Patents by Inventor Hidayasu Takato

Hidayasu Takato 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).

  • Real image mode finder optical system
    Patent number: 6044229
    Abstract: A real image mode finder optical system includes a field frame switching device interposed between an objective system and an ocular system. An indication part of a field frame inserted by the field frame switching device is placed on the objective side of an intermediate image plane of the real image mode finder optical system. In this way, the finder optical system in which adhesion of dirt is inconspicuous and the view of the visual field of the finder is good can be obtained.
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: March 28, 2000
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Hidayasu Takato, Yasutaka Kashiki