Patents by Inventor Yuan-Fu Li

Yuan-Fu Li 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).

  • Publication number: 20250130654
    Abstract: A method for controlling a plurality of types of styluses includes steps of: outputting a first uplink signal corresponding to a first type of stylus among the plurality of types of styluses, to detect the first type of stylus; and outputting a second uplink signal corresponding to a second type of stylus among the plurality of types of styluses, to detect the second type of stylus. The second type is different from the first type.
    Type: Application
    Filed: August 29, 2024
    Publication date: April 24, 2025
    Applicant: NOVATEK Microelectronics Corp.
    Inventors: Jyun-Sian Li, Jyun-Yu Jhang, Ta-Keng Weng, Yuan-Fu Hsueh, Yun-Hsiang Yeh
  • Patent number: D616424
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: May 25, 2010
    Assignee: AmTran Technology Co., Ltd
    Inventor: Yuan-Fu Li
  • Patent number: D627350
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: November 16, 2010
    Assignee: Amtran Technology Co., Ltd
    Inventor: Yuan-Fu Li
  • Patent number: D627352
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: November 16, 2010
    Assignee: AmTRAN Technology Co., Ltd
    Inventor: Yuan-Fu Li
  • Patent number: D663728
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: July 17, 2012
    Assignee: AmTRAN TECHNOLOGY Co., Ltd
    Inventors: Kuan-Hung Chen, Chia-Hui Chang, Chi-Feng Ho, Yuan-Fu Li, Yi-Hsiu Shih
  • Patent number: D689453
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: September 10, 2013
    Assignee: AmTRAN TECHNOLOGY Co. Ltd
    Inventors: Kuan-Hung Chen, Chia-Hui Chang, Chi-Feng Ho, Yuan-Fu Li, Yi-Hsiu Shih
  • Patent number: D695299
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: December 10, 2013
    Assignee: AmTRAN Technology Co., Ltd.
    Inventor: Yuan-Fu Li
  • Patent number: D698794
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: February 4, 2014
    Assignee: AmTRAN Technology Co., Ltd.
    Inventor: Yuan-Fu Li