What is the release date of "Ghost in the Shell: Arise" in US?
Ghost in the Shell: Arise is not yet licensed. That means there's no release planned in the US yet.

UPDATE

Ghost in the Shell: Arise is now licensed by Funimation. In October 2014, the first two parts have been released on BD and DVD, while parts 3 and 4 have been released a year later. (At least) the first three parts are also available at Netflix.