Patents by Inventor Karin NAKAHARA

Karin NAKAHARA 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: 11320755
    Abstract: A brilliant developer contains a metallic pigment containing pigment particles, a binder resin, and an external additive. A percentage of the pigment particles not less than 2 ?m and not more than 4 ?m in a volume particle size distribution of a residue separated from a mixture obtained by dissolving the brilliant developer in tetrahydrofuran after removing the external additive from the brilliant developer is not less than 21.5% and not more than 25.3%.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: May 3, 2022
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Karin Nakahara
  • Publication number: 20210200110
    Abstract: A brilliant developer contains a metallic pigment containing pigment particles, a binder resin, and an external additive. A percentage of the pigment particles not less than 2 ?m and not more than 4 ?m in a volume particle size distribution of a residue separated from a mixture obtained by dissolving the brilliant developer in tetrahydrofuran after removing the external additive from the brilliant developer is not less than 21.5% and not more than 25.3%.
    Type: Application
    Filed: December 16, 2020
    Publication date: July 1, 2021
    Inventor: Karin NAKAHARA