Behind the Name

Jinmei

Jin - From Chinese 金 "gold, metal, money", 锦 "embroidered, bright" or 津 "ferry".
Mei - From Chinese 美 "beautiful" or 梅 "plum".

Aki

From Japanese 晶 "sparkle", 明 "bright" or 秋 "autumn". It can also come from 亜 (a) "second, Asia" combined with 希 (ki) "hope".

Infro from this website:
http://www.behindthename.com/