Patents by Inventor Tomoe Sasaki

Tomoe Sasaki 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).

  • Inner cap for toner container and toner container
    Patent number: 8233818
    Abstract: A toner container that can pass not only air but a toner, has toner sealing ability, and does not allow toner leakage even during transportation and an inner pressure change of the container, by placing an air permeable member at the fitting part in the casing part. An inner cap including at least the air permeable member is placed in the casing part of the inner cap, wherein the inner cap is used for a toner container that is detachably mounted to a developing unit in an image forming apparatus using an electrophotographical method, and the toner container includes at least a container main body, the inner cap, and an outer cap.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: July 31, 2012
    Assignee: Ricoh Company, Ltd.
    Inventors: Tomoe Sasaki, Masashi Hasegawa, Tetsuya Kusano, Nobuhiro Makita, Makoto Kawaguchi, Yoshihide Kawamura, Seiji Terazawa
  • INNER CAP FOR TONER CONTAINER AND TONER CONTAINER
    Publication number: 20100284710
    Abstract: A toner container that can pass not only air but a toner, has toner sealing ability, and does not allow toner leakage even during transportation and an inner pressure change of the container, by placing an air permeable member at the fitting part in the casing part. An inner cap including at least the air permeable member is placed in the casing part of the inner cap, wherein the inner cap is used for a toner container that is detachably mounted to a developing unit in an image forming apparatus using an electrophotographical method, and the toner container includes at least a container main body, the inner cap, and an outer cap.
    Type: Application
    Filed: March 12, 2008
    Publication date: November 11, 2010
    Inventors: Tomoe Sasaki, Masashi Hasegawa, Tetsuya Kusano, Nobuhiro Makita, Makoto Kawaguchi, Yoshihide Kawamura, Seiji Terazawa