Patents by Inventor Tatsuro Harada

Tatsuro Harada 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: 10095180
    Abstract: Disclosed is a developing cartridge in which a developer bearing member moves when a pressed part is pressed by a press member provided in a main body of an apparatus to move a developing frame in a state in which the developing cartridge is attached to the main body of the apparatus. The pressed part is provided with a positioning part that contacts and positions the press member. The press member is urged toward the positioning part by an urging member. The developing frame has a guiding part that moves the press member against an urging force of the urging member when the developing cartridge is attached to the main body of the apparatus.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: October 9, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tatsuro Harada, Daisuke Makiguchi, Masato Tanabe, Hiroki Shimizu
  • Patent number: 10048622
    Abstract: A developer container includes a conveyance member having at least a first sheet member and a second sheet member and configured to convey the developer, a deformation portion provided to contact the first sheet member and configured to elastically deform the first sheet member, and a release portion configured to release elastic deformation of the first sheet member to cause the developer on the first sheet member to fly toward an opening, wherein a containing chamber includes a recessed portion as viewed in a lengthwise direction of the containing chamber and wherein the second sheet member is in contact with a wall inside the recessed portion when the developer on the first sheet member is positioned at the release portion.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: August 14, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsukasa Abe, Tatsuro Harada, Akihiro Fujiwara
  • Publication number: 20180210393
    Abstract: A developing device, detachably mountable to an image forming apparatus main body, includes a developing frame containing a developer, a developing roller performing developing using the developer, and a plurality of electric contact points disposed at one end in an axial direction of the developing roller, on a face that intersects the axial direction. The developing device is pivotably centered on a pivot axis parallel to the axial direction of the developing roller, and electrically conducts with the image forming apparatus main body via the plurality of electric contact points when mounted to the image forming apparatus main body. In a plane perpendicular to the axial direction of the developing roller, a position of the pivot axis is within a polygon having a greatest area formed of outer shapes of the plurality of electric contact points and straight lines connecting the outer shapes of the multiple electric contact points.
    Type: Application
    Filed: January 23, 2018
    Publication date: July 26, 2018
    Inventors: Daisuke Makiguchi, Tatsuro Harada, Hiroki Shimizu, Osamu Anan
  • Patent number: 9963639
    Abstract: A fixed carbon production device is provided with: a quench chamber for collecting fixed carbon; a dry distillation furnace which is erected and fixed in the quench chamber and into which raw material coal is fed; a dry distillation unit which is polygonal in horizontal cross-section and is partitioned by a separating wall which partitions the inside of the dry distillation furnace in the vertical direction; a dry distillation mini-furnace which is polygonal in horizontal cross-section and which is partitioned by a partition which partitions the inside of the dry distillation unit in the vertical direction; a pipe heating means which is arranged on the separating wall of the dry distillation unit and the partition of the dry distillation mini-furnace and which dry-distills the raw material coal; and a collection path for collecting fixed carbon collected in the quench chamber.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: May 8, 2018
    Assignee: KYUSHU ELECTRIC POWER CO., INC.
    Inventors: Tatsuro Harada, Seiichiro Matsuda, Isao Mochida, Jun-ichiro Hayashi, Yohsuke Matsushita, Tsuyoshi Yamamoto
  • Publication number: 20180039204
    Abstract: A developer container includes a conveyance member having at least a first sheet member and a second sheet member and configured to convey the developer, a deformation portion provided to contact the first sheet member and configured to elastically deform the first sheet member, and a release portion configured to release elastic deformation of the first sheet member to cause the developer on the first sheet member to fly toward an opening, wherein a containing chamber includes a recessed portion as viewed in a lengthwise direction of the containing chamber and wherein the second sheet member is in contact with a wall inside the recessed portion when the developer on the first sheet member is positioned at the release portion.
    Type: Application
    Filed: October 3, 2017
    Publication date: February 8, 2018
    Inventors: Tsukasa Abe, Tatsuro Harada, Akihiro Fujiwara
  • Patent number: 9811025
    Abstract: A developer container includes a conveyance member having at least a first sheet member and a second sheet member and configured to convey the developer, a deformation portion provided to contact the first sheet member and configured to elastically deform the first sheet member, and a release portion configured to release elastic deformation of the first sheet member to cause the developer on the first sheet member to fly toward an opening, wherein a containing chamber includes a recessed portion as viewed in a lengthwise direction of the containing chamber and wherein the second sheet member is in contact with a wall inside the recessed portion when the developer on the first sheet member is positioned at the release portion.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: November 7, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsukasa Abe, Tatsuro Harada, Akihiro Fujiwara
  • Publication number: 20170277071
    Abstract: A developing device includes a developing unit including a developer bearing member and a developing frame member configured to support the developer bearing member. The developing unit is supported to be pivotable about a first shaft and a second shaft. A biasing member configured to bias the first shaft is provided.
    Type: Application
    Filed: March 20, 2017
    Publication date: September 28, 2017
    Inventors: Tsukasa Abe, Masato Tanabe, Tatsuro Harada, Kazutaka Sueshige, Takashi Yano
  • Publication number: 20170261917
    Abstract: Disclosed is a developing cartridge in which a developer bearing member moves when a pressed part is pressed by a press member provided in a main body of an apparatus to move a developing frame in a state in which the developing cartridge is attached to the main body of the apparatus. The pressed part is provided with a positioning part that contacts and positions the press member. The press member is urged toward the positioning part by an urging member. The developing frame has a guiding part that moves the press member against an urging force of the urging member when the developing cartridge is attached to the main body of the apparatus.
    Type: Application
    Filed: February 24, 2017
    Publication date: September 14, 2017
    Inventors: Tatsuro Harada, Daisuke Makiguchi, Masato Tanabe, Hiroki Shimizu
  • Publication number: 20160252848
    Abstract: A developer container includes a conveyance member having at least a first sheet member and a second sheet member and configured to convey the developer, a deformation portion provided to contact the first sheet member and configured to elastically deform the first sheet member, and a release portion configured to release elastic deformation of the first sheet member to cause the developer on the first sheet member to fly toward an opening, wherein a containing chamber includes a recessed portion as viewed in a lengthwise direction of the containing chamber and wherein the second sheet member is in contact with a wall inside the recessed portion when the developer on the first sheet member is positioned at the release portion.
    Type: Application
    Filed: February 24, 2016
    Publication date: September 1, 2016
    Inventors: Tsukasa Abe, Tatsuro Harada, Akihiro Fujiwara
  • Patent number: 9334458
    Abstract: Most of the abundant naturally occurring low rank coal, which has a high moisture content and a high oxygen content, is transported with poor efficiency; utilized for heating with degraded thermal efficiency because of the loss of heat due to sensible heat for heating moisture and latent heat for vaporizing moisture; and utilized in existing coal combustion facilities with difficulty due to a high volatile component content.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: May 10, 2016
    Assignees: KYUSHU ELECTRIC POWER CO., INC., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Tatsuro Harada, Seiichiro Matsuda, Isao Mochida, Jun-ichiro Hayashi, Yohsuke Matsushita, Tsuyoshi Yamamoto, Toshiro Noguchi
  • Publication number: 20150247091
    Abstract: Provided is a fixed carbon production device excellent in operation stability and safety which has high strength and may have a compact device volume, which makes possible production of high-quality fixed carbon with high yields and in large amounts, which is capable of keeping the dry distillation temperature low, which has few restraints in the compositional material, which, having a low dry distillation temperature and low heat input amount, has excellent energy-saving efficiency, and which is capable of solving problems due to a tar component.
    Type: Application
    Filed: September 13, 2013
    Publication date: September 3, 2015
    Applicant: KYUSHU ELECTRIC POWER CO., INC.
    Inventors: Tatsuro Harada, Seiichiro Matsuda, Isao Mochida, Jun-ichiro Hayashi, Yohsuke Matsushita, Tsuyoshi Yamamoto
  • Publication number: 20150218971
    Abstract: Provided is a power generation system in which the combustion heat of hydrocarbon gas is used to heat the steam for power generation; at the same time, the exhaust heat thereof is used to dry and dry-distill low rank coal. Due to the use of a moving bed dry distillation furnace, it is possible to keep the product gas temperature reduced; further, fewer restrictions are imposed on materials such as those for gas pipes, etc., and it is possible to achieve excellent maintainability.
    Type: Application
    Filed: September 13, 2013
    Publication date: August 6, 2015
    Applicant: KYUSHU ELECTRIC POWER CO., INC.
    Inventors: Tatsuro Harada, Seiichiro Matsuda, Isao Mochida, Jun-ichiro Hayashi, Yohsuke Matsushita, Tsuyoshi Yamamoto
  • Publication number: 20140030155
    Abstract: Most of the abundant naturally occurring low rank coal, which has a high moisture content and a high oxygen content, is transported with poor efficiency; utilized for heating with degraded thermal efficiency because of the loss of heat due to sensible heat for heating moisture and latent heat for vaporizing moisture; and utilized in existing coal combustion facilities with difficulty due to a high volatile component content.
    Type: Application
    Filed: March 15, 2012
    Publication date: January 30, 2014
    Applicants: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, KYUSHU ELECTRIC POWER CO., INC.
    Inventors: Tatsuro Harada, Seiichiro Matsuda, Isao Mochida, Jun-Ichiro Hayashi, Yohsuke Matsushita, Tsuyoshi Yamamoto, Toshiro Noguchi
  • Patent number: 8615981
    Abstract: An integrated coal gasification combined cycle facility is provided that can prevent a reduction in power generation efficiency even when low-grade coal having a relatively-high moisture content is used. Included are: a gasification section that gasifies supplied coal; a gas power generation section that generates power by using gas supplied from the gasification section; a steam power generation section that generates power by using the heat of exhaust gas discharged from the gas power generation section; and a coal drying unit that dries the coal by using exhaust heat discharged from the steam power generation section and that supplies the dried coal to the gasification section.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: December 31, 2013
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Takashi Yamamoto, Katsuhiro Ota, Hiromi Ishii, Yoshinori Koyama, Kimishiro Tokuda, Isao Mochida, Tatsuro Harada
  • Publication number: 20100175364
    Abstract: An integrated coal gasification combined cycle facility is provided that can prevent a reduction in power generation efficiency even when low-grade coal having a relatively-high moisture content is used. Included are: a gasification section that gasifies supplied coal; a gas power generation section that generates power by using gas supplied from the gasification section; a steam power generation section that generates power by using the heat of exhaust gas discharged from the gas power generation section; and a coal drying unit that dries the coal by using exhaust heat discharged from the steam power generation section and that supplies the dried coal to the gasification section.
    Type: Application
    Filed: November 6, 2008
    Publication date: July 15, 2010
    Applicant: Mitsubishi Heavy Industries, Ltd.
    Inventors: Takashi Yamamoto, Katsuhiro Ota, Hiromi Ishii, Yoshinori Koyama, Kimishiro Tokuda, Isao Mochida, Tatsuro Harada