Patents by Inventor Hiroaki Akagawa

Hiroaki Akagawa 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).

  • Container for oscillation circuit using piezoelectric vibrator, manufacturing method therefor, and oscillator
    Patent number: 6667664
    Abstract: In a hermetically sealed container constituted by a lid (105), frame (103), and substrate (104), a piezoelectric vibrator (101) is fixed on the substrate (104) (on the upper surface of the substrate) with fixing members (104a) made of a conductive material, and a semiconductor component (102) is flip-chip mounted on the lower surface of the substrate (104).
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: December 23, 2003
    Assignee: Kinseki Limited
    Inventors: Hiroaki Akagawa, Hirokazu Kobayashi
  • Container for oscillation circuit using piezoelectric vibrator, manufacturing method therefor, and oscillator
    Publication number: 20020135429
    Abstract: In a hermetically sealed container constituted by a lid (105), frame (103), and substrate (104), a piezoelectric vibrator (101) is fixed on the substrate (104) (on the upper surface of the substrate) with fixing members (104a) made of a conductive material, and a semiconductor component (102) is flip-chip mounted on the lower surface of the substrate (104).
    Type: Application
    Filed: July 12, 2001
    Publication date: September 26, 2002
    Inventors: Hiroaki Akagawa, Hirokazu Kobayashi