Patents by Inventor Toshihiko Korenobu

Toshihiko Korenobu 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).

  • Locking member for a clamping bolt
    Patent number: 4284114
    Abstract: A locking member for preventing a clamping bolt or nut for a rail fastener from loosening. The locking member has a downwardly extending leg for engaging the rail fastener which is clamped by the clamping bolt for preventing the bolt from loosening.
    Type: Grant
    Filed: April 12, 1979
    Date of Patent: August 18, 1981
    Inventor: Toshihiko Korenobu