Hi MaKoTo,
The rim shots are used a lot, but not always easy to pick up in a busy drum piece.
I use quite a bit of rimmies myself, that is why I angle the snare slightly sloping away from me, also when you hit more parallel (instead of "into" the head) you get much more refinement in your play when you want to play the "subtle" parts.
Cheers and Happy Drumming,
Harry