INiS

iNiS (An acronym of "Infinite Noise of the Inner Soul") is a video game company based in Meguro, Tokyo. Founded on February 3, 1997, they specialize in making rhythm games. Their current CEO is Masako Harada and their vice president and game director is Keiichi Yano.

Game Lineup
June 21, 2001: Gitaroo Man

2002: Gundam Pilot Academy GPA

2004: Japanese localization of Sudeki

July 28, 2005: Osu! Tatakae! Ouendan

June 8, 2006: Gitaroo Man Lives!

July 6, 2006: RAIN WONDER TRIP

November 6, 2006: Elite Beat Agents

May 17, 2007: Moero! Nekketsu Rhythm Damashii Osu! Tatakae! Ouendan 2

July 5, 2007: Anata mo DS de Classic Kiite Mimasenka?

August 11, 2008: Lips

October 20, 2009: Lips: Number One Hits

March 2, 2010: Lips: Party Classics

Links
http://www.inis.jp/ Their official page. Move your mouse over the "Change Language" tab in the lower right corner of the screen to change languages.

Wikipedia page