Patents by Inventor Shoji Uchikura

Shoji Uchikura 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: 6732488
    Abstract: A sealing device 30 for a packaging material 10, comprising a linear sealing device 31 for sandwiching layers to be sealed 11A, 12A of plastic sheets 11, 12 are sandwiched by sealing bars 41, 42 narrower than a sealing width, and pressuring the layers to be sealed in a heated state, a surface sealing device 32 for sandwiching the layers to be sealed 11A, 12A of the plastic sheets 11, 12 with sealing bars 51, 52 of a width necessary for sealing by the sealing width, and pressing the layers to be sealed in a melting state.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: May 11, 2004
    Assignee: Kao Corporation
    Inventors: Nozomu Nakanishi, Toshiki Okazaki, Shoji Uchikura, Yasuaki Kotani, Kazuo Shimamoto, Masami Kikuchi
  • Publication number: 20030097825
    Abstract: A sealing device 30 for a packaging material 10, comprising a linear sealing device 31 for sandwiching layers to be sealed 11A, 12A of plastic sheets 11, 12 are sandwiched by sealing bars 41, 42 narrower than a sealing width, and pressuring the layers to be sealed in a heated state, a surface sealing device 32 for sandwiching the layers to be sealed 11A, 12A of the plastic sheets 11, 12 with sealing bars 51, 52 of a width necessary for sealing by the sealing width, and pressing the layers to be sealed in a melting state.
    Type: Application
    Filed: December 21, 2001
    Publication date: May 29, 2003
    Inventors: Nozomu Nakanishi, Toshiki Okazaki, Shoji Uchikura, Yasuaki Kotani, Kazuo Shimamoto, Masami Kikuchi