Patents Assigned to National University Corporation Kanazawa University
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Publication number: 20240033974Abstract: This method for producing a fiber-reinforced composite material includes: a fiber dispersion process of providing a fiber-dispersed resin by kneading a resin 10a with fibers 10b to disperse the fibers 10b in the resin 10a; and a molecular weight reduction process in which, while transporting the fiber-dispersed resin along an outer peripheral surface of a screw body 37 provided with a passage 88 inside, the fiber-dispersed resin passes from an inlet 91 of the passage 88 to an outlet 92 of the passage 88 and a shear force is applied to the fiber-dispersed resin by restricting the transport of the fiber-dispersed resin with a barrier unit 82 disposed between the inlet 91 and the outlet 92 of the passage 88 on the outer peripheral surface.Type: ApplicationFiled: August 3, 2022Publication date: February 1, 2024Applicants: SHIBAURA MACHINE CO., LTD., National University Corporation Kanazawa UniversityInventors: Yuya SASAI, Yoshio IIZUKA, Kaho OSADA, Kentaro TAKI
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Publication number: 20230392308Abstract: A production device for melt-blown non-woven fabric, with which a high molecular weight polymer can be reduced in molecular weight by applying a shear force to the high molecular weight polymer without adding an additive such as a peroxide that promotes thermal decomposition reaction, and a low molecular weight polymer can be efficiently produced. The low molecular weight polymer and the melt-blown non-woven fabric are produced using a continuous high shearing device that applies a shear force to the high molecular weight polymer serving as a raw material by rotation of a screw body 37 to reduce the molecular weight of the high molecular weight polymer so as to obtain a low molecular weight polymer, and cools the low molecular weight polymer by passing the low molecular weight polymer through a passage 88 arranged in the axial direction inside the screw body 37.Type: ApplicationFiled: August 21, 2023Publication date: December 7, 2023Applicants: SHIBAURA MACHINE CO., LTD., NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITYInventors: Yuya SASAI, Takafumi SAMESHIMA, Yoshio IIZUKA, Kaho OSADA, Kentaro TAKI
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Patent number: 11804610Abstract: A fuel cell system having a direct liquid fuel cell that uses a liquid containing a formic acid or an alcohol as a fuel includes: a fuel tank that stores the fuel to be supplied to the fuel cell; a fuel supply device that supplies the fuel in the fuel tank to the fuel cell; and a bubbling device that blows an inert gas into the fuel stored in the fuel tank.Type: GrantFiled: October 23, 2020Date of Patent: October 31, 2023Assignees: JTEKT CORPORATION, NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITYInventors: Takuya Tsujiguchi, Yasuhide Takeda, Atsushi Kubo, Akihiro Takazato, Toshiyuki Saito, Motoo Nakai, Yusuke Ueda
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Publication number: 20230327145Abstract: A fuel flow groove formed in a fuel electrode current collector of a fuel electrode of a fuel cell includes a plurality of flow groove portions disposed in parallel, and a plurality of return groove portions connecting an end portion of one side edge portion or an end portion of the other side edge portion of the flow groove portions of two adjacent groups. Each of the return groove portions has an inner wall surface portion facing the end portion of the flow groove portions in the return groove portions. The inner wall surface portion has a curved surface shape in which a distance facing each other from the inner wall surface portion to the end portion of the flow groove portions, gradually decreases toward both end portions of the inner side wall surface portion in a direction orthogonal to an extending direction of the flow groove portions.Type: ApplicationFiled: October 14, 2020Publication date: October 12, 2023Applicants: JTEKT CORPORATION, NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITYInventors: Takuya TSUJIGUCHI, Noriyasu HAYASHI, Toshiyuki SAITO, Motoo NAKAI, Atsushi KUBO, Akihiro TAKAZATO
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Patent number: 11781254Abstract: A production method for a low molecular weight polymer suitable for a melt-blown non-woven fabric and a production device for melt-blown non-woven fabric, with which a high molecular weight polymer can be reduced in molecular weight by applying a shear force to the high molecular weight polymer without adding an additive. The low molecular weight polymer and the melt-blown non-woven fabric are produced using a continuous high shearing device that applies a shear force to the high molecular weight polymer serving as a raw material by rotation of a screw body to reduce the molecular weight of the high molecular weight polymer so as to obtain a low molecular weight polymer, and cools the low molecular weight polymer by passing the low molecular weight polymer through a passage arranged in the axial direction inside the screw body.Type: GrantFiled: December 21, 2020Date of Patent: October 10, 2023Assignees: SHIBAURA MACHINE CO., LTD., National University Corporation Kanazawa UniversityInventors: Yuya Sasai, Takafumi Sameshima, Yoshio Iizuka, Kaho Osada, Kentaro Taki
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Publication number: 20230302430Abstract: The present disclosure provides an adsorbent which is produced using a low environmental load material as a raw material and adsorbs selenious acid selectively and efficiently. A selenious acid adsorbent according to the present disclosure includes a cellulose derivative (I) having a repeating unit represented by Formula (I).Type: ApplicationFiled: August 11, 2020Publication date: September 28, 2023Applicants: NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITY, DAICEL CORPORATIONInventors: Hiroshi HASEGAWA, Keisuke NAKAKUBO, Koki YUNOSHITA, Asami MASHIO, Katsuhiro MAEDA, Tsuyoshi TANIGUCHI, Tatsuya NISHIMURA, Yoko MITSUHASHI, Masaru ENDO, Takashi ARAI
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Patent number: 11753740Abstract: A method for manufacturing diamond substrate of using source gas containing hydrocarbon gas and hydrogen gas to form diamond crystal on an underlying substrate by CVD method, to form a diamond crystal layer having nitrogen-vacancy centers in at least part of the diamond crystal, nitrogen or nitride gas is mixed in the source gas, wherein the source gas is: 0.005 volume % or more and 6.000 volume % or less of the hydrocarbon gas; 93.500 volume % or more and less than 99.995 volume % of the hydrogen gas; and 5.0×10?5 volume % or more and 5.0×10?1 volume % or less of the nitrogen gas or the nitride gas, and the diamond crystal layer having the nitrogen-vacancy centers is formed. A method for manufacturing a diamond substrate to form an underlying substrate, a diamond crystal having a dense nitrogen-vacancy centers (NVCs) with an orientation of NV axis by performing the CVD.Type: GrantFiled: November 16, 2020Date of Patent: September 12, 2023Assignees: SHIN-ETSU CHEMICAL CO., LTD., NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITYInventors: Hitoshi Noguchi, Norio Tokuda, Tsubasa Matsumoto
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Publication number: 20230278007Abstract: The present disclosure provides a cellulose derivative which has excellent storage stability and can selectively adsorb a valuable metal and a toxic metal. The cellulose derivative of the present disclosure has a repeating unit represented by Formula (I) below. In Formula (I) below. Ras are identical or different and are a hydrogen atom or a group represented by Formula (a) below. In Formula (a) below, ring Z represents a heterocycle containing a nitrogen atom as a heteroatom, and R1 represents a single bond or an alkylene group having from 1 to 10 carbons. Four R2s are identical or different, and each represent an alkyl group having from 1 to 10 carbons. At least one of all the Ras included in the cellulose derivative is a group represented by Formula (a) below.Type: ApplicationFiled: June 3, 2020Publication date: September 7, 2023Applicants: NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITY, DAICEL CORPORATIONInventors: Katsuhiro MAEDA, Tsuyoshi TANIGUCHI, Tatsuya NISHIMURA, Hiroshi HASEGAWA, Futo MORITA, Koki YUNOSHITA, Foni Bushon BISWAS, Asami MASHIO, Masaru ENDO, Takashi ARAI
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Publication number: 20230275243Abstract: A fuel cell includes a discharge structure that discharges water generated in a cathode electrode in association with an electrode reaction in the MEA to the outside. The discharge structure includes a discharge path through which air that is an oxidant flows, a passage that communicably connects an oxidant supply flow path and the discharge path and that moves water generated in the cathode electrode to the discharge path, and a discharge portion that discharges the generated water moved to the discharge path to the outside.Type: ApplicationFiled: August 25, 2021Publication date: August 31, 2023Applicants: JTEKT CORPORATION, NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITYInventors: Takuya TSUJIGUCHI, Yasuhide TAKEDA, Motoo NAKAI, Toshiyuki SAITO, Atsushi KUBO, Mototake FURUHASHI, Ayumi NAKASONE, Atsushi NAKANE, Fumitaka ACHIWA
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Publication number: 20230250553Abstract: A method for manufacturing diamond substrate of using source gas containing hydrocarbon gas and hydrogen gas to form diamond crystal on an underlying substrate by CVD method, to form a diamond crystal layer having nitrogen-vacancy centers in at least part of the diamond crystal, nitrogen or nitride gas is mixed in the source gas, wherein the source gas is: 0.005 volume % or more and 6.000 volume % or less of the hydrocarbon gas; 93.500 volume % or more and less than 99.995 volume % of the hydrogen gas; and 5.0×10?5 volume % or more and 5.0×10?1 volume % or less of the nitrogen gas or the nitride gas, and the diamond crystal layer having the nitrogen-vacancy centers is formed. A method for manufacturing a diamond substrate to form an underlying substrate, a diamond crystal having a dense nitrogen-vacancy centers (NVCs) with an orientation of NV axis by performing the CVD.Type: ApplicationFiled: April 14, 2023Publication date: August 10, 2023Applicants: SHIN-ETSU CHEMICAL CO., LTD., NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITYInventors: Hitoshi NOGUCHI, Norio TOKUDA, Tsubasa MATSUMOTO
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Publication number: 20230143831Abstract: To provide extracellular vesicles capable of satisfactorily activating, etc., antigen-specific T cells. Provided are said antigen-presenting extracellular vesicles that present an antigen-presenting MHC molecule and a T-cell-stimulating cytokine extramembranously.Type: ApplicationFiled: March 1, 2021Publication date: May 11, 2023Applicants: NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITY, NISSAN CHEMICAL CORPORATIONInventors: Rikinari HANAYAMA, Tomoyoshi YAMANO, Kazutaka MATOBA
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Publication number: 20230126199Abstract: The invention provides a polynucleotide including at least one of (a) a sequence encoding a fusion protein including an antigen-presenting MHC molecule capable of being presented extramembranously of an extracellular vesicle; (b) a sequence encoding a fusion protein including a T cell stimulating cytokine or a subunit thereof capable of being presented extramembranously of an extracellular vesicle; (c) a sequence encoding a fusion protein including a T cell co-stimulatory molecule capable of being presented extramembranously of an extracellular vesicle; (d) a sequence encoding a fusion protein including an antigen-presenting MHC molecule and a T cell stimulating cytokine or a subunit thereof capable of being presented extramembranously of an extracellular vesicle; and (e) a sequence encoding a fusion protein including an antigen-presenting MHC molecule, a T cell stimulating cytokine or a subunit thereof, and a T cell co-stimulatory molecule capable of being presented extramembranously of an extracellular vesiType: ApplicationFiled: March 1, 2021Publication date: April 27, 2023Applicants: NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITY, NISSAN CHEMICAL CORPORATIONInventors: Rikinari HANAYAMA, Tomoyoshi YAMANO, Kazutaka MATOBA
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Publication number: 20220393200Abstract: A fuel cell system having a direct liquid fuel cell that uses a liquid containing a formic acid or an alcohol as a fuel includes: a fuel tank that stores the fuel to be supplied to the fuel cell; a fuel supply device that supplies the fuel in the fuel tank to the fuel cell; and a bubbling device that blows an inert gas into the fuel stored in the fuel tank.Type: ApplicationFiled: October 23, 2020Publication date: December 8, 2022Applicants: JTEKT CORPORATION, NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITYInventors: Takuya TSUJIGUCHI, Yasuhide TAKEDA, Atsushi KUBO, Akihiro TAKAZATO, Toshiyuki SAITO, Motoo NAKAI, Yusuke UEDA
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Publication number: 20220325004Abstract: Provided is a method that enables industrially efficient production of an esterified polysaccharide product. A method for producing an esterified polysaccharide product, the method including reacting a polysaccharide-containing biomass, a basic ionic liquid with a pKa of a conjugate acid of an anion from 2 to 19 as a calculated value in a vacuum, and an esterifying agent using a kneader equipped with a shear force application mechanism. A cation constituting the basic ionic liquid is preferably one selected from the group consisting of an imidazolium cation, a pyridinium cation, and a tetraalkylammonium cation.Type: ApplicationFiled: June 4, 2019Publication date: October 13, 2022Applicants: NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITY, DAICEL CORPORATIONInventors: Daisuke HIROSE, Masashi GENDA, Naoki WADA, Kentaro TAKI, Kenji TAKAHASHI, Hiroyuki MATSUMURA
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Publication number: 20220325455Abstract: A production method for a low molecular weight polymer suitable for a melt-blown non-woven fabric and a production device for melt-blown non-woven fabric, with which a high molecular weight polymer can be reduced in molecular weight by applying a shear force to the high molecular weight polymer without adding an additive. The low molecular weight polymer and the melt-blown non-woven fabric are produced using a continuous high shearing device that applies a shear force to the high molecular weight polymer serving as a raw material by rotation of a screw body to reduce the molecular weight of the high molecular weight polymer so as to obtain a low molecular weight polymer, and cools the low molecular weight polymer by passing the low molecular weight polymer through a passage arranged in the axial direction inside the screw body.Type: ApplicationFiled: December 21, 2020Publication date: October 13, 2022Applicants: Shibaura Machine Co., Ltd., NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITYInventors: Yuya SASAI, Takafumi SAMESHIMA, Yoshio IIZUKA, Kaho OSADA, Kentaro TAKI
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Patent number: 11414691Abstract: Provided are an organoid having a metastatic property when transplanted into an immunocompetent non-human animal of the same species, a cell strain having a metastatic property when transplanted into an immunocompetent non-human animal of the same species, and a non-human animal including the organoid or the cell strain.Type: GrantFiled: September 7, 2017Date of Patent: August 16, 2022Assignee: National University Corporation Kanazawa UniversityInventors: Masanobu Oshima, Mizuho Nakayama, Eri Sakai
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Publication number: 20220242031Abstract: A signal acquisition unit of an abnormality detection device for a twin-screw extrusion molding machine, when the twin-screw extrusion molding machine that melts and kneads a fed resin raw material is in operation, acquires an AE output of an AE sensor installed on a surface of a housing of the twin-screw extrusion molding machine. A determination unit determines whether an abnormality occurs in the twin-screw extrusion molding machine, based on a relationship between the AE output and a first threshold and a second threshold.Type: ApplicationFiled: May 25, 2020Publication date: August 4, 2022Applicants: Shibaura Machine Co., Ltd., NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITYInventors: Masatoshi OHARA, Kentaro TAKI, Tsukasa KIDA
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Publication number: 20220162561Abstract: Provided is a composition for promoting secretion of extracellular vesicles, which comprises a compound having a structure of the formula I (wherein each substituent is as defined in the specification), a racemate thereof or a stereoisomer thereof, or a salt thereof, or a compound having a structure of the formula II (wherein each substituent is as defined in the specification), or a stereoisomer thereof, or a salt thereof, or, cucurbitacin, or a stereoisomer thereof, or a salt thereof.Type: ApplicationFiled: April 3, 2020Publication date: May 26, 2022Applicants: NISSAN CHEMICAL CORPORATION, NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITYInventors: Kazutaka MATOBA, Katsuhiko KIDA, Taito NISHINO, Rikinari HANAYAMA, Takeshi YOSHIDA
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Publication number: 20220153877Abstract: An object of the present invention is to provide a method for producing a polysaccharide derivative in which the use of a reagent such as an acid catalyst is not needed and a reaction can be smoothly progressed without causing any side reactions. A method for producing a polysaccharide derivative of the present invention includes a step of dissolving a raw material including a polysaccharide in at least one ionic liquid having an anion which is a non-carboxylate anion and reacting the raw material with an acyl group donor, a conjugate acid of the anion having a pKa of 4 or higher in vacuum.Type: ApplicationFiled: March 5, 2020Publication date: May 19, 2022Applicant: NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITYInventors: Daisuke HIROSE, Samuel Budi Wardhana Kusuma, Chie MARUYAMA, Naoki WADA, Kenji TAKAHASHI
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Publication number: 20220071956Abstract: The invention provides a composition for suppressing secretion of extracellular vesicle, which comprises a compound having a structure of the formula II (wherein, each substituent is as defined in the specification), or a pharmaceutically acceptable salt thereof, or a compound having a structure of the formula I (wherein, each substituent is as defined in the specification), or a metal complex thereof, or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: December 26, 2019Publication date: March 10, 2022Applicants: NISSAN CHEMICAL CORPORATION, NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITYInventors: Kazutaka MATOBA, Katsuhiko KIDA, Taito NISHINO, Rikinari HANAYAMA, Takeshi YOSHIDA