Patents by Inventor Fumiuki Kobayashi

Fumiuki Kobayashi 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).

  • Sealed structure and production method thereof
    Patent number: 4872606
    Abstract: In a sealed structure consisting of ceramic members opposing each other and a frame coupled to the ceramic members and defining an He-tight chamber with the ceramic members, the melting point of a joint member for bonding one of the ceramic members to the frame is lower than the melting point of another joint member for bonding the other of the ceramic members to the frame so that rebonding can be made.
    Type: Grant
    Filed: December 10, 1986
    Date of Patent: October 10, 1989
    Assignee: Hitachi, Ltd.
    Inventors: Motohiro Satoh, Toshihiro Yamada, Akiomi Kohono, Akihiko Yamamoto, Keiji Taguchi, Takahiro Daikoku, Fumiuki Kobayashi
  • Circuit board
    Patent number: 4725925
    Abstract: A circuit board including resistors on one surface of a board or substrate having through hole conductors arranged in a lattice like fashion. At least one electrode is formed on a surface of the resistors, at least one electrode being formed by removing a portion of a surface of the board or substrate coaxially with the through hole conductors thereby forming substantially disk-shaped resistors.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: February 16, 1988
    Assignee: Hitachi, Ltd.
    Inventors: Minoru Tanaka, Kazuo Hirota, Akira Murata, Fumiuki Kobayashi, Takaji Takenaka