Patents by Inventor Yoshinori Mitsuhashi

Yoshinori Mitsuhashi 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 disk drive with cover seal and method for fabricating same
    Patent number: 7522375
    Abstract: Embodiments of the invention shorten a work time required for peeling off a cover seal during rework. In one embodiment, a magnetic disk drive includes: a base provided with a bonded surface around an opening edge and containing therein a head driving mechanism and a magnetic disk; a top cover to be fitted to the opening edge so as to be fixed to the base; and a cover seal including a liner disposed at an outside surface of the top cover, a sheet-like structure and an adhesive layer formed on the structure, the adhesive layer being laminated in such a manner as to face to the bonded surface and the outside surface of the top cover, at which the liner is disposed, to be thus fixed to the base.
    Type: Grant
    Filed: January 6, 2006
    Date of Patent: April 21, 2009
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Shingo Tsuda, Kohichi Suzuki, Yoshinori Mitsuhashi
  • Magnetic disk drive with cover seal and method for fabricating same
    Publication number: 20060176610
    Abstract: Embodiments of the invention shorten a work time required for peeling off a cover seal during rework. In one embodiment, a magnetic disk drive includes: a base provided with a bonded surface around an opening edge and containing therein a head driving mechanism and a magnetic disk; a top cover to be fitted to the opening edge so as to be fixed to the base; and a cover seal including a liner disposed at an outside surface of the top cover, a sheet-like structure and an adhesive layer formed on the structure, the adhesive layer being laminated in such a manner as to face to the bonded surface and the outside surface of the top cover, at which the liner is disposed, to be thus fixed to the base.
    Type: Application
    Filed: January 6, 2006
    Publication date: August 10, 2006
    Applicant: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Shingo Tsuda, Kohichi Suzuki, Yoshinori Mitsuhashi