Patents by Inventor Nobuyoshi Ohnuma

Nobuyoshi Ohnuma 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: 4838828
    Abstract: An endless rail for a running toy is described. The rail includes a plurality of block bodies, each having a guide groove formed on a top surface thereof. Each block body is in the shape of an alphabet letter or symbol. Each guide groove is open to at least one end surface of the block body. A female fitting portion and a male fitting portion are formed adjacent each opening of the guide groove to connect block bodies together and communicate the guide grooves. The running toy is provided with a guide pin fitted into the communicated grooves.
    Type: Grant
    Filed: May 26, 1988
    Date of Patent: June 13, 1989
    Assignee: Toybox Corporation
    Inventors: Nobuyoshi Ohnuma, Akio Ueda
  • Patent number: 4728312
    Abstract: An endless toy track way is described, including a lift device; a rail connected at its ends to the lift device; and a moving body which rolls via gravity on the rail and is lifted by the lift device. The lift device includes a pair of parallel, spaced, fixed stairs and a pair of vertically movable plates formed with engaging steps at their upper edges and being arranged longitudinally inside of the pair of fixed stairs. This pair of vertically movable plates is engaged with cams of a driving mechanism to cause the movable plates to alternately move in circular paths and ascend and descend. The moving body is provided at both lower sides thereof with projections which are engageable with the engaging steps of the vertically movable plates so that the moving body is carried onto succeeding stairs of the fixed stairs, one after the other.
    Type: Grant
    Filed: March 3, 1987
    Date of Patent: March 1, 1988
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Nobuyoshi Ohnuma