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HAYASHI SOJI KK

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    194,881
  • Filing trend
    ⇩ 100.0%
About

HAYASHI SOJI KK has a total of 15 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2000. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering are BALTENSPERGER RUDOLF, EDILON BV and NEWSTYLE NOMINEES PTY LTD.

Patent filings in countries

World map showing HAYASHI SOJI KKs patent filings in countries
# Country Total Patents
#1 Japan 15

Patent filings per year

Chart showing HAYASHI SOJI KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Machines for making railways
#2 Construction of bridges

Top inventors

# Name Total Patents
#1 Hayashi Hajime 14
#2 Oka Kazumi 1
#3 Hayashi Kennosuke 1
#4 Tagami Keita 1

Latest patents

Publication Filing date Title
JP2019094735A Sleeper with buckling prevention function and movement prevention function
JP2017071349A Opening/closing door for evacuation of pedestrian in railway crossing and gate
JP2017020206A Rail buckling and movement prevention security device
JP2017008587A Fitting device for derailment prevention guard
JP2015224520A Bolt-nut whirl-stop metal fitting
JP2014091914A Light-weight steel sleeper
JP2014062394A Vibration/impact noise reduction device for rail joint
JP2014040741A Ballast tamping tool
JP2012087505A Tie fixing device for iron bridge
JP2012052294A Insulation connecting device for iron sleeper
JP2010229642A Protection system for preventing rail buckling
JP2010018950A Height adjustment type sleeper, preparatory assembly for height adjustment type sleeper, and manufacturing method for height adjustment type sleeper
JP2003096701A Thrust transfer rod for railroad and switch-and-lock movement apparatus for railroad
JP2002212901A Sleeper coupling device and railway branching device
JP2002038403A Railway branching device