Patents by Inventor Katsunori Muraoka

Katsunori Muraoka 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).

  • Electronic device and process for producing the same
    Patent number: 6660409
    Abstract: Electrically functional electronic device including an organic electroluminescence device is protected with a dense protective film, e.g. a silicon oxynitride film, formed on at least one part of the outer surface of the device at a low temperature by ECR plasma sputtering can prevent permeation of moisture, oxygen etc. into the device from the outside.
    Type: Grant
    Filed: September 12, 2000
    Date of Patent: December 9, 2003
    Assignees: Panasonic Communications Co., Ltd
    Inventors: Takahiro Komatsu, Akira Gyoutoku, Shintaro Hara, Takafumi Hamano, Hiroshi Nakashima, Dawei Gao, Katsunori Muraoka, Katsuhiko Furukawa