Patents by Inventor Ryuji Tanaami
Ryuji Tanaami 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).
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Publication number: 20230069503Abstract: The present invention provides an image forming apparatus including: a first moving member pressed and moved by an openable/closable member when the openable/closable member is opened, and switching a cartridge from a state where the cartridge is positioned in an image forming position to a state where the positioning is released; and a second moving member pressed and moved by the openable/closable member when the openable/closable member is opened, and moving the exposure member from an exposure position to a retracted position, wherein when the positioning of the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak, when the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak, and timing of the first peak is different from timing of the second peak.Type: ApplicationFiled: November 8, 2022Publication date: March 2, 2023Inventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Patent number: 11543759Abstract: The present invention provides an image forming apparatus including: a first moving member pressed and moved by an openable/closable member when the openable/closable member is opened, and switching a cartridge from a state where the cartridge is positioned in an image forming position to a state where the positioning is released; and a second moving member pressed and moved by the openable/closable member when the openable/closable member is opened, and moving the exposure member from an exposure position to a retracted position, wherein when the positioning of the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak, when the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak, and timing of the first peak is different from timing of the second peak.Type: GrantFiled: September 23, 2020Date of Patent: January 3, 2023Assignee: Canon Kabushiki KaishaInventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Publication number: 20210003937Abstract: The present invention provides an image forming apparatus including: a first moving member pressed and moved by an openable/closable member when the openable/closable member is opened, and switching a cartridge from a state where the cartridge is positioned in an image forming position to a state where the positioning is released; and a second moving member pressed and moved by the openable/closable member when the openable/closable member is opened, and moving the exposure member from an exposure position to a retracted position, wherein when the positioning of the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak, when the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak, and timing of the first peak is different from timing of the second peak.Type: ApplicationFiled: September 23, 2020Publication date: January 7, 2021Inventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Publication number: 20200389577Abstract: An image capturing apparatus that enables omnidirectional shooting and is compatible with shooting in various scenes is provided. An image capturing apparatus comprises: a housing 101 having a shape which can be mounted on a user; a plurality of image capturing units arranged in the housing 101 and that enables omnidirectional shooting; and a first illumination unit arranged in the housing and configured to emit a first light to at least a part of an imaging region.Type: ApplicationFiled: May 27, 2020Publication date: December 10, 2020Inventor: Ryuji Tanaami
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Patent number: 10824088Abstract: The present invention provides an image forming apparatus including: a first moving member pressed and moved by an openable/closable member when the openable/closable member is opened, and switching a cartridge from a state where the cartridge is positioned in an image forming position to a state where the positioning is released; and a second moving member pressed and moved by the openable/closable member when the openable/closable member is opened, and moving the exposure member from an exposure position to a retracted position, wherein when the positioning of the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak, when the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak, and timing of the first peak is different from timing of the second peak.Type: GrantFiled: March 6, 2019Date of Patent: November 3, 2020Assignee: Canon Kabushiki KaishaInventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Publication number: 20190204762Abstract: The present invention provides an image forming apparatus including: a first moving member pressed and moved by an openable/closable member when the openable/closable member is opened, and switching a cartridge from a state where the cartridge is positioned in an image forming position to a state where the positioning is released; and a second moving member pressed and moved by the openable/closable member when the openable/closable member is opened, and moving the exposure member from an exposure position to a retracted position, wherein when the positioning of the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak, when the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak, and timing of the first peak is different from timing of the second peak.Type: ApplicationFiled: March 6, 2019Publication date: July 4, 2019Inventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Patent number: 10274859Abstract: The present invention provides an image forming apparatus including: a first moving member pressed and moved by an openable/closable member when the openable/closable member is opened, and switching a cartridge from a state where the cartridge is positioned in an image forming position to a state where the positioning is released; and a second moving member pressed and moved by the openable/closable member when the openable/closable member is opened, and moving the exposure member from an exposure position to a retracted position, wherein when the positioning of the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak, when the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak, and timing of the first peak is different from timing of the second peak.Type: GrantFiled: November 13, 2017Date of Patent: April 30, 2019Assignee: Canon Kabushiki KaishaInventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Publication number: 20180081296Abstract: The present invention provides an image forming apparatus including: a first moving member pressed and moved by an openable/closable member when the openable/closable member is opened, and switching a cartridge from a state where the cartridge is positioned in an image forming position to a state where the positioning is released; and a second moving member pressed and moved by the openable/closable member when the openable/closable member is opened, and moving the exposure member from an exposure position to a retracted position, wherein when the positioning of the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak, when the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak, and timing of the first peak is different from timing of the second peak.Type: ApplicationFiled: November 13, 2017Publication date: March 22, 2018Inventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Patent number: 9846384Abstract: The present invention provides an image forming apparatus including: a first moving member pressed and moved by an openable/closable member when the openable/closable member is opened, and switching a cartridge from a state where the cartridge is positioned in an image forming position to a state where the positioning is released; and a second moving member pressed and moved by the openable/closable member when the openable/closable member is opened, and moving the exposure member from an exposure position to a retracted position, wherein when the positioning of the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak, when the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak, and timing of the first peak is different from timing of the second peak.Type: GrantFiled: June 30, 2016Date of Patent: December 19, 2017Assignee: Canon Kabushiki KaishaInventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Patent number: 9720345Abstract: The present invention provides an image forming apparatus including: a first moving member pressed and moved by an openable/closable member when the openable/closable member is opened, and switching a cartridge from a state where the cartridge is positioned in an image forming position to a state where the positioning is released; and a second moving member pressed and moved by the openable/closable member when the openable/closable member is opened, and moving the exposure member from an exposure position to a retracted position, wherein when the positioning of the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak, when the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak, and timing of the first peak is different from timing of the second peak.Type: GrantFiled: May 13, 2014Date of Patent: August 1, 2017Assignee: Canon Kabushiki KaishaInventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Publication number: 20160306289Abstract: The present invention provides an image forming apparatus including: a first moving member pressed and moved by an openable/closable member when the openable/closable member is opened, and switching a cartridge from a state where the cartridge is positioned in an image forming position to a state where the positioning is released; and a second moving member pressed and moved by the openable/closable member when the openable/closable member is opened, and moving the exposure member from an exposure position to a retracted position, wherein when the positioning of the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak, when the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak, and timing of the first peak is different from timing of the second peak.Type: ApplicationFiled: June 30, 2016Publication date: October 20, 2016Inventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Patent number: 9462946Abstract: As an ophthalmologic apparatus for reducing time required for driving an inspection unit during alignment of an eye to be inspected with the inspection unit, and at the same time, improving stopping accuracy of the inspection unit, the apparatus includes an eye inspection unit configured to inspect the eye to be inspected of a subject, a first drive unit configured to drive the eye inspection unit in a predetermined direction, a second drive unit arranged to be able to move the eye inspection unit in the predetermined direction, and a switching unit configured to switch drive between the first drive unit and the second drive unit.Type: GrantFiled: March 9, 2015Date of Patent: October 11, 2016Assignee: Canon Kabushiki KaishaInventor: Ryuji Tanaami
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Patent number: 9423766Abstract: The present invention provides an image forming apparatus including: a first moving member pressed and moved by an openable/closable member when the openable/closable member is opened, and switching a cartridge from a state where the cartridge is positioned in an image forming position to a state where the positioning is released; and a second moving member pressed and moved by the openable/closable member when the openable/closable member is opened, and moving the exposure member from an exposure position to a retracted position, wherein when the positioning of the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak, when the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak, and timing of the first peak is different from timing of the second peak.Type: GrantFiled: May 13, 2014Date of Patent: August 23, 2016Assignee: Canon Kabushiki KaishaInventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Publication number: 20160238987Abstract: The present invention provides an image forming apparatus including: a first moving member pressed and moved by an openable/closable member when the openable/closable member is opened, and switching a cartridge from a state where the cartridge is positioned in an image forming position to a state where the positioning is released; and a second moving member pressed and moved by the openable/closable member when the openable/closable member is opened, and moving the exposure member from an exposure position to a retracted position, wherein when the positioning of the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak, when the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak, and timing of the first peak is different from timing of the second peak.Type: ApplicationFiled: May 13, 2014Publication date: August 18, 2016Applicant: CANON KABUSHIKI KAISHAInventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Patent number: 9268302Abstract: A color electrophotographic image forming apparatus includes a plurality of electrophotographic photosensitive drums configured to develop images, an intermediary transfer member onto which developed images are transferred, and an image forming unit having a plurality of cartridge mounting portions for demountably mounting cartridges. The image forming unit is movable between a transfer position for transferring, onto the recording material, the developed images transferred onto the intermediary transfer member, and a mounting and demounting position for mounting and demounting the cartridges relative to the cartridge mounting portions. An opening permits mounting and demounting of the cartridges relative to the cartridge mounting portions of the image forming unit placed in the mounting and demounting position, and a locking member releasably locks the image forming unit which is moved to the mounting and demounting position.Type: GrantFiled: December 28, 2009Date of Patent: February 23, 2016Assignee: CANON KABUSHIKI KAISHAInventors: Ryuji Tanaami, Masatoshi Yamashita
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Publication number: 20150331386Abstract: The present invention provides an image forming apparatus including: a first moving member pressed and moved by an openable/closable member when the openable/closable member is opened, and switching a cartridge from a state where the cartridge is positioned in an image forming position to a state where the positioning is released; and a second moving member pressed and moved by the openable/closable member when the openable/closable member is opened, and moving the exposure member from an exposure position to a retracted position, wherein when the positioning of the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak, when the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak, and timing of the first peak is different from timing of the second peak.Type: ApplicationFiled: May 13, 2014Publication date: November 19, 2015Applicant: CANON KABUSHIKI KAISHAInventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Publication number: 20150265149Abstract: As an ophthalmologic apparatus for reducing time required for driving an inspection unit during alignment of an eye to be inspected with the inspection unit, and at the same time, improving stopping accuracy of the inspection unit, the apparatus includes an eye inspection unit configured to inspect the eye to be inspected of a subject, a first drive unit configured to drive the eye inspection unit in a predetermined direction, a second drive unit arranged to be able to move the eye inspection unit in the predetermined direction, and a switching unit configured to switch drive between the first drive unit and the second drive unit.Type: ApplicationFiled: March 9, 2015Publication date: September 24, 2015Inventor: Ryuji TANAAMI
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Patent number: 8768202Abstract: An image forming apparatus includes a first moving member pressed and moved by an openable/closable member when the member is opened. A cartridge is switched from being positioned in an image forming position to a state where the positioning is released. A second moving member is pressed and moved by the openable/closable member when the member is opened, and the exposure member is moved from an exposure position to a retracted position. When the cartridge is released, a reaction force applied from the first moving member to the openable/closable member reaches a first peak. When the exposure member is moved to the retracted position, a reaction force applied from the second moving member to the openable/closable member reaches a second peak. Timing of the first peak is different from timing of the second peak.Type: GrantFiled: May 25, 2011Date of Patent: July 1, 2014Assignee: Canon Kabushiki KaishaInventors: Ryuji Tanaami, Keita Nakajima, Koji Miwa, Yuji Mitsui
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Publication number: 20130293847Abstract: An ophthalmologic apparatus includes an ophthalmologic examination unit configured to examine a subject's eye, a movable unit at which the ophthalmologic examination unit is movably disposed, a driving force generation unit configured to generate a driving force to drive the movable unit, and a driving force transmission unit configured to reduce the driving force transmitted to the movable unit in a case where an external force is applied to the movable unit.Type: ApplicationFiled: April 30, 2013Publication date: November 7, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Ryuji Tanaami
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Publication number: 20110305480Abstract: A color electrophotographic image forming apparatus for forming a color image on a sheet includes cartridge mounting portions for mounting cartridges; an intermediary transfer member onto which developed images formed electrophotographic photosensitive drums are transferred, the transfer member being opposed to the drums; an image forming unit comprising the cartridge mounting portions and the transfer member, the unit being movable between a transfer position for transferring, onto the sheet, the developed images transferred onto the transfer member from the drums, and a mounting and demounting position for mounting and demounting the cartridges relative to the cartridge mounting portions; an opening for permitting mounting and demounting of the cartridges relative to the cartridge mounting portions of the unit placed in the mounting and demounting position; an openable member capable of opening and closing the opening, the openable member being movable between a closing position for closing the opening andType: ApplicationFiled: December 28, 2009Publication date: December 15, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Ryuji Tanaami, Masatoshi Yamashita