Patents by Inventor Nobuo Oshima

Nobuo Oshima 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: 10001726
    Abstract: Provided is a developer container, including: a frame body having an opening; a sealing member configured to seal the opening; an unsealing member configured to unseal the opening by moving the sealing member and accommodated inside the frame body; and a part of the sealing member peelably bonded to an outer peripheral edge of the opening on an opposite side of the unsealing member with respect to the opening.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: June 19, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takayuki Kanazawa, Kazuhisa Shida, Yuta Isobe, Shunsuke Mizukoshi, Nobuo Oshima
  • Publication number: 20180116229
    Abstract: The inventions relate to an apparatus for aligning and positioning pieces of food dough with predetermined orientations and at predetermined intervals, and provide an aligning and positioning apparatus that can easily adjust positions of the pieces of food dough in a perpendicular direction to a moving direction of the pieces and that can process at high speed. An aligning and positioning apparatus of the inventions includes a holding unit having a plurality of holding mechanisms to hold a plurality of pieces of food dough carried by a first conveyor, a driving mechanism of the holding mechanisms, guide members to control the positions of the holding mechanisms in the perpendicular direction when the holding mechanisms are moved by the driving mechanism, and a positioning mechanism to adjust positions of the guide members in the perpendicular direction.
    Type: Application
    Filed: October 24, 2017
    Publication date: May 3, 2018
    Applicant: RHEON AUTOMATIC MACHINERY CO., LTD.
    Inventors: Taro FUKUGAMI, Katsumichi HIGUCHI, Nobuo OSHIMA
  • Patent number: 9897970
    Abstract: A developer container includes a frame, provided with an opening, for accommodating a developer; a sealing member, including a folded-back portion, for sealing the opening; and a sandwiching portion for sandwiching the folded-back portion of the sealing member. In a plane perpendicular to the opening, the sealing member is nonwelded in the sandwiching portion.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: February 20, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Nobuo Oshima, Takayuki Namiki, Masanori Tanaka, Yuta Isobe
  • Patent number: 9897941
    Abstract: With a first line segment being a line segment that joins an axis line of a developer carrier and an axis line of an image carrier, a second line segment being a line segment that joins a position, which is a position on the surface of the developer carrier at which the magnetic flux density of a magnetic pole is maximal, and the axis line of the developer carrier, and a third line segment being a line segment that joins a downstream end portion, in a rotation direction of the developer carrier, then among angles in the rotation direction of the developer carrier, a first angle formed by the first line segment and the second line segment is larger than 0° and equal to or smaller than a second angle formed by the first line segment and the third line segment.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: February 20, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Nobuo Oshima, Takayuki Namiki
  • Publication number: 20170219963
    Abstract: Provided is a developer container, including: a frame body having an opening; a sealing member configured to seal the opening; an unsealing member configured to unseal the opening by moving the sealing member and accommodated inside the frame body; and a part of the sealing member peelably bonded to an outer peripheral edge of the opening on an opposite side of the unsealing member with respect to the opening.
    Type: Application
    Filed: January 25, 2017
    Publication date: August 3, 2017
    Inventors: Takayuki Kanazawa, Kazuhisa Shida, Yuta Isobe, Shunsuke Mizukoshi, Nobuo Oshima
  • Patent number: 9678468
    Abstract: There is provided a cleaning apparatus including a cleaning member configured to collect developer on an image bearing member, and a storage chamber configured to store the developer, wherein cross-sectional areas of a lengthwise center and an end portion of the storage chamber in a lengthwise direction of the storage chamber are different, the cross sections being orthogonal to the lengthwise direction.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: June 13, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuta Isobe, Takayuki Namiki, Nobuo Oshima, Masanori Tanaka, Naoki Hayashi, Shigemi Kamoshida
  • Publication number: 20170090351
    Abstract: With a first line segment being a line segment that joins an axis line of a developer carrier and an axis line of an image carrier, a second line segment being a line segment that joins a position, which is a position on the surface of the developer carrier at which the magnetic flux density of a magnetic pole is maximal, and the axis line of the developer carrier, and a third line segment being a line segment that joins a downstream end portion, in a rotation direction of the developer carrier, then among angles in the rotation direction of the developer carrier, a first angle formed by the first line segment and the second line segment is larger than 0° and equal to or smaller than a second angle formed by the first line segment and the third line segment.
    Type: Application
    Filed: September 16, 2016
    Publication date: March 30, 2017
    Inventors: Nobuo Oshima, Takayuki Namiki
  • Publication number: 20160349669
    Abstract: A developer container includes a frame, provided with an opening, for accommodating a developer; a sealing member, including a folded-back portion, for sealing the opening; and a sandwiching portion for sandwiching the folded-back portion of the sealing member. In a plane perpendicular to the opening, the sealing member is nonwelded in the sandwiching portion.
    Type: Application
    Filed: May 25, 2016
    Publication date: December 1, 2016
    Inventors: Nobuo Oshima, Takayuki Namiki, Masanori Tanaka, Yuta Isobe
  • Patent number: 9408398
    Abstract: An apparatus for aligning and positioning a plurality of pieces of food dough having a triangular shape on a conveyor. The apparatus includes an upstream conveyor conveying the pieces of food dough having a triangular shape, a downstream conveyor faster than the upstream conveyor, a separating apparatus separating a plurality of the pieces of food dough set in a line in the perpendicular direction to the moving direction of the conveyor from the following row of the pieces and translocating them from the upstream conveyor to the downstream conveyor, a laying-out and rotating apparatus laying-out and rotating a plurality of the pieces set in a line so that they are positioned at predetermined intervals in the perpendicular direction to the moving direction of the conveyor and are rotated 90 degrees in a predetermined rotational direction, and a detecting device detecting the pieces.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: August 9, 2016
    Assignee: RHEON AUTOMATIC MACHINERY CO., LTD.
    Inventors: Hitoshi Kuwabara, Nobuo Oshima
  • Patent number: 9335697
    Abstract: An image forming apparatus includes a photosensitive drum life estimation mechanism which estimates wear amounts of a charge transfer layer in both of a toner bearing area and an end portion of a toner non-bearing area of a developing roller and informs a user that the photosensitive drum has reached the end of its life if, out of total wear amounts of the areas corresponding to predetermined life threshold values of the toner bearing and non-bearing areas, either of the total wear amounts reaches the threshold value.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: May 10, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Yoshida, Kohei Matsuda, Kuniaki Tamagaki, Koichiro Takashima, Nobuo Oshima, Masanori Tanaka, Takashi Mukai, Jun Miura
  • Publication number: 20160085201
    Abstract: There is provided a cleaning apparatus including a cleaning member configured to collect developer on an image bearing member, and a storage chamber configured to store the developer, wherein cross-sectional areas of a lengthwise center and an end portion of the storage chamber in a lengthwise direction of the storage chamber are different, the cross sections being orthogonal to the lengthwise direction.
    Type: Application
    Filed: September 17, 2015
    Publication date: March 24, 2016
    Inventors: Yuta Isobe, Takayuki Namiki, Nobuo Oshima, Masanori Tanaka, Naoki Hayashi, Shigemi Kamoshida
  • Publication number: 20150223474
    Abstract: An apparatus for aligning and positioning a plurality of pieces of food dough having a triangular shape on a conveyer. The apparatus includes an upstream conveyer conveying the pieces of food dough having a triangular shape, a downstream conveyer faster than the upstream conveyer, a separating apparatus separating a plurality of the pieces of food dough set in a line in the perpendicular direction to the moving direction of the conveyer from the following row of the pieces and translocating them from the upstream conveyer to the downstream conveyer, a laying-out and rotating apparatus laying-out and rotating a plurality of the pieces set in a line so that they are positioned at predetermined intervals in the perpendicular direction to the moving direction of the conveyer and are rotated 90 degrees in a predetermined rotational direction, and a detecting device detecting the pieces.
    Type: Application
    Filed: February 6, 2015
    Publication date: August 13, 2015
    Applicant: RHEON AUTOMATIC MACHINERY CO., LTD.
    Inventors: Hitoshi KUWABARA, Nobuo OSHIMA
  • Patent number: 9057973
    Abstract: A charging blade for charging a surface of an image bearing drum by contacting thereto includes a charging portion for effecting electric discharge to the surface of the drum; a non-charging portion not effecting the electric discharge to the surface of the drum, wherein the non-charging portion can contact the drum to provide a dischargeable gap between the charge portion and the drum, and at least a part the non-charging portion is made of a substance having a resistance higher than that of the charge portion to prevent no discharge occurs from the non-charging portion to the surface of the drum; and a support for the non-charging portion and the charge portion, wherein the non-charging portion and the charge portion are separation members and are not contacted to each other.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: June 16, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Nobuo Oshima, Takayuki Namiki
  • Patent number: 9052628
    Abstract: An image forming apparatus includes multiple image forming stations, and a controller for executing selectively a multi-color image mode or a monochromatic image forming mode, wherein in the monochromatic image forming mode, a first one of image forming stations which forms the image, and a second one which is upstream of the first image forming station exposes the image bearing members to a first image pattern and a second image pattern, respectively, and the controller determines the second image pattern in accordance with the first image pattern, and effects the exposure to the second image pattern.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: June 9, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Mukai, Masahiro Yoshida, Koichiro Takashima, Nobuo Oshima, Kohei Matsuda, Kuniaki Tamagaki, Jun Miura
  • Patent number: 9002225
    Abstract: An image forming apparatus capable of forming an image includes an image bearing member on which an electrostatic latent image is to be formed, a developer carrying member for carrying a developer to visualize the electrostatic latent image, and a developer feeding member, having a foam layer at its surface, for feeding the developer to the developer carrying member by being rotated in contact with the developer carrying member. In addition, a controller is capable of executing an operation in a first mode in which the developer feeding member is rotated for a first time and then the electrostatic latent image is visualized at a first speed by the developer carrying member and an operation in a second mode in which the developer feeding member is rotated for a second time longer than the first time and then the electrostatic latent image is visualized at a second speed slower than the first speed by the developer carrying member.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: April 7, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Nobuo Oshima, Masahiro Yoshida, Koichiro Takashima, Kohei Matsuda, Kuniaki Tamagaki, Takashi Mukai, Jun Miura
  • Patent number: 8891983
    Abstract: An image forming apparatus includes an image bearing member, a developer container, a first calculator, and a second calculator. The first calculator calculates an amount of the developer supplied to the image bearing member from the developer container, on the basis of an amount of the developer measured by a measuring device after an image forming operation, and an amount of the developer initially contained in the developer container. A controller outputs an information signal relating to the developer amount accumulated in the collection container on the basis of the amount of the developer calculated by the first calculator and the amount of the developer calculated by the second calculator.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: November 18, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kuniaki Tamagaki, Masahiro Yoshida, Koichiro Takashima, Nobuo Oshima, Kohei Matsuda, Takashi Mukai, Jun Miura
  • Patent number: 8714078
    Abstract: An apparatus for spacing and aligning triangular-like shaped pieces of food dough in one direction, which pieces are arranged so that they form a plurality of columns, wherein the directions of the pieces of the adjacent columns are alternately opposite each other, by rotating the pieces clockwise and counterclockwise at 90 degrees. The apparatus continues to alternately rotate the pieces 9 clockwise and counterclockwise at 90 degrees, which pieces 9 are cut and separated from a sheet 7 of food dough and are carried sequentially downstream from upstream by conveyors 3, 5, comprising pin-holding members 67 fixed to rotating rods 63, which rods 63 can move vertically and rotate clockwise and counterclockwise at 90 degrees, wherein the pieces 9 can be aligned so that one of the apexes of the triangular-like-shaped pieces 9 is oriented toward the upstream side of the direction for carrying the pieces 9.
    Type: Grant
    Filed: August 9, 2010
    Date of Patent: May 6, 2014
    Assignee: Rheon Automatic Machinery Co., Ltd.
    Inventors: Sadao Ueno, Hitoshi Kuwabara, Nobuo Oshima
  • Publication number: 20140016953
    Abstract: An image forming apparatus includes a photosensitive drum life estimation mechanism which estimates wear amounts of a charge transfer layer in both of a toner bearing area and an end portion of a toner non-bearing area of a developing roller and informs a user that the photosensitive drum has reached the end of its life if, out of total wear amounts of the areas corresponding to predetermined life threshold values of the toner bearing and non-bearing areas, either of the total wear amounts reaches the threshold value.
    Type: Application
    Filed: July 8, 2013
    Publication date: January 16, 2014
    Inventors: Masahiro Yoshida, Kohei Matsuda, Kuniaki Tamagaki, Koichiro Takashima, Nobuo Oshima, Masanori Tanaka, Takashi Mukai, Jun Miura
  • Publication number: 20130039671
    Abstract: An image forming apparatus includes an image bearing member, a developer container, a first calculator, and a second calculator, wherein the first calculator calculates an amount of the developer supplied to the image bearing member from the developer container, on the basis of an amount of the developer measured by a measuring device after an image forming operation, and an amount of the developer initially contained in the developer container, and wherein the controller outputs information signal relating to the developer amount accumulated in the collection container on the basis of the amount of the developer calculated by the first calculator and the amount of the developer calculated by the second calculator.
    Type: Application
    Filed: August 8, 2012
    Publication date: February 14, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kuniaki Tamagaki, Masahiro Yoshida, Koichiro Takashima, Nobuo Oshima, Kohei Matsuda, Takashi Mukai, Jun Miura
  • Publication number: 20130028641
    Abstract: An image forming apparatus includes multiple image forming stations, and a controller for executing selectively a multi-color image mode or a monochromatic image forming mode, wherein in the monochromatic image forming mode, a first one of image forming stations which forms the image, and a second one which is upstream of the first image forming station exposes the image bearing members to a first image pattern and a second image pattern, respectively, and the controller determines the second image pattern in accordance with the first image pattern, and effects the exposure to the second image pattern.
    Type: Application
    Filed: July 27, 2012
    Publication date: January 31, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takashi Mukai, Masahiro Yoshida, Koichiro Takashima, Nobuo Oshima, Kohei Matsuda, Kuniaki Tamagaki, Jun Miura