Fujitsu seem to use the same non-A4 display for some of their e-paper devices, and they call it A4 in the product name: https://fujitsuquaderno.com/products/fuj

Fujitsu seem to use the same non-A4 display for some of their e-paper devices, and they call it A4 in the product name: https://fujitsuquaderno.com/products/fujitsu-quaderno-a4-2nd-gen https://fujitsuquaderno.com/products/fujitsu-quaderno-a4-2nd...