Patents by Inventor Yoshihiro Sameshima

Yoshihiro Sameshima 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).

  • Rotor hub, motor, and disk driving device
    Patent number: 8760799
    Abstract: A rotor hub includes a shaft connecting portion arranged to be connected to a shaft serving as a central axis, a disk loading portion centered about the central axis and arranged to support a disk shaped storage medium mounted thereon, a yoke arranged below the disk loading portion and supporting a field magnet at one of an inner side surface thereof and an outer side surface thereof, and a flexible portion connecting the disk loading portion to the yoke and being flexible with respect to a force applied thereto from the yoke.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: June 24, 2014
    Assignee: Nidec Corporation
    Inventors: Takuro Iguchi, Yoshihiro Sameshima, Takehito Tamaoka, Ryouji Sugiura
  • ROTOR HUB, MOTOR, AND DISK DRIVING DEVICE
    Publication number: 20120250488
    Abstract: A rotor hub includes a shaft connecting portion arranged to be connected to a shaft serving as a central axis, a disk loading portion centered about the central axis and arranged to support a disk shaped storage medium mounted thereon, a yoke arranged below the disk loading portion and supporting a field magnet at one of an inner side surface thereof and an outer side surface thereof, and a flexible portion connecting the disk loading portion to the yoke and being flexible with respect to a force applied thereto from the yoke.
    Type: Application
    Filed: June 11, 2012
    Publication date: October 4, 2012
    Applicant: NIDEC CORPORATION
    Inventors: Takuro IGUCHI, Yoshihiro SAMESHIMA, Takehito TAMAOKA, Ryouji SUGIURA
  • Rotor hub, motor, and disk driving device
    Patent number: 8223455
    Abstract: A rotor hub includes a shaft connecting portion arranged to be connected to a shaft serving as a central axis, a disk loading portion centered about the central axis and arranged to support a disk shaped storage medium mounted thereon, a yoke arranged below the disk loading portion and supporting a field magnet at one of an inner side surface thereof and an outer side surface thereof, and a flexible portion connecting the disk loading portion to the yoke and being flexible with respect to a force applied thereto from the yoke.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: July 17, 2012
    Assignee: Nidec Corporation
    Inventors: Takuro Iguchi, Yoshihiro Sameshima, Takehito Tamaoka, Ryouji Sugiura
  • ROTOR HUB, MOTOR, AND DISK DRIVING DEVICE
    Publication number: 20070211375
    Abstract: A rotor hub includes a shaft connecting portion arranged to be connected to a shaft serving as a central axis, a disk loading portion centered about the central axis and arranged to support a disk shaped storage medium mounted thereon, a yoke arranged below the disk loading portion and supporting a field magnet at one of an inner side surface thereof and an outer side surface thereof, and a flexible portion connecting the disk loading portion to the yoke and being flexible with respect to a force applied thereto from the yoke.
    Type: Application
    Filed: March 9, 2007
    Publication date: September 13, 2007
    Applicant: NIDEC CORPORATION
    Inventors: Takuro Iguchi, Yoshihiro Sameshima, Takehito Tamaoka, Ryouji Sugiura