Patents by Inventor Haruyuki Naka

Haruyuki Naka 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).

  • Patent number: 6151176
    Abstract: A magnetic head attachment structure for a photographic film comprises a head unit for supporting magnetic heads which read and/or write magnetic information to or from the photographic film. The magnetic head attachment structure also includes a pressure unit for supporting bubble springs which press a magnetic recording surface of the photographic film to the magnetic heads. The bubble springs have a first condition where they are able to contact with the magnetic heads allowing the film to pass therebetween and a second condition where they are able to be selectively apart from the magnetic heads so that a pressure unit is able to rotate around the head unit on a shaft.
    Type: Grant
    Filed: May 21, 1998
    Date of Patent: November 21, 2000
    Assignee: Noritsu Koki Co., Ltd.
    Inventor: Haruyuki Naka
  • Patent number: 6089764
    Abstract: A cartridge loading device comprising a cartridge holder having a holding portion for holding a cartridge having a photographic film therein. The cartridge loading device also includes a holder supporting member for supporting the cartridge holder. The cartridge holder is movable between a loading position where the cartridge can be loaded onto the holding portion and a non-loading position where the cartridge is not able to be loaded onto the holding portion. The holder supporting member is movable between a first position where a photographic film withdraw opening portion of the cartridge and a transfer path do not coincide and a second position where the photographic film withdraw opening portion and a transfer path do coincide when the holder supporting member supports the cartridge holder in the non-loading position.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: July 18, 2000
    Assignee: Noritsu Koki Co., Ltd.
    Inventor: Haruyuki Naka