Patents by Inventor Masaaki Makai

Masaaki Makai 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).

  • Flash photographing system
    Patent number: 4963914
    Abstract: A flash photographing system includes a camera body, a flash controller connected to the camera body and three flash devices: the first flash device is directly mounted on the camera body; the second flash device is mounted on the flash controller; and the third flash device is connected through a suitable cord to the flash controller. A microcomputer is provided in the camera body and also in each of the flash devices so as to control the three flash devices in various different modes of operations, such as simultaneous flash mode, sequence flash mode, and yet providing an appropriate amount of light for the proper exposure.
    Type: Grant
    Filed: September 21, 1989
    Date of Patent: October 16, 1990
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Nobuyuki Taniguchi, Hiroshi Hosomizu, Kenji Tsuji, Takanobu Omaki, Masaaki Makai