Patents by Inventor Satoshi Tsuda
Satoshi Tsuda 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: 20160195027Abstract: Provided is an internal combustion engine including a sparkplug disposed in the vicinity of the center portion of an upper wall surface of a combustion chamber. Tumble flow generated during lean burn operation is controlled such that the tumble flow shape changes according to the engine rotation speed between a first tumble shape (usual tumble shape) in which the flow direction of a gas around the sparkplug at the time of ignition is direction from an intake valve side toward an exhaust valve side in a latter half of a compression stroke, and a second tumble shape (? tumble shape) in which the flow direction of the gas is reversed in the latter half of the compression stroke from the direction from the intake valve side toward the exhaust valve side to the direction from the exhaust valve side toward the intake valve side.Type: ApplicationFiled: August 29, 2014Publication date: July 7, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Sachio MORI, Koshiro KIMURA, Satoshi TSUDA
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Patent number: 9291941Abstract: A developer conveyance apparatus includes a developer storage portion configured to store developer, a developer conveyance portion arranged inside the developer storage portion and configured to convey the developer through rotation, a drive input portion configured to input a drive force to the developer conveyance portion, and a clutch arranged inside the developer storage portion and configured to transmit the drive force from the drive input portion to the developer conveyance portion, wherein the clutch is arranged inside the developer storage portion and includes at least one clutch side conveyance portion which, when receiving the drive force from the drive input portion, conveys the developer in a developer conveyance direction in which the developer conveyance portion conveys the developer.Type: GrantFiled: July 15, 2014Date of Patent: March 22, 2016Assignee: Canon Kabushiki KaishaInventors: Satoshi Tsuda, Takahito Ueno
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Publication number: 20160026141Abstract: A roller member includes an endless belt elastically deformable and configured to convey a sheet and a holding unit holding the endless belt. The holding unit includes a first holding portion being in contact with an inner circumferential surface of the endless belt, a second holding portion being in contact with an outer circumferential surface of the endless belt and movable with respect to the first holding portion, and an engage portion engaging with an engaged portion. The second holding portion is moved with respect to the first holding portion by resilient force of the endless belt in a state in which the second holding portion is in contact with the outer circumferential surface of the endless belt in response to a disengagement of the engage portion from the engaged portion.Type: ApplicationFiled: July 20, 2015Publication date: January 28, 2016Inventors: Motoyasu Muramatsu, Satoshi Tsuda
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Patent number: 9242497Abstract: An inkjet recording medium, comprising an ink-receiving layer containing a pigment, a binder and an inkjet ink-fixing agent comprising a cationic compound disposed on at least one surface of a base paper, wherein 50% or more by weight of calcium carbonate is contained in terms of a solid content based on a total amount of the pigment contained in the ink-receiving layer; 75 to 90 parts by weight of the pigment, 1 to 10 parts by weight of the binder and 5 to 20 parts by weight of the inkjet ink-fixing agent are contained based on 100 parts by weight of the ink-receiving layer; the drop water absorbency of the ink-receiving layer (according to the drop water absorbency defined in Japan Technical Association of the Pulp and Paper Industry, J. TAPPI, No. 32-2:2000 except that a drop water amount is 0.001 ml) is 200 seconds or less; and a Stockigt sizing degree according to JIS-P-8122 for the inkjet recording medium is 5 seconds or less.Type: GrantFiled: July 29, 2013Date of Patent: January 26, 2016Assignee: Nippon Paper Industries Co., Ltd.Inventors: Misaki Watanabe, Akinobu Chatani, Satoshi Tsuda, Tadashi Yoshida, Takanori Otsuhata, Koji Kutsuwa
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Patent number: 9195166Abstract: In order to achieve an improvement in terms of workability when mounting a developer agitation member and a drive transmission member to a container portion storing developer, there is provided a method of mounting a developer storage container in which, when mounting a developer agitation member to a developer storage portion, a drive transmission member is inserted for connection from an end portion of the developer agitation member, the developer agitation member exhibits a first phase and a second phase. The first phase allows connection of the developer agitation member and the drive transmission member in the insertion path of the drive transmission member, whereas the second phase does not allow connection of the developer agitation member and the drive transmission member in the insertion path of a support member.Type: GrantFiled: July 16, 2013Date of Patent: November 24, 2015Assignee: Canon Kabushiki KaishaInventors: Satoshi Tsuda, Takahito Ueno
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Patent number: 9176418Abstract: A developer conveyance apparatus for an image forming apparatus includes a developer storage portion, a developer conveyance portion arranged inside the developer storage portion and, a drive input portion configured to input a drive force to the developer conveyance portion, and a clutch arranged inside the developer storage portion and configured to transmit the drive force from the drive input portion to the developer conveyance portion, the clutch stopping or decelerating a rotation of the developer conveyance portion when a requisite torque for rotating the developer conveyance portion exceeds a predetermined magnitude, wherein the clutch is arranged inside the developer storage portion and includes at least one clutch side conveyance portion which, when receiving the drive force from the drive input portion, conveys the developer in a developer conveyance direction in which the developer conveyance portion conveys the developer.Type: GrantFiled: September 12, 2012Date of Patent: November 3, 2015Assignee: Canon Kabushiki KaishaInventors: Satoshi Tsuda, Takahito Ueno
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Publication number: 20150298479Abstract: An inkjet recording medium, comprising an ink-receiving layer containing a pigment, a binder and an inkjet ink-fixing agent comprising a cationic compound disposed on at least one surface of a base paper, wherein 50% or more by weight of calcium carbonate is contained in terms of a solid content based on a total amount of the pigment contained in the ink-receiving layer; 75 to 90 parts by weight of the pigment, 1 to 10 parts by weight of the binder and 5 to 20 parts by weight of the inkjet ink-fixing agent are contained based on 100 parts by weight of the ink-receiving layer; the drop water absorbency of the ink-receiving layer (according to the drop water absorbency defined in Japan Technical Association of the Pulp and Paper Industry, J. TAPPI, No. 32-2:2000 except that a drop water amount is 0.001 ml) is 200 seconds or less; and a Stockigt sizing degree according to WS-P-8122 for the inkjet recording medium is 5 seconds or less.Type: ApplicationFiled: July 29, 2013Publication date: October 22, 2015Inventors: Misaki Watanabe, Akinobu Chatani, Satoshi Tsuda, Tadashi Yoshida, Takanori Otsuhata, Koji Kutsuwa
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Patent number: 9132466Abstract: Disclosed is a roller hemming device, which is capable of excellent hemming even when a subject to be hemmed is located in a relatively narrow place, and reducing maintenance frequency. Specifically disclosed is a roller hemming device, which includes a preliminary bending roller for performing preliminary bending of a work, a final bending roller for performing final bending of the work, and an arm for setting attitudes of the preliminary bending roller and the final bending roller at desired positions and angles. The preliminary bending roller has an axis inclined with respect to a horizontal direction and is arranged at such a position not to come in contact with the work during the final bending.Type: GrantFiled: November 22, 2010Date of Patent: September 15, 2015Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Satoshi Tsuda
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Patent number: 9095887Abstract: A compact roller hemming device which can perform a hemming process with respect to various works. The roller hemming device for hemming a work includes rotary shafts rotating on axes thereof, and first lower dies and second lower dies on which the corresponding work is placed. The first lower dies and the second lower dies are arranged on outer circumferential parts of the rotary shafts at predetermined intervals. The rotary shafts rotate so that one each of the first lower dies and the second lower dies is selected depending on a type of the work to be hemmed.Type: GrantFiled: November 29, 2010Date of Patent: August 4, 2015Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Satoshi Tsuda, Tomonari Yasuda
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Patent number: 9003853Abstract: Disclosed is a roller hemming device capable of maintaining performance to hem a work at low cost. Specifically disclosed is a roller hemming device for performing preliminary bending to a work placed on a bottom die along a guide surface formed on the bottom die, which includes a roller for hemming the work, and a guide member protruding radially outward from the outer circumferential surface of the roller. The guide member is in contact with the guide surface of the bottom die during the preliminary bending.Type: GrantFiled: January 7, 2011Date of Patent: April 14, 2015Assignee: Toyota Jidosha Kabushiki KaishaInventor: Satoshi Tsuda
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Publication number: 20140328607Abstract: A developer conveyance apparatus for an image forming apparatus includes a developer storage portion configured to store developer, a developer conveyance portion arranged inside the developer storage portion and configured to convey the developer through rotation, a drive input portion configured to input a drive force to the developer conveyance portion, and a clutch arranged inside the developer storage portion and configured to transmit the drive force from the drive input portion to the developer conveyance portion, the clutch stopping or decelerating a rotation of the developer conveyance portion when a requisite torque for rotating the developer conveyance portion exceeds a predetermined magnitude, wherein the clutch is arranged inside the developer storage portion and includes at least one clutch side conveyance portion which, when receiving the drive force from the drive input portion, conveys the developer in a developer conveyance direction in which the developer conveyance portion conveys the deveType: ApplicationFiled: July 15, 2014Publication date: November 6, 2014Inventors: Satoshi Tsuda, Takahito Ueno
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Patent number: 8641036Abstract: A sheet feeding apparatus includes a sheet accommodating unit which is detachably attached to an apparatus main body and configured to accommodate sheets, a sheet stacking unit which is provided in the sheet accommodating unit and can move while supporting the sheet, a sheet feeding unit configured to feed the sheet stacked on the sheet stacking unit, and a lift unit configured to move the sheet stacking unit toward the sheet feeding unit, wherein, before feeding of the sheet stacked on the sheet stacking unit by the sheet feeding unit, the lift unit increases and then reduces press contact force between the sheet stacked on the sheet stacking unit and the sheet feeding unit.Type: GrantFiled: September 12, 2012Date of Patent: February 4, 2014Assignee: Canon Kabushiki KaishaInventors: Kazushi Nishikata, Shinichi Ueda, Satoshi Tsuda
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Publication number: 20140023402Abstract: In order to achieve an improvement in terms of workability when mounting a developer agitation member and a drive transmission member to a container portion storing developer, there is provided a method of mounting a developer storage container in which, when mounting a developer agitation member to a developer storage portion, a drive transmission member is inserted for connection from an end portion of the developer agitation member, the developer agitation member exhibits a first phase and a second phase. The first phase allows connection of the developer agitation member and the drive transmission member in the insertion path of the drive transmission member, whereas the second phase does not allow connection of the developer agitation member and the drive transmission member in the insertion path of a support member.Type: ApplicationFiled: July 16, 2013Publication date: January 23, 2014Inventors: Satoshi Tsuda, Takahito Ueno
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Publication number: 20130276500Abstract: Disclosed is a roller hemming device capable of maintaining performance to hem a work at low cost. Specifically disclosed is a roller hemming device for performing preliminary bending to a work placed on a bottom die along a guide surface formed on the bottom die, which includes a roller for hemming the work, and a guide member protruding radially outward from the outer circumferential surface of the roller. The guide member is in contact with the guide surface of the bottom die during the preliminary bending.Type: ApplicationFiled: January 7, 2011Publication date: October 24, 2013Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Satoshi Tsuda
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Publication number: 20130247366Abstract: Disclosed is a compact roller hemming device capable of performing a hemming process with respect to various works. Specifically disclosed is a roller hemming device for hemming a work, which includes rotary shafts rotating on axes thereof, and lower dies and lower dies on which the corresponding work is placed. The lower dies and the lower dies are arranged on outer circumferential parts of the rotary shafts at predetermined intervals. The rotary shafts rotate so that one each of the lower dies and the lower dies is selected depending on a type of the work to be hemmed.Type: ApplicationFiled: November 29, 2010Publication date: September 26, 2013Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Satoshi Tsuda, Tomonari Yasuda
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Publication number: 20130247639Abstract: Disclosed is a roller hemming device, which is capable of excellent hemming even when a subject to be hemmed is located in a relatively narrow place, and reducing maintenance frequency. Specifically disclosed is a roller hemming device, which includes a preliminary bending roller for performing preliminary bending of a work, a final bending roller for performing final bending of the work, and an arm for setting attitudes of the preliminary bending roller and the final bending roller at desired positions and angles. The preliminary bending roller has an axis inclined with respect to a horizontal direction and is arranged at such a position not to come in contact with the work during the final bending.Type: ApplicationFiled: November 22, 2010Publication date: September 26, 2013Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Satoshi Tsuda
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Patent number: 8448940Abstract: A movable side regulating plate is provided on a frame body. The movable side regulating plate regulates side edges in a width direction of sheets stacked on a sheet stacking plate, and is movable in the width direction. A sheet pressing portion configured to press the side edges of the sheets and press the sheets onto a stationary side regulating plate is provided on the movable side regulating plate. The sheet pressing portion has a relief shape for reducing a pressing force exerted on the sheets when an amount of the sheets stacked on the sheet stacking plate becomes equal to or smaller than a predetermined amount. The relief shape is formed so that a downstream edge in a sheet feeding direction of a lower surface is located higher than an upstream edge in the sheet feeding direction of an upper surface.Type: GrantFiled: October 23, 2012Date of Patent: May 28, 2013Assignee: Canon Kabushiki KaishaInventors: Shinichi Ueda, Shuji Nishitani, Kazushi Nishikata, Masato Tanabe, Satoshi Tsuda
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Publication number: 20130084106Abstract: A developer conveyance apparatus for an image forming apparatus includes a developer storage portion configured to store developer, a developer conveyance portion arranged inside the developer storage portion and configured to convey the developer through rotation, a drive input portion configured to input a drive force to the developer conveyance portion, and a clutch arranged inside the developer storage portion and configured to transmit the drive force from the drive input portion to the developer conveyance portion, the clutch stopping or decelerating a rotation of the developer conveyance portion when a requisite torque for rotating the developer conveyance portion exceeds a predetermined magnitude, wherein the clutch is arranged inside the developer storage portion and includes at least one clutch side conveyance portion which, when receiving the drive force from the drive input portion, conveys the developer in a developer conveyance direction in which the developer conveyance portion conveys the deveType: ApplicationFiled: September 12, 2012Publication date: April 4, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Satoshi Tsuda, Takahito Ueno
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Patent number: 8381782Abstract: It aims to provide a heavy duty pneumatic tire with block patterns and capable of improving deflected wear resisting performances without sacrificing wet grip performances or on-snow performances and that can particularly be favorably used for all seasons.Type: GrantFiled: October 9, 2008Date of Patent: February 26, 2013Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Shingo Takahashi, Satoshi Tsuda
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Publication number: 20130001861Abstract: A sheet feeding apparatus includes a sheet accommodating unit which is detachably attached to an apparatus main body and configured to accommodate sheets, a sheet stacking unit which is provided in the sheet accommodating unit and can move while supporting the sheet, a sheet feeding unit configured to feed the sheet stacked on the sheet stacking unit, and a lift unit configured to move the sheet stacking unit toward the sheet feeding unit, wherein, before feeding of the sheet stacked on the sheet stacking unit by the sheet feeding unit, the lift unit increases and then reduces press contact force between the sheet stacked on the sheet stacking unit and the sheet feeding unit.Type: ApplicationFiled: September 12, 2012Publication date: January 3, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Kazushi Nishikata, Shinichi Ueda, Satoshi Tsuda