When verifying, do not rely on a single marketing line — look at the sales channel, the local entity, the product page, invoice information, and the testing summary together so they correspond. Full import documents, labels, and original test reports are not published for open download, to prevent misuse; if you need further verification, contact the official service channel.
For customers searching for a made-in-Japan futon, this answer explains what can be checked: manufacturing origin, certification, operator information, product materials, and the official international sales channel.