Patents by Inventor Kishirou Nakamura

Kishirou Nakamura 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).

  • Surface mountable crystal oscillating device and method of producing the same
    Patent number: 6031318
    Abstract: A crystal oscillating device comprises an outer case having a longitudinal axis, a cavity, a pair of first surfaces extending along the longitudinal axis, a pair of second surfaces extending in a direction generally transverse to the longitudinal axis, a first opening portion in one of the first surfaces for providing access into the cavity, a second opening portion in one of the second surfaces, and a groove in the other of the second surfaces. A crystal oscillator is disposed in the cavity of the outer case and has lead terminals extending through the second opening portion of the outer case for electrically connecting the crystal oscillator to a circuit board. A bonding material is disposed in the cavity of the outer case for bonding the crystal oscillator to the outer case. A connecting member is disposed in the groove of the outer case for connecting the outer case to the circuit board.
    Type: Grant
    Filed: March 25, 1998
    Date of Patent: February 29, 2000
    Assignee: Seiko Instruments Inc.
    Inventors: Kenji Sunaga, Hideo Hoshi, Masayoshi Shiraishi, Kishirou Nakamura, Takashi Konno