Patents by Inventor Kouichi Muraki

Kouichi Muraki 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).

  • Flexible tube, and method for manufacturing same
    Patent number: 6565507
    Abstract: A flexible tube having a laminated multi-layer structure including an outer layer composed of a main tube body layer formed of thermoplastic synthetic resin in a predetermined thickness and a reinforcing layer provided on the inner side of the main tube body layer, and an inner layer formed of a thin film sheet of air tight and low friction material. The inner layer is formed by rolling an elongated strip of a thin film sheet into a tubular form such that opposite lateral sides of the thin film sheet are overlapped one on the other to provide a thick wall portion extending longitudinally of and at one angular position of the inner layer.
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: May 20, 2003
    Assignee: Fuji Photo Optical Co., Ltd.
    Inventors: Kouichi Kamata, Haruo Akiba, Masanori Kimura, Kouichi Muraki
  • Flexible tube, and method for manufacturing same
    Publication number: 20020032370
    Abstract: A flexible tube having a laminated multi-layer structure including an outer layer composed of a main tube body layer formed of thermoplastic synthetic resin in a predetermined thickness and a reinforcing layer provided on the inner side of the main tube body layer, and an inner layer formed of a thin film sheet of air tight and low friction material. The inner layer is formed by rolling an elongated strip of a thin film sheet into a tubular form such that opposite lateral sides of the thin film sheet are overlapped one on the other to provide a thick wall portion extending longitudinally of and at one angular position of the inner layer.
    Type: Application
    Filed: September 13, 2001
    Publication date: March 14, 2002
    Applicant: Fuji Photo Optical Co., Ltd.
    Inventors: Kouichi Kamata, Haruo Akiba, Masanori Kimura, Kouichi Muraki