Patents by Inventor TAKANORI HIGASHI

TAKANORI HIGASHI 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).

  • Switching transistor and semiconductor module to suppress signal distortion
    Patent number: 11682720
    Abstract: [Overview] [Problem to be Solved] To provide a switching transistor and a semiconductor module having lower distortion generated in a signal. [Solution] A switching transistor including: a channel layer including a compound semiconductor and having sheet electron density equal to or higher than 1.7×1013 cm?2; a barrier layer formed on the channel layer by using a compound semiconductor that is of a different type from the channel layer; a gate electrode provided on the barrier layer; and a source electrode and a drain electrode provided on the barrier layer with the gate electrode interposed between the source electrode and the drain electrode.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: June 20, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Satoshi Taniguchi, Masashi Yanagita, Katsuhiko Takeuchi, Shigeru Kanematsu, Takanori Higashi
  • SWITCHING TRANSISTOR AND SEMICONDUCTOR MODULE
    Publication number: 20210111277
    Abstract: [Overview] [Problem to be Solved] To provide a switching transistor and a semiconductor module having lower distortion generated in a signal. [Solution] A switching transistor including: a channel layer including a compound semiconductor and having sheet electron density equal to or higher than 1.7×1013 cm?2; a barrier layer formed on the channel layer by using a compound semiconductor that is of a different type from the channel layer; a gate electrode provided on the barrier layer; and a source electrode and a drain electrode provided on the barrier layer with the gate electrode interposed between the source electrode and the drain electrode.
    Type: Application
    Filed: March 20, 2019
    Publication date: April 15, 2021
    Inventors: SATOSHI TANIGUCHI, MASASHI YANAGITA, KATSUHIKO TAKEUCHI, SHIGERU KANEMATSU, TAKANORI HIGASHI