Patents by Inventor Shinichiro Yokota

Shinichiro Yokota 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).

  • EXTRUSION MOLDING DIE, EXTRUSION MOLDING APPARATUS, MEDICAL TUBE, AND METHOD FOR PRODUCING MEDICAL TUBE
    Publication number: 20120187595
    Abstract: An extrusion molding die is provided which produces a tube that contains a portion in which the cross-sectional area ratio of an inner layer and outer layer in axial cross-section continuously varies, wherein said cross-sectional area ratio can be changed in a short time. The extrusion molding die 50 moves a second inner layer mandrel 54 in the axial direction and changes the flow passage volume of an inner layer resin flow passage 62a in accordance with changes in supply quantity of an inner layer forming resin.
    Type: Application
    Filed: January 24, 2012
    Publication date: July 26, 2012
    Applicant: TYCO HEALTHCARE GROUP LP
    Inventors: Atsushi Ohigawa, Tomoyuki Tamura, Shinichiro Yokota