Patents by Inventor Tomihisa Kawaguchi

Tomihisa Kawaguchi 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 of preserving wine in a bottle and a wine preserving container
    Patent number: 4942960
    Abstract: A bottle of wine is received in a container with a cover, both being made of foamed polystyrene. Polyacrylate, as a water-absorbing material moist with water, is put in the inner space defined by the container and the cover to impart a nearly constant humid condition in the inner space.
    Type: Grant
    Filed: April 5, 1989
    Date of Patent: July 24, 1990
    Inventors: Tomihisa Kawaguchi, Akira Ota, Akira Kawasaki
  • Method of preserving wine in a bottle and a wine preserving container
    Patent number: 4850480
    Abstract: A bottle of wine is received in a container with a cover, both being made of foamed polystyrene. Polyacrylate, as a water-absorbing material moist with water, is put in the inner space defined by the container and the cover to impart a nearly constant humid condition in the inner space.
    Type: Grant
    Filed: October 23, 1987
    Date of Patent: July 25, 1989
    Inventors: Tomihisa Kawaguchi, Akira Ota, Akira Kawasaki