Patents by Inventor Masahiro Matsuo
Masahiro Matsuo 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: 11962052Abstract: A fuel cell module comprises: at least one cell stack including a plurality of single fuel cells supplied with a fuel gas and an oxidizing gas to generate power; a sealable housing accommodating the at least one cell stack and forming a power generation chamber inside the housing; a pressure vessel accommodating the housing; and an oxidizing gas supply pipe for supplying the oxidizing gas to the cell stack. At least one pressure equalizing opening is formed in the housing to allow communication between inside and outside of the housing. The at least one pressure equalizing opening includes only one pressure equalizing opening, or a plurality of pressure equalizing openings in which a distance between a pressure equalizing opening in the highest position and a pressure equalizing opening in the lowest position is within 0.1H, where H is a height of the housing.Type: GrantFiled: February 14, 2020Date of Patent: April 16, 2024Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Daigo Kobayashi, Hiroyuki Ozawa, Masahiro Mihara, Ryutaro Mori, Takeshi Matsuo, Norihisa Matake
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Publication number: 20240112909Abstract: A nitride semiconductor epitaxial substrate includes: a Si substrate; a nitride semiconductor epitaxial layer disposed above the Si substrate; and a mixed crystal layer disposed between the Si substrate and the nitride semiconductor epitaxial layer, and containing Si and a group III metal element, the mixed crystal layer containing a high concentration of C. The mixed crystal layer has a concentration of at least 1.0×10+21 cm?3, and a transition metal element concentration of at most 5.0×10+16 cm?3.Type: ApplicationFiled: January 4, 2022Publication date: April 4, 2024Inventors: Hisayoshi MATSUO, Hideyuki OKITA, Masahiro HIKITA, Yasuhiro UEMOTO, Manabu YANAGIHARA
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Publication number: 20240085842Abstract: An image forming apparatus includes: a first hardware processor that, when receiving an execution command of a job related to formation of an image on a continuous recording medium, calculates a consumption amount of a recording agent on a basis of information of the job; and a second hardware processor that determines whether the recording agent is sufficient on a basis of the consumption amount, wherein in a case where the second hardware processor determines that the recording agent is insufficient, a notification that the recording agent is insufficient is made.Type: ApplicationFiled: September 12, 2023Publication date: March 14, 2024Inventor: Masahiro MATSUO
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Patent number: 11603941Abstract: A relief valve includes: a housing; a plunger movable to each of a closed position and an open position; a differential pressure chamber; a spring member; a piston; and a damping chamber. The plunger includes a first damping passage penetrating the plunger and bringing an area outside the plunger and a through passage into communication. The piston includes a second damping passage penetrating the piston and bringing an area inside the piston and the damping chamber into communication. A communication space connected to each of the first damping passage and the second damping passage is formed between the plunger and the piston.Type: GrantFiled: April 7, 2020Date of Patent: March 14, 2023Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Hiroaki Fujiwara, Masahiro Matsuo
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Publication number: 20220323951Abstract: An extraction device includes an extraction container including a discharge port and capable of storing a biological sample and an extractant, a discharge accelerator configured to discharge the biological sample extracted into the extractant in the extraction container from the discharge port, and a controller configured to instruct the discharge accelerator to discharge the biological sample from the discharge port.Type: ApplicationFiled: March 9, 2022Publication date: October 13, 2022Applicant: KONICA MINOLTA, INC.Inventors: Kengo FUSHIYA, Masahiro MATSUO, Hiroshi MORIMOTO, Takahiro HARA
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Publication number: 20220178456Abstract: A relief valve includes: a housing; a plunger movable to each of a closed position and an open position; a differential pressure chamber; a spring member; a piston; and a damping chamber. The plunger includes a first damping passage penetrating the plunger and bringing an area outside the plunger and a through passage into communication. The piston includes a second damping passage penetrating the piston and bringing an area inside the piston and the damping chamber into communication. A communication space connected to each of the first damping passage and the second damping passage is formed between the plunger and the piston.Type: ApplicationFiled: April 7, 2020Publication date: June 9, 2022Inventors: Hiroaki FUJIWARA, Masahiro MATSUO
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Publication number: 20220025990Abstract: A valve device includes: a pilot chamber cover to which pilot pressure is introduced, the pilot chamber cover including a through hole extending in a direction intersecting with an axial direction of the spool; an operating pin configured to swing with movement of the spool in the axial direction; a rotating shaft configured to turn with swinging of the operating pin; a coupling plug coupled to the rotating shaft, a part of the coupling plug inserted into the through hole, the coupling plug being configured to switch between a coupled state where rotational force of the rotating shaft is transmitted to the coupling plug and a canceled state where the transmission of the rotational force of the rotating shaft to the coupling plug is canceled; an operating lever coupled to the coupling plug; and a sealing member between an inner peripheral surface of the through hole and the coupling plug.Type: ApplicationFiled: September 9, 2019Publication date: January 27, 2022Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Noboru ITO, Masahiro MATSUO, Hiroshi ITOH, Mitsuo YOSHIMOTO
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Patent number: 10998139Abstract: A solid electrolytic capacitor element that includes a porous body, a dielectric layer on a surface of the porous body, and a solid electrolyte layer on a surface of the dielectric layer. The porous body is made from a sintered body of a Ti-alloy-containing grain having a Ti—Zr—X multicomponent alloy on a surface thereof, where X is at least one valve metal element selected from Si, Hf, Y, Al, Mo, W, Ta, Nb, and V, and a composition of the Ti—Zr—X multicomponent alloy is Ti: 50 atm % to 80 atm %, Zr: 8 atm % to 32 atm %, and X: 1 atm % to 20 atm %.Type: GrantFiled: May 10, 2019Date of Patent: May 4, 2021Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Daisuke Obara, Takeo Arakawa, Takeshi Furukawa, Yuji Yokoyama, Yoshihiro Fujita, Masahiro Matsuo, Hideo Ito
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Patent number: 10991515Abstract: A solid electrolytic capacitor that includes a plurality of laminated units each including a valve action metal substrate including a porous layer on a surface thereof, a dielectric layer on a surface of the porous layer, and a solid electrolyte layer on the dielectric layer. A metal foil is between the laminated units. The units and the conductor layers are sealed with a coating resin. The valve action metal substrate has an anode section-side end surface directly connected to an anode outer electrode on the surface of the coating resin, and the metal foil is directly connected to a cathode outer electrode on the surface of the coating resin.Type: GrantFiled: April 15, 2019Date of Patent: April 27, 2021Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hiroyuki Harada, Toshio Tsutsumi, Masahiro Matsuo, Kazumasa Fujimoto, Sachiko Shirakawa
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Patent number: 10982692Abstract: Provided is a swing-back preventing apparatus capable of preventing a hydraulic actuator in a stop state from operating by undesired load. The swing-back preventing apparatus includes a housing, a piston, and a pair of biasing members. First and second spaces are formed between the piston and the housing, and the piston includes a pair of communication passages that are communicable with first and second spaces. When the piston is located at a first offset position, the first space is blocked from a first port. When the piston separates from the first offset position, the first space is connected to the first port. When the piston is located at a second offset position, the second space is blocked from a second port. When the piston separates from the second offset position, the second space is connected to the second port. When the piston is located at a position on the first offset position side of a neutral position, a first communication passage is connected to the first space.Type: GrantFiled: September 20, 2018Date of Patent: April 20, 2021Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Masahiro Matsuo, Hiroaki Fujiwara
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Patent number: 10948856Abstract: An image forming apparatus connectable to a post-processing apparatus via a carriage path for carrying continuous paper includes: a hardware processor that accepts a stop position of the continuous paper on the carriage path; a carrier that carries the continuous paper along the carriage path; an image former that forms an image on the continuous paper; a fuser that heats and presses the continuous paper passing through a nip portion formed by pressing bodies of revolution against each other to fix the image; and the hardware processor that switches between first control that, after the last image among the images formed on the continuous paper passes the fuser, stops carriage of the continuous paper and then separates the pressed bodies of revolution, and second control that separates the pressed bodies of revolution and then stops the carriage of the continuous paper, on the basis of the accepted stop position.Type: GrantFiled: June 6, 2018Date of Patent: March 16, 2021Assignee: Konica Minolta, Inc.Inventor: Masahiro Matsuo
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Publication number: 20200319580Abstract: An image forming apparatus according to the present invention includes: a conveyor that conveys continuous paper; an image former that forms an image on the continuous paper being conveyed; a fixer that pressurizes and heats the continuous paper passing through a fixing nip by bringing rotor into pressure contact with each other to form the fixing nip and rotating the rotors, to fix an image on the continuous paper; and a hardware processor that releases the fixing nip and stop rotation of the rotors and conveyance of the continuous paper by the conveyor when a lastly formed image in accordance with a print job passes through the fixing nip, the hardware processor then performing re-conveyance in which the continuous paper is conveyed by the conveyor with the fixing nip being left released and without rotation of the rotors, before performing warm-up of the fixer.Type: ApplicationFiled: February 24, 2020Publication date: October 8, 2020Inventor: Masahiro MATSUO
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Publication number: 20200277754Abstract: Provided is a swing-back preventing apparatus capable of preventing a hydraulic actuator in a stop state from operating by undesired load. The swing-back preventing apparatus includes a housing, a piston, and a pair of biasing members. First and second spaces are formed between the piston and the housing, and the piston includes a pair of communication passages that are communicable with first and second spaces. When the piston is located at a first offset position, the first space is blocked from a first port. When the piston separates from the first offset position, the first space is connected to the first port. When the piston is located at a second offset position, the second space is blocked from a second port. When the piston separates from the second offset position, the second space is connected to the second port. When the piston is located at a position on the first offset position side of a neutral position, a first communication passage is connected to the first space.Type: ApplicationFiled: September 20, 2018Publication date: September 3, 2020Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Masahiro MATSUO, Hiroaki FUJIWARA
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Publication number: 20200272082Abstract: There is provided an image forming apparatus that is capable of forming an image on a continuous paper, and the image forming apparatus includes: an image former including an image carrier on which a toner image is formed as being driven; and a hardware processor that controls conveyance of the continuous paper and driving of the image carrier, wherein the hardware processor starts the conveyance of the continuous paper while stopping the drive of the image carrier.Type: ApplicationFiled: February 25, 2020Publication date: August 27, 2020Inventor: Masahiro MATSUO
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Patent number: 10754282Abstract: An image forming apparatus includes an image former, an informing unit, and a hardware processor. The image former prints an image on continuous paper by: forming an electrostatic latent image on an image holder based on image information of a job; developing the electrostatic latent image with toner, thereby forming a toner image on the image holder; and transferring the toner image onto the continuous paper. Based on the image information of the job, the hardware processor calculates a coverage of the image to be printed on the continuous paper. Based on the calculated coverage, the hardware processor determines a continuously printable distance on the continuous paper. The hardware processor causes the informing unit to inform a user of the continuously printable distance before the image former starts the printing.Type: GrantFiled: July 5, 2019Date of Patent: August 25, 2020Assignee: KONICA MINOLTA, INC.Inventor: Masahiro Matsuo
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Patent number: 10710855Abstract: In a hydraulic driving system, a plurality of loading-line driving devices adjust a flow rate of an operating liquid flowing from a loading-line pump to a loading-line actuator, and a steering-line driving device adjusts a flow rate of the operating liquid flowing from the steering-line pump to the steering actuator. When one of a plurality of loading-line actuators is driving, a switching valve device connects a loading-side passage and a steering-side passage. When any of the plurality of loading-line actuators is not driving, the switching valve device disconnects the loading-side passage and the steering-side passage.Type: GrantFiled: June 12, 2017Date of Patent: July 14, 2020Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventor: Masahiro Matsuo
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Patent number: 10705468Abstract: An image forming apparatus includes: a conveyer that conveys continuous paper; an image creator that outputs an image onto the continuous paper, a heat source that imparts heat to the continuous paper; and a hardware processor that controls a printing action for forming an image on the continuous paper conveyed in a forward direction by the conveyer, using the image creator and the heat source, wherein when interrupting the printing action, the hardware processor performs withdrawal control in which the continuous paper is conveyed in a reverse direction such that a final image formed on the continuous paper before interruption of the printing action reaches a withdrawal position defined upstream of the heat source in the forward direction.Type: GrantFiled: November 1, 2018Date of Patent: July 7, 2020Assignee: KONICA MINOLTA, INC.Inventors: Masahiro Matsuo, Makoto Ui
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Publication number: 20200012221Abstract: An image forming apparatus includes an image former, an informing unit, and a hardware processor. The image former prints an image on continuous paper by: forming an electrostatic latent image on an image holder based on image information of a job; developing the electrostatic latent image with toner, thereby forming a toner image on the image holder; and transferring the toner image onto the continuous paper. Based on the image information of the job, the hardware processor calculates a coverage of the image to be printed on the continuous paper. Based on the calculated coverage, the hardware processor determines a continuously printable distance on the continuous paper. The hardware processor causes the informing unit to inform a user of the continuously printable distance before the image former starts the printing.Type: ApplicationFiled: July 5, 2019Publication date: January 9, 2020Applicant: KONICA MINOLTA, INC.Inventor: Masahiro MATSUO
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Patent number: 10422110Abstract: A pressure compensation unit includes: a control valve controlling hydraulic fluid supply and discharge to and from an actuator, the control valve including a pump port, a pair of relay and supply/discharge ports, and a tank port; a pressure compensation valve connected to the relay ports by an upstream and downstream-side relay lines, the pressure compensation valve moving in accordance with a pressure difference between upstream-side relay line and signal pressure; a load pressure detection line branching from the downstream-side relay line; a relief line connected to the downstream-side relay line and having a relief valve; and a switching valve leading: a maximum load pressure to the pressure compensation valve as the signal pressure when the hydraulic fluid does not flow through the relief line; and a pump pressure to the pressure compensation valve as the signal pressure when the hydraulic fluid flows through the relief line.Type: GrantFiled: November 8, 2016Date of Patent: September 24, 2019Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Yasunori Hatanaka, Masahiro Matsuo
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Publication number: 20190267195Abstract: A solid electrolytic capacitor element that includes a porous body, a dielectric layer on a surface of the porous body, and a solid electrolyte layer on a surface of the dielectric layer. The porous body is made from a sintered body of a Ti-alloy-containing grain having a Ti—Zr—X multicomponent alloy on a surface thereof, where X is at least one valve metal element selected from Si, Hf, Y, Al, Mo, W, Ta, Nb, and V, and a composition of the Ti—Zr—X multicomponent alloy is Ti: 50 atm % to 80 atm %, Zr: 8 atm % to 32 atm %, and X: 1 atm % to 20 atm %.Type: ApplicationFiled: May 10, 2019Publication date: August 29, 2019Inventors: Daisuke Obara, Takeo Arakawa, Takeshi Furukawa, Yuji Yokoyama, Yoshihiro Fujita, Masahiro Matsuo, Hideo Ito