Patents by Inventor Masaharu Hirata

Masaharu Hirata 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: 11207052
    Abstract: To reduce noise which leaks to the outside in an ultrasonic diagnostic apparatus. An internal AC wiring unit 34 is composed of internal AC wiring which is installed on the input side of a power source circuit, and a shield case 38 which accommodates it. The internal AC wiring includes an inlet, a plurality of connectors, a relay substrate, and a plurality of internal AC cables. The internal AC wiring is protected from radiation noise which is generated in a casing 22 by the shield case 38. Thereby, the noise which leaks to the outside via an external AC cable is reduced.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: December 28, 2021
    Assignee: HITACHI, LTD.
    Inventors: Hidenao Kubota, Masaharu Hirata, Yuta Tokita
  • Publication number: 20200253581
    Abstract: To reduce noise which leaks to the outside in an ultrasonic diagnostic apparatus. An internal AC wiring unit 34 is composed of internal AC wiring which is installed on the input side of a power source circuit, and a shield case 38 which accommodates it. The internal AC wiring includes an inlet, a plurality of connectors, a relay substrate, and a plurality of internal AC cables. The internal AC wiring is protected from radiation noise which is generated in a casing 22 by the shield case 38. Thereby, the noise which leaks to the outside via an external AC cable is reduced.
    Type: Application
    Filed: January 8, 2020
    Publication date: August 13, 2020
    Applicant: Hitachi, Ltd.
    Inventors: Hidenao Kubota, Masaharu Hirata, Yuta Tokita