The top sign is Izumiya (the name of the shopping centre) in Katakana (not sure why they're using Katakana for a Japanese word).
No explanation required for the next one!
Mister Donut is a Japanese Donut chain that is everywhere in Japan, it pretends to be an American company, but it's not! The Donuts are not that great, but I like their coffee better than S***B****!