History of IBIDEN

YearChronology
1945

AprHeadquarters relocated to Ogaki City, Closed Ogaki Branch

DecDiscontinued production of carbon products for search lighting system, then initiated production of carbon products for filming and medical applications

Ibigawa Cinema Carbon

IBIGAWA Cinema Carbon

1946

FebOrganized Ibiden Labor Union

JunEnforcement of Restrictive Company Ordinance. Designated as restrictive company in association with Dainippon Spinners also designated as restrictive. Unaffiliated with Dainippon Spinners. Shifted to self-independent corporation

1947

MayIntegrated Nishi Ogaki Plant and Kido Plant into one Ogaki Plant

1949

JulInstalled the first-in-Japan electric tunnel furance exclusive for carbon sintering

Japan's first electric tunnel furnace for carbon sintering

First-in-Japan electric tunnel furance for carbon sintering

1950

NovStarted production of fused phosphate fertilizer (until 1990)

1951

AprNew head office building completed in Kanda-cho of Ogaki City (used until 2005)

DecEstablished Ibiden health Insurance Association

1952

JulGama Plant shifted to manufacturing of alloy iron

1954

OctStarted production of melamine decorative boards at Aoyanagi Plant (until 1971)

1956

SepStarted production of Gouging carbon boards at Aoyanagi Plant (until 1991)

1957

FebFirst issue of "Safety and Health Newsletter"

1958

AprReceived Production Award from Ogaki Memorial Foundation for our achievement of "Automated production system of carbon electrodes for filming"

Citation of the Okochi Memorial Prize

Award from Okouchi Memorial Foundation

1959

JanStarted manufacturing of dry acetylene gas at Ogaki Plant (until 1992)