Patents by Inventor Seisiro Ito

Seisiro Ito 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).

  • Base composition comprising an irradiated organic pigment
    Patent number: 4478643
    Abstract: A pigment-containing base composition comprising at least one organic pigment irradiated with low-temperature plasma and at least one polar resin or solvent, which has good dispersibility.
    Type: Grant
    Filed: June 9, 1983
    Date of Patent: October 23, 1984
    Assignees: Gakko Hojin Kinki Daigaku, Nippon Paint Co., Ltd.
    Inventors: Tosihide Kuwahara, Mituo Kiboku, Seisiro Ito, Tatuhiko Ihara, Shoji Ikeda