Patents by Inventor Tomoko Hashimukai

Tomoko Hashimukai 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).

  • Artificial blood vessel
    Patent number: 5545212
    Abstract: An artificial blood vessel is formed of a tubular body of composite fibers. The composite fibers are composed of a polyethylene terephthalate and a polyester elastic body which are materials familiar with the tissue of an organism. The tubular body is produced by weaving, knitting or assembling processing, or the combined processing thereof, of the composite fibers.
    Type: Grant
    Filed: November 21, 1994
    Date of Patent: August 13, 1996
    Assignees: Terumo Kabushiki Kaisha, Seiren Co., Ltd.
    Inventors: Sobei Wakabayashi, Tomoko Hashimukai, Takeo Katakura, Yoshihito Takano
  • Leukocyte-removing filter and leukocyte-removing apparatus furnished therewith
    Patent number: 5498336
    Abstract: A filter for removing leukocytes and thrombocytes from a solution containing blood components, such as CRC, comprises a filter material having a first surface serving as an inlet surface and a second surface serving as an outlet surface. The outlet surface has a positive zeta potential greater than that of the inlet surface in an electrolyte solution having a pH value of 5.0 to 7.0.
    Type: Grant
    Filed: February 10, 1993
    Date of Patent: March 12, 1996
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Naoki Katsurada, Sobei Wakabayashi, Tomoko Hashimukai, Yoshitaka Omura
  • Vascular prostheses
    Patent number: 5476507
    Abstract: A vascular prosthesis is disclosed which excels in expansibility and allows satisfactory attachment thereto of cells and tissues. This vascular prosthesis is obtained by air-jet entangling a mass of yarns containing in at least a part thereof an elastic bulked yarn in order to get an entangled yarn furnished with fine crimps formed in fiber thereof, and fabricating a tubular fabric of the entangled fiber by one treatment selected from among weaving, knitting, and braiding treatments.
    Type: Grant
    Filed: May 2, 1994
    Date of Patent: December 19, 1995
    Assignees: Terumo Kabushiki Kaisha, Seiren Co., Ltd.
    Inventors: Sobei Wakabayashi, Tomoko Hashimukai, Takeo Katakura