Patents by Inventor Takaharu NAGASAWA

Takaharu NAGASAWA 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
    Patent number: 9331036
    Abstract: In a semiconductor device, a conductor pattern is disposed in a position overlapped by a semiconductor chip in a thickness direction over the mounting surface (lower surface) of a wiring board. A solder resist film (insulating layer) covering the lower surface of the wiring board has apertures formed such that multiple portions of the conductor pattern are exposed. The conductor pattern has conductor apertures. The outlines of the apertures and the conductor apertures overlap with each other, in a plan view, respectively.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: May 3, 2016
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Takaharu Nagasawa
  • SEMICONDUCTOR DEVICE
    Publication number: 20150221604
    Abstract: In a semiconductor device, a conductor pattern is disposed in a position overlapped by a semiconductor chip in a thickness direction over the mounting surface (lower surface) of a wiring board. A solder resist film (insulating layer) covering the lower surface of the wiring board has apertures formed such that multiple portions of the conductor pattern are exposed. The conductor pattern has conductor apertures. The outlines of the apertures and the conductor apertures overlap with each other, in a plan view, respectively.
    Type: Application
    Filed: April 16, 2015
    Publication date: August 6, 2015
    Inventor: Takaharu NAGASAWA
  • Semiconductor device
    Patent number: 9035472
    Abstract: In a semiconductor device, a conductor pattern is disposed in a position overlapped by a semiconductor chip in a thickness direction over the mounting surface (lower surface) of a wiring board. A solder resist film (insulating layer) covering the lower surface of the wiring board has apertures formed such that multiple portions of the conductor pattern are exposed. The conductor pattern has conductor apertures. The outlines of the apertures and the conductor apertures overlap with each other, in a plan view, respectively.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: May 19, 2015
    Assignee: Renesas Electronics Corporation
    Inventor: Takaharu Nagasawa
  • SEMICONDUCTOR DEVICE
    Publication number: 20140138836
    Abstract: In a semiconductor device, a conductor pattern is disposed in a position overlapped by a semiconductor chip in a thickness direction over the mounting surface (lower surface) of a wiring board. A solder resist film (insulating layer) covering the lower surface of the wiring board has apertures formed such that multiple portions of the conductor pattern are exposed. The conductor pattern has conductor apertures. The outlines of the apertures and the conductor apertures overlap with each other, in a plan view, respectively.
    Type: Application
    Filed: November 15, 2013
    Publication date: May 22, 2014
    Applicant: Renesas Electronics Corporation
    Inventor: Takaharu NAGASAWA