Patents by Inventor Yoshiyukie Yamanashi

Yoshiyukie Yamanashi 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).

  • Air conditioning system
    Patent number: 6865898
    Abstract: An air-conditioning system having a plurality of air conditioners, each air conditioner including an outdoor transmission/receiving unit for transmitting by superposing the operation data on an outdoor power line for supplying power to an outdoor unit and receiving the operation data superposed on the outdoor power line, an indoor transmission/receiving unit for transmitting by superposing the operation data on an indoor power line for supplying power to an indoor unit and receiving the operation data superposed on the indoor power line, an outdoor conversion unit for transmitting by converting the operation data superposed on the outdoor power line into a signal and receiving and superposing the signal on the outdoor power line, and an indoor conversion unit for transmitting by converting the operation data superposed on the indoor power line into a signal and receiving and superposing the signal on the indoor power line.
    Type: Grant
    Filed: June 24, 2003
    Date of Patent: March 15, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Yoshiyukie Yamanashi, Keiji Satou, Masami Ozaki, Masamichi Mochizuki, Tatsuya Sugiyama, Noriyuki Bunkou
  • Air conditioning system
    Publication number: 20040010347
    Abstract: An air-conditioning system having a plurality of air conditioners, each air conditioner including an outdoor transmission/receiving unit for transmitting by superposing the operation data on an outdoor power line for supplying power to an outdoor unit and receiving the operation data superposed on the outdoor power line, an indoor transmission/receiving unit for transmitting by superposing the operation data on an indoor power line for supplying power to an indoor unit and receiving the operation data superposed on the indoor power line, an outdoor conversion unit for transmitting by converting the operation data superposed on the outdoor power line into a signal and receiving and superposing the signal on the outdoor power line, and an indoor conversion unit for transmitting by converting the operation data superposed on the indoor power line into a signal and receiving and superposing the signal on the indoor power line.
    Type: Application
    Filed: June 24, 2003
    Publication date: January 15, 2004
    Inventors: Yoshiyukie Yamanashi, Keiji Satou, Masami Ozaki, Masamichi Mochizuki, Tatsuya Sugiyama, Noriyuki Bunkou