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ITOH IRON & STEEL WORKS CO LTD

Overview
  • Total Patents
    44
  • GoodIP Patent Rank
    199,311
  • Filing trend
    ⇩ 100.0%
About

ITOH IRON & STEEL WORKS CO LTD has a total of 44 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1971. It filed its patents most often in Japan, United States and Canada. Its main competitors in its focus markets thermal processes, materials and metallurgy and environmental technology are MAHLER DIENSTLEISTUNG, SECO WARWICK CORP and GROOM BRYAN LTD.

Patent filings per year

Chart showing ITOH IRON & STEEL WORKS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tabuchi Seigo 13
#2 Fujisawa Y 5
#3 Fujisawa Yutaka 5
#4 Saito K 4
#5 Saito Kimio 4
#6 Noda Takayuki 4
#7 Hayashi Junzo 4
#8 Kogushi Kazuyuki 2
#9 Matsui Kazuyuki 2
#10 Tabuchi S 2

Latest patents

Publication Filing date Title
JP2018150695A Coupler and casting method of coupler
JP2018039018A Marking device and marking method of deformed steel bar
JP2017141583A Joint structure and construction method for the same
JP2017025506A Joint for screw node reinforcement
JP2003096974A Method for injecting grout material for reinforcement joint
JP2003027662A Anchoring device for reinforcement
JPH11304372A Non-consumed water cooled lance
ZA8601718B Apparatus for soaking steel pieces
SG82484G Method for soaking treatment of cold steel billets and/or hot steel billets and apparatus for carrying out the said method
IT7949500D0 Heat treating hot and cold billets - with preheating and final heat treatment
JPS5183807A Seikokojonaino baijinno shujinhoho oyobi sonosochi
JPS5183878A Seirenkojoniokeru kosaishorihoho oyobi sonosochi
JPS5177532A Yookootoono zookaisoochikaraokurareru kookaino chokusetsuatsuensoochi
DE2354317A1 Continuously casting ingots - with moulds moving in a closed circuit
GB1449040A Continuous ingot casting apparatus
BE806523Q Continuously casting ingots - with moulds moving in a closed circuit
CA1010226A Continuous ingot casting system for the ingot mill
US3786855A Rotary casting method of killed steel
US3717196A Continuous ingot casting system for the ingot mill