Patents by Inventor Hisao Nishiguchi

Hisao Nishiguchi 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).

  • Warming tool in a sheet form
    Patent number: 8256412
    Abstract: A warming device of sheet form having (1) a heat generating sheet prepared by papermaking and containing an oxidizable metal, a moisture retaining agent, and a fibrous material and (2) an air permeable holder holding the heat generating sheet. The warming device has a thickness of 0.1 to 10 mm and a flexural strength of 0.01 to 0.3 N/cm. The sheet preferably has a thickness of 0.1 to 2.0 mm. The fibrous material preferably has a CSF of 600 ml or less.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: September 4, 2012
    Assignee: Kao Corporation
    Inventors: Yoshiaki Kumamoto, Masataka Ishikawa, Hironobu Kawajiri, Hisao Nishiguchi
  • Warming tool in a sheet form
    Publication number: 20070020412
    Abstract: A warming device of sheet form having (1) a heat generating sheet prepared by papermaking and containing an oxidizable metal, a moisture retaining agent, and a fibrous material and (2) an air permeable holder holding the heat generating sheet. The warming device has a thickness of 0.1 to 10 mm and a flexural strength of 0.01 to 0.3 N/cm. The sheet preferably has a thickness of 0.1 to 2.0 mm. The fibrous material preferably has a CSF of 600 ml or less.
    Type: Application
    Filed: July 29, 2004
    Publication date: January 25, 2007
    Inventors: Yoshiaki Kumamoto, Masataka Ishikawa, Hironobu Kawajiri, Hisao Nishiguchi