In 1989 in the Oisawa district of Nishikawa, Oisawa shizen to takumi no denshokan (the Museum of Nature and Artisans) with a papermaking studio was built. However, Iino Hiroo declined working at the studio feeling that at his high age the 30 minutes drive from Iwanesawa to Oisawa was too much. Then Miura Kazuyuki, who was training as a papermaker in Ogawa, Saitama Prefecture, was invited to be the mentor for the papermaking studio. After Miura moved to Nishikawa, he worked with Iino mastering the production of the Gassan washi and eventually became the one and only papermaker in Nishikawa.