Patents by Inventor Yi-Ping Liu

Yi-Ping Liu 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).

  • Patent number: 11943373
    Abstract: An identity certificate may be issued to a blockchain node. The issuance may include issuing a first identity certificate to a first terminal and receiving a second identity certificate issuance request that is from the first terminal. A second identity certificate may be issued to the first terminal, and a third identity certificate issuance request is received from the second terminal. A third identity certificate is issued to the second terminal, so that the second terminal forwards the third identity certificate to the third terminal.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: March 26, 2024
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Mao Cai Li, Zong You Wang, Kai Ban Zhou, Chang Qing Yang, Hu Lan, Li Kong, Jin Song Zhang, Yi Fang Shi, Geng Liang Zhu, Qu Cheng Liu, Qiu Ping Chen
  • Publication number: 20090098469
    Abstract: Design rules are described for a phase alternating shift mask for minimum chrome width and maximum segment length, where an embodiment employs during a cleaning process of the mask a megasonic power of 50 Watts at 1 MHz, and 30 Watts at 3 MHz. Some embodiments utilize an dry etch Carbon Tetrafluoride and Dioxygen based process. Other embodiments are described and claimed.
    Type: Application
    Filed: October 12, 2007
    Publication date: April 16, 2009
    Inventors: Kishore K. Chakravorty, Sven Henrichs, Yi-Ping Liu, Henry Yun, Brian Irving, Alexander Tritchkov, Karmen Yung