Patents by Inventor Yasunari TAKABATAKE

Yasunari TAKABATAKE 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
    Patent number: 11172307
    Abstract: One or more holes are formed in a first diaphragm. A second diaphragm is arranged on a sound emitting side of the first diaphragm. A driver includes a magnetic circuit and a voice coil, and vibrates the first and second diaphragms. The second diaphragm includes a rigidity-reinforcing portion in which a rigidity of the second diaphragm is reinforced at a position facing at least one hole of the one or more holes.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: November 9, 2021
    Assignee: JVCKENWOOD CORPORATION
    Inventors: Takahiro Kubota, Yasunari Takabatake, Yuji Negishi, Kazuyuki Inagaki
  • SPEAKER
    Publication number: 20210067876
    Abstract: One or more holes are formed in a first diaphragm. A second diaphragm is arranged on a sound emitting side of the first diaphragm. A driver includes a magnetic circuit and a voice coil, and vibrates the first and second diaphragms. The second diaphragm includes a rigidity-reinforcing portion in which a rigidity of the second diaphragm is reinforced at a position facing at least one hole of the one or more holes.
    Type: Application
    Filed: August 24, 2020
    Publication date: March 4, 2021
    Inventors: Takahiro KUBOTA, Yasunari TAKABATAKE, Yuji NEGISHI, Kazuyuki INAGAKI