Patents by Inventor Yukiko Omori

Yukiko Omori 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: 6678484
    Abstract: An image forming apparatus and method using a toner containing toner particles having a coefficient of shape falling within a range of 1.0 to 1.6 of an amount of at least 65% by number, and having no protrusion of an amount of at least 50% by number, the image forming apparatus including a charging device for uniformly charging a photoreceptor, a developing device for developing an image obtained by imagewise exposure with the toner, a transfer device for transferring a toner image onto a transfer material, a fixing device for fixing, and a cleaning device for cleaning the photoreceptor after the transfer of a toner image, wherein when a toner image which is not to be transferred is formed on the photoreceptor, image formation is performed after cleaning is done a plurality of times for an area on which the toner image has been formed in the previous process.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: January 13, 2004
    Assignee: Konica Corporation
    Inventors: Yasushi Koshimura, Yukiko Omori, Junichi Hamada, Mitsugu Nemoto
  • Patent number: 6591075
    Abstract: A cleaning method of a toner image carrying body, includes the steps of: bringing a discharging member formed in a shape of flexible plate having electric conductivity, which is electrically grounded or to which a discharging voltage is applied, into contact with the toner image carrying body, thereby discharging a toner on the toner image carrying body; and operating a cleaning device on the toner image carrying body whereby cleaning the toner.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: July 8, 2003
    Assignee: Konica Corporation
    Inventors: Junichi Koiso, Atsushi Ogane, Junichi Hamada, Yukiko Omori, Mitsugu Nemoto, Kazuhiko Sato
  • Publication number: 20020191986
    Abstract: An image forming apparatus using a toner containing toner particles having a coefficient of shape falling within a range of 1.0 to 1.6 of an amount of at least 65% by number, and having no protrusion of an amount of at least 50% by number, the image forming apparatus including a charging device for uniformly charging a photoreceptor, a developing device for developing an image obtained by imagewise exposure with the toner, a transfer device for transferring a toner image onto a transfer material, a fixing device for fixing, and a cleaning device for cleaning the photoreceptor after the transfer of a toner image, wherein when a toner image which is not to be transferred is formed on the photoreceptor, image formation is performed after cleaning is done a plurality of times for an area on which the toner image has been formed in the previous process.
    Type: Application
    Filed: May 21, 2002
    Publication date: December 19, 2002
    Inventors: Yasushi Koshimura, Yukiko Omori, Junichi Hamada, Mitsugu Nemoto
  • Publication number: 20020150406
    Abstract: A cleaning method of a toner image carrying body, includes the steps of: bringing a discharging member formed in a shape of flexible plate having electric conductivity, which is electrically grounded or to which a discharging voltage is applied, into contact with the toner image carrying body, thereby discharging a toner on the toner image carrying body; and operating a cleaning device on the toner image carrying body whereby cleaning the toner.
    Type: Application
    Filed: February 20, 2002
    Publication date: October 17, 2002
    Inventors: Junichi Koiso, Atsushi Ogane, Junichi Hamada, Yukiko Omori, Mitsugu Nemoto, Kazuhiko Sato