Patents by Inventor Mikio Fukumitsu

Mikio Fukumitsu 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).

  • Press roll for paper machines
    Patent number: 4704776
    Abstract: A paper machine press roll comprising, as integrally joined together, a metal core, a ground layer comprising a metal material layer formed over the outer periphery of the core and having a smaller coefficient of expansion than the surface material of the core, and a ceramics layer formed over the ground layer and having a porosity of 1 to 30%.
    Type: Grant
    Filed: April 25, 1986
    Date of Patent: November 10, 1987
    Assignee: Yamauchi Rubber Industry Co., Ltd.
    Inventors: Atsuo Watanabe, Mikio Fukumitsu