Patents by Inventor Haruki HOSHIKAWA

Haruki HOSHIKAWA 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).

  • Vibrating body for speaker device and speaker device
    Patent number: 9635463
    Abstract: Provided are a vibrating body for speaker device which prevents interlayer from peeling in advance and includes a large effective vibration area, and a speaker device including this vibrating body for speaker device. The vibrating body for speaker device includes a first interlaced fiber member, and a second interlaced fiber member which overlaps with the first interlaced fiber member, and one of the first interlaced fiber member and the second interlaced fiber member includes polyvinyl alcohol fibers containing boron, and an outer circumferential portion of the first interlaced fiber member is larger than an outer circumferential portion of the second interlaced fiber member.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: April 25, 2017
    Assignees: PIONEER CORPORATION, TOHOKU PIONEER CORPORATION, MOGAMI DENKI CORPORATION
    Inventors: Kazuharu Kawata, Haruki Hoshikawa, Yoshihiro Sato, Takanobu Saito
  • VIBRATING BODY FOR SPEAKER DEVICE AND SPEAKER DEVICE
    Publication number: 20160037262
    Abstract: Provided are a vibrating body for speaker device which prevents interlayer from peeling in advance and includes a large effective vibration area, and a speaker device including this vibrating body for speaker device. The vibrating body for speaker device includes a first interlaced fiber member, and a second interlaced fiber member which overlaps with the first interlaced fiber member, and one of the first interlaced fiber member and the second interlaced fiber member includes polyvinyl alcohol fibers containing boron, and an outer circumferential portion of the first interlaced fiber member is larger than an outer circumferential portion of the second interlaced fiber member.
    Type: Application
    Filed: April 1, 2013
    Publication date: February 4, 2016
    Applicants: PIONEER CORPORATION, MOGAMI DENKI CORPORATION, TOHOKU PIONEER CORPORATION
    Inventors: Kazuharu KAWATA, Haruki HOSHIKAWA, Yoshihiro SATO, Takanobu SAITO