ヴィジュアル系データベース (visual kei data base, VKDB) is a rather up to date (you can find recent info for bands) data base about visual kei bands.
Visual kei bands are usually not only short‐lived but are also constantly changing members for the most part.
Visual kei artists jump from ex‐bands to new bands while of course changing their artist names regularly.
Such database is then very handy to trace of those movements as official communications rarely mention ex‐members to say the least.

VKDB only has Artist type page (example 陰陽座).
It is important to notice that their URL are `EUC-JP` encoded (not the usual unicode).
They are quite tricky to copy/paste (how I do it is take their encoded form from their artist index's source code, otherwise I end up with gibberish, cf. upper example, might depend of browsers).