Patents by Inventor Yoshio Sakamaki

Yoshio Sakamaki 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).

  • Compact case
    Patent number: 4684017
    Abstract: A compact case including a case proper and a lid member which are connected to each other through a hinge so that the case is freely opened and closed, wherein concave notches communicating with each other are formed in rear end portions of the case proper and lid member, the hinge is contained in the notches so that the rear end face of the hinge is not projected outward, the upper portion of the hinge is rotatably connected to the lid member through a first shaft, and the lower portion of the hinge is rotatably connected to the case proper through a second shaft.
    Type: Grant
    Filed: June 10, 1985
    Date of Patent: August 4, 1987
    Assignees: Kanebo Limited, Yoshida Industry Co., Limited
    Inventors: Nobuhisa Watanabe, Hisao Iwamoto, Toshihiro Nasuno, Yoshio Sakamaki