Patents by Inventor Naotaka Noguchi

Naotaka Noguchi 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).

  • WIRING BOARD AND MANUFACTURING METHOD OF WIRING BOARD
    Publication number: 20230089948
    Abstract: A wiring board includes: a wiring layer; an insulating layer laminated on the wiring layer; an opening portion penetrating through the insulating layer to the wiring layer; a recess portion formed in a surface of the wiring layer exposed from the opening portion of the insulating layer; and a conductor film formed in the opening portion of the insulating layer and the recess portion of the wiring layer, wherein the recess portion of the wiring layer includes a raised portion, which is raised higher than an outer peripheral portion of a bottom surface, at a central portion of the bottom surface.
    Type: Application
    Filed: September 19, 2022
    Publication date: March 23, 2023
    Inventors: Takashi Kasuga, Tomoyuki Shimodaira, Hikaru Tanaka, Naotaka Noguchi, Takashi Sato, Hitoshi Kondo