Patents by Inventor Shouichi Yanagi

Shouichi Yanagi 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).

  • Capacitor element for solid electrolytic capacitor
    Patent number: 5959831
    Abstract: A capacitor element for a solid electrolytic capacitor includes a capacitor chip which is a compacted mass of valve metal powder, and an anode wire projecting from an end face of the capacitor chip. The capacitor chip includes a chamfer portion located adjacent to and surrounding the end face. Typically, the capacitor chip is square in cross section, and the chamfer portion includes a quadrilaterally arranged group of chamfer faces.
    Type: Grant
    Filed: September 26, 1997
    Date of Patent: September 28, 1999
    Assignee: Rohm Co., Ltd.
    Inventors: Takahiro Maeda, Shouichi Yanagi, Chojiro Kuriyama
  • Capacitor element for solid electrolytic capacitor, device and process for making the same
    Patent number: 5949639
    Abstract: A capacitor element for a solid electrolytic capacitor includes a capacitor chip which is a compacted mass of valve metal powder, and an anode wire projecting from a first end face of the capacitor chip. The capacitor chip includes at least one side face which is formed with at least one depression extending toward but short of a second end face of the capacitor chip opposite to the first end face.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: September 7, 1999
    Assignee: Rohm Co., Ltd.
    Inventors: Takahiro Maeda, Shouichi Yanagi, Chojiro Kuriyama