Japan

Turn restriction (no_right_turn) 6899670 lacks 'from' way

Turn restriction (only_straight_on) 50881110 ) ways connect in more than one place

Turn restriction (only_straight_on) 13791016 lacks 'from' way

Turn restriction (no_left_turn) 508841684 doesn't start or end at 'via' node or way

Turn restriction (only_left_turn) 457209055 ) ways connect in more than one place

Turn restriction (no_u_turn) 196879748 ) ways connect in more than one place

Turn restriction (no_right_turn) 13052262 lacks 'from' way

Turn restriction (no_right_turn) 6160088 (at https://www.openstreetmap.org/?mlat=34.650080&mlon=133.910554&zoom=17) lacks 'via' node (guessing it should be at https://www.openstreetmap.org/?mlat=34.650080&mlon=133.910554&zoom=17, why don't you add it to the OSM data?)