All of those are included on the map. You can see them by hovering over a prefecture for a count of each brand within it, or by zooming in. Nonetheless there is also a disclaimer on the info panel specifically addressing this: "This is a pretty surface level analysis of all locations of conbini in Japan. (Only the top few brands)".

Went to japan for a few weeks last year, never saw anyone in the states who went talk about Daily, saw a few and popped in and was surprised by all the breads! pretty dang tasty