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FUJI IRON & STEEL CO LTD

Overview
  • Total Patents
    53
About

FUJI IRON & STEEL CO LTD has a total of 53 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States, Germany and France. Its main competitors in its focus markets machines, materials and metallurgy and surface technology and coating are SWIFT & SONS INC M, INGBUREAULEMET CHROMIUM H VAN and ENSTON ROBERT PETER.

Patent filings in countries

World map showing FUJI IRON & STEEL CO LTDs patent filings in countries
# Country Total Patents
#1 United States 20
#2 Germany 15
#3 France 9
#4 United Kingdom 5
#5 Netherlands 2
#6 Belgium 1
#7 Canada 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Uchida Hiromu 13
#2 Yanabu Osamu 9
#3 Noda Ikuya 5
#4 Goss Norman P 5
#5 Sato Hideshi 4
#6 Hada Takashi 4
#7 Doi Kazuyuki 3
#8 Herai Toshio 3
#9 Taniguchi Yasuyuki 3
#10 Yamamoto Akira 3

Latest patents

Publication Filing date Title
US3671205A Metal materials suitable for organic coating
US3759698A Method of blowing reducing gas into a blast furnace
DE1769769A1 Lubricant and anti-corrosion agent for non-cutting steel processing, especially for deep-drawn sheets
US3501278A Process for electrodeposition of paint coatings on zinc-plated steel sheet
US3506413A Surface treated steel sheet suitable for forming
GB1187785A Chromate-Coated Chromium Plated Steels and Two-Step processes for the preparation thereof by Electrolytic Treatment
US3479162A Chromium plated steel sheet having an almost colorless and transparent chromate film
US3505040A Scratch-resistant white-silver chromium plated steel plate
US3489549A Sintering material from iron-containing dry dust and preparing method thereof
US3487674A Method of producing cold rolled steel sheets suitable for press forming
US3459538A Corrosion resistant low-alloy steel
US3347076A Method and apparatus for manufacturing h-shaped steel
US3453101A Process for treating nickeliferous ore
US3323900A Process for treatment of iron oxide ores containing nickel, chromium and cobalt
US3335596A Methods and apparatus for manufacture of h-section steel having surface projections
US3303018A Method of refining steel in rotary reactor
US3316160A Process for electrolytic chromium-plating steel strips without a bluish tint while using two or more plating tanks
US3258328A Method and apparatus for treating steel
US3251680A Method and apparatus for treating steels
US3244510A Method of making electrical steel having superior magnetic properties