Patents by Inventor Hideaki Katsuoka

Hideaki Katsuoka 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: 7929886
    Abstract: A toner cartridge includes, a housing which forms an internal space for housing toner to be fed to an image forming apparatus and which has a filling port for filling the internal space with the toner, a divider plate which is movably provided in the housing so as to be able to divide the internal space, and a fixing portion which can fix the divider plate in a state of dividing the internal space.
    Type: Grant
    Filed: October 6, 2008
    Date of Patent: April 19, 2011
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Kyoichi Yoshizawa, Yukio Yamada, Koji Soda, Hideaki Katsuoka
  • Publication number: 20090097886
    Abstract: There is provided a toner cartridge capable of suppressing the use of the toner cartridge beyond its lifetime due to excessive refilling of toner, the toner cartridge including a housing 2 which forms an internal space for housing toner to be fed to an image forming apparatus and which has a filling port 6 for filling the internal space with the toner, a divider plate 4 which is pivotably supported in a swingable manner inside the housing 2 and which can divide the internal space when being hung down by gravity, and a fixing means which can fit the divider plate 4 in between an engaging projection 9 and a stopper 10 by screw-feeding the lower end of the divider plate 4 by a feed screw 3 for feeding toner and which can fix the divider plate 4 in the state of dividing the internal space.
    Type: Application
    Filed: October 6, 2008
    Publication date: April 16, 2009
    Applicant: Konica Minolta Business Technologies, Inc.
    Inventors: Kyoichi YOSHIZAWA, Yukio YAMADA, Koji SODA, Hideaki KATSUOKA