Patents by Inventor Akira Ezawa

Akira Ezawa 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: 4666278
    Abstract: A cell containing apparatus for a camera capable of selectively receiving larger or smaller dry cells, the containing apparatus including a housing having a chamber for larger and smaller dry cells with the housing, a holder member and a first cover member used for containing the smaller dry cells, a spacer member and a second cover member used for containing the larger dry cells with the housing.
    Type: Grant
    Filed: April 30, 1986
    Date of Patent: May 19, 1987
    Assignee: Nippon Kogaku K. K.
    Inventors: Kimio Uematsu, Akira Ezawa
  • Patent number: 4652102
    Abstract: An exposure correcting device for use in a camera adapted for use with a film container bearing code indicia representing film speed comprises means for manual setting of film speed; correction setting means for manually setting an exposure correction; means for producing a signal corresponding to the inputs of said manual setting means and said correction setting means; means for selecting either a manual mode for manual film speed setting or an automatic mode for automatic film speed setting; and means for determining the exposure value in case of the manual mode by reading a signal from the signal producing means as a film speed code, or in case of the automatic mode by reading said signal from the signal producing means as an exposure correction value and in response to the film speed information from information reading means and to said exposure correction value.
    Type: Grant
    Filed: November 18, 1985
    Date of Patent: March 24, 1987
    Assignee: Nippon Kogaku K. K.
    Inventors: Hidehiro Ogawa, Akira Ezawa, Kei Ikeda