Patents by Inventor Takayoshi Urabe

Takayoshi Urabe 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).

  • Inverter device
    Patent number: 7706164
    Abstract: An inverter device, which has two operation modes including a grid-connected operation mode where the inverter device is interconnected with a commercial power system, and an isolated operation mode where the inverter device is independent of a commercial power system and performs an isolated operation, includes an inverter converting direct-current power received from a direct-current power supply of a solar battery array into alternating-current power, a control unit controlling an action of an inverter device, a plug for outputting the alternating-current power converted by the inverter, and a load-connecting receptacle on a path of a power supply line connecting the inverter and the plug, for outputting the alternating-current power.
    Type: Grant
    Filed: March 16, 2005
    Date of Patent: April 27, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Shunsuke Nishi, Takayoshi Urabe
  • Inverter device
    Publication number: 20070177338
    Abstract: An inverter device, which has two operation modes including a grid-connected operation mode where the inverter device is interconnected with a commercial power system, and an isolated operation mode where the inverter device is independent of a commercial power system and performs an isolated operation, includes an inverter converting direct-current power received from a direct-current power supply of a solar battery array into alternating-current power, a control unit controlling an action of an inverter device, a plug for outputting the alternating-current power converted by the inverter, and a load-connecting receptacle on a path of a power supply line connecting the inverter and the plug, for outputting the alternating-current power.
    Type: Application
    Filed: March 16, 2005
    Publication date: August 2, 2007
    Inventors: Shunsuke Nishi, Takayoshi Urabe