He rejected Japanese modernism of the 1950s and abandoned formal abstract painting .
During this time period , Yoshihara drew inspiration from children 's art , Zen calligraphy , and action painter Jackson Pollock .
Yoshihara rejected Japanese modernism of the 1950s and abandoned formal abstract painting .
During this time period , Yoshihara drew inspiration from children 's art , Zen calligraphy , and action painter Jackson Pollock .