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was a branch of the Japanese company Seiko that produced clocks, watches, shutters, computer printers and other devices. It was the root of the manufacturing companies of the Seiko Group. *1881 — Kintarō Hattori opens the watch and jewelry shop "K. Hattori" (''Hattori Tokeiten'' in Japanese; currently named Seiko Holdings Corporation) in the Ginza area of Tokyo, Japan.〔(【引用サイトリンク】 publisher = Seiko Instruments )〕 *1892 — Seikosha is established in Tokyo as the clock manufacturing arm of K. Hattori. *1917 — K. Hattori becomes a company (K. Hattori & Co., Ltd.). *1937 — The watch production division of Seikosha is split off as . *1942 — Daiwa Kogyo, Ltd. is founded in Suwa, Nagano by Hisao Yamazaki. *1943 — Daini Seikosha establishes a factory in Suwa for manufacturing watches with Daiwa Kogyo. *1959 — Daiwa Kogyo and the Suwa Plant of Daini Seikosha merge to form *1961 — Shinshu Seiki Co., Ltd. is established as a subsidiary of Suwa Seikosha. *1970 — Seikosha is split off from K. Hattori & Co., Ltd., and Seikosha Co., Ltd. is incorporated. *1982 — K. Hattori & Co., Ltd. is renamed Hattori Seiko Co., Ltd. *1982 — Shinshu Seiki is renamed Epson Corporation. *1983 — Daini Seikosha is renamed Seiko Instruments & Electronics Ltd. *1985 — Suwa Seikosha and Epson merge to form Seiko Epson Corporation. *1990 — Hattori Seiko Co., Ltd. is renamed Seiko Corporation. *1996 — Seikosha Co., Ltd. is divided into Seiko Precision Inc. and Seiko Clock Inc., Website domain (Seikosha ) is registered. *1997 — Seiko Instruments & Electronics is renamed Seiko Instruments Inc. *2007 — Seiko Corporation is renamed Seiko Holdings Corporation.〔(【引用サイトリンク】 publisher = Seiko Holdings )〕 *1 October 2009 — Seiko Instruments becomes a wholly owned subsidiary of Seiko Holdings. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Seikosha」の詳細全文を読む スポンサード リンク
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