1. <meter id="abbiq"><ins id="abbiq"></ins></meter>

        
        <meter id="abbiq"><ins id="abbiq"></ins></meter>
        <cite id="abbiq"><s id="abbiq"><wbr id="abbiq"></wbr></s></cite><label id="abbiq"></label>
      1. <label id="abbiq"></label>
        <dd id="abbiq"><ins id="abbiq"><kbd id="abbiq"></kbd></ins></dd>

            Skip to main content

            Hitachi

            Corporate InformationAbout Hitachi Group

            History of Hitachi 1910-1959
            1910

            picture of Completed five-horsepower induction motor
            *figure1

            • Company formed.Completed five-horsepower induction motor *figure1
            1911
            • Completed 2-kVA transformer
            1914
            • Started production of AC ammeter and voltmeter
            1916
            • Completed 10,000-hp (7,355-kW) water turbine
            • Started production of fans
            1924

            picture of DC electric locomotive
            *figure2

            • Completed the first large-scale DC electric locomotive to be manufactured in Japan *figure2
            1930
            • Started production of pole-top transformers
            1931
            • Completed 10,000-A hydraulic electrolytic cell
            1932

            picture of electric refrigerator
            *figure3

            • Started production of elevators
            • Completed Hitachi's first electric refrigerator *figure3
            1933
            • Completed 23,600-horsepower Illgner set
            1940
            • Completed 5,000-line automatic private branch exchange
            1943
            • Completed 85,000-kW Francis water turbine and 70,000-kVA alternating current generator
            1949
            • Completed first U05 power excavator
            1951
            • Completed 6,500-kW Kaplan water turbine and 7,000-kVA AC generator (first umbrella-type generator made in Japan)
            1952
            • Completed 21,000-kW two-stage pump-turbine
            1953
            • Completed true low-pressure 300-m3/h air separation machine
            • Completed 55,000-kW hydrogen-cooled turbine
            1954
            • Completed the first large-scale cold strip mill to be produced in Japan
            1955
            • Completed 100,000-kW Francis water turbine and 93,000-kVA alternating current generator
            1956
            • Completed the first DF90 diesel-electric engine to be built in Japan
            1958

            picture of Electron microscopes
            *figure4

            • Completed six-transistor miniature portable radio
            • Electron microscopes awarded the grand prix at the World Exposition in Brussels *figure4
            1959
            • Completed electronic computers based on transistors
            • Hitachi America, Ltd. established
            1960
            • Developed cubic-type refrigerator
            • Completed seat reservation system (MARS-1) for Japanese National Railways
            亚洲极美女高清视频_亚洲美女高清电影院