Patents by Inventor Taizo Ikezawa

Taizo Ikezawa 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).

  • Highly stretchable fabrics and process for producing same
    Patent number: 5874372
    Abstract: The invention provides a highly stretchable fabric having an elongation percentage of 5 to 45% and a recovery percentage of elongation of at least 70% and comprising spun yarns serving at least as warps or wefts, the fabric being characterized in that the spun yarns contain two-component composite fibers comprising a highly shrinkable polyester component A and a polyester component B less shrinkable than the polyester component A, the composite fibers being so oriented that in the vicinity 5 of the crests of weaving crimps of the spun yarn, the polyester component A faces toward the inner side of the crimps. The invention also provides a process for producing the fabric. The fabric is excellent in stretchability and recovery from elongation and is capable of retaining its appearance and hand.
    Type: Grant
    Filed: October 28, 1997
    Date of Patent: February 23, 1999
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Rokuro Morishita, Hiroshi Yasuda, Mitsura Seto, Hisao Nishinaka, Taizo Ikezawa