Patents by Inventor Kazuo Joroku

Kazuo Joroku 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).

  • Toner cartridge having an agitating paddle
    Patent number: 6405010
    Abstract: A toner cartridge including a cartridge body for containing toner, an agitating paddle for agitating toner and a toner blocking/setting prevention member operative in cooperation with the agitating paddle for preventing toner in the cartridge body from blocking or setting is provided. The toner blocking/setting prevention member may include a contacting projection provided on an agitating wing of the agitating paddle which contacts with a delivering spiral to oscillate the same. Further, the toner blocking/setting member may include an oscillating plate which is repelled by the rotation of the agitating paddle to assist in agitating toner.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: June 11, 2002
    Assignee: Kyocera Mita Corporation
    Inventors: Tsutomu Ashikari, Kazuo Joroku
  • Part-replacement aid tool and image forming apparatus to which the same is attachable
    Patent number: 6374068
    Abstract: An aid tool used for aiding in replacement operation of a part to be replaced in an image forming apparatus. This aid tool includes: a part holding unit for holding a part to be replaced; and a mounting portion for removably mounting the part holding unit on an image forming apparatus. The part holding unit is for example a part housing container for housing a part, and may also serve as a packaging container which houses a new replacing part. The part housing container may include, for example, a main body for receiving the part to be replaced, and a lid for openably closing the main body.
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: April 16, 2002
    Assignee: Kyocera Mita Corporation
    Inventors: Takahisa Nakaue, Kazuo Joroku, Yoshizo Kawamori, Tsutomu Ashikari, Kiyomi Kayama, Takehiro Minami
  • Toner cartridge
    Publication number: 20010046395
    Abstract: A toner cartridge including a cartridge body for containing toner, an agitating paddle for agitating toner and a toner blocking/setting prevention member operative in cooperation with the agitating paddle for preventing toner in the cartridge body from blocking or setting is provided. The toner blocking/setting prevention member may include a contacting projection provided on an agitating wing of the agitating paddle which contacts with a delivering spiral to oscillate the same. Further, the toner blocking/setting member may include an oscillating plate which is repelled by the rotation of the agitating paddle to assist in agitating toner.
    Type: Application
    Filed: April 25, 2001
    Publication date: November 29, 2001
    Inventors: Tsutomu Ashikari, Kazuo Joroku
  • Toner supplying cartridge for an image forming apparatus
    Patent number: D436986
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: January 30, 2001
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Kazuo Joroku, Toshihiko Watanabe
  • Developer feeder for an image forming apparatus
    Patent number: D399871
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: October 20, 1998
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Kazuo Joroku, Toshihiko Watanabe
  • Toner supplying cartridge for an image forming apparatus
    Patent number: D401619
    Type: Grant
    Filed: May 5, 1997
    Date of Patent: November 24, 1998
    Assignee: Mita Industrial Co., Ltd
    Inventors: Kazuo Joroku, Toshihiko Watanabe