Patents by Inventor Mitsushige Ooka

Mitsushige Ooka 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).

  • Gear for transmission and method for manufacturing the same
    Patent number: 7490529
    Abstract: A method for manufacturing a gear and a gear for a transmission, in which an outer peripheral gear part formed on an outer peripheral wall surface of a main body of a gear, an annularly-shaped concave portion annularly formed at a radial inner part on at least one axial end surface of the main body of the gear within the outer peripheral gear part thereof, a dog gear part formed on an outside peripheral wall surface at a central part formed on the annularly-shaped concave portion, and a taper part comprising an inner corn for being synchro formed on an inside peripheral wall surface formed on the annularly-shaped concave portion, are formed integrally by forging.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: February 17, 2009
    Assignee: O-Oka Corporation
    Inventors: Tomoyoshi Okada, Mitsushige Ooka, Junichi Ooka
  • Gear for transmission and method for manufacturing the same
    Publication number: 20050016309
    Abstract: A method for manufacturing a gear and a gear for a transmission, in which an outer peripheral gear part formed on an outer peripheral wall surface of a main body of a gear, an annularly-shaped concave portion annularly formed at a radial inner part on at least one axial end surface of the main body of the gear within the outer peripheral gear part thereof, a dog gear part formed on an outside peripheral wall surface at a central part formed on the annularly-shaped concave portion, and a taper part comprising an inner corn for synchro formed on an inside peripheral wall surface formed on the annularly-shaped concave portion, are formed integrally by forging.
    Type: Application
    Filed: April 30, 2004
    Publication date: January 27, 2005
    Applicant: O-OKA CORPORATION
    Inventors: Tomoyoshi Okada, Mitsushige Ooka, Junichi Ooka