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Historical Computers in Japan

Office Computers

 

  • Timeline
  • Brief History
  • Exhibits
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YearMonthJapan
1961 02 Casio: Announced the TUC Compuwriter accounting computer/billing machine that became the progenitor of office computers.
1961 11 NEC: Completed the NEAC 1201, the first electronic (parametron type) accounting machine produced in Japan and the forerunner of office computers.
1961   Unoke Denshi: Completed the USAC 3010 and 5010 (transistor type) small computers that set the course for office computers.
1963   Casio: Announced the CabiconO-1 (Model O-1) IDP system machine.
1965 03 Fujitsu announced a small computer, FACOM 230-10
1965 12 Hitachi: Announced the HITAC-8100 samll business coomputer.
1966   Oki Electric: Announced the OKIMINITAC Series, the company’s first small business computer.
1966   Casio: Announced the Σ-T1210 electronic tabulator.
1967 02 NEC: Announced the NEAC-1240, the world’s first super small computer using ICs.
1968 01 Mitsubishi Electric put its first Japanese Small Business computer MELCOM 81 on the market
1968 04 Toshiba: Announced the TOSBAC-1100E, the first super small computer using DTL ICs in Japan.
1969 05 Mitsubishi Electric: Announced the MELCOM-83 that used a general-purpose electronic printer and that could process kana characters.
1970 04 Fujitsu: Announced the FACOM 230-15 general-purpose small computer.
1970 05 Mitsubishi Electric: Announced the MELCOM-84 that could perform magnetic ledger processing.
1970   Hitachi: Announced the HITAC-1 full-fledged billing machine.
1971 09 USAC Electornic Industrial (now PFU): Completed the USAC 720/10, the first model in the USAC 720 Series, which became the first super small computer to make a series in Japan.
1972 04 Mitsubishi Electric: Announced the MELCOM-88, which achieved multi-billing.
1973 01 Toshiba: Announced the TOSBAC-1350 with a built-in magnetic disk.
1973 08 NEC: Announced the NEAC System 100 ultra-small computer.
1973   Hitachi: Announced the HITAC 5 and 55 that used magnetic cards.
1974 08 Fujitsu: Announced the FACOM V0, which was jointly developed with USAC Electronic Industrial (now PFU).
1974 09 Mitsubishi Electric: Announced the MELCOM80 Model 31 providing the simple programming language “Progress.”
1974   Toshiba: Introduced the TOSBAC-1150 System VI Sheet-File System, the first true floppy disk based office computer built by a Japanese company.
1975 09 Uchida Yoko: Announced the USAC 820, an office computer that could start programs from a standard floppy disk.
1975 12 Fujitsu: Announced the FACOM Bm, an office computer that could start programs from a standard floppy disk.
1975   Casio: Announced the Σ-8000, an office computer that used a floppy disk.
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