The Tokyo Metropolitan Museum of Photography in Yebisu Garden Place near Ebisu Station in Tokyo is currently closed due to major renovations. It closed on September 24, 2014. It plans to reopen in September 2016. During the closure, works cannot be viewed or loaned out. The museum library also cannot be used.
Museum curators will still be employed and will be busy planning exhibitions, updating databases, doing research/PR, etc. Website here