JOAN B MIRVISS Virtuosic efforts by students of the ceramist Tomimoto Kenkichi span a staggering range of styles in “Tomimoto Kenkichi and His Enduring Legacy,” but none of them can beat a small, brightly patterned sake flask by the master. Through April 26 at 39 East 78th Street, No. 401; 212-799-4021, mirviss.com.
