Patents by Inventor Masahiro Kamimura
Masahiro Kamimura 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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Patent number: 11968806Abstract: An electronic apparatus includes: a chassis; first and second heating elements in the chassis; and a cooling module absorbing the heat. The cooling module includes: a first vapor chamber connected to the first heating element; and a second vapor chamber connected to the second heating element. The first and second vapor chambers are placed adjacent to each other with a step therebetween. The first vapor chamber has a bridge that is a part of at least one of the two first metal plates, the bridge straddling the step and extending toward the second vapor chamber to be connected to a surface of the second vapor chamber. The bridge is not provided with the closed space.Type: GrantFiled: June 2, 2022Date of Patent: April 23, 2024Assignee: LENOVO (SINGAPORE) PTE. LTD.Inventors: Masahiro Kitamura, Yusuke Onoue, Takuroh Kamimura, Akinori Uchino
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Patent number: 11958005Abstract: An object of the present invention is to provide a chemical liquid purification method which makes it possible to obtain a chemical liquid having excellent defect inhibition performance. Another object of the present invention is to provide a chemical liquid. The chemical liquid purification method according to an embodiment of the present invention is a chemical liquid purification method including obtaining a chemical liquid by purifying a substance to be purified containing an organic solvent, in which a content of the stabilizer in the substance to be purified with respect to the total mass of the substance to be purified is equal to or greater than 0.1 mass ppm and less than 100 mass ppm.Type: GrantFiled: September 30, 2022Date of Patent: April 16, 2024Assignee: FUJIFILM CorporationInventors: Tetsuya Kamimura, Masahiro Yoshidome, Yukihisa Kawada
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Publication number: 20240121916Abstract: A heat radiation structure includes a mesh that abuts on a surface of a die, and a vapor chamber that interposes the mesh between the surface of the die and the vapor chamber. The mesh includes a heat generation element abutting range portion that is provided at a central portion of the mesh, is impregnated with a liquid metal, and abuts on the surface of the die to receive heat, and a pair of heat generation element non-abutting range portions that continuously extends from both sides of the heat generation element abutting range portion and does not abut on the surface of the die. Each of the pair of heat generation element non-abutting range portions is fixed to the vapor chamber via a sheet material. Each of a pair of the heat generation element non-abutting range portions is interposed between a pair of the sheet materials.Type: ApplicationFiled: September 19, 2023Publication date: April 11, 2024Applicant: LENOVO (SINGAPORE) PTE. LTD.Inventors: Masahiro Kitamura, Takuroh Kamimura, Ryota Watanabe, Junki Hashiba
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Publication number: 20230315070Abstract: Included are a first feature quantity conversion unit that converts a plurality of pieces of acquired actual defective product data respectively into actual feature quantities, a predicted feature quantity generation unit that generates a predicted feature quantity group by learning of a feature quantity generation model, a pseudo defective product data generation unit that generates a pseudo defective product data group by learning of an image generation model, a second feature quantity conversion unit that converts the pseudo defective product data group to acquire as a pseudo feature quantity group, a feature quantity distribution comparison unit that compares distributions between the predicted feature quantity group and the pseudo feature quantity group to calculate a feature quantity error as a residual error, and a pseudo defective product data quality determination unit that determines the quality of the generated pseudo defective product data group, based on the feature quantity error.Type: ApplicationFiled: March 28, 2023Publication date: October 5, 2023Inventors: Toshikazu KARUBE, Masahiro KAMIMURA, Jin FUKUMITSU
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Publication number: 20150066276Abstract: An inverted two-wheel apparatus includes: a motor that drives wheels; an angular velocity control unit that generates a target angular velocity for controlling the angular velocity of the motor; an angular velocity detection unit that detects the detected angular velocity of the motor; and a stop control unit that inhibits the rotation of the motor if the difference between the target angular velocity and the detected angular velocity is equal to or larger than an angular velocity threshold.Type: ApplicationFiled: August 28, 2014Publication date: March 5, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Issei NAKASHIMA, Masahiro Kamimura
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Patent number: 7850298Abstract: An image forming apparatus that includes a discharge tray on which a sheet discharged from a discharge port is stacked; a sheet retainer, which guides the sheet discharged from the discharge port onto the discharge tray and is displaced in abutment against an uppermost sheet stacked on the discharge tray, the sheet retainer removing electricity of the sheet; and a detection unit, which detects a stack of the sheet on the discharge tray on a basis of a position of the sheet retainer.Type: GrantFiled: April 27, 2006Date of Patent: December 14, 2010Assignee: Brother Kogyo Kabushiki KaishaInventors: Akehiro Ono, Masahiro Kamimura
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Patent number: 7484729Abstract: An image forming apparatus includes a loading portion that is capable of receiving a recording sheet. The loading portion includes a correction member which has a bending portion, wherein the bending portion selectively moves between a first position and a second position, the second position being located higher than the first position, and a stopper that selectively moves between a closed position and an open position in which the stopper extends upward at a predetermined angle with respect to a horizontal surface when the stopper is at the open position.Type: GrantFiled: December 7, 2004Date of Patent: February 3, 2009Assignee: Brother Kogyo Kabushiki KaishaInventors: Akehiro Ono, Masahiro Kamimura
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Patent number: 7421982Abstract: The present invention is directed to an internal combustion engine for making suction, compression, explosion, expansion and exhaust strokes in an operating chamber of variable volume defined between a housing and a piston. The internal combustion engine includes: an independent combustion chamber of fixed volume, formed in the housing and provided with a fuel supply device, for independently producing combustion therein; at least one communication passage for communicating the independent combustion chamber with the operating chamber of variable volume; and a control valve for allowing introduction of compressed air from the operating chamber into the independent combustion chamber and providing injection of combustion gas from the independent combustion chamber into the operating chamber at specified timing. The internal combustion engine is configured to independently produce main combustion without communication with the operating chamber.Type: GrantFiled: December 8, 2006Date of Patent: September 9, 2008Inventors: Ichiro Kamimura, Kazunari Kamimura, Masahiro Kamimura
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Patent number: 7389982Abstract: An image-forming device includes an image-forming section, a separating/feeding section that separates and feeds sheets of paper from a stack into the image-forming section one sheet at a time, a pressing plate disposed on the opposite side of the stacked paper from the separating/feeding section, and a drive section that drives the pressing plate. The drive section drives the pressing plate toward the separating/feeding section when the separating/feeding section is in contact with the paper and driving of the separating/feeding section has stopped.Type: GrantFiled: July 19, 2004Date of Patent: June 24, 2008Assignee: Brother Kogyo Kabushiki KaishaInventors: Kazumasa Makino, Masahiro Kamimura, Yoshiyuki Ito
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Publication number: 20070272200Abstract: The present invention is directed to an internal combustion engine for making suction, compression, explosion, expansion and exhaust strokes in an operating chamber of variable volume defined between a housing and a piston. The internal combustion engine includes: an independent combustion chamber of fixed volume, formed in the housing and provided with a fuel supply device, for independently producing combustion therein; at least one communication passage for communicating the independent combustion chamber with the operating chamber of variable volume; and a control valve for allowing introduction of compressed air from the operating chamber into the independent combustion chamber and providing injection of combustion gas from the independent combustion chamber into the operating chamber at specified timing. The internal combustion engine is configured to independently produce main combustion without communication with the operating chamber.Type: ApplicationFiled: December 8, 2006Publication date: November 29, 2007Inventors: Ichiro KAMIMURA, Kazunari KAMIMURA, Masahiro KAMIMURA
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Publication number: 20060244804Abstract: An image forming apparatus that includes a discharge tray on which a sheet discharged from a discharge port is stacked; a sheet retainer, which guides the sheet discharged from the discharge port onto the discharge tray and is displaced in abutment against an uppermost sheet stacked on the discharge tray, the sheet retainer removing electricity of the sheet; and a detection unit, which detects a stack of the sheet on the discharge tray on a basis of a position of the sheet retainer.Type: ApplicationFiled: April 27, 2006Publication date: November 2, 2006Applicant: Brother Kogyo Kabushiki KaishaInventors: Akehiro Ono, Masahiro Kamimura
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Patent number: 6978113Abstract: An image forming device for forming an image on a cut image recording medium that includes a sheet feeder unit storing a stack of image recording mediums, and a separation unit that intermittently separates one sheet of the stack from a remaining stack at a separating position and feeds the one sheet in a sheet feeding direction. The image forming device also includes an image forming unit at which a visible image is formed on the image recording medium fed from the sheet feeder unit, a conveying path extending between the sheet feeder unit and the image forming unit, and a sheet leading edge position regulating unit having a part selectively protrudable into the sheet conveying path to provide a protruding position. Finally, the leading edge position of the image recording medium is regulated upon protrusion of the part into the sheet conveying path.Type: GrantFiled: March 8, 2004Date of Patent: December 20, 2005Assignee: Brother Kogyo Kabushiki KaishaInventors: Masahiro Kamimura, Kazumasa Makino
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Publication number: 20050140086Abstract: An image forming apparatus includes a loading portion that is capable of receiving a recording sheet. The loading portion includes a correction member which has a bending portion, wherein the bending portion selectively moves between a first position and a second position, the second position being located higher than the first position, and a stopper that selectively moves between a closed position and an open position in which the stopper extends upward at a predetermined angle with respect to a horizontal surface when the stopper is at the open position.Type: ApplicationFiled: December 7, 2004Publication date: June 30, 2005Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Akehiro Ono, Masahiro Kamimura
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Publication number: 20050051944Abstract: An image-forming device includes an image-forming section, a separating/feeding section that separates and feeds sheets of paper from a stack into the image-forming section one sheet at a time, a pressing plate disposed on the opposite side of the stacked paper from the separating/feeding section, and a drive section that drives the pressing plate. The drive section drives the pressing plate toward the separating/feeding section when the separating/feeding section is in contact with the paper and driving of the separating/feeding section has stopped.Type: ApplicationFiled: July 19, 2004Publication date: March 10, 2005Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Kazumasa Makino, Masahiro Kamimura, Yoshiyuki Ito
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Publication number: 20040170457Abstract: An image forming device having a sheet conveying path extending from a feeder unit to an image forming unit. In the feeder unit, a sheet supply roller is rotated at a peripheral speed Vs. A convey roller positioned immediately downstream of the sheet supply roller is rotated at a peripheral speed V3 lower than Vs. Additional convey roller positioned immediately downstream of the first convey roller it rotated at a peripheral sped V2 lower than V3. A register roller positioned downstream of the second convey roller is rotated at a peripheral speed V1 lower than V2. A transfer roller of the image forming unit is rotated at a peripheral speed V0 lower than V1. Bach convey roller, the register roller, the sheet supply roller is connected to each clutch. Sheet sensors are provided each positioned between neighboring rollers for detecting a leading edge of the sheet.Type: ApplicationFiled: March 8, 2004Publication date: September 2, 2004Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Masahiro Kamimura, Kazumasa Makino
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Patent number: 6738596Abstract: An image forming device having a sheet conveying path extending from a feeder unit to an image forming unit. A convey roller positioned downstream of the sheet supply roller is rotated at a peripheral speed V3. Additional convey roller positioned downstream of the first convey roller is rotated at a peripheral speed V2 lower than V3. A register roller positioned downstream of the second convey roller is rotated at a peripheral speed V1 lower than V2. A transfer roller of the image forming unit is rotated at a peripheral speed V0 lower than V1. Each convey roller, the register roller, the sheet supply roller is connected to each clutch. Sheet sensors are provided between neighboring rollers for detecting a leading edge of the sheet. Upon detection of the leading edge, the roller positioned immediately upstream of the one of the sensors is shifted to its non-driving state.Type: GrantFiled: November 19, 2002Date of Patent: May 18, 2004Assignee: Brother Kogyo Kabushiki KaishaInventors: Masahiro Kamimura, Kazumasa Makino
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Patent number: 6697601Abstract: An image forming device feeding one cut sheet consecutively from a feeding unit to a image forming unit where a printed image is formed on the cut sheet. During feeding, a uniform interval between a trailing edge of a preceding sheet and a leading edge of a subsequent sheet is maintained. By setting a nip area between a sheet supply roller and a separating pad as a reference position for separating one sheet from a stack of sheet in the feeding unit. Sheet leading edge sensors including a light projecting element and a light receiving element are positioned downstream from the reference position exactly a distance L0. When the leading edge of a subsequent sheet is detected by the leading edge sensors and found to be less than a prescribed interval from the trailing edge of the preceding sheet, the feed timing for the subsequent sheet is delayed a prescribed amount.Type: GrantFiled: November 18, 2002Date of Patent: February 24, 2004Assignee: Brother Kogyo Kabushiki KaishaInventors: Masahiro Kamimura, Kazumasa Makino
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Publication number: 20030095822Abstract: An image forming device having a sheet conveying path extending from a feeder unit to an image forming unit. In the feeder unit, a sheet supply roller is rotated at a peripheral speed Vs. A convey roller positioned immediately downstream of the sheet supply roller is rotated at a peripheral speed V3 lower than Vs. Additional convey roller positioned immediately downstream of the first convey roller is rotated at a peripheral sped V2 lower than V3. A register roller positioned downstream of the second convey roller is rotated at a peripheral speed V1 lower than V2. A transfer roller of the image forming unit is rotated at a peripheral speed V0 lower than V1. Each convey roller, the register roller, the sheet supply roller is connected to each clutch. Sheet sensors are provided each positioned between neighboring rollers for detecting a leading edge of the sheet.Type: ApplicationFiled: November 19, 2002Publication date: May 22, 2003Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Masahiro Kamimura, Kazumasa Makino
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Patent number: 5219236Abstract: A recording apparatus for recording information on a continuous rolled recording medium, said recording apparatus comprising a fixed unit and a movable unit. The continuous rolled recording medium is exchangeable in the open position of said movable unit. A printing head is located in either of said fixed unit or said movable unit and a platen is located in the remaining unit. A pair of feed rollers are located downstream of said printing head and said platen with respect to a feeding direction of said recording medium. One of said feed rollers located in said fixed unit is displaceable between a contact position contacting with the other feed roller located in said movable unit when said movable unit is in the closed position and a release position separate from the other feed roller outside a locus of an outer profile of said movable unit.Type: GrantFiled: January 22, 1991Date of Patent: June 15, 1993Assignee: Brother Kogyo Kabushiki KaishaInventors: Masahiro Kamimura, Naokazu Shimoda, Eiji Tanaka, Akehiro Ono
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Patent number: 5137385Abstract: A printer for use with an electronic cash register in which both a printer mechanism and an openable/closable unit are housed in a cabinet. A cover member is openably and closeably mounted on the cabinet for lying over the unit. A rib is provided in the rear surface of the cover member, and an abutment block is provided in the openable/closable unit. The rib is brought to abutment with the block when the cover member is closed, while the abutment block is brought to abutment with the rib when the openable/closable unit is moved from the closed position to the open position. The cover is openable in accordance with the opening movement of the openable/closable unit through abutment of the rib and block whereas it is closable in accordance with the closing movement of the cover member through the abutment thereof.Type: GrantFiled: January 27, 1992Date of Patent: August 11, 1992Assignee: Brother Kyogo Kabushiki KaishaInventors: Masahiro Kamimura, Akehiro Ono