Patents by Inventor Mami ITO

Mami ITO 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, LEAD FRAME, AND METHOD OF MANUFACTURING LEAD FRAME
    Publication number: 20170084547
    Abstract: Provided is a lead frame that may prevent resin cracks from occurring in a semiconductor device. When a lead frame (3) is formed through press working, punching burrs (3d) are formed on tips of inner leads (3b) to serve as anchors with respect to a resin (5). The punching burrs (3d) are acute-angled projecting portions formed in a direction of a bottom surface of the semiconductor device.
    Type: Application
    Filed: September 13, 2016
    Publication date: March 23, 2017
    Inventor: Mami ITO