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TOKYO YOGYO KK

Overview
  • Total Patents
    1,415
  • GoodIP Patent Rank
    12,056
  • Filing trend
    ⇧ 12.0%
About

TOKYO YOGYO KK has a total of 1,415 patent applications. It increased the IP activity by 12.0%. Its first patent ever was published in 1962. It filed its patents most often in Japan, United States and Canada. Its main competitors in its focus markets materials and metallurgy, environmental technology and measurement are VESUVIUS CRUCIBLE CO, AKECHI TAIKARENGA KK and HENAN TONGYU METALLURG MATERIALS GROUP CO LTD.

Patent filings per year

Chart showing TOKYO YOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ariga Kikuo 136
#2 Soeda Tomomi 115
#3 Koike Yasuta 95
#4 Kawamoto Eiji 87
#5 Tochikubo Shigeo 86
#6 Yoshida Takeshi 83
#7 Yamamoto Kimiji 75
#8 Koide Kunihiro 73
#9 Hatsutanda Hirokatsu 73
#10 Tsuneyoshi Koji 70

Latest patents

Publication Filing date Title
JP2020201002A Vibration tool for stamp application
JP2020196908A Method for manufacturing nitride material, and nitride material
JP2020186445A Immersion tube for molten steel treatment
JP2020163458A Method of manufacturing sliding nozzle plate
JP2020164953A Gas blowing plug
JP2020159644A Beam for support
JP2020158821A Porous plug
JP2020143349A Lance pipe
JP2020118487A Gas sensor and method for using the gas sensor
JP2020118486A Gas sensor and method for using the gas sensor
JP2020104492A Refractory raw material kneading device
JP2020084219A Atmosphere control method and atmosphere control device
JP2020070208A Inorganic sintered compact
JP2020070454A Method for manufacturing nitride material
JP2020049514A Member for molten metal and method for producing the same
JP2020019055A Sleeve for die casting
JP2020008511A Gas sensor and method of using gas sensor
JP2020001991A Chromia-enriched brick
JP2020002448A Immersion pipe
JP2019219304A Method for manufacturing gas sensor and gas sensor