Patents by Inventor Akihiro Kanbara

Akihiro Kanbara 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).

  • Piezoelectric resonator device
    Patent number: 7919908
    Abstract: A piezoelectric resonator device includes a base holding a piezoelectric resonator element and a lid bonded to the base in order to hermetically seal the piezoelectric resonator element held on the base. In addition, the region of bonding of the base to the lid is composed of at least a nickel-cobalt layer comprising nickel and cobalt, and a metal layer laminated on the nickel-cobalt layer, with the base and lid bonded by heat-melting using a metallic braze material.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: April 5, 2011
    Assignee: Daishinku Corporation
    Inventors: Tatsuya Murakami, Masashi Hirai, Makoto Miyagawa, Akihiro Kanbara
  • Piezoelectric Resonator Device
    Publication number: 20090224634
    Abstract: A piezoelectric resonator device includes a base holding a piezoelectric resonator element and a lid bonded to the base in order to hermetically seal the piezoelectric resonator element held on the base. In addition, the region of bonding of the base to the lid is composed of at least a nickel-cobalt layer comprising nickel and cobalt, and a metal layer laminated on the nickel-cobalt layer, with the base and lid bonded by heat-melting using a metallic braze material.
    Type: Application
    Filed: May 25, 2007
    Publication date: September 10, 2009
    Inventors: Tatsuya Murakami, Masashi Hirai, Makoto Miyagawa, Akihiro Kanbara