Patents Assigned to National University Corporation Tokyo University of Agriculture and Technology
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Patent number: 10126253Abstract: A photoinduced carrier lifetime measurement device includes light sources that respectively apply light that differs in wavelength and generates photoinduced carriers to a semiconductor substrate, a microwave generation section that generates microwaves that are applied to the semiconductor substrate, a detection section that detects the intensity of the microwaves that have passed through the semiconductor substrate, and a calculation section that calculates the effective carrier lifetime corresponding to the wavelength of each light based on the intensity of the microwaves detected when applying each light, and calculates the bulk carrier lifetime and a surface recombination velocity of the semiconductor substrate based on the effective carrier lifetime calculated corresponding to the wavelength of each light.Type: GrantFiled: December 11, 2012Date of Patent: November 13, 2018Assignee: National University Corporation Tokyo University of Agriculture and TechnologyInventor: Toshiyuki Sameshima
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Publication number: 20180265463Abstract: The present invention relates to vitamin D3 derivatives of the following formula, wherein each symbol has the same meaning as defined herein, and pharmaceutical or medical use thereof for treating metabolic disease, liver disease, obesity, diabetes, cardiovascular disease, or cancer in a patient in need thereof.Type: ApplicationFiled: December 24, 2015Publication date: September 20, 2018Applicants: Kyoto University, National University Corporation Tokyo University of Agriculture and TechnologyInventors: Mizuki Watanabe, Risa Asano, Kazuo Nagasawa, Motonari Uesugi
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Patent number: 10076083Abstract: To provide a technique whereby, in cultivating a crop, factors relating to differentiation into flower buds and leaf buds, sprouting, flowering and fruiting, growth of young shoots, etc., are regulated. For example, the invention addresses the problem of regulating the growth of a crop so that leaf buds sprout in tandem and with the sprouting of flower buds and flowering and fruiting are repeated under fresh foliage. [Solution] A plant cultivation method which comprises environmentally stimulating a plant to regulate differentiation into flower buds and/or differentiation into leaf buds. In a typical embodiment, the plant is help in an environment at a temperature of 16-40° C. at a photoperiod of 8-13 hours immediately after harvesting fruits. As another environmental stimulus, the plant is held in, for example, an environment at a temperature of 3-7° C. As still another environmental stimulus, the plant as held in, for example, an environment at a temperature of 16-23° C. at a photoperiod of 8-11 hours.Type: GrantFiled: March 20, 2014Date of Patent: September 18, 2018Assignee: NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGYInventors: Isao Ogiwara, Jingai Che, Naomi Horiuchi, Takuya Murakami, Saori Sekiguchi
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Publication number: 20180254355Abstract: A high withstand voltage Schottky barrier diode includes a first layer that includes a first Ga2O3-based single crystal including a first Group IV element and Cl at a concentration of not more than 5×1016 cm?3 and that has an effective donor concentration of not less than 1×1013 and not more than 6.0×1017 cm?3, a second layer that includes a second Ga2O3-based single crystal including a second Group IV element and that has a higher effective donor concentration than the first layer and is laminated on the first layer, an anode electrode formed on the first layer, and a cathode electrode formed on the second layer.Type: ApplicationFiled: March 9, 2016Publication date: September 6, 2018Applicants: TAMURA CORPORATION, National Institute of Information and Communications Technology, National University Corporation Tokyo University of Agriculture and TechnologyInventors: Kohei SASAKI, Ken GOTO, Masataka HIGASHIWAKI, Akinori KOUKITU, Yoshinao KUMAGAI, Hisashi MURAKAMI
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Patent number: 10048699Abstract: A vehicle control apparatus includes: a storage apparatus configured to store a steering modification point of a vehicle and a vehicle speed target point of the vehicle that are associated with map information; and an electronic control unit configured to: detect a position of the vehicle; detect a travel direction of the vehicle; calculate a lane travel distance, the position of the vehicle, and the travel direction of the vehicle; generate, lane travel map data, a target direction of the vehicle, and a target vehicle speed of the vehicle, on the basis of the map information, the steering modification point, the vehicle speed target point, the position of the vehicle, and the travel direction of the vehicle; and output a control signal to control the vehicle on the basis of the position of the vehicle, the lane travel distance of the vehicle, and the lane travel map data.Type: GrantFiled: May 13, 2016Date of Patent: August 14, 2018Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, THE UNIVERSITY OF TOKYO, National University Corporation Tokyo University of Agriculture and TechnologyInventors: Hideo Inoue, Masahiro Mio, Masayuki Okuwa, Tsukasa Shimizu, Minoru Kamata, Takuma Ito, Pongsathorn Raksincharoensak, Masao Nagai
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Patent number: 10011921Abstract: To provide a method for producing a Group III element nitride crystal by growing it on a plane on the ?c-plane side as a crystal growth plane. The present invention is a method for producing a Group III element nitride crystal, including a vapor phase growth step of growing a Group III element nitride crystal 12 on a crystal growth plane of a Group III element nitride seed crystal 11 by vapor deposition. The vapor phase growth step is a step of causing a Group III metal, an oxidant, and a nitrogen-containing gas to react with one another to grow the Group III element nitride crystal 12 or includes: a reduced product gas generation step of causing a Group III element oxide and a reducing gas to react with each other to generate a gas of a reduced product of the Group III element oxide; and a crystal generation step of causing the gas of the reduced product and a nitrogen-containing gas to react with each other to generate the Group III element nitride crystal 12.Type: GrantFiled: October 28, 2015Date of Patent: July 3, 2018Assignees: Osaka University, Itochu Plastics Inc., National University Corporation Tokyo University of Agriculture and TechnologyInventors: Yusuke Mori, Masashi Yoshimura, Mamoru Imade, Masashi Isemura, Akinori Koukitu
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Patent number: 10001152Abstract: The invention relates to a fluid transport pipe. A first unit channel in which a channel cross-sectional area continuously decreases toward a downstream side and a second unit channel in which a channel cross-sectional area continuously increases toward the downstream side are alternately combined. A ratio A (=L/{[Smax]1/2-[Smin]1/2}) is set within a range in which a drag reduction rate RD becomes a positive value. The fluid transport pipe includes: a first opening formed in a channel wall of the first unit channel; a second opening formed in a channel wall of the second unit channel; and a bypass channel that allows by-passing of a flow from the first unit channel to the second unit channel through the openings.Type: GrantFiled: August 11, 2015Date of Patent: June 19, 2018Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE & TECHNOLOGYInventors: Hirokazu Ito, Tsuneo Tsutsui, Naoki Takeuchi, Kaoru Iwamoto
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Publication number: 20180107884Abstract: A road marking recognition device recognizes a road marking from an image acquired by imaging a road surface of a road on which a vehicle is traveling. The road marking recognition device includes: a storage unit configured to store a plurality of templates each of which corresponds to a corresponding one of plurality of feature portions of a road marking as a recognition target and between which a relative positional relationship is known; and a recognition unit configured to detect a second feature portion corresponding to a second template among the plurality of templates when the first feature portion is detected from the image.Type: ApplicationFiled: October 16, 2017Publication date: April 19, 2018Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, THE UNIVERSITY OF TOKYO, National University Corporation Tokyo University of Agriculture and TechnologyInventors: Toshiki KINOSHITA, Takuma ITO, Satoshi NAKAMURA, Minoru KAMATA, Pongsathorn RAKSINCHAROENSAK, Tsukasa SHIMIZU
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Publication number: 20180077826Abstract: A cooling device includes a heat sink that includes a plurality of first heat radiating fins and a plurality of second heat radiating fins, and a compressor as a blower that causes cooling air to flow from an inlet toward an outlet of a cooling passage of the heat sink. The cooling device includes in a flow direction of the cooling air that passes via the heat sink a mist supplier arranged upstream of the heat sink and that supplies mist M to the cooling passage of the heat sink.Type: ApplicationFiled: November 15, 2017Publication date: March 15, 2018Applicants: IHI Corporation, National University Corporation Tokyo University of Agriculture and TechnologyInventors: Yoji OKITA, Akira Murata
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Publication number: 20180030203Abstract: A thermally decomposable binder containing an aliphatic polycarbonate resin containing a constituting unit represented by the formula (1): wherein each of R1, R2 and R3, which may be identical or different, is a hydrogen atom, an alkyl group having from 1 to 10 carbon atoms, or an aryl group having from 6 to 20 carbon atoms; and n is 1 or 2. The thermally decomposable binder and the fine inorganic particle-dispersed paste composition, each containing an aliphatic polycarbonate resin of the present invention can be used in general molded articles, optical materials such as films, fibers, optical fibers, and optical disks, thermally decomposable materials such as ceramic binders, and lost foam casting, medicinal materials such as drug capsules, additives for biodegradable resins, main components for biodegradable resins, and the like.Type: ApplicationFiled: September 2, 2015Publication date: February 1, 2018Applicants: NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGY, SUMITOMO SEIKA CHEMICALS CO., LTD.Inventors: Koji NAKANO, Kiyoshi NISHIOKA, Masahiro SUZUKI, Nobutaka FUJIMOTO
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Patent number: 9840790Abstract: The invention provides highly transparent single crystalline AlN layers as device substrates for light emitting diodes in order to improve the output and operational degradation of light emitting devices. The highly transparent single crystalline AlN layers have a refractive index in the a-axis direction in the range of 2.250 to 2.400 and an absorption coefficient less than or equal to 15 cm-1 at a wavelength of 265 nm. The invention also provides a method for growing highly transparent single crystalline AlN layers, the method including the steps of maintaining the amount of Al contained in wall deposits formed in a flow channel of a reactor at a level lower than or equal to 30% of the total amount of aluminum fed into the reactor, and maintaining the wall temperature in the flow channel at less than or equal to 1200° C.Type: GrantFiled: August 23, 2012Date of Patent: December 12, 2017Assignees: Hexatech, Inc., National University Corporation Tokyo University of Agriculture and Technology, Tokuyama CorporationInventors: Akinori Koukitu, Yoshinao Kumagai, Toru Nagashima, Toru Kinoshita, Yuki Kubota, Rafael F. Dalmau, Jinqiao Xie, Baxter F. Moody, Raoul Schlesser, Zlatko Sitar
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Publication number: 20170327094Abstract: A driving assistance control apparatus of a vehicle includes a blind area detector, a driving operation detector, and an electronic control unit. The blind area detector is configured to detect the presence or absence of a blind area as seen from the vehicle in a traveling direction of the vehicle. The driving operation detector is configured to detect driving operation of the driver. The electronic control unit is configured to perform automatic deceleration control of the vehicle based on detection of the presence of the blind area by the blind area detector. The electronic control unit is configured to start the automatic deceleration control, by referring to the driving operation of the driver after detection of the presence of the blind area by the blind area detector.Type: ApplicationFiled: May 5, 2017Publication date: November 16, 2017Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, National University Corporation Tokyo University of Agriculture and Technology, THE UNIVERSITY OF TOKYOInventors: Shintaro INOUE, Hideo INOUE, Pongsathorn RAKSINCHAROENSAK, Yuichi SAITO, Masao NAGAI, Takuma ITO, Tsukasa SHIMIZU
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Publication number: 20170327110Abstract: A driving assistance control device for a vehicle includes: a moving object detection sensor configured to detect a moving object moving along a roadside in a traveling direction of the vehicle; a driving operation detection sensor configured to detect a driving operation of a driver; an actuator; and an Electronic Control Unit configured to perform automatic steering control of the vehicle by the actuator to avoid the moving object based on a detection result of the moving object, the Electronic Control Unit being configured to start the automatic steering control based on a driving steering of the driver after the moving object is detected.Type: ApplicationFiled: May 10, 2017Publication date: November 16, 2017Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, National University Corporation Tokyo University of Agriculture and Technology, The University of TokyoInventors: Shintaro INOUE, Hideo INOUE, Pongsathorn RAKSINCHAROENSAK, Yuichi SAITO, Masao NAGAI, Takuma ITO, Tsukasa SHIMIZU
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Publication number: 20170321183Abstract: A cell isolation method includes: a cell trapping step of allowing a test liquid to pass through a cell trapping filter which has a plurality of through-holes in the thickness direction, thereby trapping isolation target cells contained in the test liquid on one surface of the cell trapping filter; a gel embedding step of introducing a stimulus-responsive hydrogel onto the one surface of the cell trapping filter on which the cells have been trapped in the cell trapping step, thereby embedding the cells in the stimulus-responsive hydrogel; a gel hardening step of applying a stimulus to the stimulus-responsive hydrogel in which the cells are embedded, thereby hardening the stimulus-responsive hydrogel; and a detachment step of detaching the stimulus-responsive hydrogel that was hardened in the gel hardening step from the cell trapping filter.Type: ApplicationFiled: October 29, 2015Publication date: November 9, 2017Applicants: National University Corporation Tokyo University of Agriculture and Technology, Hitachi Chemical Company, Ltd.Inventors: Tomoko Yoshino, Tsuyoshi Tanaka, Tadashi Matsunaga, Ryo Negishi, Hisashige Kanbara, Seita Nakamura
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Patent number: 9778196Abstract: A phase sensitive detection mechanism that uses electrical processing is realized, and an optical detection device, an optical detection method, and a program that are capable of detecting faint light at high speed and with high sensitivity are provided by a simple configuration. A light source section generates a first pulsed light. A filter section transmits a second pulsed light formed from a portion of a frequency spectrum exhibited by the first pulsed light, and reflects a third pulsed light formed from another portion of the frequency spectrum exhibited by the first pulsed light. A phase modulation section phase modulates the second pulsed light at plural phases. A multiplexing section produces a fourth pulsed light by multiplexing the third pulsed light with the second pulsed light phase modulated by the phase modulation section. A detector spectrally disperses and detects scattered light generated by radiating the fourth pulsed light onto a target object.Type: GrantFiled: February 10, 2015Date of Patent: October 3, 2017Assignee: National University Corporation Tokyo University of Agriculture and TechnologyInventors: Takayuki Suzuki, Kazuhiko Misawa, Yuki Obara
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Publication number: 20170227029Abstract: The invention relates to a fluid transport pipe. A first unit channel in which a channel cross-sectional area continuously decreases toward a downstream side and a second unit channel in which a channel cross-sectional area continuously increases toward the downstream side are alternately combined. A ratio A (=L/{[Smax]1/2-[Smin]1/2}) is set within a range in which a drag reduction rate RD becomes a positive value. The fluid transport pipe includes: a first opening formed in a channel wall of the first unit channel; a second opening formed in a channel wall of the second unit channel; and a bypass channel that allows by-passing of a flow from the first unit channel to the second unit channel through the openings.Type: ApplicationFiled: August 11, 2015Publication date: August 10, 2017Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE & TECHNOLOGYInventors: Hirokazu ITO, Tsuneo TSUTSUI, Naoki TAKEUCHI, Kaoru IWAMOTO
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Patent number: 9691942Abstract: The present invention relates to a single-crystalline aluminum nitride wherein a carbon concentration is 1×1014 atoms/cm3 or more and less than 3×1017 atoms/cm3, a chlorine concentration is 1×1014 to 1×1017 atoms/cm3, and an absorption coefficient at 265 nm wavelength is 40 cm?1 or less.Type: GrantFiled: December 22, 2011Date of Patent: June 27, 2017Assignees: National University Corporation Tokyo University of Agriculture and Technology, Tokuyama CorporationInventors: Akinori Koukitu, Yoshinao Kumagai, Toru Nagashima, Yuki Hiraren
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Patent number: 9683238Abstract: Disclosed is providing a novel VEGF-binding aptamer whose affinity to VEGF is higher than those of known VEGF-binding aptamers. By an in silico maturation method starting from a known VEGF-binding aptamer, 4 kinds of aptamers whose affinities to VEGF are higher than that of the known VEGF-binding aptamer were prepared. By linking two molecules of an obtained aptamer to each other via a linker, an aptamer having an even higher affinity to VEGF was obtained. The polynucleotide of the present invention contains the base sequence of any one of SEQ ID NOs:1 to 4, and binds to vascular endothelial growth factor.Type: GrantFiled: December 12, 2013Date of Patent: June 20, 2017Assignees: National University Corporation Tokyo University of Agriculture and Technology, JNC CorporationInventors: Kazunori Ikebukuro, Yoshihiko Nonaka
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Publication number: 20170145590Abstract: A semiconductor substrate for being used as a base substrate for epitaxial crystal growth by HVPE method includes a ?-Ga2O3-based single crystal, and a principal surface that is a plane parallel to a [010] axis of the ?-Ga2O3-based single crystal. An epitaxial wafer includes the semiconductor substrate, and an epitaxial layer that includes a ?-Ga2O3-based single crystal and is formed on the principal surface of the semiconductor substrate by epitaxial crystal growth using the HVPE method. A method for manufacturing the epitaxial wafer includes forming the epitaxial layer by epitaxial crystal growth using the HVPE method on the semiconductor substrate.Type: ApplicationFiled: May 11, 2015Publication date: May 25, 2017Applicants: TAMURA CORPORATION, NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGYInventors: Ken GOTO, Akinori KOUKITU, Yoshinao KUMAGAI, Hisashi MURAKAMI
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Patent number: 9618238Abstract: Provided is an adsorption refrigerator that achieves high cooling capacity while reducing the volume the device as a whole occupies. The adsorption refrigerator according to the present embodiment has a configuration in which only one adsorption reactor is positioned directly above a first lower-layer adsorption reactor and a second lower-layer adsorption reactor. In addition, the adsorption refrigerator according to the present embodiment performs sequence control in which one of the first lower-layer adsorption reactor and the second lower-layer adsorption reactor keeps performing an adsorption process, whereas the other one changes processes of preheating, desorption, precooling, and adsorption.Type: GrantFiled: June 25, 2013Date of Patent: April 11, 2017Assignee: NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGYInventors: Atsushi Akisawa, Mizanur Rahman