I didn't find in Dr. Duke's database, any information about the uses of Apios fortunei
Here is some basic information about Apios fortunei.
Apios fortunei basic info
Scientific Name: Apios fortunei Maxim..
Apios fortunei, commonly known as Hodo, Hodoimo, groundnut, or potatobean, is a tuber-forming member of the Bean family. It is a native plant of Eastern China and Japan. - for more info about Apios fortunei See link
Apios fortunei in other websites
Apios fortunei common names, economics importance, distributional range and more in the USDA GRIN website - See link
Search PubMed (US National Library of Medicine National Institutes of Health) for academic researches with the search term Apios fortunei - See link
See if there is something in Youtube on the term Apios fortunei - See link