Patents by Inventor Hiroya Usui

Hiroya Usui 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: 6236867
    Abstract: In a portable telephone device, a desired telephone number selected by an user from all or a part of telephone directory list is converted into audio data by an audio data converting circuit to transmit it to a communication partner, so that the telephone number corresponding to the audio data can be uttered as a voice at the partner side who receives the audio data. Thereby, a portable telephone device with improved user ability can be realized.
    Type: Grant
    Filed: October 29, 1998
    Date of Patent: May 22, 2001
    Assignee: Sony Corporation
    Inventors: Akira Todo, Hiroya Usui
  • Patent number: 4653867
    Abstract: A liquid crystal display apparatus wherein laser beams which are modulated in accordance with modulating signals such as video signals are irradiated on a liquid crystal cell for writing the display image or picture on the cell. In the present invention, the laser beams emitted from two laser beam sources are combined at a polarization beam splitter with an angular offset between the respective optical axes equal to .DELTA..theta., and the picture components corresponding to two scanning lines are simultaneously written into the liquid crystal cell during one scanning period, for increasing the image writing speed.
    Type: Grant
    Filed: June 3, 1985
    Date of Patent: March 31, 1987
    Assignee: Sony Corporation
    Inventors: Tetsuo Urabe, Mikio Sugiki, Hiroya Usui