Patents by Inventor Toshihiko Sakamoto

Toshihiko Sakamoto 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).

  • Leather-like sheet and process for the production thereof
    Patent number: 8465800
    Abstract: The invention is to provide a leather-like sheet having a fine image drawn by an inkjet printing method, etc., on its surface and having practically sufficient physical properties. This invention includes a leather-like sheet including (i) a fibrous substrate and (ii) a porous layer thereon, the porous layer having a surface having open pores with a diameter of 1 ?m or more and the porous layer having the surface having an image whose definition is 5 dots/mm or more, and a process for the production thereof.
    Type: Grant
    Filed: February 26, 2008
    Date of Patent: June 18, 2013
    Assignee: Teijin Cordley Limited
    Inventors: Kunihiko Sasaki, Toshihiko Sakamoto
  • LEATHER-LIKE SHEET AND PROCESS FOR THE PRODUCTION THEREOF
    Publication number: 20110008575
    Abstract: The invention is to provide a leather-like sheet having a fine image drawn by an inkjet printing method, etc., on its surface and having practically sufficient physical properties. This invention includes a leather-like sheet comprising (i) a fibrous substrate and (ii) a porous layer thereon, the porous layer having a surface having open pores with a diameter of 1 ?m or more and the porous layer having the surface having an image whose definition is 5 dots/mm or more, and a process for the production thereof.
    Type: Application
    Filed: February 26, 2008
    Publication date: January 13, 2011
    Applicant: TEIJIN CORDEY LIMITED
    Inventors: Kunihiko Sasaki, Toshihiko Sakamoto