@
yindesu
The old Warner Music Japan company hasn't been updated to the new system yet, but our usage of this imprint will definitely predate 2001.
We would link both imprints to releases like this:
https://vgmdb.net/db/covers.php?do=view&cover=35326
And there seem to some releases that only have the W on them too:
https://vgmdb.net/db/covers.php?do=view&cover=239288