Patents by Inventor Naoya lsono

Naoya lsono 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).

  • TONER
    Publication number: 20220075284
    Abstract: A toner comprising a toner particle and a silica particle on a surface of the toner particle, wherein an area formed by a polyester resin and an area formed by a styrene-acrylic resin are present on the surface of the toner particle; the silica particle has the number-average particle diameter of 15 to 60 nm; the silica particle has the average pore diameter of 5.0 to 20.0 nm; and the silica particle has the total pore volume of 0.20 to 1.50 cm3/g.
    Type: Application
    Filed: September 3, 2021
    Publication date: March 10, 2022
    Inventors: Kenichi Nakayama, Naoya lsono, Yoshiaki Shiotari, Hirofumi Kyuushima