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KOSHIN SEIKOSHO CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    198,480
  • Filing trend
    ⇩ 100.0%
About

KOSHIN SEIKOSHO CO LTD has a total of 22 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1979. It filed its patents most often in Japan. Its main competitors in its focus markets mechanical elements, computer technology and control are HARBIN GENERAL HYDRAULIC MACHINERY MFG CO LTD, REXROTH CORP and CHENGDU OUXUN MARINE ENGINEERING EQUIPMENT CO LTD.

Patent filings in countries

World map showing KOSHIN SEIKOSHO CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 22

Patent filings per year

Chart showing KOSHIN SEIKOSHO CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Shikama Toshio 6
#2 Takada Kan 4
#3 Nakamura Kotaro 3
#4 Kitazawa Kenichi 3
#5 Ahiko Yuichi 3
#6 Degawa Kiyoshi 3
#7 Mizushima Fumio 2
#8 Wakabayashi Yusuke 2
#9 Noro Makoto 2
#10 Kudou Mutsuo 2

Latest patents

Publication Filing date Title
JP2020182288A Collector shoe device
JP2020182289A Collector head and power collector shoe device
JP2018137834A Pantagraph device
JP2018137833A Power collector shoe device
JP2018137835A Power collection ship device
JP2003023701A Pantograph device for car with snow-melting mechanism
JP2002250304A Roof-plate opening/closing device for wing vehicle
JP2001082409A Auxiliary machine driving device for railway rolling stock
JP2000001186A Gate balancer for truck
JPH1089037A Internal combustion engine
JPH09301158A Door closing confirming device
JPH09303321A Double-acting hydraulic cylinder
JPH09301159A Door opening and closing device
JPH09301160A Door opening and closing device
JPH09222102A Hydraulic actuator
JPH07154957A Torque-controllable rotation driving device
JPH07145777A Pump device for two liquid mixing
JPH07131970A Magnetic force type torque controller
JPS56129927A Digital arbitrary function generator
JPS56129910A Numerical controller