snow sticking to railroad crossing board
JP2005264568A Ice and snow melting device for railroad crossing board
JP2003179652A Power supply serial communication system
JP2003124947A Daisy chain data input/output system by serial communication system
JP2003014660A Substance concentration measuring instrument
JP2002263675A Activated sludge-circulating water cleaning facility