Patents by Inventor Masanobu Sudo

Masanobu Sudo 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).

  • Patent number: 4753082
    Abstract: A method for manufacturing ice comprising the steps of: supplying gas into a pressure-resistant vessel containing ice grains, the pressure of the supplied gas being kept increased; applying a press force to the ice grains to increase the density of the ice grains, contact portions of the ice grains being allowed to be melted; and cooling the ice grains, in the pressed state, to freeze the ice grains. Gas to be introduced into the vessel is at least one selected from those of air, oxygen and carbon dioxide. An apparatus used for the method is also provided.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: June 28, 1988
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Masanobu Sudo, Masanori Inoue, Takao Ebinuma