Patents by Inventor Kiyohito ITOH

Kiyohito ITOH 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).

  • Active-matrix substrate, display device and touch panel
    Patent number: 12174502
    Abstract: A touch panel includes a first portion extending in a first direction within a pixel region, a source driving circuit, an inspection circuit, an input terminal region, and an inspection line extending in the first direction within a frame region. The inspection line is formed in a layer different from a layer where the first portion is formed. The inspection line is connected to the first portion and a second portion via a contact hole between a touch-detecting electrode and the source driving circuit. The second portion crosses the source driving circuit and the inspection circuit in a direction intersecting the first direction.
    Type: Grant
    Filed: January 23, 2024
    Date of Patent: December 24, 2024
    Assignee: SHARP DISPLAY TECHNOLOGY CORPORATION
    Inventors: Shige Furuta, Takahiro Yamaguchi, Kohei Hosoyachi, Yuhichiroh Murakami, Kiyohito Itoh
  • ACTIVE-MATRIX SUBSTRATE, DISPLAY DEVICE AND TOUCH PANEL
    Publication number: 20240329473
    Abstract: A touch panel includes a first portion extending in a first direction within a pixel region, a source driving circuit, an inspection circuit, an input terminal region, and an inspection line extending in the first direction within a frame region. The inspection line is formed in a layer different from a layer where the first portion is formed. The inspection line is connected to the first portion and a second portion via a contact hole between a touch-detecting electrode and the source driving circuit. The second portion crosses the source driving circuit and the inspection circuit in a direction intersecting the first direction.
    Type: Application
    Filed: January 23, 2024
    Publication date: October 3, 2024
    Inventors: Shige FURUTA, Takahiro YAMAGUCHI, Kohei HOSOYACHI, Yuhichiroh MURAKAMI, Kiyohito ITOH