Patents by Inventor Takaharu Ura

Takaharu Ura 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).

  • Rotor for printed-wiring motor
    Patent number: 4949002
    Abstract: A rotor for printed-wiring motors includes a flat disk-like non-iron armature mounted on a hub secured to a rotating shaft, the armature being composed of at least two sheet coil assemblies bonded together under heat and pressure with a first thin insulating disc disposed therebetween. Each of the sheet coil assemblies is composed of a pair of sheet coils bonded together under heat and pressure with a second thin insulating disc disposed therebetween. Both the first and second insulating disc are formed of a web of aramid fiber coated with an insulating bonded adhesive.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: August 14, 1990
    Assignee: Asmo Co., Ltd.
    Inventors: Hiromitu Ibe, Yoshimichi Shirai, Takaharu Ura