Patents by Inventor Tetsuo Azuma

Tetsuo Azuma 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).

  • Roll coating device for forming a thin film of uniform thickness
    Patent number: 5755883
    Abstract: A roll coater for forming a film of uniform thickness on a substrate W includes a bottom plate 6 for transporting the substrate W in a predetermined direction F, a coating rubber roll 4 for transferring a coating liquid Q adhering to the outer circumferential face onto the substrate W, and an ink supplying device for supplying ink to the outer circumferential face of the roll 4. The ink supplying device includes a roll 1 for transferring the coating liquid Q adhering to the outer circumferential face thereof to the outer circumferential surface of a roll 4, metal doctor 2 for supplying a coated film of a coating liquid Q of uniform thickness, and a coating liquid reservoir 3 for storing coating liquid Q. A scraper 7 for scraping the remaining coating liquid Q on the outer circumferential face of the metal roll 1 is provided downstream of the roll 4 and upstream of the coating liquid reservoir 3.
    Type: Grant
    Filed: March 25, 1996
    Date of Patent: May 26, 1998
    Assignee: Dainippon Screen Mfg. Co., Ltd.
    Inventors: Kazuo Kinose, Kazuto Ozaki, Tetsuo Azuma, Hideo Okada