Patents by Inventor Tetsuji Hamada

Tetsuji Hamada 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).

  • Publication number: 20240088172
    Abstract: A display device in which a peripheral circuit portion has high operation stability is provided. The display device includes a first substrate and a second substrate. A first insulating layer is provided over a first surface of the first substrate. A second insulating layer is provided over a first surface of the second substrate. The first surface of the first substrate and the first surface of the second substrate face each other. An adhesive layer is provided between the first insulating layer and the second insulating layer. A protective film in contact with the first substrate, the first insulating layer, the adhesive layer, the second insulating layer, and the second substrate is formed in the vicinity of a peripheral portion of the first substrate and the second substrate.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 14, 2024
    Inventors: Shunpei YAMAZAKI, Yoshiharu HIRAKATA, Takashi HAMADA, Kohei YOKOYAMA, Yasuhiro JINBO, Tetsuji ISHITANI, Daisuke KUBOTA
  • Patent number: 5135344
    Abstract: Inner pickers (6) are provided for respective stages of racks (4) of storage areas (2, 3) to be movable on rails (7). Operations of the inner pickers (6) are independently controlled in the respective rack stages by optical communication through optical communication units (9).
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: August 4, 1992
    Assignee: Kabushikkaisha Itoki Kosakusho
    Inventors: Hiroshi Kita, Shigeki Tsuchida, Tetsuji Hamada
  • Patent number: 5002449
    Abstract: Inner pickers (6) are provided for respective stages of racks (4) of storage areas (2, 3) to be movable on rails (7). Operations of the inner pickers (6) are independently controlled in the respective rack stages by optical communication through optical communication units (9).
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: March 26, 1991
    Assignee: Kabushikikaisha Itoki Kosakusho
    Inventors: Hiroshi Kita, Shigeki Tsuchida, Tetsuji Hamada