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DAITETSU KOGYO KK

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    144,965
  • Filing trend
    ⇧ 300.0%
About

DAITETSU KOGYO KK has a total of 26 patent applications. It increased the IP activity by 300.0%. Its first patent ever was published in 1983. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and civil engineering are XIAOMAN MO, HYLE JACOB ALVIN and UAN ZOLI BORIS L.

Patent filings in countries

World map showing DAITETSU KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 26

Patent filings per year

Chart showing DAITETSU KOGYO KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Sakamoto Akira 7
#2 Kono Eiji 5
#3 Yamazaki Shimizu 4
#4 Nakanishi Itsuo 3
#5 Yoho Riyuuichi 3
#6 Tezuka Minoru 3
#7 Kadota Katsuhiro 3
#8 Nishida Tetsuo 3
#9 Oda Kazuo 2
#10 Morita Mitsugi 2

Latest patents

Publication Filing date Title
JP2020117177A Transport vehicle in railway tunnel
JP2020049590A Rail drill machine
JP2019206858A Bolt untightening device
JP2019178489A Two-head type bolt fastening/loosening device
JP2019145266A Warning light for track maintenance work
JP2018119377A Girder repair device and girder repair method
JP2018091051A Construction girder installation device and construction girder installation method
JP2018011517A Grass mower wheel
JP2018009346A Seismic isolator installation method
JP2017132416A Rail monitoring device
JP2016166470A Rail replacer
JP2015203285A Rail bearer
JP2012237110A Method of replacing railway rail
JP2012188901A Tunnel construction method and tunnel construction system
JP2011206025A Weeding method, weeder, and weeding vehicle
JP2006188151A Train approach alarming system
JP2004001747A Monorail working vehicle
JP2004215960A Lifeline fastener
JP2000160724A Sound insulating panel and its production
JP2000008304A Pedestal for rail road work beam and execution method of pedestal for rail road work beam