Patents by Inventor Yoshikazu Okubo

Yoshikazu Okubo 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).

  • Vaulting box
    Patent number: 4203525
    Abstract: A plurality of frame members. Each of the frame members have a truncated pyramid shape of successively reduced size. The members are able in one condition, to be stacked one upon the other to form an enlarged truncated pyramid shape box and in a second condition to be nested one within the other. A cover for the uppermost one of the members and a plate insertable in a slot in a wall of the frame member to partition the box are provided.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: May 20, 1980
    Inventor: Yoshikazu Okubo
  • Baby carriage
    Patent number: 3997180
    Abstract: A baby carriage having a body on which a baby is to rest and which is detachably connected with a truck. Connecting means pivotally carries the carriage body, which however, can be fixed in any desired orientation by lock means. The carriage body includes ground bearing means which stabilizes it on a flat surface.
    Type: Grant
    Filed: June 25, 1975
    Date of Patent: December 14, 1976
    Assignee: Marble Industries Co., Ltd.
    Inventor: Yoshikazu Okubo