Patents by Inventor Takemi Yumoto

Takemi Yumoto 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).

  • Bidirectional communication system
    Patent number: 5667440
    Abstract: A bidirectional communication system includes a center unit and one or more terminal units connected to the center unit via a communication line. The center unit includes: program executing unit for executing one or more programs utilizing operation data in response to selection signals specifying a program to be executed and transmitting information associated with the programs to the terminal units via the communication line; control unit for controlling the program executing unit and the terminal units; and receiving unit for receiving the operation data from the terminal units and supplying the operation data to the program executing unit. The operation data being necessary for execution of the program.
    Type: Grant
    Filed: December 20, 1994
    Date of Patent: September 16, 1997
    Assignee: Pioneer Electronic Corporation
    Inventors: Masafumi Sasaki, Takemi Yumoto, Kazuki Komatsu, Noriyuki Shiragami