Patents by Inventor Shinzaburo Ishikawa

Shinzaburo Ishikawa 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: 6243069
    Abstract: A TFT(L) 26 with n-channel, which is connected to a transparent pixel electrode 24, and a TFT(D) 27 with p-annel, which is connected to a cathode side of a photodiode 25, are connected to a common source line 22 and a common gate line 23 and are composed so that each of them can be controlled in an ON state independently by impressing a positive voltage VL or a negative voltage VD on the gate line 23. A backlight 18 which is provided on a backside of an active matrix panel 13 comprises monochromatic light sources 18a-18c for emitting each monochromatic light of red, blue or green, and a picture of each color is displayed in a time division. While reading a picture, the picture of the components of red, blue and green are read at each simplex pixel by using each of the monochromatic light sources 18a-18c sequentially.
    Type: Grant
    Filed: February 18, 1999
    Date of Patent: June 5, 2001
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kazufumi Ogawa, Shinzaburo Ishikawa, Takashi Okada, Yoshinao Taketomi
  • Patent number: 4392166
    Abstract: A magnetoresistance effect type head or an MR head which includes a main portion further having a casing with a recess at its one surface, for providing a bonding surface in the casing so as to be generally U-shape in its cross section, and a magnetoresistance effect type head chip, a support member for a magnetic tape sliding surface and a terminal member for external connection which are all collectively bonded to the bonding surface, and a cover plate further bonded onto the main portion.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: July 5, 1983
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shinzaburo Ishikawa, Kenji Kanai, Nobuyuki Kaminaka, Tetuo Adachi