VGMdb's usage of this thing is the logo "avex entertainment" [1], not the company "AVEX ENTERTAINMENT INC." [2]
1.
http://ja.wikipedia.org/wiki/Avex_entertainment
2.
http://ja.wikipedia.org/wiki/%E3%82%...83%B3%E3%83%88
Both this logo [1] and the company [2] still exist past April 1, so neither could have been "succeeded" by avex pictures (logo) or AVEX PICTURES INC. (company).