Patents by Inventor Yuuji Kayashima

Yuuji Kayashima 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).

  • Patent number: 8536691
    Abstract: A semiconductor device including a metal frame having a penetrating opening; a semiconductor chip provided in the opening; an insulating layer provided on the upper surface of the metal frame such that the insulating layer covers the upper surface, which is the circuit-formed surface of the semiconductor chip; an interconnect layer provided only on the upper-surface side of the metal frame with intervention of the insulating material and electrically connected to a circuit of the semiconductor chip; a via conductor provided on the upper surface of said semiconductor chip to electrically connect the circuit of the semiconductor chip and the interconnect layer; and a resin layer provided on the lower surface of the metal frame.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: September 17, 2013
    Assignee: Renesas Electronics Corporation
    Inventors: Katsumi Kikuchi, Shintaro Yamamichi, Hideya Murai, Katsumi Maeda, Takuo Funaya, Kentaro Mori, Takehiko Maeda, Masaya Kawano, Yuuji Kayashima
  • Publication number: 20090283895
    Abstract: A semiconductor device including a metal frame having a penetrating opening; a semiconductor chip provided in the opening; an insulating layer provided on the upper surface of the metal frame such that the insulating layer covers the upper surface, which is the circuit-formed surface of the semiconductor chip; an interconnect layer provided only on the upper-surface side of the metal frame with intervention of the insulating material and electrically connected to a circuit of the semiconductor chip; a via conductor provided on the upper surface of said semiconductor chip to electrically connect the circuit of the semiconductor chip and the interconnect layer; and a resin layer provided on the lower surface of the metal frame.
    Type: Application
    Filed: October 9, 2007
    Publication date: November 19, 2009
    Applicant: NEC Corporation
    Inventors: Katsumi Kikuchi, Shintaro Yamamichi, Hideya Murai, Katsumi Maeda, Takuo Funaya, Kentaro Mori, Takehiko Maeda, Masaya Kawano, Yuuji Kayashima