History
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- 1975
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Toru Imahashi, current CEO of GSTV, began the import and wholesale of gemstones and natural stones as a private sales company
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- 1980
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Began buying precious stones from Sri Lanka, Thailand and Colombia
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- 1985
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Began importing jewelry from Hong Kong
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- 1987
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Began bespoke handmade jewelry production
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- 1988
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Established ImacBC Inc. in Shibuya-ku, Tokyo
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- 1998
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Relocated the Head Office to Shinjuku-ku, Tokyo
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- 2005
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Opened the Shinjuku Showroom in the Head Office building
2005 Established IMACBC (Thailand) Co., Ltd.
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- 2006
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Established GSTV (HK) Co., Ltd. in Hong Kong, China(Name at the time of establishment: IMACBC (HK) Co.)
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- 2007
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Established Shunde Imahashi Decorating Co., Ltd. as a Chinese subsidiary in Foshan City (overseas production base, subsidiary of GSTV (HK) Co.)
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- 2008
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Established IMACBC Diamond Exports Pvt. Ltd. in Mumbai, India
Acquired patent for belt ring (Patent No. 4147336)
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- 2011
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Gems London Ltd., which operates the TV shopping channel "GSTV," became a subsidiary
Began broadcasting on SKY PerfecTV! Premium Service
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- 2012
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Opened Shinsaibashi Showroom in Chuo-ku, Osaka
Established the Chinese subsidiary Guangzhou Imahashi Zhubao Co.
(Overseas production base, subsidiary of GSTV (HK) Co.)
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- 2013
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Merged with Gems London Ltd., with ImacBC as the surviving company
Opened Kobe Motomachi Showroom in Chuo-ku, Kobe
Opened Yokohama Motomachi Showroom in Naka-ku, Yokohama
Opened Nagoya showroom in Naka-ku, Nagoya
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- 2014
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Established joint venture GEMIMAC Co., Ltd. in Thailand (overseas production base, joint venture later dissolved; now a cooperative company)
Began the Jewelry Secondary Market Business (JSM)
Opened Kita Senju Showroom in Adachi-ku, Tokyo
Opened Fukuoka Showroom in Chuo-ku, Fukuoka City
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- 2015
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Changed company name to GSTV Inc.
Relocated Head Office to Koto-ku, Tokyo
Opened Ariake Showroom in the Head Office building
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- 2016
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Began broadcasting on BS-TBS.
Opened GSTV Gemological Laboratory at Ariake Head Office
Relocated Yokohama Showroom to the same area
Opened Makuhari Showroom in Mihama-ku, Chiba City
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- 2017
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Closed the Shinjuku Showroom
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- 2019
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Closed the Makuhari Showroom
Closed the Kita Senju Showroom
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- 2020
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Began broadcasting on BS Fuji
Closed the Nagoya Showroom
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- 2021
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Opened Ginza Salon in Chuo-ku, Tokyo
Opened the Kofu Office
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- 2022
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Completed a new studio and relocated the head office to Shinagawa-ku, Tokyo
Relocated the Ariake Showroom to the Head Office and renamed it as the Tennozu Showroom
Opened the GSTV Gem Museum
Reopened the Nagoya Showroom in Nakamura-ku, Nagoya City
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- 2023
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Began GEM AUCTION
Opened the Sapporo Showroom in Chuo-ku, Sapporo
Reopened the Shinjuku Showroom in Shibuya-ku, Tokyo
Panyu Plant became independent as "Guangzhou Ji Ai Si Zhu Bao Co”
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- 2024
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Opened Chiba Showroom in Chuo-ku, Chiba City