Inafune was doing a tour in Spain for DR2 and he said this about RE6, first quote in Spanish, second quote machine translation.
Source (Inafune interview at 3D juegos)
Dado el gran éxito que supuso para nosotros Resident Evil 5, queremos que Resident Evil 6 salga al mercado lo antes posible. De hecho, tendréis noticias de Capcom acerca de esto en breve
Given the great success that supposed for us Resident Evil 5, we want that Resident Evil 6 leaves as rapidly as possible to the market. In fact, you will shortly have the news of Capcom about this