Two years here after he, jointly with two partners, set up Marryan's Clay Work in Ciawi, Bogor to produce commercial stoneware.
In 1991 Widayanto set up his own studio in Tapos, marking the beginning of his functional and decorative products, including accessories. Testifying to his continuing artistic creation, he hold solo exhibitions of ceramic sculptures held every 2-3 years.
In addition to his expertise in ceramic art, Widayanto has also developed a wonderful skill in drawing. In the year 2000 he had enough drawings in charcoal to display in a solo exhibition at Regent Hotel in Jakarta.