Patents by Inventor Yoshikazu Sakurai

Yoshikazu Sakurai 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).

  • Magnetic head and structure for supporting same
    Patent number: 6462908
    Abstract: A magnetic head has at least one magnetic head unit for recording to and reproducing from a flexible rotating recording medium and a slider supporting the magnetic head unit, the magnetic head unit being attached to the slider using an adhesive, the adhesive including a filler so as to substantially match a thermal expansion rate of the adhesive to a thermal expansion rate of the slider.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: October 8, 2002
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Tomohiko Osaka, Yoshikazu Sakurai
  • Magnetic head cartridge having head connected to a gimbal and having leads extending through openings in the gimbal and openings in the head carriage
    Patent number: 5862016
    Abstract: A magnetic head carriage including a head carriage (13), a gimbal (11) which has a magnetic head (12) attached thereon and is fixed to one surface of the head carriage (13), a flexible substrate (14) fixed to the other surface of the head carriage (13), and leads (12d, 12e, 12f, 12f) from the magnetic head (12) and are conductively connected to electrodes (15, 16, 17, 18) formed on the flexible substrate (14), the head carriage (13) comprising opening holes (14a, 14b, 14c, 14d) which are opened in the flexible substrate (14) in the vicinity of the electrodes (15, 16, 17, 18) so as to position the leads (12d, 12e, 12f, 12g) at the respective electrodes (15, 16, 17, 18).
    Type: Grant
    Filed: July 29, 1997
    Date of Patent: January 19, 1999
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Yoshikazu Sakurai, Hiroshi Sampei, Masashi Sato