Despite all the bans and restrictions imposed on Huawei that ultimately lead to a delay of the Mate X, the company is considering the release of improved versions that also includes a stylus, as revealed by the latest published patent. The stylus option really makes much more sense for the larger screen integrated in foldable devices, and, with this move, Huawei could provide a serious competitor for Samsung's Galaxy Note.
https://www.notebookcheck.net/Huawei-patent-reveal-possible-Mate-X-successor-with-stylus.435607.0.html