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| 1957 |
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The basic principle of the "Harmonic Drive" was introduced by C.W. Musser, an American inventor. |
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| 1964 |
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Harmonic Drive was successfully put into practical use by Hasegawa Gear Works, Ltd., the predecessor to the present Harmonic Drive Systems Inc.,and USM Co., Ltd. in the U.S. |
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| 1970 |
October |
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Established Harmonic Drive Systems Inc. in Tokyo, Japan as a joint venture between Hasegawa Gear Works, Ltd. and USM Co., Ltd.
Harmonic Drive Systems Inc. obtained business rights to Harmonic Drive mechanisms from Hasegawa Gear Works, Ltd. through its technical cooperation agreement with USM Co., Ltd..
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November |
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• Started manufacturing Harmonic Drive speed reducers at the Matsumoto Plant in Nagano, Japan.
• Concluded a non-exclusive agency agreement with Mitsui & Co., Ltd. |
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| 1976 |
September |
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Capital reduced to ¥100 million and the company became a wholly-owned subsidiary of USM Co., Ltd. |
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| 1977 |
November |
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Started manufacturing and selling factory automation equipment such as actuators and controllers. |
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| 1980 |
November |
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Concluded a distributorship agreement with Mitsui & Co., Ltd. for sales of Harmonic Drive Systems Inc. products in Japan - the agency agreement was terminated. |
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| 1984 |
December |
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Established sales agents in Taiwan and Korea for market development. |
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| 1987 |
February |
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Established subsidiary company HD Systems, Inc. for expanding into the U.S. market. |
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April |
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Concluded a distributorship agreement with Mitsui & Co., Ltd. for sales of Harmonic Drive Systems Inc. products in Korea. |
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| 1988 |
June |
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Started manufacturing and selling Harmonic Drive speed reducers with the newly-developed IH tooth profile. |
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| 1989 |
February |
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Established "new" Harmonic Drive Systems Inc. as a wholly-owned subsidiary of "former" Harmonic Drive Systems Inc. |
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March |
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Transferred business from "former" Harmonic Drive Systems Inc. to "new" Harmonic Drive Systems Inc. |
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April |
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"Former" Harmonic Drive Systems Inc. was taken over by Koden Electronics Co., Ltd. |
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| 1990 |
December |
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Completed the Hotaka Plant in Hotaka-machi, Nagano, Japan.
Moved production base from the Matsumoto Plant to the Hotaka Plant. |
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| 1996 |
March |
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Concluded an exclusive distributorship agreement with Harmonic Drive Antriebstechnik GmbH, the current Harmonic Drive AG, in Germany for sales of Harmonic Drive Systems Inc. products in Europe, the Middle East, Africa, India and Latin America. |
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December |
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Concluded a license and technical support agreement with Harmonic Drive Antriebstechnik GmbH. |
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| 1998 |
March |
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Listed on the Japan Securities Dealers Association over-the-counter market. |
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| 1999 |
April |
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Established subsidiary HD Logistics, Inc. |
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July |
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Established subsidiary Harmonic Precision, Inc. |
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| 2002 |
July |
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Acquired 25% issued shares in Harmonic Drive AG. |
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| 2003 |
April |
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Established subsidiary Harmonic AD, Inc. |
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| 2004 |
December |
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Listed on Jasdaq Securities Exchange, Inc. |
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| 2005 |
December |
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Established subsidiary Harmonic Drive L.L.C. in the U.S. as a joint venture between HD Systems, Inc. and Harmonic Drive Technologies Nabtesco Inc. |
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