Patents by Inventor Sea Duk Oh

Sea Duk Oh 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).

  • Motor rotor having insulator including glass fiber
    Publication number: 20070063612
    Abstract: A motor rotor having an insulator coated on a contact surface of a core around which a coil is wound. The insulator is formed of plastic liquid on the exterior circumference of the core by insert molding, the plastic liquid including plastic and glass fiber heated and mixed at a ratio of 80-90% by weight to 10-20% by weight.
    Type: Application
    Filed: June 29, 2006
    Publication date: March 22, 2007
    Inventor: Sea Duk Oh