Patents by Inventor Kam Sheng Leang

Kam Sheng Leang 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).

  • Stylus tip
    Patent number: 9612671
    Abstract: A removable stylus tip for use with an active stylus. The tip is capable of exchanging electrical communications with the touchscreen of a computing device. The tip includes a conductive core to transmit signals between the stylus body and a cone-shaped end of the stylus core. The cone-shaped end is covered with a coating to protect the tip and the touchscreen device. The coating is a composite material configured to allow electrical signals to pass through the material as well as to provide mechanical protection to components of the tip and touchscreen.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: April 4, 2017
    Assignee: AMAZON TECHNOLOGIES, INC.
    Inventors: Piotr Pawel Blaszczak, Timothy Michael Vanderet, Ann Yuhui Yun, Kam Sheng Leang, Kishore Sundara-Rajan, Miguel Angel Morales
  • Electronic tablet device
    Patent number: D716799
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: November 4, 2014
    Assignee: Amazon Technologies, Inc.
    Inventors: Christopher Green, Kam Sheng Leang, Jonathan Howard Biddle
  • Electronic tablet device
    Patent number: D725651
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: March 31, 2015
    Assignee: Amazon Technologies, Inc.
    Inventors: Christopher Green, Kam Sheng Leang, Jonathan Howard Biddle
  • Electronic tablet device
    Patent number: D726716
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: April 14, 2015
    Assignee: Amazon Technologies, Inc.
    Inventors: Christopher Green, Kam Sheng Leang, Jonathan Howard Biddle, Shih-Tao Chang
  • Electronic tablet device
    Patent number: D783600
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: April 11, 2017
    Assignee: Amazon Technologies, Inc.
    Inventors: Christopher Green, Kam Sheng Leang, Jonathan Howard Biddle
  • Electronic device
    Patent number: D839266
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: January 29, 2019
    Assignee: Amazon Technologies, Inc.
    Inventors: Shih-Tao Chang, Jonathan Howard Biddle, Kam Sheng Leang, Marc Rene Walliser, Christopher Green