Patents by Inventor Kohzoh Ezawa

Kohzoh Ezawa 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).

  • Disk loading device and disk adaptor
    Patent number: 6529462
    Abstract: The disk loading device of this invention includes: a holder for removably holding a cartridge; a conveying member for conveying the holder; a shutter opening/closing member for opening a shutter of the cartridge when the cartridge is inserted into the holder; and a rotational driving member having a holding portion for holding a center portion of a disk in the cartridge which has been conveyed to a predetermined position by the conveying member, the rotational driving member rotating the disk held by the holding portion, wherein, when the holder is conveyed by the conveying member, the shutter of the cartridge has been opened by the shutter opening/closing member and an opening of the cartridge which has been exposed by the opening of the shutter passes a position where the holding portion of the rotational driving member is located.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: March 4, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Akira Kurozuka, Eiichi Hanakawa, Shinichi Maeda, Kohzoh Ezawa
  • Disk loading device and disk adaptor
    Patent number: 6272093
    Abstract: The disk loading device of this invention includes: a holder for removably holding a cartridge; a conveying member for conveying the holder; a shutter opening/closing member for opening a shutter of the cartridge when the cartridge is inserted into the holder; and a rotational driving member having a holding portion for holding a center portion of a disk in the cartridge which has been conveyed to a predetermined position by the conveying member, the rotational driving member rotating the disk held by the holding portion, wherein, when the holder is conveyed by the conveying member, the shutter of the cartridge has been opened by the shutter opening/closing member and an opening of the cartridge which has been exposed by the opening of the shutter passes a position where the holding portion of the rotational driving member is located.
    Type: Grant
    Filed: May 6, 1998
    Date of Patent: August 7, 2001
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Akira Kurozuka, Eiichi Hanakawa, Shinichi Maeda, Kohzoh Ezawa