Patents Assigned to NATIONAL UNIVERSITY CORPORATION TOKAI
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Publication number: 20230405725Abstract: A laser processing method includes: a forming step of forming a plurality of modified spots along an imaginary plane inside a work piece by irradiating an inside of the work piece with laser light from a surface. The work piece includes a first region and second region when viewed in a direction perpendicular to the surface. In the forming step, a plurality of modified spot rows formed of the plurality of modified spots arranged along a boundary between the first region and the second region are formed in the second region, the plurality of modified spot rows being arranged along a direction intersecting an arrangement direction of the plurality of modified spots, and a crack extending from the second region to the first region is formed by forming the plurality of modified spot rows.Type: ApplicationFiled: June 12, 2023Publication date: December 21, 2023Applicants: HAMAMATSU PHOTONICS K.K., National University Corporation Tokai National Higher Education and Research SystemInventors: Daisuke KAWAGUCHI, Atsushi TANAKA, Toshiki YUI, Tomomi ARATANI
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Publication number: 20230408732Abstract: An optical product comprising a base member and an optical multilayer film formed directly on or indirectly above a film formation surface of the base member. The optical multilayer film reflects light on a short wavelength side and suppresses reflection of light on a longer wavelength side than the light on the short wavelength side, and has a first layer to an eighth layer counted from the base member side, the first layer is a first Al layer, the second layer is a first low-refractive-index layer, the third layer is a first high-refractive-index layer, the fourth layer is a second low-refractive-index layer, the fifth layer is a second Al layer, the sixth layer is a third low-refractive-index layer, the seventh layer is a second high-refractive-index layer, and the eighth layer is a fourth low-refractive-index layer.Type: ApplicationFiled: August 29, 2023Publication date: December 21, 2023Applicants: TOKAI OPTICAL CO. LTD., National University Corporation Tokai National Higher Education and Research SystemInventors: Akira OKUMURA, Keiji Nishimoto, Chiaki Inoue
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Publication number: 20230398257Abstract: An object of the present invention is to provide a bioabsorbable and stretchable fibrous medical material that enables formation of ligation which provides a small and hard-to-unravel knot even with a weak force. The present invention provides a fibrous medical material which is a fibrous material composed of a molded article provided by spinning and drawing a bioabsorbable aliphatic polymer, wherein an elongation at break is 75% or greater, an intermediate elastic modulus in tension at a strain ranging from 0.25% and 10% is lower than an initial elastic modulus in tension at a strain ranging from 0.05% to 0.25%, the intermediate elastic modulus in tension is 400 MPa or less, and a residual strain rate after 100% deformation is 70% or less.Type: ApplicationFiled: October 25, 2021Publication date: December 14, 2023Applicants: MITSUBISHI GAS CHEMICAL COMPANY, INC., National University Corporation Tokai National Higher Education and Research SystemInventors: Akira MAEHARA, Hitoshi HIRATA, Atsuhiko MURAYAMA, Yasunobu NAKAGAWA
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Publication number: 20230399518Abstract: A method for producing a paint color material developing a color by a pigmentary color and a structural color, the method including: obtaining a mixed liquid containing a color material particles by alternately adding and mixing a liquid obtained by suspending core particles each having a uniform particle diameter in a solution containing Fe and a liquid containing tannic acid into a liquid containing water as a main component, the color material particles each comprising a core portion formed by the core particle and a pigmentary layer that is formed around the core portion and contains an iron tannate, and each having a particle diameter corresponding to a wavelength of the structural color; and washing the color material particles, in which a pH of the mixed liquid is adjusted to 7.Type: ApplicationFiled: October 20, 2021Publication date: December 14, 2023Applicants: JTEKT CORPORATION, NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEMInventors: Toshiyuki SAITO, Shotaro YAMAGUCHI, Yukikazu TAKEOKA, Miki SAKAI
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Publication number: 20230383320Abstract: Provided is a method for producing a monounsaturated fatty acid having 16 carbon atoms by a method other than chemical synthesis. The method for producing a monounsaturated fatty acid having 16 carbon atoms comprises a step of culturing bacteria of the genus Bifidobacterium capable of producing a monounsaturated fatty acid having 16 carbon atoms in a liquid medium.Type: ApplicationFiled: November 3, 2022Publication date: November 30, 2023Applicants: SHIZUOKA PREFECTURAL UNIVERSITY CORPORATION, NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEMInventors: Hiroshi Kikukawa, Toru Suzuki
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Patent number: 11819570Abstract: A sugar-responsive gel that is highly resistant to temperature changes, and a sugar-responsive drug delivery device including such a gel. The sugar-responsive gel, which comprises a gel composition including a monomer having a hydroxyl group in addition to a phenylboronic-acid-based monomer, can exhibit suitable temperature resistance. A sugar-responsive drug delivery device including such a sugar-responsive gel is less susceptible to the effects of temperature changes, and therefore can prevent undesirable excessive delivery of a drug such as insulin.Type: GrantFiled: May 31, 2019Date of Patent: November 21, 2023Assignees: National University Corporation Tokai National Higher Education and Research System, National University Corporation Tokyo Medical and Dental UniversityInventors: Takayoshi Suganami, Miyako Tanaka, Akira Matsumoto, Hiroko Matsumoto, Yuki Morooka, Yuji Miyahara
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Patent number: 11808901Abstract: A nuclear reaction detection device 100 includes a semiconductor memory 100 arranged in an environment in which radiation is incident, a position information storage unit 210 that stores spatial position information of a semiconductor element in the semiconductor memory 100, a bit position specifying unit 220 that detects that an SEU (Single Event Upset) has occurred in the semiconductor element included in the semiconductor memory 100, and specifies the semiconductor element in which the SEU has occurred, and a position calculating unit 230 that calculates a spatial position in which the SEU has occurred, based on the specified semiconductor element and the spatial position information.Type: GrantFiled: July 3, 2020Date of Patent: November 7, 2023Assignees: Nippon Telegraph and Telephone Corporation, National University Corporation Hokkaido University, National University Corporation Tokai National Higher Education and Research SystemInventors: Hidenori Iwashita, Gentaro Funatsu, Michihiro Furusaka, Takashi Kamiyama, Hirotaka Sato, Yoshiaki Kiyanagi
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Patent number: 11810821Abstract: A semiconductor chip includes: an epitaxial film made of gallium nitride; a semiconductor element disposed in the epitaxial film; a chip formation substrate including the epitaxial film and having a first surface, a second surface opposite to the first surface, and a side surface connecting the first surface and the second surface; and a convex and a concavity on the side surface.Type: GrantFiled: April 13, 2021Date of Patent: November 7, 2023Assignees: DENSO CORPORATION, HAMAMATSU PHOTONICS K.K., National University Corporation Tokai National Higher Education and Research SystemInventors: Masatake Nagaya, Kazukuni Hara, Daisuke Kawaguchi, Toshiki Yui, Chiaki Sasaoka, Jun Kojima, Shoichi Onda
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Patent number: 11810783Abstract: A gallium nitride semiconductor device includes: a chip formation substrate made of gallium nitride and having one surface and an other surface opposite to the one surface; a one surface side element component disposed on the one surface and providing a component of an one surface side of a semiconductor element; and a metal film constituting a back surface electrode in contact with the other surface. The other surface has an irregularity provided by a plurality of convex portions with a trapezoidal cross section and a plurality of concave portions located between the convex portions; and an upper base surface of the trapezoidal cross section in each of the plurality of convex portions is opposed to the one surface.Type: GrantFiled: April 13, 2021Date of Patent: November 7, 2023Assignees: DENSO CORPORATION, HAMAMATSU PHOTONICS K.K., National University Corporation Tokai National Higher Education and Research SystemInventors: Chiaki Sasaoka, Jun Kojima, Shoichi Onda, Masatake Nagaya, Kazukuni Hara, Daisuke Kawaguchi
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Patent number: 11796228Abstract: A heat exchanger includes: a low temperature side channel through which low temperature liquid helium flows; a high temperature side channel through which high temperature liquid helium flows; and a thermal conduction unit that conducts heat from the high temperature side channel to the low temperature side channel. The thermal conduction unit has a partition member that separates the high temperature side channel and the low temperature side channel from each other and a thermal resistance reduction unit that reduces the thermal resistance between the partition member and the liquid helium. The thermal resistance reduction unit has a porous body having nano-size pores and fine metal particles having higher thermal conductivity than that of the porous body.Type: GrantFiled: February 25, 2019Date of Patent: October 24, 2023Assignee: NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEMInventors: Nobuo Wada, Taku Matsushita, Mitsunori Hieda
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Publication number: 20230330252Abstract: Provided is a drug useful for photoimmunotherapy. Specifically, provided is a conjugate including an antibody molecule, a particle having an average particle diameter of 100 nm or less, and a photosensitive portion. In the conjugate, the particle having an average particle diameter of 100 nm or less is linked to the antibody molecule, and at least one of the antibody molecule or the particle is bound to the photosensitive portion. The photosensitive portion is a portion showing increase of hydrophobicity when irradiated with a light beam having a wavelength of from 500 nm to 900 nm or a portion containing a phthalocyanine skeleton.Type: ApplicationFiled: September 7, 2021Publication date: October 19, 2023Applicants: JSR CORPORATION, NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEMInventors: Kazuhide SATO, Hiroshi YUKAWA, Kohei MATSUOKA, Yuuichi UEYA, Mibuko SHIMADA, Kenichiro ONO
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Patent number: 11788003Abstract: A semiconductor nanoparticle includes a core and a shell covering a surface of the core. The shell has a larger bandgap energy than the core and is in heterojunction with the core. The semiconductor nanoparticle emits light when irradiated with light. The core is made of a semiconductor that contains M1, M2, and Z. M1 is at least one element selected from the group consisting of Ag, Cu, and Au. M2 is at least one element selected from the group consisting of Al, Ga, In and Tl. Z is at least one element selected from the group consisting of S, Se, and Te. The shell is made of a semiconductor that consists essentially of a Group 13 element and a Group 16 element.Type: GrantFiled: September 28, 2021Date of Patent: October 17, 2023Assignees: OSAKA UNIVERSITY, NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM, NICHIA CORPORATIONInventors: Susumu Kuwabata, Taro Uematsu, Kazutaka Wajima, Tsukasa Torimoto, Tatsuya Kameyama, Daisuke Oyamatsu, Kenta Niki
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Patent number: 11789444Abstract: A movement control method for a multi-vehicle system for moving multiple vehicles to target positions individually set for the vehicles includes: acquiring first positions of the vehicles; determining control input for moving the vehicles from the first positions to second positions away from the target positions by a first distance or more while the vehicles satisfy a predetermined condition; and updating the first distance to be a shorter distance when a distance between the second position and the target position of each of the vehicles becomes equal to or more than the first distance and within an updating distance.Type: GrantFiled: October 3, 2019Date of Patent: October 17, 2023Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEMInventors: Yasuo Fujishima, Kazushige Takaki, Shunichi Azuma
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Patent number: 11780124Abstract: An apparatus for manufacturing a thermoplastic resin material, including: a mold for molding a base material containing a thermoplastic resin into a predetermined shape; and a transfer mechanism that places the base material in the mold, wherein the transfer mechanism includes a detection mechanism that detects a state of the base material, and a controlling unit that controls operation of the mold and the transfer mechanism.Type: GrantFiled: December 7, 2018Date of Patent: October 10, 2023Assignees: HONDA MOTOR CO., LTD., KADO CORPORATION, NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM, TORAY INDUSTRIES, INC., TEIJIN LIMITED, SUBARU CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, KYOWA INDUSTRIAL CO., LTD.Inventors: Satoshi Hirawaki, Yoshiaki Matsumoto, Shunya Hatanaka, Takashi Kusaka, Yasunari Kuratani
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Patent number: 11780874Abstract: A nucleoside that is more practical for RNA pharmaceuticals and other applications and use thereof is represented by formula (1) or (2) below, or a salt thereof: (In formula (1), R1 represents a hydrogen atom, a hydroxyl group, a hydroxyl group in which a hydrogen atom is substituted by an alkyl group or alkenyl group, or a protected group, and in formula (2), X represents a halogen atom. In formula (1) and formula (2), R2 and R3 may be the same or different, and each represents a hydrogen atom etc., R4 represents NHR7 (in which R7 represents a hydrogen atom etc., and B represent represents any of a purine-9-yl group, 2-oxo-pyrimidin-1-yl group, substituted purine-9-yl group or substituted 2-oxo-pyrimidin-1-yl group).Type: GrantFiled: October 31, 2018Date of Patent: October 10, 2023Assignees: YAMASA CORPORATION, NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEMInventors: Yoshihito Ueno, Yusuke Maeda, Ryohei Kajino
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Patent number: 11784039Abstract: A method for manufacturing a gallium nitride semiconductor device includes: preparing a gallium nitride wafer; forming an epitaxial growth film on the gallium nitride wafer to provide a processed wafer having chip formation regions; perform a surface side process on a one surface side of the processed wafer; removing the gallium nitride wafer and dividing the processed wafer into a chip formation wafer and a recycle wafer; and forming an other surface side element component on an other surface side of the chip formation wafer.Type: GrantFiled: April 13, 2021Date of Patent: October 10, 2023Assignees: DENSO CORPORATION, HAMAMATSU PHOTONICS K.K., National University Corporation Tokai National Higher Education and Research SystemInventors: Jun Kojima, Chiaki Sasaoka, Shoichi Onda, Masatake Nagaya, Kazukuni Hara, Daisuke Kawaguchi
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Patent number: 11768141Abstract: An object hardness measuring device includes a first side portion, a second side portion, a pedestal unit, a load unit, a measuring unit, and a holding unit. The load unit applies a load to the measurement object. The measuring unit is able to measure, in a state where the load acts on the measurement object, at least one of a movement distance of the second side portion with respect to the first side portion and a change amount of the load when the second side portion is moved either at a predetermined speed or to a predetermined position. The holding unit is able to hold the measurement object, and is movable between the first side portion and the second side portion by the slide rail unit.Type: GrantFiled: January 11, 2022Date of Patent: September 26, 2023Assignees: National University Corporation Tokai National Higher Education and Research System, MIZUNO CORPORATIONInventors: Tetuya Mouri, Tomoe Ozeki, Yuki Yamada, Kazuhiro Kume, Akihiro Kanda, Kazuyuki Takita
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Patent number: 11768507Abstract: A method for efficiently manage traveling planning in automated driving is provided. The method includes large-area planning of planning driving control of a vehicle in a predetermined management area including a vehicle traffic environment having a certain size, and small-area planning of planning driving control of the vehicle in a limited area or for a range of a limited period in the management area in a more detailed manner than the planning by the large-area planning, in which in at least one of the large-area planning and the small-area planning, information for determining planning is received from a plurality of traffic participants, and management of a combination of the received information and mediation thereof are performed, and the vehicle travels according to planning determined in each of the large-area planning and the small-area planning.Type: GrantFiled: November 18, 2021Date of Patent: September 26, 2023Assignees: National University Corporation Tokai National Higher Education and Research System, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shigeharu Teshima, Takemi Nohara, Hidehiro Kato, Haruo Fukuda
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Publication number: 20230301176Abstract: Provided are a compound that further improves the performance of an organic EL device, the organic electroluminescence device with more improved device performance, and electronic device including such an organic electroluminescence device, in which the compound is represented by the following formula (1): (each symbol in the formula (1) is as defined in the specification), the organic electroluminescence device contains the compound, and the electronic device includes the organic electroluminescence device.Type: ApplicationFiled: October 28, 2022Publication date: September 21, 2023Applicants: IDEMITSU KOSAN CO.,LTD., National University Corporation Tokai National Higher Education and Research SystemInventors: Tsukasa SAWATO, Keita SEDA, Tasuku HAKETA, Yusuke TAKAHASHI, Shota TANAKA, Takuto FUKAMI, Hideto ITO, Kenichiro ITAMI
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Publication number: 20230288431Abstract: A method for assessing a chronic phase cardiac function in acute myocardial infarction, includes monitoring blood concentration of miR-143 and/or miR-145 in an acute phase of the acute myocardial infarction in an individual who has occurred the acute myocardial infarction or presents a possibility of occurrence of the acute myocardial infarction.Type: ApplicationFiled: March 17, 2021Publication date: September 14, 2023Applicant: NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEMInventors: Shinya MINATOGUCHI, Yukihiro AKAO