Patents by Inventor Tetsurou Koyama

Tetsurou Koyama 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: 6723199
    Abstract: A lamination method, which is a method in which a dry resist film, formed by providing a color resist layer on a base film, is cut based upon the length of a substrate in the feeding direction, and press-bonded onto the substrate, and then the color resist layer is transferred onto the substrate by separating the base film, is provided with the following steps: in the cutting process, cutting the film so that the rear end of the dry resist film, after the press-bonding, extrudes from the rear end of the substrate by a predetermined width; and cutting the dry resist film again at a position inside the rear end of the substrate prior to separating the base film after the dry resist film has been press-bonded so as to eliminate the portion of the dry resist film extruding from the substrate.
    Type: Grant
    Filed: June 13, 2000
    Date of Patent: April 20, 2004
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masaharu Akitomo, Tetsurou Koyama
  • Patent number: 6190489
    Abstract: A lamination method, which is a method in which a dry resist film, formed by providing a color resist layer on a base film, is cut based upon the length of a substrate in the feeding direction, and press-bonded onto the substrate, and then the color resist layer is transferred onto the substrate by separating the base film, is provided with the following steps: in the cutting process, cutting the film so that the rear end of the dry resist film, after the press-bonding, extrudes from the rear end of the substrate by a predetermined width; and cutting the dry resist film again at a position inside the rear end of the substrate prior to separating the base film after the dry resist film has been press-bonded so as to eliminate the portion of the dry resist film extruding from the substrate.
    Type: Grant
    Filed: September 15, 1998
    Date of Patent: February 20, 2001
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masaharu Akitomo, Tetsurou Koyama
  • Patent number: 5808712
    Abstract: A transparent liquid crystal display device has an interlayer insulating film formed of a highly transparent, organic thin film having light condensing ability provided over a switching element, a gate signal line and a data signal line. As light condensing ability is provided within the interlayer insulating film with a pixel electrode formed of a transparent conductive film provided on said interlayer insulating film, the interlayer insulating film is not readily scarred and a polarizer can be readily stuck to the interlayer insulating film.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: September 15, 1998
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tadanori Hishida, Tetsurou Koyama, Takayuki Shimada, Mikio Katayama
  • Patent number: 5731855
    Abstract: A liquid crystal display device includes an insulating substrate, scanning lines formed on a main surface of the insulting substrate, a gate insulating film formed on the main surface and the scanning lines, signal lines formed crossing the scanning lines on the gate insulating film, an interlayer insulating film formed on the scanning lines, the first insulating film and the signal lines, pixel electrodes provided at respective regions defined by respective pairs of adjacent scanning lines and respective pairs of adjacent signal lines on the interlayer insulating film, TFTs provided corresponding to the pixel electrodes near respective cross points between the scanning lines and the signal lines, responsive to respective signals applied from respective ones of the pairs of scanning lines defining respective regions where the corresponding pixel electrodes are formed for connecting or disconnecting respective ones of the pair of signal lines defining the regions to or from the pixel electrodes, and a protecti
    Type: Grant
    Filed: September 26, 1996
    Date of Patent: March 24, 1998
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tetsurou Koyama, Yasunobu Tagusa, Masaya Okamoto