Patents by Inventor Takeshi Sawatsubashi

Takeshi Sawatsubashi 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).

  • Liquid crystal display device having a driving circuit inside the seal boundary
    Patent number: 5148301
    Abstract: A liquid crystal display device comprises first and second substrates disposed to face each other, first and second electrodes formed on the both substrates to opposed to each other and forming a display region, signal leads formed on the second substrate and connected to the second electrodes, a seal surrounding the display region between the substrates and connecting together the substrates, a driving circuit provided between outer edges of the display region and those of the seal and connected to the leads, for generating a driving signal and supplying the signal to the wires in response to externally input display data, and a liquid crystal material sealed in a space surrounded by the substrates and seal.
    Type: Grant
    Filed: February 21, 1991
    Date of Patent: September 15, 1992
    Assignee: Casio Computer Co., Ltd.
    Inventors: Takeshi Sawatsubashi, Atsushi Mawatari, Hiroyuki Okimoto