Patents by Inventor Hiroyuki Katsurai

Hiroyuki Katsurai 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).

  • Mobile terminal device with a camera, illumination control method thereof and program for illumination control
    Publication number: 20050099528
    Abstract: A mobile terminal device with a camera is provided which can secure emitted light brightness of a camera light unit and save power consumption of the device. During photographing, when the driving power of the camera light unit is increased, driving power for an illumination unit is decreased so that the increase of the total power consumption of the camera light unit and illumination unit can be minimized. In addition, the camera lamp unit and illumination unit are driven by respective driving circuits that share a power supply unit.
    Type: Application
    Filed: March 31, 2004
    Publication date: May 12, 2005
    Inventors: Atsuo Soma, Kenji Iida, Satoru Matsumiya, Toshio Hiraishi, Hiroyuki Katsurai