Patents by Inventor Tsunemasa Takai

Tsunemasa Takai 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: 5239326
    Abstract: The present invention provides a film-loaded disposable camera so structured that a lens frame with an auxiliary lens is detachably mounted on the camera body to enable the lens frame to be exchanged or interchanged with other lens frames with different types of lenses as desired, such as a normal lens, a wide-angle lens, a telephoto lens, a fish-eye lens, and a contact-photo lens. Thus, different kinds of photographs may be taken as desired by using the desired types of lenses with a single camera body.
    Type: Grant
    Filed: August 7, 1991
    Date of Patent: August 24, 1993
    Assignee: Kabushiki Kaisha Senshukai
    Inventor: Tsunemasa Takai