In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[-117, 10, -80, -105, 12, -83], [-169, -7, 44, -7], [-22, -112, -26, 54], [15, -13, -144, -108]]