Patents by Inventor Norifumi Kitamura

Norifumi Kitamura 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: 8420933
    Abstract: A high-pressure-resistant hermetic seal terminal includes an eyelet which has a through hole and a lead which is electrically insulated and hermetically sealed via a glass material in the through hole. The glass material is welded in a manner to extend on a lower surface of the eyelet from an end of the through hole to surroundings of the end of the through hole. Preferably, the eyelet has a counterbore, in the lower surface, extending in a region around and surrounding the through hole, and the glass material is welded to the inside of the counterbore.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: April 16, 2013
    Assignee: NEC Schott Components Corporation
    Inventors: Hidehiko Harada, Norifumi Kitamura, Hiroyuki Kojima
  • Publication number: 20120018216
    Abstract: A high-pressure-resistant hermetic seal terminal includes an eyelet which has a through hole and a lead which is electrically insulated and hermetically sealed via a glass material in the through hole. The glass material is welded in a manner to extend on a lower surface of the eyelet from an end of the through hole to surroundings of the end of the through hole. Preferably, the eyelet has a counterbore, in the lower surface, extending in a region around and surrounding the through hole, and the glass material is welded to the inside of the counterbore.
    Type: Application
    Filed: April 6, 2010
    Publication date: January 26, 2012
    Applicant: NEC SCHOTT COMPONENTS CORPORATION
    Inventors: Hidehiko Harada, Norifumi Kitamura, Hiroyuki Kojima