Patents by Inventor Go Igarahi

Go Igarahi 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).

  • SPEAKER AND METHOD OF MANUFACTURING A SPEAKER
    Publication number: 20220167090
    Abstract: It is an object to provide a speaker including a strong magnetic circuit and a method of manufacturing a speaker. To achieve the object, a speaker according to the present technology includes an outer magnet and an inner magnet. The outer magnet has a ring shape and is magnetized along an axial direction of the ring shape. The inner magnet has a circular outer shape when viewed from the axial direction of the outer magnet, is magnetized in a direction opposite to a direction of the outer magnet along the axial direction, and is disposed inside the outer magnet through a gap.
    Type: Application
    Filed: March 11, 2020
    Publication date: May 26, 2022
    Applicant: Sony Group Corporation
    Inventors: Naoki Shinmen, Koya Nomoto, Go Igarahi, Takanari Okita