Patents by Inventor Katsuyasu Morota

Katsuyasu Morota 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).

  • Method for fixing cultured tissue and artificial skin fixed
    Patent number: 6300128
    Abstract: A matrix for tissue culture comprising two kinds of sponges having at least one different physical property and/or at least one different chemical property; a method for culturing tissue using said matrix for tissue culture comprising inoculating and culturing first cell on a first sponge, laminating a second sponge thereon, and inoculating and culturing second cell on said second sponge; a method for fixing a cultured tissue comprising placing a cultured tissue in gelatin solution solated by elevating temperature, lowering temperature to gelatinize gelatin to fix the cultured tissue by said gelatinated gelatin; and an artificial skin fixed comprising dermis layer fixed by gelatin and epidermis layer laminated on the dermis layer.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: October 9, 2001
    Assignee: Gunze Limited
    Inventors: Katsuyasu Morota, Shinichiro Morita
  • Method for producing tissue formation and tissue culture kit
    Patent number: 6051425
    Abstract: A matrix for tissue culture comprising two kinds of sponges having at least one different physical property and/or at least one different chemical property; a method for culturing tissue using said matrix for tissue culture comprising inoculating and culturing first cell on a first sponge, laminating a second sponge thereon, and inoculating and culturing second cell on said second sponge; a method for fixing a cultured tissue comprising placing a cultured tissue in gelatin solution solated by elevating temperature, lowering temperature to gelatinize gelatin to fix the cultured tissue by said gelatinated gelatin; and an artificial skin fixed comprising dermis layer fixed by gelatin and epidermis layer laminated on the dermis layer.
    Type: Grant
    Filed: May 19, 1997
    Date of Patent: April 18, 2000
    Assignee: Gunze Limited
    Inventors: Katsuyasu Morota, Shinichiro Morita