OKIOpen up your dreams

Global

  • OKI Worldwide
  • Contact
  • Sitemap
  • Japanese Site
  • Chinese Site

 


Location: Home > About OKI > Corporate Information > History > 1940 - 1959


Corporate Information

History 1940 - 1959

1940
  • Establishes Oki Communications Equipment Co., Ltd.
1941
  • Completes construction of Takahama Plant
  • Pacific War begins
1942
  • Constructs Dalian Works
1944
  • Senkichi Ozawa appointed president
  • Shibaura and Takahama plants designated "munitions" plants
1945
  • Buildings in Shibaura Plant destroyed in air raids
  • Second World War ends
  • Concentrates production in five plants — Fukushima, Shibaura, Shinagawa, Tomioka, and Warabi
  • Yuzo Yanai appointed president
1946
  • Oki Electric Workers' Union established
  • GHQ designates Oki Electric "restricted concern"
  • GHQ designates Oki Electric and Oki Electric Securities "olding companies"
1947
  • Ryoji Inoue appointed president
1948
  • Ryoji Inoue passes away while still president
1949
  • Yuzo Yanai reappointed president
  • Oki Electric Co., Ltd., dissolved, and Oki Electric Industry Co., Ltd., established; Suteji Kanbe appointed president
1950
  • Korean War begins
  • Begins mass production of Type-4 telephone
1951
  • Lists shares on Tokyo Stock Exchange
1953
  • Mito Telegraph Office uses Oki Electric product to complete first automated telegraph repeating
  • Markets page teletypewriter
  • Resumes production at Shibaura Plant
1954
  • Signs technical assistance agreement related to carrier telephones and telegraph equipment with Compagnie Industrielle des Telephones
  • Signs technical assistance agreement related to radar technology, especially shipborne radio equipment, with Raytheon
1955
  • Develops millimeter wave magnetron
1956
  • Produces 100-line Ericsson-type crossbar-switching system for in-house use
  • Delivers Ericsson-type crossbar-switching system for use at Ryuo Station in Yamanashi Prefecture
  • Begins research into transistors and electronic exchanges
1957
  • Establishes Oki Business Machines Sales Co., Ltd.
  • Begins research into electronic computers
1958
  • Develops millimeter wave klystron
  • Adopts new plant system
  • Completes construction of Takasaki Plant
  • Develops belt line printer, photoelectric tape reader, and general-use I/O device
1959
  • Signs patent licensing contract with WE for production of crossbar exchanges
  • Completes development of OPC1 computer using parametrons

Top of this page