Rokube III Shimizu excelled in making imitations of the works of Japanese and Chinese ceramists and nanga (painting of the Chinese South School) of former ages and making red and blue porcelain.
In his late years, he made pottery of Western style. He presented a great porcelain lantern to the Imperial Court. He was a judge of the Imperial Art Institute Exhibition and was appointed a member of the Art Academy in 1937.
He received the order of Officer de L'Ordre L'Etoile Noire.