Patents by Inventor Takashi Ushiyama

Takashi Ushiyama 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: 5825537
    Abstract: A spherical binocular capable of being conveniently portable and suitable for use for watching a game in a baseball stadium, a soccer ground or the like. Two hemispherical shells are foldably or pivotally connected together into a spherical configuration. The hemispherical shells each are formed at a center thereof with an ocular through-hole, in which an ocular concave lens is fitted. A front plate is fitted in a front opening edge of each of the shells and formed at a center thereof with an objective opening, in which an objective convex lens is arranged so as to be aligned with the objective convex lens. When the hemispherical shells are folded over each other to align the front opening edges with each other, a holding pawl and holding groove of one of the hemispherical shells are fittedly engaged with a holding groove and a holding pawl of the other of the hemispherical shells, respectively.
    Type: Grant
    Filed: November 20, 1995
    Date of Patent: October 20, 1998
    Assignee: Muti Work Corporation
    Inventor: Takashi Ushiyama
  • Patent number: D338027
    Type: Grant
    Filed: January 17, 1991
    Date of Patent: August 3, 1993
    Assignee: Copitar Co., Ltd.
    Inventor: Takashi Ushiyama
  • Patent number: D375968
    Type: Grant
    Filed: November 8, 1995
    Date of Patent: November 26, 1996
    Assignee: Copitar Co., Ltd.
    Inventor: Takashi Ushiyama
  • Patent number: D379188
    Type: Grant
    Filed: November 8, 1995
    Date of Patent: May 13, 1997
    Assignee: Copitar Co. Ltd
    Inventor: Takashi Ushiyama
  • Patent number: D394442
    Type: Grant
    Filed: November 8, 1995
    Date of Patent: May 19, 1998
    Assignee: Copitar Co., Ltd.
    Inventor: Takashi Ushiyama