Patents by Inventor Makoto Mukoyama

Makoto Mukoyama 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).

  • Device for absorbing impact energy
    Patent number: 4255986
    Abstract: A device for absorbing impact energy including a shaft assembly which includes a tubular member and a rod like member coupled to the tubular member such that the shaft assembly can contract, at least one orifice provided in the shaft assembly and connecting the interior of the tubular member with the exterior of the tubular member, an energy absorbing material provided in the interior of the tubular member and a receiving chamber provided on the shaft assembly adjacent the reduction whereby when impact energy is applied to the shaft assembly, the impact absorbing material flows through the orifice and is contained in the receiving chamber.
    Type: Grant
    Filed: August 14, 1978
    Date of Patent: March 17, 1981
    Assignee: Toyota Jidosha Kogya Kabushiki Kaisha
    Inventor: Makoto Mukoyama