Patents by Inventor Isamu Setoguchi

Isamu Setoguchi 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 composition
    Patent number: 5362779
    Abstract: A dampening water composition which is inexpensive and which does not contaminate working environment as well as exterior environment wherein the dampening water composition comprising water, a pH buffering agent, a water-soluble polymer and n-propyl alcohol, wherein at least a portion of the water-soluble polymer comprises pullulan.
    Type: Grant
    Filed: December 2, 1992
    Date of Patent: November 8, 1994
    Assignees: Dai Nippon Printing Co., Ltd., Kabushiki Kaisha Nichinan Kagaku
    Inventors: Takuo Kitayama, Isamu Setoguchi