Patents by Inventor Tsuneaki Suzuki

Tsuneaki Suzuki 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: 6547168
    Abstract: The present invention is to improve the coating quality by restraining non-uniformity and fluctuation of the ejection amount. A coating head comprises a liquid pool part formed in a bottom part of the coating head, a liquid ejecting slit communicating with the liquid pool part, opened to the atmosphere, and a liquid supply path formed parallel with the liquid ejecting slit with an interval, with one end communicating with the liquid supply opening and the other end communicating with the liquid pool part, wherein the liquid supply path comprises a first chamber communicating with the liquid supply opening, tilted toward the longitudinal direction end part, a second chamber communicating with the first chamber, narrower than the first chamber, and a slit with one end communicating with the second chamber and the other end communicating with the liquid pool part, further narrower than the second chamber.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: April 15, 2003
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventor: Tsuneaki Suzuki
  • Publication number: 20010025893
    Abstract: The present invention is to improve the coating quality by restraining non-uniformity and fluctuation of the ejection amount. A coating head comprises a liquid pool part formed in a bottom part of the coating head, a liquid ejecting slit communicating with the liquid pool part, opened to the atmosphere, and a liquid supply path formed parallel with the liquid ejecting slit with an interval, with one end communicating with the liquid supply opening and the other end communicating with the liquid pool part, wherein the liquid supply path comprises a first chamber communicating with the liquid supply opening, tilted toward the longitudinal direction end part, a second chamber communicating with the first chamber, narrower than the first chamber, and a slit with one end communicating with the second chamber and the other end communicating with the liquid pool part, further narrower than the second chamber.
    Type: Application
    Filed: February 20, 2001
    Publication date: October 4, 2001
    Inventor: Tsuneaki Suzuki