Wacom Co., Ltd. (株式会社ワコム, Kabushiki-gaisha Wacom) (/ˈwɑːkəm/) is a Japanese company headquartered in Kazo, Saitama, Japan, that specializes in graphics tablets and related products.
Wacom tablet functionality was used in the screen of the Compaq Concerto computer in 1992, making it an early tablet computer. In 1991, Wacom chips were used in the Samsung Penmaster tablet computer which was also sold as the GridPad SL by Grid Systems. The Penmaster had an early precursor to Samsung’s S Pen, known today for its inclusion in the Galaxy Note line of phones.