There is an art museum near by my temporary house in Kita-urawa, Saitama, it is called MOMAS, Museum of Modern Arts Saitama. Now Henri Le Sidaner exhibition is on going till 5th of February 2012.
This museum was built in 1982 and designed by Kisyo Kurokawa, world famous Japanese architect.There is English page at the web site.
The Museum of Modern Art, Saitama
9-30-1 Tokiwa, Urawa-ku,