Patents Assigned to National University Corporation Tokyo University of Agriculture and Technology
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Publication number: 20240092421Abstract: A steering device and a method for controlling the steering device according to the present invention are capable of suppressing, in a steer-by-wire steering device including a steering operation input member and a turning actuator that applies a turning force to a road wheel based on a driving signal, a change in which a yaw rate gain of a vehicle rises with respect to the operation speed of the steering operation input member by changing a turning angle command value to an angle less than the angle before the change when a turning frequency of the road wheel is a predetermined frequency. As a result, it becomes possible to suppress a case in which the yaw rate gain of the vehicle becomes too sensitive with respect to a steering operation by a driver.Type: ApplicationFiled: December 28, 2021Publication date: March 21, 2024Applicants: HITACHI ASTEMO, LTD., National University Corporation Tokyo University of Agriculture and TechnologyInventors: Hiroki SONODA, Yoshiji HASEGAWA, Tomoaki FUJlBAYASHI, Hiroshi MOURI
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Patent number: 11932595Abstract: Provided are vitamin D3 derivatives of formula (I), pharmaceutical compositions thereof, and pharmaceutical or medical uses thereof for treating metabolic disease, a liver disease, obesity, diabetes, cardiovascular disease, or cancer in a patient in need thereof.Type: GrantFiled: September 17, 2021Date of Patent: March 19, 2024Assignee: KYOTO UNIVERSITY, NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGY, TEIKYO UNIVERSITY and THE UNIVERSITY OF TOKYOInventors: Motonari Uesugi, Yasushi Takemoto, Kazuo Nagasawa, Atsushi Kittaka, Fumihiro Kawagoe, Hayato Nakagawa
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Patent number: 11909164Abstract: An optical pulse pair generator is configured to generate an optical pulse pair including a first pulse beam and a second pulse beam having respective central wavelengths that are separated by a predetermined wavelength difference from each other and having target time waveforms that are substantially the same as each other. The optical pulse pair generator provided includes a splitter section configured to split an incident pulse beam into two, a first shaping section configured to shape one of the pulse beams split by the splitter section by shaping into the target time waveform and setting a central frequency so as to configure the first pulse beam, and a second shaping section configured to shape the other of the pulse beams split by the splitter section by shaping into the target time waveform so as to configure the second pulse beam.Type: GrantFiled: April 19, 2019Date of Patent: February 20, 2024Assignee: NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGYInventors: Kazuhiko Misawa, Terumasa Ito
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Publication number: 20230350169Abstract: A thermal radiation lens is configured to control propagation of thermal radiation, by using a sheet-type material 10 which realizes high refractive-index, non-reflective, and non-polarizing optical properties for a frequency band of a thermal radiation region. The sheet-type material 10 according to the present embodiment includes a substrate 11, a first pattern array 12 arranged regularly in the X-axis direction and the Y-axis direction on one surface of the substrate 11, and a second pattern array 13 formed on the back surface of the substrate relative to the one surface to overlap with the first pattern array, wherein meta-atoms 12a, 13a included in first and second pattern arrays have the same shape and have a width in the X-axis direction and a width in the Y-axis direction which are equivalent to each other within a range of a half wavelength of the thermal radiation.Type: ApplicationFiled: August 31, 2020Publication date: November 2, 2023Applicants: National University Corporation Tokyo University of Agriculture and Technology, National University Corporation Tokyo University of Agriculture and TechnologyInventor: Takehito SUZUKI
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Patent number: 11740459Abstract: Provided is a head-mounted display that enables viewing of a stereoscopic image without visual fatigue caused by vergence-accommodation conflict. A head-mounted display includes a display device to display images for the left eye and the right eye on a screen, virtual image forming optical systems for the left eye and the right eye, respectively disposed with respect to images for the left eye and the right eye on the screen, and wide-focus lenses for the left eye and the right eye having a negative focal length with a range, and respectively disposed with respect to the virtual image forming optical systems for the left eye and the right eye so as to overlap optical axis directions of the virtual image forming optical systems for the left eye and the right eye. By respectively displaying virtual images of images, a permissible range of vergence and accommodation is expanded.Type: GrantFiled: July 22, 2019Date of Patent: August 29, 2023Assignees: National University Corporation Tokyo University of Agriculture and Technology, ITOH OPTICAL INDUSTRIAL CO., LTD.Inventors: Yasuhiro Takaki, Yasushi Miyajima
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Publication number: 20230100591Abstract: There is provided a light detecting device including: a laser light source generating light source pulse beam; a splitting section splitting the light source pulse beam into excitation beam, first probe beam and second probe beam; a first modulating section executing optical path length modulation that modulates a relative optical path length difference between the excitation beam, and the first probe beam and the second probe beam; a second modulating section phase-modulating the first probe beam; and a detecting section illuminating combined beam, in which the excitation beam, the first probe beam and the second probe beam are multiplexed, onto a sample, and detecting a stimulated Raman scattering signal that is generated.Type: ApplicationFiled: February 26, 2021Publication date: March 30, 2023Applicant: National University Corporation Tokyo University of Agriculture and TechnologyInventors: Kazuhiko Misawa, Terumasa Ito
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Patent number: 11572062Abstract: A driving assistance control device includes an active pedal configured to control a driving and braking force of a vehicle, an electronic control unit configured to detect a potential risk area in which an obstacle entering a scheduled traveling route of the vehicle is likely to be present, and determine a reference speed at which contact between the vehicle and the obstacle can be avoided even when the obstacle enters the scheduled traveling route of the vehicle from the detected potential risk area based on a positional relationship between the vehicle and the potential risk area, and a force feedback unit configured to apply an assistance reaction force in a direction in which the amount of manipulation is reduced, to the active pedal when a current speed of the vehicle exceeds the reference speed.Type: GrantFiled: September 25, 2018Date of Patent: February 7, 2023Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, National University Corporation Tokyo University of Agriculture and Technology, THE UNIVERSITY OF TOKYO, SCHOOL JUDICIAL PERSON IKUTOKU GAKUENInventors: Shintaro Inoue, Pongsathorn Raksincharoensak, Yuichi Saito, Takuma Ito, Tsukasa Shimizu, Hideo Inoue
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Publication number: 20230032859Abstract: Provided is a head-mounted display capable of expanding the range in which a user can clearly view images. A head-mounted display 1 includes a display device 3 to display images 3a and 3b for the left eye and the right eye on a screen 3c, and virtual image forming optical systems 4a and 4b for the left eye and the right eye respectively disposed with respect to the images 3a and 3b for the left eye and the right eye on the screen 3c, wherein the virtual image forming optical systems 4a and 4b have positive power set in respective regions that visual lines of a user pass through, and include, at outer sides of optical centers in directions orthogonal to optical axes, power adjusting regions 55 having power set closer to the negative side than power at the optical centers.Type: ApplicationFiled: January 18, 2021Publication date: February 2, 2023Applicants: National University Corporation Tokyo University of Agriculture and Technology, Itoh Optical Industrial Co., Ltd.Inventors: Yasushi Miyajima, Yasuhiro Takaki
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Publication number: 20230026894Abstract: Provided is a light detection device having a laser light source, a splitting unit, a first modulation unit, a second modulation unit, a first detection unit and a second detection unit that detect light, and a control unit.Type: ApplicationFiled: December 24, 2020Publication date: January 26, 2023Applicant: National University Corporation Tokyo University of Agriculture and TechnologyInventors: Kazuhiko Misawa, Terumasa Ito
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Publication number: 20220364141Abstract: An object of the present invention is to provide a method for measuring tryptase activity in a blood sample accurately and rapidly by a convenient operation in order to accurately evaluate the state of a disease whose state involves mast cells. The present invention enables tryptase activity in a blood sample to be directly measured without the pretreatment, such as purification or concentration, of the blood sample, using a substrate for measuring tryptase activity, comprising a tripeptide C-terminally linked through a peptide bond to a dye label, selected from the following formulas (1) to (3): (1) Lys-Ala-Arg-X, (2) Ala-Ala-Arg-X, and (3) Abu-Ala-Arg-X (wherein X represents a dye label whose fluorescence characteristics or color development characteristics change upon the cleavage of the peptide bond with Arg, and Abu represents 2-aminobutyric acid).Type: ApplicationFiled: September 4, 2020Publication date: November 17, 2022Applicants: National University Corporation Tokyo University of Agriculture and Technology, Peptide Support Co., Ltd.Inventors: Hiroshi Matsuda, Norikazu Nishino
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Patent number: 11499247Abstract: This disclosure provides a vapor-liquid reaction device including a vapor-liquid reaction chamber and a projecting member. The vapor-liquid reaction chamber holds a molten metal in a lower portion of an internal space of the vapor-liquid reaction chamber.Type: GrantFiled: May 17, 2018Date of Patent: November 15, 2022Assignees: National University Corporation Tokyo University of Agriculture and Technology, Taiyo Nippon Sanso Corporation, Taiyo Nippon Sanso CSE CorporationInventors: Akinori Koukitu, Hisashi Murakami, Akira Yamaguchi, Kazushige Shiina, Hayato Shimamura
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Patent number: 11427776Abstract: The present invention provides a method for producing a biofuel that allows an animal/vegetable fat/oil raw material containing a free fatty acid to react with a lower alcohol in the presence of a solid acid catalyst, in which the consumption of the lower alcohol is reduced and the free fatty acid and the lower alcohol are selectively esterified to reform the animal/vegetable fat/oil. In this method, as a solid acid catalyst is used a catalyst selected from an SiO2/Al2O3 solid acid catalyst, an SiO2/Al2O3 solid acid catalyst with aluminum being partially introduced into mesoporous silica, an Al2O3/B2O3 solid acid catalyst, and a sulfated zirconia solid acid catalyst, with a molar ratio of the free fatty acid and the lower alcohol of 1 to 6.Type: GrantFiled: July 17, 2019Date of Patent: August 30, 2022Assignees: FUJITUSYO CO., LTD., NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE & TECHNOLOGYInventors: Eika W. Qian, Toshitaka Watanabe, Masaaki Katou
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Patent number: 11371140Abstract: A method for producing a GaN crystal that includes: (i) a seed crystal preparation step of preparing a GaN seed crystal having one or more facets selected from a {10-10} facet and a {10-1-1} facet; and (ii) a growth step of growing GaN from vapor phase on a surface comprising the one or more facets of the GaN seed crystal using GaCl3 and NH3 as raw materials.Type: GrantFiled: February 18, 2021Date of Patent: June 28, 2022Assignees: MITSUBISHI CHEMICAL CORPORATION, NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGYInventors: Kenji Iso, Akinori Koukitu, Hisashi Murakami
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Patent number: 11307040Abstract: A map information provision system includes: a road map information database configured to store road map information; a vehicle position determination unit configured to detect and determine a position of a vehicle on a road; a road map information extraction unit configured to extract the road map information around the vehicle from the road map information database, based on the position of the vehicle; and a waypoint map constructor unit configured to determine positions of waypoints and configure a waypoint map that is made up of the plurality of the waypoints, wherein the waypoint map is supplied to a driving support device for the vehicle or a driving control device for the vehicle and is utilized as map information on the planned driving route.Type: GrantFiled: October 5, 2018Date of Patent: April 19, 2022Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, THE UNIVERSITY OF TOKYO, National University Corporation Tokyo University of Agriculture and Technology, SCHOOL JUDICIAL PERSON IKUTOKU GAKUENInventors: Kyoichi Tohriyama, Takuma Ito, Satoshi Nakamura, Minoru Kamata, Pongsathorn Raksincharoensak, Tsukasa Shimizu, Hideo Inoue
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Patent number: 11300805Abstract: Provided are stereoscopic eyeglasses capable of reducing visual fatigue in binocular stereoscopic display by a simple configuration. In stereoscopic eyeglasses, in order to expand a tolerance of match between vergence and accommodation enabling comfortable stereovision in eyeglasses-using stereoscopic display, wide-focus lenses ranging in focal length are incorporated so as to overlap optical filters in light transmission directions, and accordingly, visual fatigue to be caused by vergence-accommodation conflict during stereoscopic image observation is reduced.Type: GrantFiled: June 7, 2019Date of Patent: April 12, 2022Assignees: National University Corporation Tokyo University of Agriculture and Technology, Itoh Optical Industrial Co., Ltd.Inventors: Yasuhiro Takaki, Yasushi Miyajima
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Patent number: 11248858Abstract: Provided is a heat transfer device comprising: a housing; a regenerator; a first heat exchanger; and a second heat exchanger.Type: GrantFiled: May 9, 2018Date of Patent: February 15, 2022Assignees: National University Corporation Tokyo University of Agriculture and Technology, Shoden Kogyo Co., Ltd.Inventors: Yuki Ueda, Kazuyuki Yoshioka
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Publication number: 20210404086Abstract: As one embodiment, the present invention provides a method for growing a ?-Ga2O3-based single crystal film by using HYPE method. The method includes a step of exposing a Ga2O3-based substrate to a gallium chloride-based gas and an oxygen-including gas, and growing a ?-Ga2O3-based single crystal film on a principal surface of the Ga2O3-based substrate at a growth temperature of not lower than 900° C.Type: ApplicationFiled: September 10, 2021Publication date: December 30, 2021Applicants: TAMURA CORPORATION, NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGYInventors: Ken GOTO, Kohei SASAKI, Akinori KOUKITU, Yoshinao KUMAGAI, Hisashi MURAKAMI
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Patent number: 11192559Abstract: A driving assistance system includes a driving readiness degree estimation unit configured to estimate a driving readiness degree relating to a driving consciousness of the driver based on the travel state of the vehicle or the driving operation of the vehicle by the driver and the traveling environment of the vehicle, a proportional gain calculation unit configured to calculate a proportional gain based on the driving readiness degree and the speed of the vehicle, and an assistance torque calculation unit configured to calculate the assistance torque according to a value obtained by multiplying a difference between the target steering angle and the actual steering angle by the proportional gain. If the speed is constant, the proportional gain calculation unit is configured to calculate the proportional gain as a smaller value as the driving readiness degree becomes lower.Type: GrantFiled: June 17, 2019Date of Patent: December 7, 2021Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, National University Corporation Tokyo University of Agriculture and TechnologyInventors: Shintaro Inoue, Pongsathorn Raksincharoensak
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Publication number: 20210260015Abstract: An object of the present invention is to provide a novel composition for use in suppressing fat accumulation, a novel composition for use in suppressing body weight gain, and a composition for use in promoting the production of a ketone body. According to the present invention, there is provided a composition for use in suppressing fat accumulation, suppressing body weight gain and/or promoting the production of a ketone body, comprising, as an active ingredient, a medium chain fatty acid glyceride comprising a saturated fatty acid having 8 carbon atoms as a constituent fatty acid. The ratio of the amount of the saturated fatty acid having 8 carbon atoms to the total amount of medium chain fatty acids of the medium chain fatty acid glyceride can be set to 0.6 or more. The medium chain fatty acid glyceride may further comprise, as a constituent fatty acid, a saturated fatty acid having 10 carbon atoms and/or a saturated fatty acid having 12 carbon atoms.Type: ApplicationFiled: July 2, 2019Publication date: August 26, 2021Applicants: National University Corporation Tokyo University of Agriculture and Technology, THE FOOD SCIENCE INSTITUTE FOUNDATION, MEIJI CO., LTD.Inventors: Ikuo KIMURA, Daisuke KOZUTSUMI, Kinya ASHIDA, Kentaro NAKAMURA
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Patent number: 11083105Abstract: A heat radiator for an aircraft, which cools a heat source installed in the aircraft, includes a heat radiating part in which a contact surface comes into contact with a main flow, the contact surface being formed with a concave portion or a convex portion in which a surface thereof directed upstream in a flow direction of the main flow is curved in a plan view.Type: GrantFiled: April 9, 2019Date of Patent: August 3, 2021Assignees: IHI Corporation, National University Corporation Tokyo University of Agriculture and TechnologyInventors: Yoji Okita, Akira Murata