Patents by Inventor Hiroaki Sowa

Hiroaki Sowa 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).

  • Electrically heated blanket
    Patent number: 6617550
    Abstract: An electrically heated blanket which is able to adjust temperature by means of a controller comprising a main blanket body composing of fabrics, two heater cables arranged over the main blanket body which form a configuration of a concave or a U-letter in a plan view. The two heater cables are arranged adjacent and in parallel to each other, beginning ends thereof being connected to the controller and the terminal ends thereof being connected to each other in which electric current flows in opposite directions.
    Type: Grant
    Filed: January 14, 2002
    Date of Patent: September 9, 2003
    Inventors: Yoshiji Sowa, Hiroaki Sowa
  • ELECTRICALLY HEATED BLANKET
    Publication number: 20030132212
    Abstract: An electrically heated blanket which is able to adjust temperature by means of a controller comprising a main blanket body composing of fabrics, two heater cables arranged over the main blanket body which form a configuration of a concave or a U-letter in a plan view. The two heater cables are arranged adjacent and in parallel to each other, beginning ends thereof being connected to the controller and the terminal ends thereof being connected to each other in which electric current flows in opposite directions.
    Type: Application
    Filed: January 14, 2002
    Publication date: July 17, 2003
    Inventors: Yoshiji Sowa, Hiroaki Sowa