From Wikipedia
Marvelous Entertainment Inc. (株式会社 マーベラスエンターテイメント, Kabushiki-gaisha Māberasu Entāteimento?) (MMV) is a multinational corporation that produces animation, music, video games, television series. MMV is most widely known for its involvement in the Harvest Moon series.
The MMV abbreviation, found in the company logo, stands for Marvelous Media Vibration, which originally stood for Marvelous Music Vibration.
Based in Shinagawa, Japan.
October 2011 Marvelous Entertainment Inc. became Marvelous AQL in a merger.