The Sailor Pen Co., Ltd. engages in the manufacture and sale of robot machines and stationeries. It operates through the following Robot Equipment and Stationery segments. The Robot Equipment segment manufactures and sells industrial robots such as extraction robots for injection molded products, automated assembly equipment, and automatic stock systems. It also offer maintenance and sell spare parts of the same equipment. The Stationery segment produces and sells stationery such as fountain pens, ballpoint pens, markers, inks, and printing related products. The company was founded by Kyugoro Sakata on February 11, 1911 and is headquartered in Tokyo, Japan.