Patents by Inventor Dave Cheng

Dave Cheng 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: 20240120647
    Abstract: The present disclosure relates to a switching device including a switch as well as a first port, a second port and a third port. The switch has at least two different switching states. The first port is connected with the third port in a first switching state. The second port is connected with the third port in a second switching state. The switching device is capable of automatically setting the switching state of the switch in dependency of a direct current bias. Further, a setup is described.
    Type: Application
    Filed: October 7, 2022
    Publication date: April 11, 2024
    Applicant: Rohde & Schwarz GmbH & Co. KG
    Inventors: Saxon Liw, Terence Chin, Dave Cheng
  • Patent number: D921169
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: June 1, 2021
    Assignee: TOFORD PLASTIC MANUFACTURING CORP.
    Inventor: Dave Cheng