Hiroyuki Masuyama ( 1968 - ) is a Japanese painter. Hiroyuki Masuyama s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1800.62 USD for SUMMER NO. 1 in 2010 to 7619.51 USD for SAKURA N°1 in 2012 , based on the size and medium of the artwork.