Patents by Inventor Hisao Yamazato

Hisao Yamazato 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).

  • Internal communications system for refrigerator and wiring structure thereof
    Patent number: 5555189
    Abstract: A communication system is provided in electric devices such as refrigerators. Refrigerators include a plurality of output units such as electric fans, electric dampers, and output units such as sensors, thermistors, etc. The communication system is provided in the vicinity of the input and output units. The communication system includes a plurality of sub-control sections for controlling operations of the output units, a main control section for controlling the electric device by controlling operations of each sub-control section, a single communication-use cable for connecting the main control section and the sub-control sections so as to permit communications between them. The communication system permits a reduction in the number of cables required for connecting the main control section to the input and output units and simplified processes for routing the cables. As a result, compact size electric devices and reduction in manufacturing costs are enabled.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: September 10, 1996
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hisao Yamazato, Naoki Tani, Naohiko Aoki, Jyunzou Kasihara, Yasunari Uramoto
  • Communication system
    Patent number: 5485397
    Abstract: A communication system of the present invention is provided in electric devices such as refrigerators including a plurality of output units such as electric fans, electric dampers, and output units such as sensors, thermistors, etc. The communication system is provided in the vicinity of the input and output units. The communication system includes a plurality of sub-control sections for controlling operations of the output units, a main control section for controlling the electric device by controlling operations of each sub-control section, a single communication-use cable for connecting the main control section and the sub-control sections so as to permit communications between them. Bidirectional communications between the main control section and each sub-control section are carried out through the communication-use cable.
    Type: Grant
    Filed: July 23, 1993
    Date of Patent: January 16, 1996
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hisao Yamazato, Naoki Tani, Naohiko Aoki, Jyunzou Kashihara, Yasunari Uramoto