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1986 January
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Founded SHINSEN Co., Ltd. with a share capital of one million yen.
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1991 December
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Founded SHINSEN-REMODELING Inc. as a limited private company with a share capital of three million yen.
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1992 April
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Newly built Takada plant in (former) Sasagami Village, now Agano City.
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1996 December
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SHINSEN-REMODELING Inc. transformed into a stock company with a share capital increase to 10 million yen.
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2003 March
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Opened SHINSEN Co., Ltd. Toki Messe office, in Central Niigata City.
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2005 April
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SHINSEN Co., Ltd. obtained ISO14001:2004 certification.
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2006 September
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Made NIIGATA-KIKAKU Inc. a subsidiary by acquiring all the company’s stock.
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2008 January
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SHINSEN Co., Ltd. acquired PrivacyMark certification.
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2008 March
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SHINSEN-REMODELING Inc. obtained ISO14001:2004 certification.
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2014 March
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Opened SHINSEN-REMODELING Inc. Shutoken-Kanto Branch, serving the Greater Tokyo Area and Kanto region, in Minami-ku, Saitama City.
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2015 March
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Established SHINSEN HOLDINGS Inc. in order to form a holding company.
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2016 January
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SHINSEN-REMODELING Inc. made IURA-CONSTRUCTION Inc. a subsidiary by acquiring all of the company’s stock.
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2019 May
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Yukari Sano becomes CEO for SHINSEN Co., Ltd., SHINSEN-REMODELING Inc., NIIGATA-KIKAKU Inc. and IURA-CONSTRUCTION Inc.
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2020 January
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On this occasion, Shinsen Holdings INC. and SDS CONSULTING COMPANY LIMITED (Headquarters: Hanoi, Vietnam), have established a limited liability company, SHINSEN VIETNAM COMPANY LIMITED, in Hanoi, Vietnam.
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2020 February
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Founded SHINSEN Medical Communications Inc. with a share capital of ten million yen.
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2021 March
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Founder Kenji Sano has passed away.
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2022 March
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Shinsen Co., Ltd.
Recognized as a Gold Class level Certified Health Management Company of Niigata City.
Recognized as a 2022 Outstanding Certified Health and Productivity Management Organization (Small and Medium-sized Enterprise Division) .
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2023 March
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Shinsen Co., Ltd. merged with Niigata Kikaku Co., Ltd.
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2024 February
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We have opened a liaison office in Taiwan.
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2024 March
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Shinsen Co., Ltd. merged with SHINSEN Medical Communications Inc.
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2024 June
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Shinshin Co., Ltd. established a sales office in Joetsu City, Niigata.
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2024 August
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We have changed the address due to the construction of a new company building.
2-3-4 Kandoji, Chuo-ku, Niigata City
