Patents by Inventor Zeniti Sakai

Zeniti Sakai 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: 5353079
    Abstract: In a single use camera in which an unexposed film has been loaded and which is sold together with the unexposed film, the camera comprises a strobe including an electric circuit, to irradiating a subject; and a camera body in which the strobe is incorporated, the camera body provided with a hole through which the function of the strobe can be checked.
    Type: Grant
    Filed: January 25, 1993
    Date of Patent: October 4, 1994
    Assignee: Konica Corporation
    Inventors: Zeniti Sakai, Ken Ishida
  • Patent number: 5329330
    Abstract: A photographic film is previously wound around a spool in a scroll chamber to be ready for photographing. The film is wound by one frame when a film winding knob is operated. After all the frames have been exposed, it is wound back to a film magazine in a film magazine chamber. The film magazine in which the film has been wound, is taken out from the film magazine chamber when a rear cover is folded at a groove portion provided on the rear cover after at least one of the three engaging hook portions between the rear cover and the film unit body has been disengaged.
    Type: Grant
    Filed: January 12, 1993
    Date of Patent: July 12, 1994
    Assignee: Konica Corporation
    Inventors: Zeniti Sakai, Kazuo Todo, Takao Tsuda, Hiroshi Kibayashi