Supernote

Supernote is owned by Shanghai Ratta Smart Technology Co., Ltd., headquartered in China. No. The ultimate owner of Supernote, Shanghai Ratta Smart Technology Co., Ltd., is headquartered in China, not in the United States.

Ratta is a Chinese company specializing in digital note-taking devices, known for their Supernote series of e-ink tablets designed for writers, students, and professionals seeking a paper-like writing experience.