Japanese names are used with a lot of different kanji combinations, with a lot of different resulting "meanings" Check this user-submitted name Akihide on this website, it gives quite a number of combinations, none of which as "beautiful flower":
https://www.behindthename.com/name/akihide/submitted
Seems to me you only have a valid phenomenon and then a question in its wake if you succeed to document several cases where males with the name Akihide actually use kanji combinations of "beauty" / "beautiful" and "flower".