Patents by Inventor Noriyuki Mifune

Noriyuki Mifune 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).

  • Member having composite coating and process for producing the same
    Patent number: 6129994
    Abstract: A composite steel sheet including a steel base member; an undercoat having opposed surfaces and a thickness of 10-750 .mu.m obtained by spraying one or more spraying materials selected from metals, non-oxide ceramics, oxide ceramics and cermets onto the steel base member. The undercoat has an oxide layer of not less then 0.5 .mu.m in thickness on one of the opposed surfaces positioned away from said steel base member. A fired topcoat is formed on the oxide layer of the undercoat from a vitreous coating having a linear expansion coefficient of 4-11.times.10.sup.-6 /.degree.C.
    Type: Grant
    Filed: September 3, 1997
    Date of Patent: October 10, 2000
    Assignee: Tocalo Co., Ltd.
    Inventors: Yoshio Harada, Noriyuki Mifune, Hirofumi Hisano
  • Roll for use in heat treating furnace and method of producing the same
    Patent number: 5161306
    Abstract: In order to prevent production of build-up resistance and wear resistance on a roll for use in heat treating furnace effectively, an alloy layer, a cermet sprayed layer having reinforced zone and a chemical conversion coating are provide in this order on a roll substrate to form a multi-coating layer.
    Type: Grant
    Filed: September 6, 1991
    Date of Patent: November 10, 1992
    Assignee: Tocalo Co., Ltd.
    Inventors: Akira Nakahira, Yoshio Harada, Noriyuki Mifune
  • Roll for use in heat treating furnace and method of producing the same
    Patent number: 5070587
    Abstract: In order to prevent production of build-up resistance and wear resistance on a roll for use in heat treating furnace effectively, an alloy layer, a cermet sprayed layer having reinforced zone and a chemical conversion coating are provide in this order on a roll substrate to form a multi-coating layer.
    Type: Grant
    Filed: August 9, 1990
    Date of Patent: December 10, 1991
    Assignee: Tocalo Co., Ltd.
    Inventors: Akira Nakahira, Yoshio Harada, Noriyuki Mifune