Patents by Inventor Shoichi Katoh

Shoichi Katoh 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).

  • Cermet powder for sprayed coating excellent in build-up resistance and roll having sprayed coating thereon
    Patent number: 6572518
    Abstract: A cermet powder for thermal spray coating, which is sprayed on a roll surface of a conveyer roll inside a furnace for heat treating a high tensile strength steel strip thereby to form a coating film, comprises: an alloy powder containing 3 to 8 mass % of Al, 16 to 25 mass % of Cr, 0.1 to 1 mass % of Y, and at least one of Co and Ni as the residual, with respect to the whole amount of the cermet powder; and a ceramic powder containing at least one of 1 to 5 mass % of a boride and 5 to 10 mass % of a carbide, with respect to the whole amount of the cermet powder.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: June 3, 2003
    Assignees: Kawasaki Steel Corporation, Praxair S. T. Technology, Inc.
    Inventors: Satoru Midorikawa, Shoichi Katoh
  • Molten zinc resistant alloy and its manufacturing method
    Patent number: 5456950
    Abstract: An alloy of 3 to 9 weight percent boron with the balance molybdenum for use as a thermal spray coating for articles intended to be exposed to molten zinc.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: October 10, 1995
    Assignee: Praxair S.T. Technology, Inc.
    Inventors: John C. Wood, Shoichi Katoh, Hideo Nitta
  • Silicide coating having good resistance to molten metals
    Patent number: 5389454
    Abstract: A silicide of a refractory metal such as Cr, Mo, Ta, Nb, W, Zr, Ti and V, preferably CrSi.sub.2 and MoSi.sub.2 are materials that are resistant to attack by molten metals, such as zinc, and which materials can provide coatings for various articles. The method for producing the coated materials is also disclosed.
    Type: Grant
    Filed: October 28, 1993
    Date of Patent: February 14, 1995
    Assignee: Praxair S.T. Technology, Inc.
    Inventors: John C. Wood, Shoichi Katoh
  • Molten zinc resistant alloy and its manufacturing method
    Patent number: 5360675
    Abstract: An alloy of 3 to 9 weight percent boron with the balance molybdenum for use as a thermal spray coating for articles intended to be exposed to molten zinc.
    Type: Grant
    Filed: May 11, 1993
    Date of Patent: November 1, 1994
    Assignee: Praxair S.T. Technology, Inc.
    Inventors: John C. Wood, Shoichi Katoh, Hideo Nitta
  • Plastic film package with perforated edge portions
    Patent number: 5129518
    Abstract: A package is disclosed which includes an enclosed article, and a thermally shrinkable, synthetic resin film enclosing the article and having opposite, first and second edge portions, the first edge portion being superimposed on and sealed to the second edge portion to form a sealed, overlap portion, the film having perforations arranged in a row in at least one of the first and second edge portions and a coating of a seal-preventive agent provided in part of the overlap portion for weakening the seal in the overlap portion.
    Type: Grant
    Filed: December 19, 1990
    Date of Patent: July 14, 1992
    Assignee: Okura Industrial Co., Ltd.
    Inventors: Katsuhiro Tanaka, Shoichi Katoh, Kenji Ohishi