User blog comment:Lia Schiffer/416: Deicide 18 (The End)/@comment-1432572-20100821153156/@comment-1932702-20100821162419

@Terrios- That can't be right. Aizen was a lieutenant when Urahara's Hogyoku was revealed. So he couldn't have 'come up' with the Hogyoku before Kisuke.

Also, this pic shows Aizen handling what looks like a Hogyoku while he was a Lt. : http://mangastream.com/read/bleach/42115567/3