Yes, Figshare items with the type dataset are included in Google Dataset Search results. This is achieved by including schema.org JSON-LD markup in the public item’s metadata HTML pages. For example, for https://doi.org/10.6084/m9.figshare.5590852.v1 the following markup is included:
You can test the JSON-LD markup of any public Figshare dataset using Google’s Structured Data testing tool. The general discoverability tips can help improve your dataset’s visibility in Google Dataset Search; don’t hesitate to contact us at firstname.lastname@example.org if you spot any issues or require further information!