Learn more

DAIDO SIGNAL CO LTD

Overview
  • Total Patents
    166
  • GoodIP Patent Rank
    48,016
  • Filing trend
    ⇧ 33.0%
About

DAIDO SIGNAL CO LTD has a total of 166 patent applications. It increased the IP activity by 33.0%. Its first patent ever was published in 1988. It filed its patents most often in Japan. Its main competitors in its focus markets electrical machinery and energy, transport and civil engineering are CIE GEN DE SIGNALISATION, LESLIE HURST PETER and UNIPART RAIL LTD.

Patent filings in countries

World map showing DAIDO SIGNAL CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 166

Patent filings per year

Chart showing DAIDO SIGNAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harima Yoshinori 19
#2 Suzuki Isamu 16
#3 Miyaji Masakazu 12
#4 Mae Tomoaki 10
#5 Ishikawa Susumu 8
#6 Sumiyama Yoshihiro 8
#7 Mizuno Takeshi 7
#8 Moriyama Yukio 7
#9 Hiromitsu Tsutomu 6
#10 Suzuki Tsutomu 6

Latest patents

Publication Filing date Title
JP2021003923A Train approach warning device
JP2020167575A Old and new bp conversion device
JP2020152172A Rail breakage detection device
JP2020125077A Lock deviation detector
JP2020100242A Railroad crossing obstacle detection device
JP2020032940A Fail-safe control device for railway equipment
JP2020030896A Mobile adapter
JP2019192489A Power supply switch for railroad
JP2019179715A Digital time element relay
JP2019147532A Track circuit transmitter
JP2019142439A Crossing security device
JP2019131084A Axle detection device
JP2019043448A Track short-circuit unit
JP2018167715A Axle counter
JP2018167707A Railroad-crossing obstacle detecting device
JP2018167701A Railroad signal facility monitoring support program
JP2018135052A Railway crossing gate
JP2018118595A Obstacle detection device in railway crossing
JP2018091694A Wheel Detector
JP2018085216A Relay drive circuit with fail-safe low voltage detection circuit