Samsung has reportedly trademarked the name "Hideaway Hinge" with the EU's intellectual property office, EUIPO. This name, as it may sound on the tin, is a component relevant to smartphones and tablets. Therefore, it seems the Galaxy Fold's successors may be less obtrusive in the crease-region.
https://www.notebookcheck.net/The-next-generation-of-Samsung-foldables-will-have-Hideaway-hinges-according-to-a-new-trademark.445917.0.html