6 ms·Indeed Japan does: https://www.j-platpat.inpit.go.jp/d0100 https://www.j-platpat.inpit.go.jp/d0100by tithe 2y agoIndeed Japan does: https://www.j-platpat.inpit.go.jp/d0100 https://www.j-platpat.inpit.go.jp/d0100