Patents by Inventor Kai Takayuki

Kai Takayuki 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 manufacturing method and semiconductor device
    Patent number: 8349736
    Abstract: A base conductive member is formed on a surface and in a hole section of a substrate, and a resist is formed on a part of the base conductive member in which a conductive layer is not to be formed. The conductive layer is formed on a part except for the part in which the resist has been formed, and a mask metal is formed on the conductive layer. Then, the resist is removed, and the base conductive member is etched using the mask metal as a mask to form the conductive layer into a predetermined shape.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: January 8, 2013
    Assignee: Panasonic Corporation
    Inventors: Isao Muragishi, Kai Takayuki, Saito Daishiro, Daisuke Yamamoto, Takeshi Koiwasaki