AMI

Background
AMI was a video game publisher that publishes arcade games by Cave.

(2002-2008)
Logo: On a white background, we see the text "AM". Below it is the text "エイエムアイ".

Technique: None.

Music/Sounds: None.

Availability: It's very common. It was seen on every AMI arcade game they published, from DoDonPachi DaiOuJou to Deathsmiles Mega Black Label.