Patents by Inventor Nobuo Nakajima

Nobuo Nakajima 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: 20080260422
    Abstract: A developer supply container detachably mountable to a main assembly of an image forming apparatus includes a developer containing portion for containing a developer; a developer discharge opening disposed at the developer containing portion; a container-side engaging portion for fixing the developer containing portion by being engaged with a main assembly-side engaging portion provided in the main assembly in the mounted state of the container; an operation member capable of performing a moving operation in the mounted state of the container; and a transmitting portion, provided in the operation member, for transmitting a driving force for opening and closing the developer discharge opening to a relay portion provided in the main assembly. In the mounted state of the container, the operation member is capable of opening and closing a main assembly shutter member, provided in the main assembly, for opening and closing the developer discharge opening through the relay portion.
    Type: Application
    Filed: November 10, 2005
    Publication date: October 23, 2008
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kazuyoshi Sasae, Nobuo Nakajima, Fumio Tazawa
  • Patent number: 7426363
    Abstract: A developer supply container detachably mountable to a developer receiving device having a receiving opening for receiving a developer, an apparatus shutter for opening and closing the receiving opening, the developer supply container including a container body for containing the developer, the container body including a discharge opening for discharging the developer; a container shutter for opening and closing the discharge opening by a rotational movement of the container body with the container shutter being prevented from moving by the developer receiving device; an interrelating portion for interrelating the rotational movement of the apparatus shutter with the container body such that apparatus shutter starts moving when a neighborhood of a leading, with respect to a moving direction thereof, end of the discharge opening exposed by the container shutter, is substantially aligned with a neighborhood of a trailing edge of the apparatus shutter.
    Type: Grant
    Filed: August 3, 2007
    Date of Patent: September 16, 2008
    Assignee: Canon Kabushiki Kaisha
    Inventors: Katsuya Murakami, Toshiaki Nagashima, Nobuo Nakajima
  • Publication number: 20080213004
    Abstract: A developer supply container detachably mountable to a main assembly of an image forming apparatus includes a developer discharge opening to be disposed opposite to a developer receiving opening of the apparatus main assembly; an operation member capable of performing a moving operation in a mounted state of the container; an open/close driving force transmitting portion provided to the operation member; a driving force transmitting portion for transmitting a driving force, to a apparatus shutter member, from the open/close driving force transmitting portion through an open/close driving force relay gear train provided to the apparatus main assembly; and a container-side abutting portion for abutting against a gear-side abutting portion provided to at least one gear of the relay gear train. When the developer supply container is mounted into the apparatus main assembly, the container-side abutting portion abuts against the gear-side abutting portion to rotate the relay gear train toward an initial position.
    Type: Application
    Filed: March 19, 2008
    Publication date: September 4, 2008
    Applicant: Canon Kabushiki Kaisha
    Inventors: Kazuyoshi Sasae, Nobuo Nakajima, Fumio Tazawa
  • Patent number: 7412192
    Abstract: If a user is not familiar with the operation for a developer supply container, the rotating operation for the developer supply container may be insufficient, so that developer supply container does not reach a predetermined operating position, with the result of abnormal developer supply. By increasing a rotation load of a second gear which is in an operable connection with a drive gear member of the developer receiving apparatus by a function of a locking member, the developer supply container mounted to the developer receiving apparatus is rotated toward the supply position. After the developer supply container rotates to the supply position, the locking by the locking member is released, by which the rotation load applied to the second gear is reduced, so that drive transmission, thereafter, to the feeding member for developer supply is smooth.
    Type: Grant
    Filed: May 18, 2007
    Date of Patent: August 12, 2008
    Assignee: Canon Kabushiki Kaisha
    Inventors: Nobuo Nakajima, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Yutaka Ban
  • Patent number: 7369798
    Abstract: A developer supply container detachably mountable to a main assembly of an image forming apparatus includes a developer discharge opening to be disposed opposite to a developer receiving opening of the apparatus main assembly; an operation member capable of performing a moving operation in a mounted state of the container; an open/close driving force transmitting portion provided to the operation member; a driving force transmitting portion for transmitting a driving force, to a apparatus shutter member, from the open/close driving force transmitting portion through an open/close driving force relay gear train provided to the apparatus main assembly; and a container-side abutting portion for abutting against a gear-side abutting portion provided to at least one gear of the relay gear train. When the developer supply container is mounted into the apparatus main assembly, the container-side abutting portion abuts against the gear-side abutting portion to rotate the relay gear train toward an initial position.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: May 6, 2008
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuyoshi Sasae, Nobuo Nakajima, Fumio Tazawa
  • Publication number: 20080013988
    Abstract: A developer supply container detachably mountable to a developer receiving device having a receiving opening for receiving a developer, an apparatus shutter for opening and closing the receiving opening, the developer supply container including a container body for containing the developer, the container body including a discharge opening for discharging the developer; a container shutter for opening and closing the discharge opening by a rotational movement of the container body with the container shutter being prevented from moving by the developer receiving device; an interrelating portion for interrelating the rotational movement of the apparatus shutter with the container body such that apparatus shutter starts moving when a neighborhood of a leading, with respect to a moving direction thereof, end of the discharge opening exposed by the container shutter, is substantially aligned with a neighborhood of a trailing edge of the apparatus shutter.
    Type: Application
    Filed: August 3, 2007
    Publication date: January 17, 2008
    Applicant: Canon Kabushiki Kaisha
    Inventors: KATSUYA MURAKAMI, Toshiaki Nagashima, Nobuo Nakajima
  • Publication number: 20070280743
    Abstract: If a user is not familiar with the operation for the developer supply container, the rotating operation for the developer supply container may be insufficient, so that developer supply container does not reach a predetermined operating position, with the result of abnormal developer supply. by increasing a rotation load of a second gear 6 which is in an operable connection with a drive gear member 12 of the developer receiving apparatus 10 by a function of a locking member 7, the developer supply container 1 mounted to the developer receiving apparatus 10 is rotated toward the supply position. After the developer supply container 1 rotates to the supply position, the locking by the locking member 7 is released, by which the rotation load applied to the second gear 6 is reduced, so that drive transmission, thereafter, to the feeding member 4 for developer supply is smooth.
    Type: Application
    Filed: May 18, 2007
    Publication date: December 6, 2007
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Nobuo NAKAJIMA, Ayatomo OKINO, Katsuya MURAKAMI, Toshiaki NAGASHIMA, Yutaka BAN
  • Patent number: 7266330
    Abstract: A developer supply container detachably mountable to a developer receiving device having a receiving opening for receiving a developer, an apparatus shutter for opening and closing the receiving opening, the developer supply container including a container body for containing the developer, the container body including a discharge opening for discharging the developer; a container shutter for opening and closing the discharge opening by a rotational movement of the container body with the container shutter being prevented from moving by the developer receiving device; an interrelating portion for interrelating the rotational movement of the apparatus shutter with the container body such that apparatus shutter starts moving when a neighborhood of a leading, with respect to a moving direction thereof, end of the discharge opening exposed by the container shutter, is substantially aligned with a neighborhood of a trailing edge of the apparatus shutter.
    Type: Grant
    Filed: November 16, 2004
    Date of Patent: September 4, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventors: Katsuya Murakami, Toshiaki Nagashima, Nobuo Nakajima
  • Patent number: 7242893
    Abstract: A developer supply container detachably mountable to developer receiving apparatus, includes container body accommodating a developer, the container body being provided with a developer supply port for supplying the developer through a developer receiving port provided in the developer receiving apparatus; a driving connecting member for operatively connecting to a driving member provided in the developer receiving apparatus, the driving connecting member being movable relative to the container body; and an interrelating mechanism for interrelating movement of the driving connecting member with movement of the developer supply port to face the developer receiving port.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: July 10, 2007
    Assignee: Canon Kabiushiki Kaisha
    Inventors: Katsuya Murakami, Yutaka Ban, Nobuo Nakajima
  • Publication number: 20060104673
    Abstract: A developer supply container detachably mountable to a main assembly of an image forming apparatus includes a developer discharge opening to be disposed opposite to a developer receiving opening of the apparatus main assembly; an operation member capable of performing a moving operation in a mounted state of the container; an open/close driving force transmitting portion provided to the operation member; a driving force transmitting portion for transmitting a driving force, to a apparatus shutter member, from the open/close driving force transmitting portion through an open/close driving force relay gear train provided to the apparatus main assembly; and a container-side abutting portion for abutting against a gear-side abutting portion provided to at least one gear of the relay gear train. When the developer supply container is mounted into the apparatus main assembly, the container-side abutting portion abuts against the gear-side abutting portion to rotate the relay gear train toward an initial position.
    Type: Application
    Filed: November 10, 2005
    Publication date: May 18, 2006
    Applicant: Canon Kabushiki Kaisha
    Inventors: Kazuyoshi Sasae, Nobuo Nakajima, Fumio Tazawa
  • Publication number: 20060104671
    Abstract: A developer supply container is detachably mountable to a developer receiving apparatus having a receiving opening for receiving a developer and a shutter for opening and closing the receiving opening, the developer supply container includes an engaging portion which is engageable with the shutter and movable to open and close the shutter by movement of the developer supply container; and a cleaning member for cleaning the shutter when the developer supply container is moved relative to the shutter between a removal position permitting removal of the developer supply container from the developer receiving apparatus and a supply position at which the developer is supplied from the developer supply container to the developer receiving apparatus.
    Type: Application
    Filed: November 1, 2005
    Publication date: May 18, 2006
    Applicant: Canon Kabushiki Kaisha
    Inventors: Katsuya Murakami, Nobuo Nakajima
  • Patent number: 6978107
    Abstract: A developer supply container detachably mountable to a developer receiving device, includes a main body for accommodating a developer; a grip member for gripping the developer supply container; an engaging member for engagement with the grip member with said grip member being elastically deformed; and a regulating portion for regulating an elastic deformation of the grip member with the engaging member being mounted on the main body.
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: December 20, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshiaki Nagashima, Nobuo Nakajima, Kazuyoshi Sasae
  • Patent number: 6969846
    Abstract: The present invention has as its object to provide a light source unit in which the relative portion of a detecting device and a condensing device is accurately determined, whereby the detecting device can reliably detect a laser beam, and a scanning optical apparatus using the same, and for this purpose, the present invention provides a scanning optical apparatus having a light source, a holding member for holding the light source, a deflecting device for deflecting light emitted from the light source, a detecting device for detecting the light deflected by the deflecting device, and a condensing lens for condensing the light incident on the detecting device, wherein the holding member positions the detecting device, and holds the condensing lens.
    Type: Grant
    Filed: February 26, 2003
    Date of Patent: November 29, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshihiko Tanaka, Nobuo Nakajima, Yasutaka Naruge, Koji Furusawa
  • Publication number: 20050135842
    Abstract: A developer supply container detachably mountable to developer receiving apparatus, includes container body accommodating a developer, the container body being provided with a developer supply port for supplying the developer through a developer receiving port provided in the developer receiving apparatus; a driving connecting member for operatively collectable with a driving member provided in the developer receiving apparatus, the driving connecting member being movable relative to the container body; an interrelating mechanism for interrelating an operation of movement of the driving connecting member to operatively couple with the driving member with an operation of movement of the developer supply port to face the developer receiving port.
    Type: Application
    Filed: December 7, 2004
    Publication date: June 23, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Katsuya Murakami, Yutaka Ban, Nobuo Nakajima
  • Publication number: 20050135841
    Abstract: A developer supply container detachably mountable to a developer receiving device having a receiving opening for receiving a developer, an apparatus shutter for opening and closing the receiving opening, the developer supply container including a container body for containing the developer, the container body including a discharge opening for discharging the developer; a container shutter for opening and closing the discharge opening by a rotational movement of the container body with the container shutter being prevented from moving by the developer receiving device; an interrelating portion for interrelating the rotational movement of the apparatus shutter with the container body such that apparatus shutter starts moving when a neighborhood of a leading, with respect to a moving direction thereof, end of the discharge opening exposed by the container shutter, is substantially aligned with a neighborhood of a trailing edge of the apparatus shutter.
    Type: Application
    Filed: November 16, 2004
    Publication date: June 23, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Katsuya Murakami, Toshiaki Nagashima, Nobuo Nakajima
  • Publication number: 20050008400
    Abstract: A developer supply container detachably mountable to an image forming apparatus, includes a container body, having a non-circular cross-section, for containing a developer, the container body having an arcuate portion and an extension upwardly extending from the arcuate portion; a discharge opening, formed in the arcuate portion for discharging the developer from the container body; a stirring member for in stirring the developer in the container body, the stirring member having a rotation shaft provided in the arcuate portion and a flexible resin material sheet mounted on the rotation shaft; wherein the flexible resin material sheet includes a feeding blade for feeding the developer toward the discharge opening, the feeding blade being slidable relative to an inner surface of the arcuate portion and being non-slidable relative to a ceiling portion of an inner surface of the extension, and includes a stirring blade for stirring the developer, the stirring being slidable relative to a ceiling portion of the in
    Type: Application
    Filed: June 3, 2004
    Publication date: January 13, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Fumio Tazawa, Toshiaki Nagashima, Nobuo Nakajima
  • Patent number: 6711410
    Abstract: A broadcast communication method for a plurality of mobile stations belonging to a group in a mobile communication system is provided, in which a base station network in the mobile communication system sends information on broadcast communication to the plurality of mobile stations at a predetermined time, and a mobile station in the plurality of mobile stations which does not receive the information or broadcast information of the broadcast communication inquires of the base station network about the broadcast communication.
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: March 23, 2004
    Assignee: NTT DoCoMo, Inc.
    Inventor: Nobuo Nakajima
  • Publication number: 20040047657
    Abstract: A developer supply container detachably mountable to a developer receiving device, includes a main body for accommodating a developer; a grip member for gripping the developer supply container; an engaging member for engagement with the grip member with said grip member being elastically deformed; and a regulating portion for regulating an elastic deformation of the grip member with the engaging member being mounted on the main body.
    Type: Application
    Filed: June 16, 2003
    Publication date: March 11, 2004
    Applicant: Canon Kabushiki Kaisha
    Inventors: Toshiaki Nagashima, Nobuo Nakajima, Kazuyoshi Sasae
  • Patent number: D529947
    Type: Grant
    Filed: May 2, 2005
    Date of Patent: October 10, 2006
    Assignee: Canon Kabushiki Kaisha
    Inventors: Nobuo Nakajima, Hiroaki Ohashi, Kazuyoshi Sasae
  • Patent number: D538333
    Type: Grant
    Filed: May 2, 2005
    Date of Patent: March 13, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventors: Nobuo Nakajima, Hiroaki Ohashi, Kazuyoshi Sasae