Patents by Inventor Yoshiharu Kumura

Yoshiharu Kumura 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).

  • Vehicle speaker
    Patent number: 8155344
    Abstract: A vehicle speaker including a panel, a giant magnetostrictive vibrator, and a vibration transmission pad. The panel is used as a diaphragm for producing high-frequency sound and forms part of a vehicle. The giant magnetostrictive vibrator is used as a vibration exciter for the panel and includes a vibration output shaft that vibrates in accordance with a signal for producing high-frequency sound. The vibration transmission pad is fixed to the panel and connected to the vibration output shaft in a manner enabling vibration transmission. The vibration transmission pad vibrates the panel when the vibration output shaft vibrates.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: April 10, 2012
    Assignees: Kabushiki Kaisha Toyota Jidoshokki, Frey Co., Ltd., Foster Electric Company, Limited
    Inventors: Yasushi Iimori, Yoshiharu Kumura, Motoaki Suzukawa, Yasuo Higashidate, Hirofumi Onohara
  • VEHICLE SPEAKER
    Publication number: 20090169031
    Abstract: A vehicle speaker including a panel, a giant magnetostrictive vibrator, and a vibration transmission pad. The panel is used as a diaphragm for producing high-frequency sound and forms part of a vehicle. The giant magnetostrictive vibrator is used as a vibration exciter for the panel and includes a vibration output shaft that vibrates in accordance with a signal for producing high-frequency sound. The vibration transmission pad is fixed to the panel and connected to the vibration output shaft in a manner enabling vibration transmission. The vibration transmission pad vibrates the panel when the vibration output shaft vibrates.
    Type: Application
    Filed: December 23, 2008
    Publication date: July 2, 2009
    Inventors: Yasushi Iimori, Yoshiharu Kumura, Motoaki Suzukawa, Yasuo Higashidate, Hirofumi Onohara