OK, been thinking about this all morning...
Mega Man -- Nintendo EAD
Okami -- JAPAN Studio
Street Fighter -- Namco Bandai
Resident Evil -- Tango Gameworks
Zack & Wiki -- Double Fine
Onimusha -- JAPAN Studio
Dead Rising -- Microsoft Studios
Lost Planet -- Day 1 Studios
Devil May Cry -- Platinum Games
Monster Hunter -- Namco Bandai
Ghosts 'n Goblins -- WayForward
Final Fight -- Overkill Software
Bionic Commando -- Overkill Software
Viewtiful Joe -- Platinum Games
Phoenix Wright -- Level-5