Patents by Inventor Hanfei LIU

Hanfei 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).

  • Publication number: 20220143746
    Abstract: An oscillator unit has: a housing for housing a laser beam source and a laser beam source drive circuit; and connection portions connected to cables at a side of the housing, connection portions connected to cables at the side, and a connection portion connected to an optical fiber cable at the side.
    Type: Application
    Filed: December 10, 2019
    Publication date: May 12, 2022
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Keita NAGATOSHI, Naoya YAMAZAKI, Akihisa MATSUMOTO, Hanfei LIU, Koichi WAKAKO