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.
[[-141, -105], [-17, -135, -64, -144], [-98, -62, 66, 61], [-112, -58, -148, 89, -135], [100, -16, -53, -64]]