Patents by Inventor Kyoji Koseki

Kyoji Koseki 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).

  • Ceramic element
    Patent number: 7813104
    Abstract: A ceramic element, including: a ceramic body having an internal electrode layer and a ceramic layer; an external electrode having a base electrode which is provided on the outside of the ceramic body so as to be electrically connected with the internal electrode layer, and a plating layer covering the outer surface of the base electrode; and a protective layer for covering at least a portion of the outer surface of the ceramic layer other than the portion covered by the external electrode, wherein the protective layer includes a first layer that is an insulating layer containing an insulating oxide, and a second layer that is an insulating layer containing the same insulating oxide as the first layer and an element that is the same as at least one of elements forming the ceramic layer, and the first layer and second layer are formed in that order from the inside.
    Type: Grant
    Filed: January 26, 2009
    Date of Patent: October 12, 2010
    Assignee: TDK Corporation
    Inventors: Mutsuko Nakano, Kyoji Koseki, Hisashi Aiba, Yukihiro Murakami, Kazuto Takeya
  • CERAMIC ELEMENT
    Publication number: 20090191418
    Abstract: A ceramic element, including: a ceramic body having an internal electrode layer and a ceramic layer; an external electrode having a base electrode which is provided on the outside of the ceramic body so as to be electrically connected with the internal electrode layer, and a plating layer covering the outer surface of the base electrode; and a protective layer for covering at least a portion of the outer surface of the ceramic layer other than the portion covered by the external electrode, wherein the protective layer includes a first layer that is an insulating layer containing an insulating oxide, and a second layer that is an insulating layer containing the same insulating oxide as the first layer and an element that is the same as at least one of elements forming the ceramic layer, and the first layer and second layer are formed in that order from the inside.
    Type: Application
    Filed: January 26, 2009
    Publication date: July 30, 2009
    Applicant: TDK CORPORATION
    Inventors: Mutsuko NAKANO, Kyoji KOSEKI, Hisashi AIBA, Yukihiro MURAKAMI, Kazuto TAKEYA