Patents by Inventor Hirobumi Matayoshi

Hirobumi Matayoshi 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: 5749664
    Abstract: An outer body surrounds a main body and is rotatable with respect to the main body to move up and down a cosmetic holder received in the main body. An insert sleeve is coupled integrally to the upper end portion of the outer body, by welding, integral-forming or any other suitable coupling device. The main body has an annular projection on its outer peripheral surface, which rotatably and elastically contacts with a lower portion of the insert sleeve. In an embodiment, the insert sleeve has a downwardly extending tongue which may be deformed elastically and contact with the projection of the main body. The projection is spaced apart from the outer body.
    Type: Grant
    Filed: July 7, 1995
    Date of Patent: May 12, 1998
    Assignee: Hidan Co.
    Inventors: Takashi Inoue, Kenichi Ito, Tetsuo Kobayashi, Hirobumi Matayoshi, Masahisa Koyama, Hideo Fujita
  • Patent number: 5597252
    Abstract: An outer body surrounds a main body and is rotatable with respect to the main body to move up and down a cosmetic holder received in the main body. A casing surrounds the outer body and is rotatable simultaneously with the outer body. The bottom end of the main body is enlarged to form a circumferentially outward projecting bottom extension to be engaged within an annular recess formed cooperatively by the lower end portions of the outer body and the casing. The bottom extension preferably comprises a cylindrical wall portion and an enlarged bead portion formed in the middle of the cylindrical wall portion and projecting outwardly therefrom.
    Type: Grant
    Filed: July 17, 1995
    Date of Patent: January 28, 1997
    Assignee: Hidan Co.
    Inventors: Kenichi Ito, Hirobumi Matayoshi