Patents by Inventor Kenji Ikehara

Kenji Ikehara 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).

  • Porous reinforcement sheet
    Patent number: 4908251
    Abstract: A reinforcement type porous sheet comprising(a) a laminated sheet comprising a hot melt type porous sheet and a plastic porous sheet, and(b) a porous substrate bonded to the hot melt type porous sheet.
    Type: Grant
    Filed: September 1, 1987
    Date of Patent: March 13, 1990
    Assignee: Nitto Denko Corporation
    Inventors: Mituo Iimura, Masatoshi Heguri, Satoru Gunji, Kenji Ikehara