Patents by Inventor Tadanori Kunikawa

Tadanori Kunikawa 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).

  • Patent number: 5235731
    Abstract: A molded-resin separable fastener comprising a substrate and, provided vertically on at least one surface thereof, a plurality of straight wall-like fastening elements arranged parallel with each other at regular intervals and with an umbrella-like or hook-like cross-sectional shape, the configurational parameters of which are specified such that when 2 sheets of the molded-resin separable fasteners are faced and engaged with each other the fasteners are relatively slidable in the longitudinal direction and slightly movable in the transverse direction.
    Type: Grant
    Filed: March 26, 1992
    Date of Patent: August 17, 1993
    Assignee: Kuraray Co., Ltd.
    Inventors: Seio Anzai, Kunihiko Shimamura, Tadanori Kunikawa