Corsets have been featured in several different anime series. Here are some examples:
Examples[]
Emma[]
Episode 9[]
4 minutes in, Eleanor is encouraging her maid Annie to go very tight corset
Episode 17[]
10m55s in, Martha tries to force Emma into a corset.
Kuroshitsuji[]
aka "Black Butler" has a somewhat yaoi-eroticized corset-dressing scene:
http://www.youtube.com/watch?v=uEl-ZtIyVt0
One Piece[]
The character Nico Robin wears a corset-like top mostly to hold her chest in.
Panty Stocking[]
In this series, one of the villains name is Corset and a corset is actually part of ihm.
See also[]
http://www.animecharactersdatabase.com/tags.php?id=1127 is a good database which can provide material to potentially expand this page. It may even become plentiful enough for its own wiki some day.