Patents by Inventor Fumi K. Hida

Fumi K. Hida 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).

  • Publication number: 20070193030
    Abstract: A gear member for an automatically shiftable vehicular transmission is provided having a gear body with a generally cylindrical outer surface having a plurality of radially outwardly extending gear teeth formed thereon. An inner surface is generally coaxially disposed with respect to the generally cylindrical outer surface and extends for at least a portion of the gear body. Additionally, a plurality of radially inwardly extending splines is formed on at least a portion of the inner surface. At least one of the plurality of radially outwardly extending gear teeth and the plurality of radially inwardly extending splines are cold extruded. A method of forming the gear member is also provided including forming a generally tubular blank by reverse extrusion of a generally cylindrical slug. Subsequently, a plurality gear teeth are formed on at least a portion of the generally tubular blank by cold extrusion to form the gear member.
    Type: Application
    Filed: January 3, 2007
    Publication date: August 23, 2007
    Applicant: GM Global Technology Operations, Inc.
    Inventors: Young Sik Kim, Fumi K. Hida