Patents by Inventor Tsuneo Uwabo

Tsuneo Uwabo 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).

  • Front structure for magnetic recording system
    Patent number: 5648882
    Abstract: A front structure for a magnetic recording device includes a main chassis; a front frame secured to a front portion of a main chassis, the front frame being made of a resin and having a disk insertion opening; and a front door for closing for closing the disk insertion opening, the front door pivotally supported by the main chassis and positioned on a back side of the front frame.
    Type: Grant
    Filed: June 23, 1994
    Date of Patent: July 15, 1997
    Assignee: Mitsumi Electric Company, Ltd.
    Inventors: Yoshinori Tangi, Yoshihiro Okano, Tsuneo Uwabo
  • Data recording and reproducing device comprising a memory unit used for a memory card
    Patent number: 5583745
    Abstract: A data recording and reproducing device comprises a first memory unit which is selected from an FDD unit and an HDD unit, and a second memory unit used for a memory card which is standardized in PCMCIA. The first and the second memory units are superposed each other so as to have a height less than one inch. The device further comprises a cover plate containing the first and the second memory units and having shield function against external noise.
    Type: Grant
    Filed: March 20, 1995
    Date of Patent: December 10, 1996
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Tsuneo Uwabo, Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi
  • Floppy disk drive
    Patent number: 5396385
    Abstract: The present invention aims at reducing the thickness of a floppy disk drive by minimizing a vertical movement of a floppy disk-retaining disk holder and reducing the height of a chassis. The disk holder is provided on both side surfaces of its rear end portion with support shafts, which are connected to the chassis so that the support shafts can be turned. The disk holder becomes pivotable around these support shafts as fulcrums, i.e., the front portion of the disk holder is turned vertically. The upper and lower magnetic heads are formed so that they can be engaged with and disengaged from the floppy disk in conjunction with a pivotal movement of the disk holder.
    Type: Grant
    Filed: January 11, 1993
    Date of Patent: March 7, 1995
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Yoshinori Tangi, Yoshihiro Okano, Tsuneo Uwabo
  • Floppy disk drive
    Patent number: 5243480
    Abstract: The present invention aims at reducing the thickness of a floppy disk drive by minimizing a vertical movement of a floppy disk-retaining disk holder and reducing the height of a chassis.The disk holder is provided on both side surfaces of its rear end portion with support shafts, which are connected to the chassis so that the support shafts can be turned. The disk holder becomes pivotable around these support shafts as fulcrums, i.e., the front portion of the disk holder is turned vertically. The upper and lower magnetic heads are formed so that they can be engaged with and disengaged from the floppy disk in conjunction with a pivotal movement of the disk holder.
    Type: Grant
    Filed: July 18, 1991
    Date of Patent: September 7, 1993
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Yoshinori Tangi, Yoshihiro Okano, Tsuneo Uwabo