Patents by Inventor Yukihiro Yoshimura

Yukihiro Yoshimura 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).

  • Low density body
    Patent number: 6133170
    Abstract: A low density body such as a sheet, board or molding usable as a cushioning material, heat-insulating material, sound-absorbing material, filter, low density base paper or the like is provided. The low density body having a density of 0.05 to 0.45 g/cm.sup.3 is prepared by dewatering a slurry containing fine fibers having a bond-reinforcing factor of at least 0.15 and curled fibers having a wet curl factor of 0.4 to 1.0, and drying the resultant product.
    Type: Grant
    Filed: January 22, 1998
    Date of Patent: October 17, 2000
    Assignee: Oji Paper Co., Ltd.
    Inventors: Hiroshi Suenaga, Yukihiro Yoshimura, Hisao Ishikawa