Patents by Inventor Kei Takashi

Kei Takashi 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).

  • Semiconductor Device, Power Circuit, And Manufacturing Method Of Semiconductor Device
    Publication number: 20140239299
    Abstract: The semiconductor device includes a first conductive layer over a substrate; an oxide semiconductor layer which covers the first conductive layer; a second conductive layer in a region which is not overlapped with the first conductive layer over the oxide semiconductor layer; an insulating layer which covers the oxide semiconductor layer and the second conductive layer; and a third conductive layer in a region including at least a region which is not overlapped with the first conductive layer or the second conductive layer over the insulating layer.
    Type: Application
    Filed: May 8, 2014
    Publication date: August 28, 2014
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Kei Takashi, Yoshiaki Ito