Patents by Inventor Masayoshi Imoto
Masayoshi Imoto 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: 11718523Abstract: The present invention provides a novel method for producing hydrogen fluoride which can suppress the occurrence of the pasty state over the whole process of producing hydrogen fluoride, reduce the problem of corrosion caused by sulfuric acid, and improve energy efficiency of the process. A method for producing hydrogen fluoride by reacting calcium fluoride and sulfuric acid comprises: (a) mixing and reacting calcium fluoride and sulfuric acid such that a mixture comprising calcium fluoride particles and sulfuric acid substantially maintains a form of particulate to obtain hydrogen fluoride while supplying sulfuric acid to the calcium fluoride particles at a flow rate of 0.002 to 1 mol/min relative to 1 mol of calcium fluoride to such an amount that a molar ratio of sulfuric acid/calcium fluoride is 0.9 to 1.1.Type: GrantFiled: January 27, 2021Date of Patent: August 8, 2023Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Arata Sasatani, Toshiyuki Kinoshita, Toshikazu Yoshimura, Akikazu Tabuchi, Masayoshi Imoto
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Publication number: 20210147230Abstract: The present invention provides a novel method for producing hydrogen fluoride which can suppress the occurrence of the pasty state over the whole process of producing hydrogen fluoride, reduce the problem of corrosion caused by sulfuric acid, and improve energy efficiency of the process. A method for producing hydrogen fluoride by reacting calcium fluoride and sulfuric acid comprises: (a) mixing and reacting calcium fluoride and sulfuric acid such that a mixture comprising calcium fluoride particles and sulfuric acid substantially maintains a form of particulate to obtain hydrogen fluoride while supplying sulfuric acid to the calcium fluoride particles at a flow rate of 0.002 to 1 mol/min relative to 1 mol of calcium fluoride to such an amount that a molar ratio of sulfuric acid/calcium fluoride is 0.9 to 1.1.Type: ApplicationFiled: January 27, 2021Publication date: May 20, 2021Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Arata SASATANI, Toshiyuki KINOSHITA, Toshikazu YOSHIMURA, Akikazu TABUCHI, Masayoshi IMOTO
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Patent number: 10934166Abstract: The present invention provides a novel method for producing hydrogen fluoride which can suppress the occurrence of the pasty state over the whole process of producing hydrogen fluoride, reduce the problem of corrosion caused by sulfuric acid, and improve energy efficiency of the process. A method for producing hydrogen fluoride by reacting calcium fluoride and sulfuric acid comprises: (a) mixing and reacting calcium fluoride and sulfuric acid such that a mixture comprising calcium fluoride particles and sulfuric acid substantially maintains a form of particulate to obtain hydrogen fluoride while supplying sulfuric acid to the calcium fluoride particles at a flow rate of 0.002 to 1 mol/min relative to 1 mol of calcium fluoride to such an amount that a molar ratio of sulfuric acid/calcium fluoride is 0.9 to 1.1.Type: GrantFiled: July 2, 2015Date of Patent: March 2, 2021Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Arata Sasatani, Toshiyuki Kinoshita, Toshikazu Yoshimura, Akikazu Tabuchi, Masayoshi Imoto
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Patent number: 10518722Abstract: An automotive power supply device includes a trunk harness structure that is arranged on a floor in the central portion in the width direction of a vehicle body. The trunk harness structure is provided with a battery, and a power supply wiring line for supplying electric power to loads mounted on the vehicle body.Type: GrantFiled: February 8, 2016Date of Patent: December 31, 2019Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventor: Masayoshi Imoto
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Publication number: 20180015889Abstract: An automotive power supply device includes a trunk harness structure that is arranged on a floor in the central portion in the width direction of a vehicle body. The trunk harness structure is provided with a battery, and a power supply wiring line for supplying electric power to loads mounted on the vehicle body.Type: ApplicationFiled: February 8, 2016Publication date: January 18, 2018Inventor: Masayoshi Imoto
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Publication number: 20170158506Abstract: The present invention provides a novel method for producing hydrogen fluoride which can suppress the occurrence of the pasty state over the whole process of producing hydrogen fluoride, reduce the problem of corrosion caused by sulfuric acid, and improve energy efficiency of the process. A method for producing hydrogen fluoride by reacting calcium fluoride and sulfuric acid comprises: (a) mixing and reacting calcium fluoride and sulfuric acid such that a mixture comprising calcium fluoride particles and sulfuric acid substantially maintains a form of particulate to obtain hydrogen fluoride while supplying sulfuric acid to the calcium fluoride particles at a flow rate of 0.002 to 1 mol/min relative to 1 mol of calcium fluoride to such an amount that a molar ratio of sulfuric acid/calcium fluoride is 0.9 to 1.1.Type: ApplicationFiled: July 2, 2015Publication date: June 8, 2017Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Arata SASATANI, Toshiyuki KINOSHITA, Toshikazu YOSHIMURA, Akikazu TABUCHI, Masayoshi IMOTO
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Patent number: 9656864Abstract: The present invention provides a novel method for producing hydrogen fluoride, which is capable of using various calcium fluoride sources and preventing a second pasty state from occurring, effectively. In a method for producing hydrogen fluoride by reacting calcium fluoride with sulfuric acid, following steps are conducted: (a) a step for mixing and reacting calcium fluoride particles having an average particle diameter of 1-40 ?m with sulfuric acid at a sulfuric acid/calcium fluoride molar ratio of 0.9-1.1 under a temperature of 0-70° C. to obtain a solid-state reaction mixture; and (b) a step for heating the solid-state reaction mixture to a temperature of 100-200° C. to react with itself, and thereby producing hydrogen fluoride in a gas phase.Type: GrantFiled: June 24, 2010Date of Patent: May 23, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Toshikazu Yoshimura, Masayoshi Imoto, Arata Sasatani, Akikazu Tabuchi
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Patent number: 9554044Abstract: An image quality adjustment apparatus obtains correction data for correcting display unevenness of a display panel by capturing an image of the display panel using a camera, and includes a moire frequency control unit that performs a control to position the display panel and the camera at a predetermined relative angle with respect to each other, an unevenness measurement unit that measures the display unevenness of the display panel based on the image captured by the camera, and a correction data generation unit that generates the correction data based on the unevenness measured by the unevenness measurement unit. Arranging the panel and the camera at the predetermined relative angle shifts a spatial frequency component of a moire pattern occurring in the image captured by the camera out of a region where a spatial frequency component of the display unevenness is present, and removes an influence of the moire pattern.Type: GrantFiled: June 11, 2013Date of Patent: January 24, 2017Assignee: IIX INC.Inventors: Masayoshi Imoto, Hiroshi Murase, Shinya Tabata
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Patent number: 9450485Abstract: A power supply control apparatus has a voltage detection unit that detects output voltage of a battery or alternator; a condition acquisition unit that acquires an engine condition; a voltage transformation unit that raises or lowers output voltage; a switching unit that switches power supply to in-vehicle devices to either of the output voltage and a voltage transformed by the voltage transformation unit; and a control unit that outputs instruction to the switching unit based on the output voltage value and the engine condition. The switching unit switches the power supply destination between a first in-vehicle device group to which a voltage higher than V1 is to be supplied and a second different in-vehicle device group and the control unit outputs instruction to lower or raise the voltage to the voltage transformation unit, and outputs instruction to switch between the first and second in-vehicle device groups to the switching unit.Type: GrantFiled: September 6, 2012Date of Patent: September 20, 2016Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Masayoshi Imoto
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Patent number: 9277209Abstract: Provided is a pattern position detection method that allows detecting positions of patterns used for alignment with high accuracy. According to the pattern position detection method of the present invention, patterns are displayed on a liquid crystal panel (2) and captured by a camera (3). A black image is displayed on the liquid crystal panel (2) and captured by the camera (3) using a shutter speed or an f-number used when capturing the patterns. Based on a difference between a captured image of the patterns and a captured image of the black image, positions of images of the patterns on an imaging surface of the camera (3) are detected.Type: GrantFiled: September 5, 2014Date of Patent: March 1, 2016Assignee: IIX INC.Inventors: Hiroshi Murase, Masayoshi Imoto
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Publication number: 20150271409Abstract: An image quality adjustment apparatus obtains correction data for correcting display unevenness of a display panel by capturing an image of the display panel using a camera, and includes a moire frequency control unit that performs a control to position the display panel and the camera at a predetermined relative angle with respect to each other, an unevenness measurement unit that measures the display unevenness of the display panel based on the image captured by the camera, and a correction data generation unit that generates the correction data based on the unevenness measured by the unevenness measurement unit. Arranging the panel and the camera at the predetermined relative angle shifts a spatial frequency component of a moire pattern occurring in the image captured by the camera out of a region where a spatial frequency component of the display unevenness is present, and removes an influence of the moire pattern.Type: ApplicationFiled: June 11, 2013Publication date: September 24, 2015Applicant: IIX INC.,Inventors: Masayoshi Imoto, Hiroshi Murase, Shinya Tabata
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Publication number: 20140375824Abstract: Provided is a pattern position detection method that allows detecting positions of patterns used for alignment with high accuracy. According to the pattern position detection method of the present invention, patterns are displayed on a liquid crystal panel (2) and captured by a camera (3). A black image is displayed on the liquid crystal panel (2) and captured by the camera (3) using a shutter speed or an f-number used when capturing the patterns. Based on a difference between a captured image of the patterns and a captured image of the black image, positions of images of the patterns on an imaging surface of the camera (3) are detected.Type: ApplicationFiled: September 5, 2014Publication date: December 25, 2014Inventors: Hiroshi MURASE, Masayoshi IMOTO
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Patent number: 8866914Abstract: Provided is a pattern position detection method that allows detecting positions of patterns used for alignment with high accuracy. According to the pattern position detection method of the present invention, patterns are displayed on a liquid crystal panel (2) and captured by a camera (3). A black image is displayed on the liquid crystal panel (2) and captured by the camera (3) using a shutter speed or an f-number used when capturing the patterns. Based on a difference between a captured image of the patterns and a captured image of the black image, positions of images of the patterns on an imaging surface of the camera (3) are detected.Type: GrantFiled: March 18, 2013Date of Patent: October 21, 2014Assignee: IIX Inc.Inventors: Hiroshi Murase, Masayoshi Imoto
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Publication number: 20140232880Abstract: Provided is a pattern position detection method that allows detecting positions of patterns used for alignment with high accuracy. According to the pattern position detection method of the present invention, patterns are displayed on a liquid crystal panel (2) and captured by a camera (3). A black image is displayed on the liquid crystal panel (2) and captured by the camera (3) using a shutter speed or an f-number used when capturing the patterns. Based on a difference between a captured image of the patterns and a captured image of the black image, positions of images of the patterns on an imaging surface of the camera (3) are detected.Type: ApplicationFiled: March 18, 2013Publication date: August 21, 2014Applicant: IIX INC.Inventors: Hiroshi MURASE, Masayoshi IMOTO
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Publication number: 20140232625Abstract: Provided is a correction data generation method that can generate highly accurate correction data while suppressing the influence of photon shot noise. According to the correction data generation method of the present invention, test patterns are displayed on a liquid crystal panel (2) in units of specific gradation values, the displayed test patterns are captured by a camera (3) a plurality of times for each specific gradation value, and a summed image is generated for each specific gradation value by summing a plurality of captured images of the test patterns. Based on the summed image for each specific gradation value, correction data is generated for reducing unevenness in display of the liquid crystal panel (2) through correction of a signal input to the liquid crystal panel (2).Type: ApplicationFiled: March 15, 2013Publication date: August 21, 2014Applicant: IIX INC.Inventors: Hiroshi MURASE, Masayoshi IMOTO
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Publication number: 20140191571Abstract: A power supply control apparatus has a voltage detection unit that detects output voltage of a battery or alternator; a condition acquisition unit that acquires an engine condition; a voltage transformation unit that raises or lowers output voltage; a switching unit that switches power supply to in-vehicle devices to either of the output voltage and a voltage transformed by the voltage transformation unit; and a control unit that outputs instruction to the switching unit based on the output voltage value and the engine condition. The switching unit switches the power supply destination between a first in-vehicle device group to which a voltage higher than V1 is to be supplied and a second different in-vehicle device group and the control unit outputs instruction to lower or raise the voltage to the voltage transformation unit, and outputs instruction to switch between the first and second in-vehicle device groups to the switching unit.Type: ApplicationFiled: September 6, 2012Publication date: July 10, 2014Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.Inventor: Masayoshi Imoto
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Publication number: 20140118558Abstract: Provided is an image quality adjustment apparatus that can measure display unevenness for each pixel with higher accuracy than in the conventional art. An image quality adjustment system includes an image quality adjustment apparatus that generates correction data corresponding to a display panel, a test pattern generation device that causes the display panel to display a test pattern image, and a ROM writer. The image quality adjustment apparatus measures unevenness based on images of a display state of the display panel that are captured using cameras, and generates correction data for correcting the display unevenness that occurs due to manufacturing variations of the display panel. A feature of the present invention is that the image quality adjustment apparatus includes a plurality of cameras, and an image of a single display panel is captured using the plurality of cameras to obtain unevenness data of the display panel.Type: ApplicationFiled: October 22, 2013Publication date: May 1, 2014Applicant: IIX INC.Inventors: Masayoshi IMOTO, Hiroshi MURASE
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Publication number: 20120107223Abstract: The present invention provides a novel method for producing hydrogen fluoride, which is capable of using various calcium fluoride sources and preventing a second pasty state from occurring, effectively. In a method for producing hydrogen fluoride by reacting calcium fluoride with sulfuric acid, following steps are conducted: (a) a step for mixing and reacting calcium fluoride particles having an average particle diameter of 1-40 ?m with sulfuric acid at a sulfuric acid/calcium fluoride molar ratio of 0.9-1.1 under a temperature of 0-70° C. to obtain a solid-state reaction mixture; and (b) a step for heating the solid-state reaction mixture to a temperature of 100-200° C. to react with itself, and thereby producing hydrogen fluoride in a gas phase.Type: ApplicationFiled: June 24, 2010Publication date: May 3, 2012Applicant: Daikin Industries, Ltd.Inventors: Toshikazu Yoshimura, Masayoshi Imoto, Arata Sasatani, Akikazu Tabuchi
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Patent number: 7697055Abstract: A camera unit and an apparatus for monitoring a vehicle periphery, which are capable of picking up a wide range of a visual field while adequately adjusting the visual fields in the horizontal and vertical directions, and at the same time, improving visual confirmation of images displayed. The camera unit may include a pickup element, a lens system in which light rays incoming from a prescribed range of a visual field onto the pickup element are imaged, the lens system including a wide-angle lens system whose visual field angle in the horizontal direction is 120 degrees or more, and an anamorphic lens system whose anamorphic ratio is 1.5 or more.Type: GrantFiled: September 8, 2004Date of Patent: April 13, 2010Assignees: Autonetworks Technologies, Ltd, Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Masayoshi Imoto, Akinori Matsui
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Patent number: 7605856Abstract: In a camera unit, with respect to a relationship between an image height of respective image portion on an image formed on the pickup element and an image angle of the light lays made incident into the respective image portions, the lens system is configured so that an amount of change in the image height with respect to a change in the image angle is greater at a peripheral portion of the image than at a center part of the image. The lens system further includes an anomorphic lens system which enlarges in the vertical direction the image formed on the pickup element.Type: GrantFiled: September 8, 2004Date of Patent: October 20, 2009Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventor: Masayoshi Imoto