| March 1975 |
COS Co., Ltd. established with a capital of ¥10 million |
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| January 1985 |
Service Division starts operation |
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| January 1987 |
Paid-in capital reaches ¥30 million |
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| March 1991 |
Tokyo Sales Office opens |
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| June 1997 |
Head Office and plant move to current site (18 Maegawara-cho, Kisshoin, Minami-ku, Kyoto-shi) |
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| September 1997 |
Nagoya Sales Office opens |
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| October 1998 |
Electrical and mechanical equipment installation operations (construction operations) certified |
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| December 1999 |
Certified under ISO 9001 (JQA-QM4027) |
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| March 2000 |
Paid-in capital reaches ¥250 million |
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| July 2000 |
Starts collaboration with Horiba, Ltd. in water quality-related business |
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| July 2000 |
Service Division spins off into a separate affiliated company (HORIBA TECHNO SERVICE Co., Ltd.) |
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| October 2001 |
New Head Office built. Production space is consequently expanded |
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| July 2004 |
Changes name to HORIBA Advanced Techno, Co.,Ltd. |
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| February 2005 |
Certified under ISO 14001(JQA-EM4530) |