There is more than one type of Yosegi. Usually we think of the thinly planed off slices of veneer which are used to decorate pieces. Muku Yosegi is the technique where the whole pattern block is used. The patterns are visible both on the outside and inside of the piece. Also has the advantage of allowing almost any wood to be used. We don't have to worry about whether the resulting pattern can be planed.

This is a ring box someone on Reddit commissioned. I hope it served its purpose well and the gentleman who commissioned it is busy planning his coming wedding.