Here are a list of games that showed up on the Japanese Trademarking board.

Nintendo
2007-111010 Rosetta
2007-114134 WiiBo

Square Enix
2007-112580 Battle Lord
2007-113514 Dark Butler
2007-113519 Anonymous’s Game

Level Five
2007-112735 Record of Cardboard Box War

Wiibo? I wonder if that will use the Wii fit board?

Link