Patents by Inventor Takashige NAGAO

Takashige NAGAO 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).

  • Manufacturing method of semiconductor device with attached film
    Patent number: 11145515
    Abstract: In a manufacturing method of a semiconductor device including a substrate having a front surface and a rear surface, and a film attached to the rear surface, the film is attached on the rear surface, a rear surface side groove is provided by half-cutting the substrate from the rear surface together with the film, a protective member is attached to the film after the rear surface side groove is provided, and a front surface side groove connected to the rear surface side groove is provided by dicing the substrate from the front surface after the protective member is attached.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: October 12, 2021
    Assignee: DENSO CORPORATION
    Inventors: Shuntaro Yamada, Akinori Kanda, Tetsuo Yoshioka, Takashige Nagao, Kouichi Miyashita
  • SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE
    Publication number: 20200058510
    Abstract: In a manufacturing method of a semiconductor device including a substrate having a front surface and a rear surface, and a film attached to the rear surface, the film is attached on the rear surface, a rear surface side groove is provided by half-cutting the substrate from the rear surface together with the film, a protective member is attached to the film after the rear surface side groove is provided, and a front surface side groove connected to the rear surface side groove is provided by dicing the substrate from the front surface after the protective member is attached.
    Type: Application
    Filed: October 24, 2019
    Publication date: February 20, 2020
    Inventors: Shuntaro YAMADA, Akinori KANDA, Tetsuo YOSHIOKA, Takashige NAGAO, Kouichi MIYASHITA