Patents by Inventor Chakchung Andrew Yu

Chakchung Andrew Yu 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).

  • BATTERY SEPARATOR, METHOD OF MANUFACTURING A BATTERY SEPARATOR, BATTERY, BATTERY PACK, AND ELECTRONIC APPARATUS
    Publication number: 20120202103
    Abstract: A battery separator includes a porous base material and a heat-resistant layer. The porous base material includes a first surface, a second surface opposed to the first surface, and a hole. The hole is formed in the porous base material and causes the first surface and the second surface to communicate with each other. The heat-resistant layer is configured to cover at least the first surface and a surface of the hole. The heat-resistant layer is formed of an inorganic material and deposited by an atomic layer deposition method.
    Type: Application
    Filed: February 1, 2012
    Publication date: August 9, 2012
    Applicant: Sony Corporation
    Inventors: Chakchung Andrew Yu, Takahiro Kawana, Nobuyuki Nagaoka