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SANWA TEKKI CORP

Overview
  • Total Patents
    614
  • GoodIP Patent Rank
    24,335
  • Filing trend
    ⇩ 31.0%
About

SANWA TEKKI CORP has a total of 614 patent applications. It decreased the IP activity by 31.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and France. Its main competitors in its focus markets mechanical elements, transport and environmental technology are Z VTUZ KY POLT I, WEN HEPING and Lisega SE.

Patent filings in countries

World map showing SANWA TEKKI CORPs patent filings in countries

Patent filings per year

Chart showing SANWA TEKKI CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yukita Nobutaka 44
#2 Tamura Izumi 33
#3 Sagota Katsuaki 33
#4 Noda Hiroshi 22
#5 Ueno Hiroaki 22
#6 Sasaki Shiyouji 22
#7 Kanamaru Yasutaka 21
#8 Aoki Masaru 21
#9 Iida Mizuho 21
#10 Tajima Hiroshi 18

Latest patents

Publication Filing date Title
JP2020167819A Pilot rope attaching/detaching device of drone for power transmission line extension work
JP2020165147A Expansion rail device for railway work vehicles
JP2020153382A Shock absorber
JP2020142544A Suspension device for overhead power line for train track
JP2019011049A Vibration absorption support member for messenger cable in railroad track and support structure using the same
JP2019173423A Bicycle storage
JP2019043537A Trolley wire protective covering
JP2019171921A Trolley wire flexure device
JP2019167971A Impact absorber
JP2019165563A Braking device for collecting suspended objects under overhead wire
JP2019162943A Tension balancer of electric car wire
JP2019165562A Emergency braking device for collecting suspended objects under overhead wire
JP2019162944A Tension balancer of electric car wire
JP2019162650A Single acting hydraulic compression tool
JP2019152301A Vibration resistance reinforcing vibration isolation device of building
JP2019113110A Pipe support structure
JP2019100027A Vehicle storage position adjustment device in lateral yarding device for railroad work vehicle
JP2019010901A Pull-off pulley device for trolley wire extension work
JP2019001337A Vibration absorption device of overhead power line
JP2018203096A Vibration absorption device for trolley wire