Patents by Inventor Shinichi Inoguchi

Shinichi Inoguchi 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).

  • Method for manufacturing leaf springs
    Patent number: 9278387
    Abstract: A method for producing a leaf spring having a leaf portion and an eye portion formed at the leaf portion including: forming a gap between a leading end of the eye and a facing surface facing the leading end, and shot peening an inner surface of the eye via a reflection member, wherein, at a cross section perpendicular to an axial direction of the eye portion, the leading end of the eye faces the facing surface so a straight line does not cross the leading end of the eye, the straight line connecting an intersection point and a center point of a reflection member surface, the intersection point being the intersection of a line perpendicular to the facing surface extending through an endpoint of the leaf side of the leading end of the eye to the surface.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: March 8, 2016
    Assignee: NHK SPRING CO., LTD.
    Inventors: Akira Tange, Kiyoshi Kurimoto, Yurika Goto, Iwao Shigeoka, Tadakazu Kato, Shinichi Inoguchi
  • METHOD FOR MANUFACTURING LEAF SPRINGS
    Publication number: 20130111961
    Abstract: A method for producing a leaf spring having a leaf portion and an eye portion formed at the leaf portion including: forming a gap between a leading end of the eye and a facing surface facing the leading end, and shot peening an inner surface of the eye via a reflection member, wherein, at a cross section perpendicular to an axial direction of the eye portion, the leading end of the eye faces the facing surface so a straight line does not cross the leading end of the eye, the straight line connecting an intersection point and a center point of a reflection member surface, the intersection point being the intersection of a line perpendicular to the facing surface extending through an endpoint of the leaf side of the leading end of the eye to the surface.
    Type: Application
    Filed: May 12, 2011
    Publication date: May 9, 2013
    Applicant: NHK SPRING CO., LTD.
    Inventors: Akira Tange, Kiyoshi Kurimoto, Yurika Goto, Iwao Shigeoka, Tadakazu Kato, Shinichi Inoguchi