Patents by Inventor TAKEHIRO UMEDA

TAKEHIRO UMEDA 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).

  • CATION-MODIFIED SILICA RAW MATERIAL DISPERSION
    Publication number: 20190112196
    Abstract: Intended is to provide a cation-modified silica dispersion wherein viscosity change with lapse of time is suppressed, and also intended is to suppress the variation in performance of a product using the dispersion as a raw material (for example, a polishing agent). A cation-modified silica raw material dispersion which is being stored after being adjusted to less than pH 7.0.
    Type: Application
    Filed: March 8, 2017
    Publication date: April 18, 2019
    Inventors: YUKARI UEHARA, TAKEHIRO UMEDA, SHOGO ONISHI