Patents by Inventor Akinobu Harada

Akinobu Harada 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).

  • Patent number: 5639206
    Abstract: A transferring device is provided for transferring an article between vacuum chambers. The transferring device comprises a cylindrical float member, and a transferring rod connected to and extending along an axial direction for supporting an article. At least one magnetic member is disposed on a peripheral surface of the float member. A cylindrical partition member having a thin, uniform circular cross-sectional thickness is disposed between the electromagnet and the float member. A support member is disposed within the partition member for reciprocating movement between opposite ends of the partition member. The support member supports at least one electromagnet and at least one sensor in spaced apart and facing relation with respect to the magnetic member for magnetically floating the float member and to drive the same in the axial direction.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: June 17, 1997
    Assignee: Seiko Seiki Kabushiki Kaisha
    Inventors: Yoshimasa Oda, Shinji Koyano, Akinobu Harada
  • Patent number: 4109458
    Abstract: A day and date correcting device in a timepiece having a day-star wheel and an annular date ring mounted concentrically of the day-star wheel. A correcting lever is positioned between the day-star wheel and the date ring, and the correcting lever has a first protrusion for engaging the day-star wheel to advance the same, and a second protrusion opposite the date ring for engaging the date ring to advance the same. A tab extends from the correcting lever. A correcting wheel having a peripheral tooth is mounted for rotation adjacent the tab and is positioned to engage the tab upon rotation of the correcting wheel to slide the correcting lever to a day correcting position and a date correcting position according to the direction of rotation of the correcting wheel for effecting day and date correction. The correcting wheel is manually rotatable.
    Type: Grant
    Filed: November 24, 1976
    Date of Patent: August 29, 1978
    Assignee: Kabushiki Kaisha Daini Seikosha
    Inventors: Keiichi Suzuki, Keikichi Takahashi, Eiichi Matsuura, Akinobu Harada