Patents Assigned to National University Corporation
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Patent number: 11912952Abstract: A material comprising: a support 10; and a brush layer 20 containing a brush-like polymer chain assemblage 21 formed of a plurality of polymer chains and a swelling liquid 22, in which a brush layer 20 is swollen with the swelling liquid 22, the brush layer 20 retaining on the surface a lubricating liquid 30, and the swelling liquid 22 contained in the brush layer 20 and the lubricating liquid 30 being phase-separated to form a liquid-liquid phase separation interface 40 in between and a sliding system using the material.Type: GrantFiled: December 1, 2020Date of Patent: February 27, 2024Assignees: KYOTO UNIVERSITY, NATIONAL INSTITUTE OF TECHNOLOGY, NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITYInventors: Yoshinobu Tsujii, Keita Sakakibara, Takaya Sato, Hiroyuki Arafune, Ken Nakano, Mayu Miyazaki
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Patent number: 11911004Abstract: A bending and extending device 1 comprises an elastic hollow guide unit 2 and a movable part 3 to be movably inserted into the guide unit 2. The movable part 3 is constituted, either partially or entirely, of a plurality of belt-like flexible parts 30a and 30b, which extend in the axial direction of the guide unit 2 and the flexible parts 30a and 30b are connected at distal ends.Type: GrantFiled: October 24, 2017Date of Patent: February 27, 2024Assignee: NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Atsushi Yamada, Tohru Tani, Shigeyuki Naka, Shigehiro Morikawa
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Patent number: 11912878Abstract: A method of producing organic-inorganic hybrid infrared absorbing particles includes a dispersion liquid preparing step of preparing a dispersion liquid containing infrared absorbing particles, a dispersant, and a dispersion medium; a dispersion medium removing step of removing the dispersion medium from the dispersion liquid by an evaporation; a raw material mixture liquid preparing step of preparing a raw material mixture liquid containing the infrared absorbing particles collected after the dispersion medium removing step, a coating resin material, an organic solvent, an emulsifying agent, water, and a polymerization initiator; a stirring step of stirring the raw material mixture liquid while cooling; and a polymerizing step of polymerizing the coating resin material after deoxygenation treatment which reduces an amount of oxygen in the raw material mixture liquid.Type: GrantFiled: December 16, 2019Date of Patent: February 27, 2024Assignees: SUMITOMO METAL MINING CO., LTD., NATIONAL UNIVERSITY CORPORATION YAMAGATA UNIVERSITYInventors: Hirofumi Tsunematsu, Takeshi Chonan, Atsushi Tofuku, Seigou Kawaguchi, Naohiro Kobayashi
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Publication number: 20240063334Abstract: Provided is a method for manufacturing a semiconductor nanoparticle, the method includes performing a heat treatment of a first mixture containing a silver (Ag) salt, an alkali metal salt, a salt containing at least one of indium (In) and gallium (Ga), a sulfur source, and an organic solvent. A ratio of the number of atoms of an alkali metal to the total number of atoms of Ag and the alkali metal in the first mixture is greater than 0 and less than 1.Type: ApplicationFiled: July 25, 2023Publication date: February 22, 2024Applicants: National University Corporation Tokai National Higher Education and Research System, OSAKA UNIVERSITY, NICHIA CORPORATIONInventors: Tsukasa TORIMOTO, Tatsuya KAMEYAMA, Yuki MORI, Hiroki YAMAUCHI, Susumu KUWABATA, Taro UEMATSU, Daisuke OYAMATSU
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Publication number: 20240062072Abstract: A federated learning system in which a plurality of local servers repeatedly learn cooperatively through communications between the plurality of local servers and a central server via a network. The local server includes a decryption unit, a mean gradient calculation unit, a model updating unit, a validation error calculation unit, an encryption unit, and a local transmission unit that transmits at least one of a current local mean gradient and a current local validation error. The central server includes a central reception unit, a model selection unit, a weight determination unit, and a central transmission unit. The central reception unit receives encrypted current local models and at least one of current local training data counts, the current local mean gradients, and the current local validation errors from the plurality of respective local servers.Type: ApplicationFiled: December 24, 2021Publication date: February 22, 2024Applicants: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY, NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITYInventors: Lihua WANG, Fuki YAMAMOTO, Seiichi OZAWA
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Publication number: 20240060397Abstract: An object of the present invention is to provide an apparatus for injecting carbon dioxide into underground capable of capturing carbon dioxide from the atmosphere and injecting it into underground in a harmless state and at a low cost, the apparatus including: a capturing unit configured to concentrate carbon dioxide directly from the atmosphere and capture concentrated carbon dioxide as a mixture gas; and an injection well connected to the capturing unit for pressurizing the mixture gas and injecting the mixture gas into an underground reservoir, in which the capturing unit adjusts a proportion of carbon dioxide in the mixture gas to 25% by volume or more.Type: ApplicationFiled: December 27, 2021Publication date: February 22, 2024Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Takeshi TSUJI, Shigenori FUJIKAWA
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Publication number: 20240060938Abstract: An ultrasonic inspection device includes: a longitudinal ultrasonic sensor configured to emit and receive a longitudinal ultrasonic wave; and an ultrasonic transducer unit made of metal and having the shape of a polyhedron. The ultrasonic transducer unit includes: an output surface configured to be disposed facing an object to be inspected; an input surface on which the longitudinal ultrasonic sensor is disposed; and a conversion surface configured to, when the longitudinal ultrasonic wave input through the input surface is reflected by the conversion surface, convert the longitudinal ultrasonic wave into a transverse ultrasonic wave such that the transverse ultrasonic wave propagates toward the output surface, the conversion surface being tilted at a predetermined angle with respect to an in-plane direction of the output surface. Thermal conductivity of the ultrasonic transducer unit is lower than thermal conductivity of the object to be inspected.Type: ApplicationFiled: August 2, 2023Publication date: February 22, 2024Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, NATIONAL UNIVERSITY CORPORATION NAGAOKA UNIVERSITY OF TECHNOLOGYInventors: Tomohiro KOYAMA, Ikuo IHARA, Shinji WADA
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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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Patent number: 11909177Abstract: Disclosed are a current excitation type organic semiconductor laser containing a pair of electrodes, an organic laser active layer and an optical resonator structure between the pair of electrodes and a laser having an organic layer on a distributed feedback grating structure. The lasers include a continuous-wave laser, a quasi-continuous-wave laser and an electrically driven semiconductor laser diode.Type: GrantFiled: February 17, 2022Date of Patent: February 20, 2024Assignees: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, KOALA TECH INC.Inventors: Chihaya Adachi, Sangarange Don Atula Sandanayaka, Toshinori Matsushima, Kou Yoshida, Jean-Charles Ribierre, Fatima Bencheikh, Kenichi Goushi, Takashi Fujihara
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Patent number: 11907849Abstract: An information processing system includes a storage device that stores therein a trained model, and a processor. The trained model is trained to output a position and shape of an object in a training image based on training data. The training data is data in which the training image is provided with an annotation indicating the position and shape of the object. The training image is an image captured with an angle of view including the object whose position and shape are not clearly displayed in an image. The processor executes detection processing on a detection image to output detected information indicating the position and shape of the object. The processor then causes a display device to display the detected information superimposed on the detection image.Type: GrantFiled: May 28, 2021Date of Patent: February 20, 2024Assignees: OLYMPUS CORPORATION, National University Corporation OITA UNIVERSITY, FUKUOKA INSTITUTE OF TECHNOLOGYInventors: Makoto Ishikake, Toshiya Kamiyama, Masafumi Inomata, Tsuyoshi Etoh, Yukio Iwashita, Makoto Nakashima, Tatsushi Tokuyasu, Yusuke Matsunobu
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Patent number: 11904185Abstract: A proton beam therapy system 1 includes an irradiation nozzle 25 for irradiating a target 31A with a particle beam, a proton beam irradiation control system 41 that controls the irradiation nozzle 25, a dose monitor 27B that measures an irradiation amount of the particle beam emitted to the target 31A, a position monitor 27A that measures a position of the particle beam emitted to the target 31A, and a dose distribution evaluation system during irradiation 55 that calculates a dose distribution of the particle beam emitted to the target 31A during irradiation. This system supports a medical staff to quickly and appropriately make an intervention determination for treatment such as discontinuation of particle therapy, a change in conditions thereof, or the like in the process of particle irradiation.Type: GrantFiled: November 15, 2019Date of Patent: February 20, 2024Assignees: HITACHI, LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Shusuke Hirayama, Rintarou Fujimoto, Masumi Umezawa, Yuusuke Fujii, Keiji Kobashi, Taeko Matsuura, Shinichi Shimizu
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Patent number: 11909172Abstract: An object of the present invention is to provide a method for manufacturing an optical device having a laser diode, which method is suitable for mass production, and an optical device having a laser diode which allows accurate property evaluations thereof with small measurement errors. Specifically, the method includes: an etching process of etching a semiconductor lamination unit to form a mesa structure having a resonator end face, thereby forming a laser diode; and a reflecting layer forming process of forming a light reflecting layer such that the light reflecting layer covers entire side surfaces of the mesa structure, wherein the semiconductor lamination unit has a substate, a n-type clad layer including a nitride semiconductor layer having n-type conductivity, a light-emitting layer including at least one quantum well, and a p-type clad layer including a nitride semiconductor layer having p-type conductivity, laminated in this order.Type: GrantFiled: January 5, 2021Date of Patent: February 20, 2024Assignees: ASAHI KASEI KABUSHIKI KAISHA, National University Corporation Tokai National Higher Education and Research SystemInventors: Ziyi Zhang, Maki Kushimoto, Hiroshi Amano
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Publication number: 20240057354Abstract: An organic light-receiving element includes an organic light-receiving layer containing a plurality of organic semiconductor molecules. Each of the plurality of organic semiconductor molecules is a molecule in which an excited state enabling reverse intersystem crossing from a lowest excited triplet state to a lowest excited singlet state is formed in each of the plurality of organic semiconductor molecules due to irradiation with light.Type: ApplicationFiled: January 17, 2022Publication date: February 15, 2024Applicants: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, HAMAMATSU PHOTONICS K.K.Inventors: Chihaya ADACHI, Hajime NAKANOTANI, Takahiko YAMANAKA, Shigeo HARA
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Publication number: 20240050477Abstract: The present invention provides a lipid nanoparticle and the like containing a pH-sensitive cationic lipid represented by formula (1) (in formula (1), R1 and R2 are each independently a straight-chain C10-14 alkyl group, a straight-chain C10-20 alkenyl group having one or two unsaturated bonds, or —CH(R5)(R6)(where R5 and R6 are each independently a straight-chain C5-10 alkyl group); p represents an integer of 3-8; and R3 and R4 are each independently a methyl group or an ethyl group].Type: ApplicationFiled: February 17, 2022Publication date: February 15, 2024Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Takashi Nakamura, Hideyoshi Harashima, Yusuke Sato, Koharu Yamada, Taisei Nakade
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Publication number: 20240050189Abstract: A biomagnetic field measurement device includes an irradiation unit configured to irradiate a subject with radiation; an imaging unit having a light-receiving surface for receiving radiation, the imaging unit being configured to image the subject based on the radiation from the irradiation unit; a marker part configured to absorb the radiation from the irradiation unit; and a processing circuit configured to output biological information based on third position information of the marker part and an imaged result of the subject by the imaging unit, the third position information of the marker part being calculated from first position information of the marker part, second position information of the irradiation unit, and a captured image of the marker part imaged by the imaging unit.Type: ApplicationFiled: August 8, 2023Publication date: February 15, 2024Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental UniversityInventors: Masahiro Takada, Shigenori Kawabata, Akira Kinoshita
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Patent number: 11899019Abstract: Methods are provided for predicting a response to an anti-PD-1 antibody or anti-PD-L1 antibody therapy based on a new biomarker and for evaluating a malignancy of cancer. The method for predicting a response of a subject to an anti-PD-1 antibody or anti-PD-L1 antibody therapy includes measuring an expression level of LAT1 in a sample collected from a cancer tissue of the subject; and predicting a response of the subject to the anti-PD-1 antibody or anti-PD-L1 antibody therapy based on the expression level of LAT1. The method for evaluating a malignancy of cancer in a subject includes staining a sample collected from a cancer tissue of the subject with an anti-LAT1 antibody and an anti-PD-L1 antibody; and evaluating a malignancy of the cancer in the subject based on a presence or absence of a LAT1-positive and PD-L1-positive site.Type: GrantFiled: November 7, 2018Date of Patent: February 13, 2024Assignees: J-PHARMA CO., LTD., NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY, OSAKA UNIVERSITYInventors: Hitoshi Endou, Goshi Ishihara, Kyoichi Kaira, Yoshikatsu Kanai
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Patent number: 11895939Abstract: The invention tracks and automatically evaluates plant traits of “individuals of plant canopy” in a growth process of a germination period (from sowing until immediately prior to primary seedling culture), at a plant factory with artificial lighting. Specifically, a two-dimensional distribution of the plant traits is calculated by non-destructively and continuously measuring plant trait information in the growth process of the germination period, on the basis of image information 2a, environmental factor information 2b, genetic characteristic information 2c, and management information 2d.Type: GrantFiled: February 13, 2020Date of Patent: February 13, 2024Assignees: NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY, NON PROFIT ORGANIZATION JAPAN PLANT FACTORY ASSOCIATIONInventors: Yumiko Amagai, Alexander Feldman, Yu Zhang, Tomomi Nozaki, Toyoki Kozai, Eri Hayashi, Osamu Nunomura, Rikuo Hasegawa
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Patent number: 11898059Abstract: A surface protection composition having a compound represented by the formula (1) in an amount of 0.1 to 10 mass % in terms of phosphorus element with respect to the total amount of the composition, the compound (b) the metal-containing compound in an amount of 0.1 to 10 mass % in terms of a metal element with the total amount of the composition or the amine compound in an amount of 0.1 to 5.0 mass % in terms of nitrogen element the total amount of the composition, the compound (c) (meth)acrylate having 2 or more carbon-carbon double bonds and hydrocarbon chains having four or more carbon atoms in an amount of 1.0 to 70 mass % with the total amount of the composition, the compound (d) a photopolymerization initiator in an amount of 0.1 to 10 mass % with the total amount of the composition.Type: GrantFiled: February 25, 2019Date of Patent: February 13, 2024Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Naoyuki Oshiumi, Takehiro Hosokawa, Makoto Mizoguchi
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Patent number: 11898155Abstract: Provided is a method for introducing a selected molecule, including: an inhibitor treatment step of allowing a target cell or a target tissue to internalizing an inhibitor of vesicular transport or lysosomal membrane fusion; and an introduction step of contacting an introduction liquid containing a selected molecule with the target cell or the target tissue to introduce the selected molecule into the target cell or the target tissue.Type: GrantFiled: December 6, 2018Date of Patent: February 13, 2024Assignees: PEARL KOGYO CO., LTD., I-GENE CORPORATION, NATIONAL UNIVERSITY CORPORATION EHIME UNIVERSITYInventors: Masafumi Jinno, Yuki Isozaki, Yuto Kikuchi, Yugo Kido, Susumu Satoh
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Patent number: 11902428Abstract: A key exchange system in which a shared key is generated for executing encrypted communication between communication apparatuses according to an authenticated key exchange protocol using ID-based encryption, wherein each communication apparatus includes a memory and a processor configured to generate a short-term private key by using a private key of the communication apparatus; generate a short-term public key of the communication apparatus by using the short-term private key; generate private information on the communication apparatus by using the short-term private key, a short-term public key generated by another communication apparatus, and public information generated by the communication apparatus and said another communication apparatus or public information generated by a key delivering center; and generate the shared key for executing encrypted communication with said another communication apparatus by executing a pairing operation using the private key of the communication apparatus and the privateType: GrantFiled: July 16, 2020Date of Patent: February 13, 2024Assignees: NIPPON TELEGRAPH AND TELEPHONE CORPORATION, NATIONAL UNIVERSITY CORPORATION TOYOHASHI UNIVERSITY OF TECHNOLOGYInventors: Junichi Tomida, Fumitaka Hoshino, Akira Nagai, Atsushi Fujioka, Koutarou Suzuki