When I saw this, I thought "quarter half".
In japanese, it reads ta-naka. It is a family name. (I actually have a friend who's family name is Tanaka.)
The kanji characters mean:
ç”° -> rice field
ä¸ -> center, middle, or between
ç”°ä¸ ... to me it's 1/4 1/2
What is it to you?