Patents by Inventor Tsutomu Nakaya

Tsutomu Nakaya 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).

  • Sleeve to be attached to the reel on a winding or rewinding machine
    Patent number: 4697757
    Abstract: A sleeve to be attached to a reel on a steel strip winding or rewinding machine, which comprises a cylindrical, high-strength elastic resin layer and a leather layer which is adhered to the outer periphery of the resin layer.
    Type: Grant
    Filed: March 10, 1986
    Date of Patent: October 6, 1987
    Assignee: Okashiro Sangyo Kabushiki Kaisha
    Inventors: Tsutomu Nakaya, Masayoshi Maruyama