Patents by Inventor Tuyoshi Okuda

Tuyoshi Okuda 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).

  • Dampening water feeding method for a printing machine, and the printing machine
    Patent number: 6802251
    Abstract: A color density measuring step is executed for measuring color densities of unprinted areas on prints. Then, a determining step is executed for determining from the color densities of the unprinted areas on the prints whether ink tinting has occurred. When the determining step determines that ink tinting has occurred, a dampening water adjusting step is executed for adjusting a dampening water feeding rate after feeding dampening water in an increased rate once. A variation in the ink feeding rate is prohibited for a predetermined waiting time after feeding dampening water in the increased rate once in the dampening water adjusting step.
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: October 12, 2004
    Assignee: Dainippon Screen Mfg. Co., Ltd.
    Inventors: Takaharu Yamamoto, Kazuki Fukui, Tuyoshi Okuda
  • Dampening water feeding method for a printing machine, and the printing machine
    Publication number: 20030217654
    Abstract: A color density measuring step is executed for measuring color densities of unprinted areas on prints. Then, a determining step is executed for determining from the color densities of the unprinted areas on the prints whether ink tinting has occurred. When the determining step determines that ink tinting has occurred, a dampening water adjusting step is executed for adjusting a dampening water feeding rate after feeding dampening water in an increased rate once. A variation in the ink feeding rate is prohibited for a predetermined waiting time after feeding dampening water in the increased rate once in the dampening water adjusting step.
    Type: Application
    Filed: April 18, 2003
    Publication date: November 27, 2003
    Applicant: DAINIPPON SCREEN MFG. CO., LTD.
    Inventors: Takaharu Yamamoto, Kazuki Fukui, Tuyoshi Okuda