Patents by Inventor Kenta Kamikura

Kenta Kamikura 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: 7846631
    Abstract: Provided is a toner including toner particles each containing at least a binder resin, a colorant, and a wax component, and an inorganic fine powder, the toner being wherein: in a microscopic compression test on the toner, a recovery ratio Z(25) and the gradient of a load-displacement curve R(25) each satisfy a specific range; and the toner has a glass transition temperature (TgA) measured with a differential scanning calorimeter (DSC) in a specific range and a temperature (P1) of the highest endothermic peak measured with the DSC in a specific range, and the temperature (P1) of the highest endothermic peak and the glass transition temperature (TgA) satisfy a specific relationship.
    Type: Grant
    Filed: January 20, 2009
    Date of Patent: December 7, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasushi Katsuta, Koji Inaba, Ken-ichi Nakayama, Kenta Kamikura