Patents by Inventor Masahiro Hayase

Masahiro Hayase 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).

  • Process for producing a zirconia refractory heating element
    Patent number: 5154785
    Abstract: A process for producing a laminate-shaped zirconia refractory heating element which generates heat by passing a current therethrough or by induction heating including the steps of incorporating a flexible binder in a filler composed of zirconia fibers and stabilized zirconia powder, forming the mixture into a refractory sheet having flexibility at room temperature, laminating the refractory sheet to form a multi-layer and firing the laminate.
    Type: Grant
    Filed: March 14, 1991
    Date of Patent: October 13, 1992
    Assignee: Shinagawa Shirorenga Kabushiki Kaisha
    Inventors: Katsuhiro Tabata, Masahiro Hayase, Hajime Asami, Hiroyuki Asakura, Kenji Mitsui
  • Zirconia refractory heating element
    Patent number: 5073689
    Abstract: The present invention provides a zirconia fiber-based or zirconia fiber-reinforced zirconia heating element which can be used in an oxidizing atmosphere at an elevated temperature.
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: December 17, 1991
    Assignee: Shinagawa Shirorenga Kabushiki Kaisha
    Inventors: Katsuhiro Tabata, Masahiro Hayase, Hajime Asami, Hiroyuki Asakura, Kenji Mitsui
  • Apparatus for making hearth of kiln under vibration
    Patent number: 4400334
    Abstract: An apparatus and method for making a hearth of kiln under vibration comprising mounting vibrating mechanisms to a pressurizing plate in which the area of the pressurizing surface is in the range 0.5-5 m.sup.2, and said vibrating mechanisms are mounted to the pressurizing plate directly or through a frame.
    Type: Grant
    Filed: October 15, 1981
    Date of Patent: August 23, 1983
    Assignee: Shinagawa Refractories Co., Ltd.
    Inventors: Shigeru Okuda, Masashi Mori, Masahiro Hayase
  • Hot repair gun refractory mix for a lining refractory
    Patent number: 4298391
    Abstract: A hot repair gun refractory mix which comprises a granulated material which is preformed by covering the surface of a carbonaceous substance particle with a fine refractory powder.
    Type: Grant
    Filed: December 31, 1979
    Date of Patent: November 3, 1981
    Assignee: Shinagawa Refractories Co., Ltd.
    Inventors: Masahiro Hayase, Hiroyuki Sugimoto, Mitsuteru Takemoto
  • Method for the prevention of slaking of dolomite bricks
    Patent number: 4157621
    Abstract: A method for preventing installed dolomite refractory and magnesia-dolomite refractory from slaking by feeding a dry air into a converter or the like after it was installed with said dolomite refractory and said magnesia-dolomite refractory, circulating the dry air in and through the converter while always maintaining the interior of the converter or the like under positive pressure.
    Type: Grant
    Filed: October 27, 1977
    Date of Patent: June 12, 1979
    Assignees: Shinagana Refractories Co. Ltd., Sumito Metal Industries, Ltd.
    Inventors: Sadame Asano, Masahiro Hayase, Hiromasa Tabuchi, Masao Takagi, Koichi Kasai, Koei Hoshino, Suejiro Fukuya, Hiroaki Hirahara