"Tokusatsu" (特撮), often shortened to just "Toku" in the west, is the Japanese catchall term for any live-action sci-fi/fantasy media that makes use of special effectsnote "Tokusatsu" is an abbreviation of coming from "tokushu satsuei", which literally means "special photography".
https://tvtropes.org/pmwiki/pmwiki.php/Main/Toku
Hm, I can't think of any "giant human-like robots" content outside of japan, but if we go for just science fiction or just tank / ship / airplane / war movies, examples are many.
Power Rangers is a famous example of western cashgrab that used footage of japanese sentai shows. If you are too lazy to actually watch the entire thing, Linkara made a good series of reviews of it, you can watch it here, reposted by a kind man Tom W 8 years ago https://www.youtube.com/watch?v=jX43F7XLEDE&list=PL82b8UkjiO8VnU8kVFLFE-lXMfn6ZECQm . Not from the very first part, don't ask me where to find it in full, I don't know.