Patents by Inventor Shigeharu Yokoyama

Shigeharu Yokoyama 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: 8991880
    Abstract: A door handle device includes: a base member having handle supporting portions provided between a pair of supporting boards facing each other; a handle grip provided with an arm portion protruding at one end of the handle grip, shaft support portions provided on an extreme end of the arm portion and pivotally supported by the handle supporting portions of the base member, and an operating portion provided at the other end of the handle grip and configured to operate a lever provided on the base member; and a double torsion spring having a restriction portion extending between the pair of supporting boards of the base member, and hooked to the supporting boards of the base member by its own biasing force, in which a recessed portion with which the restriction portion of the double torsion spring is engaged is formed in the arm portion of the handle grip.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: March 31, 2015
    Assignees: Mazda Motor Corporation, U-Shin, Ltd.
    Inventors: Shigeharu Yokoyama, Tomoki Takahashi, Atsushi Naka
  • Patent number: 8742257
    Abstract: A cable cap of a control cable has a small-diameter portion and a large-diameter portion on an outer tube side, and a large-diameter portion on a tip side. A bracket includes a cutout groove, into which the small-diameter portion of the cable cap can be inserted from above, an engaging projection that is formed in such a manner as to project from an inner wall of the cutout groove toward another inner wall opposite to the inner wall, and an engaging recess to be engaged with an edge portion of an outer peripheral surface of the large-diameter portion on the outer tube side in a state in which the outer tube side of the control cable is inclined around the small-diameter portion as a fulcrum engaged with the engaging projection by operating force from the outside.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: June 3, 2014
    Assignees: U-Shin Ltd., Mazda Motor Corporation
    Inventors: Takashi Uda, Satoshi Yoshihara, Shigeharu Yokoyama
  • Publication number: 20120267167
    Abstract: The cable cap of the control cable has a small-diameter portion and a large-diameter portion on an outer tube side and a large-diameter portion on a tip side. The bracket includes a cutout groove, into which the small-diameter portion of the cable cap can be inserted from above, an engaging projection that is formed in such a manner as to project from an inner wall of the cutout groove toward another inner wall opposite to the inner wall, and an engaging recess to be engaged with an edge portion of an outer peripheral surface of the large-diameter portion on the outer tube side in a state in which the outer tube side of the control cable is inclined around the small-diameter portion as a fulcrum engaged with the engaging projection by operating force from the outside.
    Type: Application
    Filed: April 19, 2012
    Publication date: October 25, 2012
    Inventors: Takashi UDA, Satoshi Yoshihara, Shigeharu Yokoyama
  • Patent number: 7584573
    Abstract: A glass fixing grommet fixes a glass with a hole to a mount and includes first and second supporting plates. The first supporting plate is attached on one surface of the glass and has a first cylinder portion with a bolt inserting hole for inserting a bolt therein. The second supporting plate is attached on the other surface of the glass to face the first supporting plate. The second supporting plate includes a second cylinder portion to be fitted with the first cylinder portion with a bolt exit, and a nut holding member situated adjacent to the bolt exit for holding a nut thereat. When the first and second supporting plates sandwich the glass, the bolt passes through the mount and the first and second supporting plates to engages the nut to fix the glass to the mount.
    Type: Grant
    Filed: September 21, 2004
    Date of Patent: September 8, 2009
    Assignees: Nifco Inc., Mazda Motor Corporation
    Inventors: Hiroyuki Yoshii, Shigeharu Yokoyama, Tomohiro Kajiyama
  • Publication number: 20050072077
    Abstract: A glass fixing grommet fixes a glass with a hole to a mount and includes first and second supporting plates. The first supporting plate is attached on one surface of the glass and has a first cylinder portion with a bolt inserting hole for inserting a bolt therein. The second supporting plate is attached on the other surface of the glass to face the first supporting plate. The second supporting plate includes a second cylinder portion to be fitted with the first cylinder portion with a bolt exit, and a nut holding member situated adjacent to the bolt exit for holding a nut thereat. When the first and second supporting plates sandwich the glass, the bolt passes through the mount and the first and second supporting plates to engages the nut to fix the glass to the mount.
    Type: Application
    Filed: September 21, 2004
    Publication date: April 7, 2005
    Inventors: Hiroyuki Yoshii, Shigeharu Yokoyama, Tomohiro Kajiyama
  • Patent number: 4969295
    Abstract: The present invention is drawn to a door body of a car capable of opening and closing in which a sash is provided at the upper portion of the door body to form a window space, a door window is provided to be movable in the vertical direction on the door sash, and a corner portion is defined by the door sash and the door body at the front end of the door sash. A corner bracket is provided at the corner portion. A glass guide is provided along the rear end of the corner bracket so as to guide the front edge portion of the door window. A weather strip provided along the door sash to establish a seal between the door sash and the door window has a glass guide portion which extends to an external peripheral edge portion of the door window from an internal peripheral edge portion thereof, and extends to the front end of the corner bracket along the door sash.
    Type: Grant
    Filed: August 8, 1989
    Date of Patent: November 13, 1990
    Assignee: Mazda Motor Corporation
    Inventors: Ikuo Nishikawa, Chikashi Kawamoto, Shigeharu Yokoyama, Noboru Shono