Patents by Inventor Kazunori Noba

Kazunori Noba 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).

  • Apparatus and method of producing battery case
    Patent number: 7287408
    Abstract: An apparatus for producing a battery case which has a tubular shape with a closed end and which houses an electricity-generating element, the apparatus including: a die assembly including a blanking die, a drawing die, a redrawing die and an ironing die which have respective die holes having mutually different sizes and which are immovably and coaxially arranged in series in the order of the sizes of the die holes; a first punch, a second punch and a third punch which are disposed coaxially with respect to the die assembly such that the first through third punches can be inserted into the corresponding die holes of the respective dies; and a moving mechanism which permits the first through third punches to be inserted into the corresponding die holes.
    Type: Grant
    Filed: May 22, 2006
    Date of Patent: October 30, 2007
    Assignee: Kojima Press Industry Co. Ltd.
    Inventors: Masanori Kawai, Kazunori Noba, Toshi Saeki, Takahisa Morita, Norikazu Morita, Haruo Morita
  • Apparatus and method of producing battery case
    Publication number: 20060266092
    Abstract: An apparatus for producing a battery case which has a tubular shape with a closed end and which houses an electricity-generating element, the apparatus including: a die assembly including a blanking die, a drawing die, a redrawing die and an ironing die which have respective die holes having mutually different sizes and which are immovably and coaxially arranged in series in the order of the sizes of the die holes; a first punch, a second punch and a third punch which are disposed coaxially with respect to the die assembly such that the first through third punches can be inserted into the corresponding die holes of the respective dies; and a moving mechanism which permits the first through third punches to be inserted into the corresponding die holes.
    Type: Application
    Filed: May 22, 2006
    Publication date: November 30, 2006
    Applicant: Kojima Press Industry Co., Ltd.
    Inventors: Masanori Kawai, Kazunori Noba, Toshi Saeki, Takahisa Morita, Norikazu Morita, Haruo Morita