The name actually appears in the inscription as Śākyabhikṣu Acintamittra. He was donor of a Buddhist image in the 8th or 9th century in northern Afghanistan area. The donation was done together with Vīryamitra (Vīryamittra). Oskar von Hinüber, Three New Bronzes from Gilgit, Annual Report of the International Research Institute for Advanced Buddhology at Soka University, vol. 10 (2007), pp. 39-43.