| Mar. 1995 |
Established Ishizue Co., Ltd. in Shimogyo Ward, Kyoto City, with capital of ¥12 million.
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| Aug. 1995 |
Registered as a first-class architect's office.
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| Sep. 1995 |
Acquisition of Governor's License through Building Lots and Buildings Business.
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| Jun. 1999 |
Obtained construction business license.
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| Aug. 1999 |
Established Plantec Co., Ltd. (formerly Plantec Ishizue Co., Ltd.) in Higashiyodogawa Ward, Osaka City, with capital of ¥10 million to enhance design capabilities.
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| Jan. 2000 |
Moving the company to Nakagyo Ward (current location) in Kyoto City, capital increase to ¥23 million due to expansion of business in Kyoto.
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| Feb. 2001 |
Capital increase to 32 million yen.
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| Mar. 2002 |
Established an Osaka branch office in Higashiyodogawa Ward, Osaka City, for the purpose of developing business in Osaka.
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| May 2002 |
Registered as a first-class architect's office at the Osaka branch office.
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| Aug. 2002 |
Change of Governor's License to Minister of Land, Infrastructure, Transport and Tourism's License by Building Lots and Buildings Business.
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| Jul. 2003 |
Capital increase to ¥50 million.
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| Sep. 2003 |
Merges UL Design Co., Ltd. for the purpose of expanding operations in the Hanshin area.
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| Mar. 2006 |
Relocation of Osaka branch office to Osaka Chuo Ward (current location) due to expansion of business in Osaka.
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| Jul. 2010 |
Established a Tokyo branch office in Chuo Ward, Tokyo, for the purpose of developing business in Tokyo.
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| Sep. 2011
| Expansion of business in Tokyo will increase the number of floors in the Tokyo branch.
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| Feb. 2014
| Relocation of the Tokyo branch office to Minato Ward, Tokyo (current location) due to expansion of business in Tokyo.
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| Oct. 2020
| Capital increase to ¥10 million.
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