Patents by Inventor Junko YAMASAKI

Junko YAMASAKI 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).

  • Publication number: 20220244653
    Abstract: A unit includes: a developing device configured to develop an electrostatic charge image that is formed on a surface of an image carrier, as a toner image with a developer including a brilliant toner containing a flat brilliant pigment, the developer being accommodated in the developing device; and a fixing device configured to fix the toner image onto a surface of a recording medium at a fixing temperature of 130° C. or higher and 230° C. or lower that includes a fixing belt, a first roller and a second roller that are disposed inside the fixing belt and support the fixing belt while applying tension to the fixing belt, and a pressure roller, the first roller and the pressure roller sandwiching the fixing belt to form a nip portion.
    Type: Application
    Filed: August 23, 2021
    Publication date: August 4, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Yukiko KAMIJO, Hideaki OHARA, Kenji OMORI, Junko YAMASAKI, Daisuke NAKASHIMA, Yuka ISHIHARA, Hitoshi KOMURO
  • Patent number: 11359041
    Abstract: An endless belt includes a substrate layer, and a first surface layer that is disposed on an outer circumferential surface of the substrate layer and that includes a cross-linked fluororesin layer. A layer containing a cross-linked fluororesin forms the inner circumferential surface of the belt. Martens hardness of the inner circumferential surface of the belt at 130° C. is higher than Martens hardness of the outer circumferential surface of the belt at 130° C.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: June 14, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Hideaki Ohara, Kenji Omori, Junko Yamasaki, Kenta Yamakoshi
  • Publication number: 20210301050
    Abstract: An endless belt includes a substrate layer, and a first surface layer that is disposed on an outer circumferential surface of the substrate layer and that includes a cross-linked fluororesin layer. A layer containing a cross-linked fluororesin forms the inner circumferential surface of the belt. Martens hardness of the inner circumferential surface of the belt at 130° C. is higher than Martens hardness of the outer circumferential surface of the belt at 130° C.
    Type: Application
    Filed: July 1, 2020
    Publication date: September 30, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hideaki OHARA, Kenji OMORI, Junko YAMASAKI, Kenta YAMAKOSHI