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| 1938 |
Founded as Fuji Aircraft Instrument Co., Ltd., a forerunner of Asahi Keiki Co., Ltd. |
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| 1945 |
Renamed Fuji Keiki Co., Ltd.
Manufactured various measuring instruments (such as noise field-intensity meters and surface thermometers) |
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| 1950 |
Fuji Keiki Co., Ltd. stopped its business, and Asahi Keiki Co., Ltd. was founded |
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| 1951 |
Moved to Shimomaruko, Ota-ku, Tokyo
Manufactured various electronic measuring instruments, oil-level indicators, and thermostats |
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| 1958 |
Developed and manufactured transistor radios
Developed prototypes of TVs and microwave ovens |
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| 1960 |
Started to operate the Fukushima Plant (radios and thermostats)
Delivered various noise measuring instruments and prototype snap-action thermostats |
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| 1963 |
Fukushima Plant started up as Fuji Onkyo Co., Ltd. (manufacturing radios integrally) |
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| 1971 |
Started to sell digital panelmeters and digital testers
Opened an office in Osaka |
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| 1972 |
Opened an office in Nagoya |
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| 1974 |
Established Date Seisakusho Co., Ltd. to manufacture thermostats integrally |
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| 1980 |
30th anniversary; monthly sales of thermostats exceeded ¥100 million |
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| 1989 |
Established Asahi Instrument Thailand (AIT), a joint-venture with a local company in Thailand, capitalized at 20 million bahts |
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| 1993 |
Accumulated production volume of digital panelmeters reached one million units |
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| 1995 |
45th anniversary; established Dalian Asahi Keiki Co., Ltd. in China |
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| 1996 |
Opened a liaison office in Singapore |
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| 1997 |
Obtained ISO 9001 certification |
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| 1998 |
Established Asahi Keiki Singapore Pte. Ltd.
Date Seisakusho Co., Ltd. was renamed Fukushima Asahi Keiki Co., Ltd. |
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| 1999 |
Acquired land and building in Yaguchi, Ota-ku, Tokyo and relocated the headquarters there |
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| 2000 |
50th anniversary; liquidated AIT to integrate overseas production in Dalian Asahi Keiki |
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| 2002 |
Liquidated Fuji Onkyo Co., Ltd. and Fukushima Asahi Keiki Co., Ltd. to form a new Fukushima Plant |
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| 2003 |
Dalian Asahi Keiki reached 3 million units in monthly production |
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| 2004 |
Established Asahi Keiki (Hong Kong) Limited
Obtained ISO14001 certification |
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| 2009 |
Relocated the headquarters to Shibaura, Minato-ku |
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| 2010 |
Transfered Electronic Measuring Instruments Division to Watanabe Electric Industry Co., Ltd. |
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