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Seiko Instruments Inc. is a Japanese company, which develops and commercializes semiconductor, micro mechatronics, and precision timepiece technology. It is one of three core companies of the Seiko Group. The company manufactures and sells electronic components (semiconductors, crystal oscillators, micro mechatronics devices, thermal printer, coin battery, liquid crystal displays), precision parts, watches, analysis and measurement instruments, machine tools, printers, network items, information systems and services, IC dictionaries, etc. Headquartered in Makuhari business district, Mihama-ku, Chiba City, Chiba Prefecture, Japan.