Patents by Inventor Toshiyuki Nasu

Toshiyuki Nasu 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 in a paper machine
    Patent number: 5334288
    Abstract: A press roll is disclosed for removing water, the press roll provided in the press portion of a paper machine. The press roll has a metal base and a sprayed coating provided on the outer surface of the metal base, at least the outer layer of the sprayed coating being a sprayed mixture of a plastics and at least one of a ceramics and a cermet. The outer surface of the plastic portion of the sprayed coating has a lapped, depressed surface relative to the outer surface of the ceramic or cermet portion.
    Type: Grant
    Filed: September 9, 1992
    Date of Patent: August 2, 1994
    Assignee: Ishikawajima-Harima Heavy Industries Co., Ltd.
    Inventors: Toshiyuki Nasu, Mutsunori Kai
  • Apparatus for distributing materials into vertical type furnace
    Patent number: 4306827
    Abstract: An apparatus for distributing materials into a blast furnace using no bell. The apparatus has a material distributing hopper disposed for a rocking motion around the central axis of said furnace. The rocking motion of the material distributing hopper is caused by an axial movement and rotation of a single drive shaft disposed outside the furnace.
    Type: Grant
    Filed: June 19, 1980
    Date of Patent: December 22, 1981
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Teruo Tsutsumi, Kazumi Inoue, Shuji Asami, Masayuki Kohmoto, Toshiyuki Nasu, Yoshio Seo, Toshio Yasusaka