I cannot find any official reference to this model.
Sources:
- Hi-res image: popular sizes
- 7 years old Tumblr post: Neon Talk
- 7 years old Facebook post: Facebook
- TinEye says it was here on November 2015, but the link is broken
http://flickrhivemind.net/User/leonardo.bonanni/Interestingand I don’t see it on the archived page
I can find no evidence that this was designed by Sanyo at all. It’s likely a modern rendering of a fake vintage product.