ATOK

ATOK (エイトック /ˈetoku/ or /ˈeɪtɔːk/) is a Japanese input method editor (IME) produced by JustSystems, a Japanese software company. ATOK is an IME with roots from 1983 and DOS, but it now supports a large number of platforms including Linux, Mac OS X, Windows, Android, and iOS. Sun Microsystems chose ATOK as their input method when run...
Found on http://en.wikipedia.org/wiki/ATOK
No exact match found