Patents by Inventor Lars ?rtun

Lars ?rtun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Replaceable conductive marker tip
    Patent number: 12416999
    Abstract: Embodiments of the invention provide a removable marker tip configured for application with an active pen-stylus. The removable marker tip comprises an antenna and an insulator and is designed to be held onto the pen-stylus' writing shaft by a set of crush ribs fitted into a posterior recess on the removable marker tip. The removable marker tip is designed to be a consumable part to improve the paper feeling received by users of the pen-stylus as they draw on the display of a tablet device. The removable marker tip is further designed to be hand-removable by users of the pen-stylus.
    Type: Grant
    Filed: July 22, 2024
    Date of Patent: September 16, 2025
    Assignee: reMarkable AS
    Inventors: Gaute Wiig Nordby, Espen Lie, Anna Karoline Øren Lillerud, Lars Årtun, Vegard Bakke Svendsen, Xian Dong Guo, Peng Shuai, Liang Xiong