Patents by Inventor Sian Chin Tsai

Sian Chin Tsai 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).

  • Game controller with clickable trackball
    Patent number: 9013408
    Abstract: An improved user input device is disclosed whereby the device is equipped with a trackball in addition to other control devices, such as an analog stick controller (e.g., thumbstick or joystick). The trackball is mounted in such a way that it projects both upwardly and downwardly from the device body in the vertical plane. The user is able to touch and use the trackball from both the upper and lower directions. In a preferred embodiment, the trackball is clickable, affording greater control and ease of use.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: April 21, 2015
    Assignee: Razer (Asia-Pacific) Pte. Ltd.
    Inventor: Sian-Chin Tsai
  • Surface coating method
    Patent number: 8110290
    Abstract: A method for forming a multilayer structure on a surface is disclosed. The method comprises forming a body having a surface, the body being substantially light permeable. The method further comprises forming a first layer on the surface of the body, the first layer being substantially light absorbing and having a mark formed therein for permeating light therethrough, and forming a second layer on the first layer, the second layer being substantially light permeable. More specifically, the first layer has a mark formed thereon and light is permeable through the multilayer structure for illuminating the mark.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: February 7, 2012
    Assignee: Razer (Asia-Pacific) Pte Ltd.
    Inventors: Nikolas Ian Lee, Sian Chin Tsai
  • GAME CONTROLLER WITH CLICKABLE TRACKBALL
    Publication number: 20100184514
    Abstract: An improved user input device is disclosed whereby the device is equipped with a trackball in addition to other control devices, such as an analog stick controller (e.g., thumbstick or joystick). The trackball is mounted in such a way that it projects both upwardly and downwardly from the device body in the vertical plane. The user is able to touch and use the trackball from both the upper and lower directions. In a preferred embodiment, the trackball is clickable, affording greater control and ease of use.
    Type: Application
    Filed: July 2, 2007
    Publication date: July 22, 2010
    Inventor: Sian-Chin Tsai
  • SURFACE COATING METHOD
    Publication number: 20090197095
    Abstract: A method for forming a multilayer structure on a surface is disclosed. The method comprises forming a body having a surface, the body being substantially light permeable. The method further comprises forming a first layer on the surface of the body, the first layer being substantially light absorbing and having a mark formed therein for permeating light therethrough, and forming a second layer on the first layer, the second layer being substantially light permeable. More specifically, the first layer has a mark formed thereon and light is permeable through the multilayer structure for illuminating the mark.
    Type: Application
    Filed: January 31, 2008
    Publication date: August 6, 2009
    Applicant: RAZER (ASIA-PACIFIC) PTE LTD
    Inventors: Nikolas Ian LEE, Sian Chin TSAI