Patents Assigned to Hokkaido University
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Publication number: 20230287320Abstract: A method for producing a cancer cell aggregate having certain properties, screening a drug for preventing and/or treating cancer, and determining anoikis resistance in epithelial cancer cells. The method includes culturing cells using a cell culture substrate having a base material and a biocompatible polymer layer. The cell culture substrate has rough sections not covered with the biocompatible polymer layer on the surface of the cell culture substrate. Each of the rough sections has a shape of a spot with a diameter of 20-100 ?m, or a groove with a width of 3-30 ?m with an end part of the rough section being optionally connected to another rough section. A distance between two adjacent rough sections is at least 10 ?m or more, and the rough section has an uneven structure with a height ranging from 20 nm to 200 nm on the surface.Type: ApplicationFiled: December 29, 2022Publication date: September 14, 2023Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Yukiko MIYATAKE, Kaori SHIGETOMI, Takaharu OKAJIMA, Masanori KASAHARA
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Publication number: 20230275399Abstract: A semiconductor optical device includes a substrate formed of silicon and having a first optical waveguide and a semiconductor element formed of a III-V compound semiconductor and having a second optical waveguide, the semiconductor element being bonded to an upper surface of the substrate. The first optical waveguide and the second optical waveguide form a directional coupler.Type: ApplicationFiled: February 6, 2023Publication date: August 31, 2023Applicants: Sumitomo Electric Industries, Ltd., National University Corporation Hokkaido UniversityInventors: Naoya KONO, Naoki FUJIWARA, Kunimasa SAITOH, Takeshi FUJISAWA, Takanori SATO
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Publication number: 20230267258Abstract: A pattern generation device includes a memory and a processor coupled to the memory. The processor is configured to generate pattern data corresponding to a pattern of a metal layer based on a generation condition, determine whether the generated pattern data satisfies a predetermined condition, return to generate the pattern data when the predetermined condition is not satisfied, calculate a characteristic of the pattern or an element or circuit having the pattern when a high-frequency signal is inputted to a first portion and a high-frequency signal is outputted from a second portion by performing an electromagnetic field analysis based on the pattern data when the predetermined condition is satisfied, determine whether the calculated characteristic is within a target range, change the generation condition when the calculated characteristic is not within the target range, and return to generate the pattern data after changing the generation condition.Type: ApplicationFiled: January 20, 2023Publication date: August 24, 2023Applicants: Sumitomo Electric Industries, Ltd., National University Corp Hokkaido UniversityInventors: Takeshi KAWASAKI, Hajime IGARASHI
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Publication number: 20230242598Abstract: A polypeptide that comprises the amino acid sequence of SEQ ID NO: 1 and has a function of delivering a substance into cells, a polypeptide that comprises the amino acid sequence of SEQ ID NO: 2 and has a function of degrading a nucleic acid molecule, a polypeptide that comprises the amino acid sequence of SEQ ID NO: 3 and has a function of degrading a nucleic acid molecule and a function of intranuclearly migrating the same, polynucleotides encoding the respective polypeptides, and transformed cells containing the respective polynucleotides.Type: ApplicationFiled: April 7, 2021Publication date: August 3, 2023Applicant: National University Corporation Hokkaido UniversityInventors: Ryuichi SAKAI, Koji NAKANO
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Publication number: 20230236194Abstract: A method for evaluating the progression of hepatic fibrosis in non-alcoholic steatohepatitis, said method comprising measuring the amount of a sugar chain having a structure represented by formula (I) and/or a precursor sugar chain of the biosynthesis of a sugar chain having a structure represented by formula (I) in a sample.Type: ApplicationFiled: July 10, 2020Publication date: July 27, 2023Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Jun-ichi FURUKAWA, Naoya SAKAMOTO, Hisatoshi HANAMATSU, Koji OGAWA, Goki SUDA
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Publication number: 20230210925Abstract: A composition for activating cytotoxic T lymphocytes (CTLs) containing a spirulina extract is provided. A composition for CTL activation for proliferation of cytotoxic T lymphocytes (CTLs) containing a spirulina extract is provided. Moreover, a pharmaceutical composition for CTL activation or a food or a drink for CTL activation containing the composition for CTL activation is provided.Type: ApplicationFiled: July 9, 2021Publication date: July 6, 2023Applicants: DIC Corporation, National University Corporation Hokkaido UniversityInventors: Yasuyuki Imai, Tomohiro Hirahashi, Masanori Kasahara, Aya Miyazaki, Tsukasa Seya, Misako Matsumoto, Utano Tomaru
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Publication number: 20230211325Abstract: A catalyst structure for synthesis gas production of a synthesis gas that contains carbon monoxide and hydrogen, the catalyst structure being provided with a carrier that has a porous structure, while being configured from a zeolite type compound; first catalyst particles that contain one or more iron group elements which are selected from the group consisting of nickel (Ni), iron (Fe) and cobalt (Co); and second catalyst particles that contain one or more platinum group elements which are selected from the group consisting of platinum (Pt), palladium (Pd), rhodium (Rh) and ruthenium (Ru). The catalyst structure for synthesis gas production has passages in communication with each other within the carrier. The first catalyst particles are present at least in the passages of the carrier; and the second catalyst particles are present at least either inside the carrier or on the outer surface of the carrier.Type: ApplicationFiled: June 1, 2021Publication date: July 6, 2023Applicants: FURUKAWA ELECTRIC CO., LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Yuichiro BANBA, Masayuki FUKUSHIMA, Takahiro UENO, Tomohiko MORI, Mai NISHII, Takao MASUDA, Yuta NAKASAKA, Takuya YOSHIKAWA
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Publication number: 20230212154Abstract: The present invention provides a compound exhibiting coronavirus 3CL protease inhibitory activity or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same. Furthermore, the present invention provides a crystalline form useful as an active pharmaceutical ingredient, and a pharmaceutical composition comprising the same. A compound represented by Formula: , or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: April 29, 2022Publication date: July 6, 2023Applicants: Shionogi & Co., Ltd., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Yuki TACHIBANA, Shota UEHARA, Yuto UNOH, Kenji NAKAHARA, Yoshiyuki TAODA, Yukiko YAMATSU, Shigeru ANDO, Michihito SASAKI
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Publication number: 20230201108Abstract: It is an object of the present invention to provide a Japanese encephalitis preventive agent and a Japanese encephalitis vaccine agent, which are capable of imparting sufficient immunity to humans, even if these agents are used at a lower dose than the dose of a Japanese encephalitis vaccine for subcutaneous injection, or at a smaller number of administrations than the number of administrations of a Japanese encephalitis vaccine for subcutaneous injection. According to the present invention, provided is a Japanese encephalitis preventive agent, comprising a microneedle array having a sheet portion and a plurality of needle portions present on the upper surface of the sheet portion, wherein the aforementioned needle portions contain or carry an inactivated Japanese encephalitis virus.Type: ApplicationFiled: January 13, 2023Publication date: June 29, 2023Applicants: FUJIFILM Corporation, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Takayoshi OYAMADA, Toshio SHIMADA, Kosuke KAKITA, Hiroaki IWATA
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Publication number: 20230201814Abstract: To provide a functional structural body that can realize a long life time by suppressing the decline in function of the functional substance and that can attempt to save resources without requiring a complicated replacement operation, and to provide a method for making the functional structural body. The functional structural body (1) includes a skeletal body (10) of a porous structure composed of a zeolite-type compound, and at least one functional substance (20) present in the skeletal body (10), the skeletal body (10) has channels (11) connecting with each other, and the functional substance is present at least in the channels (11) of the skeletal body (10).Type: ApplicationFiled: February 17, 2023Publication date: June 29, 2023Applicants: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.Inventors: Takao MASUDA, Yuta NAKASAKA, Takuya YOSHIKAWA, Sadahiro KATO, Masayuki FUKUSHIMA, Kojiro INAMORI, Hiroko TAKAHASHI, Yuichiro BANBA, Kaori SEKINE
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Patent number: 11683944Abstract: A laminate which allows to obtain an organic thin-film solar cell having excellent output characteristics and transparency is provided. The laminate as above has a titanium oxide layer that is disposed on the member serving as a light-transmissive electrode layer and serves as an electron transport layer. The titanium oxide layer has a thickness of not less than 1.0 nm and not more than 200.0 nm. The titanium oxide layer contains indium oxide and metallic indium, InOx/Ti is not less than 0.50 and not more than 20.00 in atomic ratio, and InM/Ti is less than 0.100 in atomic ratio, where an elemental titanium content is represented by Ti, an indium oxide content is represented by InOx, and a metallic indium content is represented by InM.Type: GrantFiled: September 28, 2020Date of Patent: June 20, 2023Assignees: JFE Steel Corporation, National University Corporation Hokkaido UniversityInventors: Mikito Suto, Hiroyuki Masuoka, Akira Matsuzaki, Hiroki Habazaki, Hikaru Kobayashi
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Publication number: 20230173268Abstract: A treatment device that shortens the time period until healing is determined even when a bone defect or a root apex lesion is generated in an apical area. The treatment device includes a file holder, a high-frequency signal generating circuit, and a control circuit. The file holder holds a file to be located in the site to be treated. The high-frequency signal generating circuit passes a high frequency current through the file. The control circuit controls a frequency of the high frequency current to be passed through the file from the high-frequency signal generating circuit. The control circuit controls the frequency of the high frequency current to be passed through the file within a range of 1.001 MHz to 11.700 MHz.Type: ApplicationFiled: November 2, 2022Publication date: June 8, 2023Applicants: J. MORITA MFG. CORP., National University Corporation Hokkaido UniversityInventors: Tsutomu SUGAYA, Keita YAMADA, Shingo BAN, Kei DOKAI, Tomoaki UEDA, Shunsuke YAMAGUCHI, Kazunari MATOBA
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Publication number: 20230173578Abstract: Disclosed is oxide-containing copper fine particles including Cu64O and optionally Cu2O and coated with a carboxylic acid, wherein a mass ratio of Cu64O to a total mass of Cu, Cu64O and Cu2O is 0.5 to 2.0% by mass.Type: ApplicationFiled: August 26, 2021Publication date: June 8, 2023Applicant: National University Corporation Hokkaido UniversityInventor: Tetsu Yonezawa
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Patent number: 11660471Abstract: The present invention makes it possible to provide a radiation therapy system capable of not only inhibiting treatment time from increasing more effectively than before but also reducing the loads of fluoroscopic radiation photographing apparatuses.Type: GrantFiled: November 27, 2018Date of Patent: May 30, 2023Assignees: HITACHI, LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Koichi Miyazaki, Naoki Miyamoto
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Patent number: 11655157Abstract: A functional structural body that can realize a prolonged life time by suppressing the decrease in function and that can fulfill resource saving without requiring a complicated replacement operation is provided. A functional structural body includes a skeletal body of a porous structure composed of a zeolite-type compound; and at least one solid acid present in the skeletal body, the skeletal body has channels connecting with each other, and the solid acid is present at least in the channels of the skeletal body.Type: GrantFiled: November 27, 2019Date of Patent: May 23, 2023Assignees: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.Inventors: Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa, Sadahiro Kato, Masayuki Fukushima, Kojiro Inamori, Hiroko Takahashi, Yuichiro Banba, Kaori Sekine
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Publication number: 20230150919Abstract: Disclosed is a method for producing a mono-cross-coupled aromatic compound (3-1) having one less leaving group than an aromatic compound (1) having at least two leaving groups, the method comprising: preparing the aromatic compound (1) having at least two leaving groups; preparing a compound (2) capable of undergoing a cross-coupling reaction selected from an aromatic boronic acid (2-1), an aromatic amino compound (2-2), a diboronic acid ester (2-3), an aromatic compound (2-4) having a hydroxyl group and an aromatic compound (2-5) having a thiol group; and performing a cross-coupling reaction of the aromatic compound (1) having at least two leaving groups with the compound (2) in the presence of a palladium catalyst and a base, in the absence of a solvent.Type: ApplicationFiled: March 2, 2021Publication date: May 18, 2023Applicant: National University Corporation Hokkaido UniversityInventors: Hajime Ito, Koji Kubota
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Patent number: 11648542Abstract: To provide a functional structural body that can realize ong life time by suppressing the decline in function of the functional substance and that can attempt to save resources without requiring a complicated replacement operation, and to provide a method for making the functional structural body. The functional structural body (1) includes a skeletal body (10) of a porous structure composed of a zeolite-type compound, and at least one functional substance (20) present in the skeletal body (10), the skeletal body (10) has channels (11) connecting with each other, and the functional substance is present at least the channels (11) of the skeletal body (10).Type: GrantFiled: November 27, 2019Date of Patent: May 16, 2023Assignees: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.Inventors: Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa, Sadahiro Kato, Masayuki Fukushima, Kojiro Inamori, Hiroko Takahashi, Yuichiro Banba, Kaori Sekine
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Patent number: 11648538Abstract: A functional structural body includes a skeletal body of a porous structure composed of a zeolite-type compound, and at least one type of metallic nanoparticles present in the skeletal body, the skeletal body having channels connecting with each other, the metallic nanoparticles being present at least in the channels of the skeletal body.Type: GrantFiled: November 27, 2019Date of Patent: May 16, 2023Assignees: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.Inventors: Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa, Sadahiro Kato, Masayuki Fukushima, Kojiro Inamori, Hiroko Takahashi, Yuichiro Banba, Kaori Sekine
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Patent number: 11648543Abstract: Provide is a functional structural body that can suppress aggregation of metal oxide nanoparticles and prevent functional loss of metal oxide nanoparticles, and thus exhibit a stable function over a long period of time. A functional structural body (1) includes: a skeletal body (10) of a porous structure composed of a zeolite-type compound; and at least one type of metal oxide nanoparticles (20) containing a perovskite-type oxide present in the skeletal body (10), the skeletal body (10) having channels (11) that connect with each other, and the metal oxide nanoparticles (20) being present at least in the channels (11) of the skeletal body (10).Type: GrantFiled: November 27, 2019Date of Patent: May 16, 2023Assignees: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.Inventors: Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa, Sadahiro Kato, Masayuki Fukushima, Kojiro Inamori, Hiroko Takahashi, Yuichiro Banba, Kaori Sekine
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Publication number: 20230132645Abstract: A lipid membrane structure includes, as lipid components, a lipid compound represented by Formula (I): [in the formula, a represents an integer of 3 to 5; b represents an integer of 0 or 1; R1 and R2 each independently represents a linear hydrocarbon group that may have —CO—O—; and X represents a 5- to 7-membered non-aromatic heterocyclic group or a group represented by Formula (B) (in the formula, d represents an integer of 0 to 3, and R3 and R4 each independently represents a C1-4 alkyl group or a C2-4 alkenyl group, where, R3 and R4 may be bonded to each other to form a 5- to 7-membered non-aromatic heterocycle (where, one or two C1-4 alkyl groups or C2-4 alkenyl groups may be substituted on the ring)].Type: ApplicationFiled: November 17, 2022Publication date: May 4, 2023Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Hideyoshi Harashima, Yusuke Sato