Shino yaki, oozara. 4 plates, about 35cm each. Clean breaks, but glaze has been damaged here and there.
Glued with Epoxy, repaired damaged glaze with putty. Then filled plates with water and waited 2-3 hours. If water leaks, need to putty again. Repeat till sealed completely.
Black Urushi as base. Left in humid box for a day. Photo on the right: cleaned excess urushi next day.