Patents Assigned to Hokkaido University
  • Patent number: 11384121
    Abstract: An object of the present invention is to provide an echinomycin derivative that has anti-cancer activity equal to or greater than that of echinomycin, and a production method therefor based on a chemical procedure. Provided are an echinomycin derivative represented by formula (I), and a production method therefor based on a chemical procedure.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: July 12, 2022
    Assignee: National University Corporation Hokkaido University
    Inventors: Satoshi Ichikawa, Keita Kojima, Mikihiro Fujiya, Hiroaki Konishi
  • Patent number: 11383207
    Abstract: The present invention pertains to a polycrystalline membrane containing metal nitride particles represented by the general formula MNx (where M is a metal element in which the Fermi energy is in a position higher than ?4.4 eV vs L.V. and x is the range over which a rock salt-type structure can be assumed), in which the crystallite size determined by transmission electron microscopy is 10 nm or less, at least some of the crystallites have rock salt-type structure, and the crystallites exhibit (111) orientation but substantially do not exhibit (100) orientation. The present invention also pertains to a method for manufacturing a polycrystalline membrane, comprising forming, by sputtering, a polycrystalline membrane on a substrate having a temperature of less than 200° C.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: July 12, 2022
    Assignee: National University Corporation Hokkaido University
    Inventors: Yoshitaka Aoki, Chiharu Kura, Hiroki Habazaki
  • Patent number: 11377743
    Abstract: Provided are: a multilayer structure in which a titanium oxide layer exhibits excellent photocatalytic activity; and a method for producing this multilayer structure. The above-described multilayer structure comprises: a conductive part which contains a metal element A other than Ti, while having electrical conductivity; and a titanium oxide layer which is arranged on the conductive part and contains 1.0% by atom or more of the metal element A.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: July 5, 2022
    Assignees: JFE Steel Corporation, National University Corporation Hokkaido University
    Inventors: Mikito Suto, Takeshi Suzuki, Yusuke Nakagawa, Katsumi Kojima, Hiroki Habazaki, Yuki Satoh
  • Publication number: 20220193118
    Abstract: Provided is a composition for suppressing pain which contains a monovalent metal salt of alginic acid, the composition being applied to a nucleus pulposus cavity part to suppress pain at a surgical site and/or a surrounding site thereof which occurs after surgery. Accordingly, a composition is provided, which suppresses pain and/or inflammation at a surgical site and/or a surrounding site thereof which occurs after surgery performed on an intervertebral disc as typified by intervertebral discectomy.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 23, 2022
    Applicants: National University Corporation Hokkaido University, Mochida Pharmaceutical Co., Ltd
    Inventors: Hideki SUDO, Katsuro URA, Katsuhisa YAMADA
  • Patent number: 11362817
    Abstract: A quantum cryptographic key output apparatus includes a semiconductor laser device that repeatedly generates pulsed laser light, an encoder that encodes the pulsed laser light based on a quantum cryptographic key, an optical branching unit that branches the pulsed laser light, and an attenuator that attenuates a light intensity of first pulsed laser light so that the number of photons of the first pulsed laser light has any one of a plurality of candidate values that are values equal to or smaller than 1. Further, the output apparatus includes a light intensity determination unit that determines whether or not a light intensity of a second pulsed laser light is in a predetermined range, and an information output unit that outputs specifying information for specifying the first pulsed laser light corresponding to second pulsed laser light of which the light intensity is not in the predetermined range to an input apparatus.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: June 14, 2022
    Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Akihisa Tomita, Kensuke Nakata
  • Publication number: 20220160659
    Abstract: The present invention pertains to a pharmaceutical composition comprising ?-galactosylceramide and/or dendritic cells pulsed with ?-galactosylceramide, said pharmaceutical composition being for preventing and/or treating drug-induced myocardial dysfunction. The present invention also pertains to a pharmaceutical composition comprising ?-galactosylceramide and/or dendritic cells pulsed with ?-galactosylceramide, said pharmaceutical composition being to be administered to a subject, who develops drug-induced myocardial dysfunction or is at a risk of developing the same, before and after administering the drug that is likely causative of the drug-induced myocardial dysfunction.
    Type: Application
    Filed: August 28, 2019
    Publication date: May 26, 2022
    Applicant: National University Corporation Hokkaido University
    Inventors: Naoki Ishimori, Toshihisa Anzai, Shintaro Kinugawa, Akimichi Saito, Yoshikuni Obata
  • Publication number: 20220161239
    Abstract: Provided is a functional structure which can suppress functional degradation of a functional material to achieve longer life, which can save resources without complicated replacement operations, and which, used for example as a catalyst, exhibits excellent catalytic activity. The functional structure includes supports each having a porous structure and including a zeolite-type compound, and at least one functional material present in the supports and including a metal element (M), in which each of the supports has channels communicating with one another, the functional material is present at least in the channel of each of the supports, and the metal element (M) having constituted the functional material is partially substituted with an element having constituted the supports.
    Type: Application
    Filed: December 3, 2019
    Publication date: May 26, 2022
    Applicants: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuichiro BANBA, Kaori SEKINE, Yukako NAKAI, Mai NISHII, Masayuki FUKUSHIMA, Sadahiro KATO, Hirokazu SASAKI, Shinsuke NISHIDA, Takao MASUDA, Yuta NAKASAKA, Takuya YOSHIKAWA
  • Patent number: 11339224
    Abstract: In order to provide an antibody having high therapeutic and prophylactic effects against cancer and the like, three types of mouse monoclonal antibodies were prepared which exhibit high affinities for a human-derived Eva1 protein. Moreover, constant regions of these antibodies were substituted with human-derived constant regions to also prepare chimeric antibodies. Further, these mouse antibodies and chimeric antibodies were found to have high ADCC and/or CDC activities. Furthermore, it was also revealed that administering these antibodies to mice having been subjected to melanoma cell administration suppresses the metastasis and the like of the cells to the lungs.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: May 24, 2022
    Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Toshitada Takemori, Mikako Shirouzu, Miho Tanaka, Tamami Ueshima, Toru Kondo
  • Publication number: 20220152133
    Abstract: [Problem] The purpose of the present invention is to provide a modified adenovirus having a cytocidal activity on a target cell and high safety. [Solution] The present invention pertains to: a modified adenovirus which comprises an E1A gene, an enhancer sequence having a function of enhancing the expression of the E1A gene, and an AU-rich element introduced into the 3?-untranslated region of a viral gene, which is essentially required for the self-propagation thereof, or a position adjacent to the 3?-untranslated region, or a modified adenovirus which comprises an E1A gene and an enhancer sequence having a function of enhancing the expression of the E1A gene and cannot express normal E4orf6 protein, wherein the distance between the 5?-terminus of the E1A gene and the terminus of the enhancer sequence is 1500-4500 bp; and a medicine comprising the same.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 19, 2022
    Applicant: National University Corporation Hokkaido University
    Inventor: Fumihiro Higashino
  • Patent number: 11324466
    Abstract: An image processor applies computation processing to a plurality of CT images formed by irradiation of radiation of a plurality of energy levels to acquire monochromatic CT images. The image processor acquires a first energy level CT image formed by irradiation of first energy level radiation and a second energy level CT image formed by irradiation of second energy level radiation, applies a plurality of weighted computations to the first and second energy level CT images to compute a plurality of monochromatic CT images as a result of the weighted computations, segments a surrounding region of a highly-absorbent material circumferentially into a plurality of regions of interest having a predetermined area and calculates a standard deviation of the surrounding region by using a mean value of image data of each region of interest, for each monochromatic CT image, and selects a monochromatic CT image with a small standard deviation.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: May 10, 2022
    Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Sodai Tanaka, Hiroki Shirato
  • Publication number: 20220135706
    Abstract: An object of the present disclosure is to provide a cellulose acetate film having excellent bending properties and high transparency. The subject cellulose acetate film contains cellulose acetate having a cellulose triacetate I crystal structure, the cellulose acetate film having a light transmittance of 70% or higher at 660 nm.
    Type: Application
    Filed: February 26, 2020
    Publication date: May 5, 2022
    Applicants: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, DAICEL CORPORATION
    Inventors: Yasumitsu URAKI, Haruo KONNO, Shu SHIMAMOTO
  • Patent number: 11312773
    Abstract: The present invention provides an anti-PD-L1 antibody capable of repeated administration even to animals other than rat. An anti-PD-L1 antibody comprising (a) a light chain comprising a light chain variable region containing CDR1 having the amino acid sequence of QSLLYSENQKDY (SEQ ID NO: 37), CDR2 having the amino acid sequence of WAT and CDR3 having the amino acid sequence of GQYLVYPFT (SEQ ID NO: 38) and the light chain constant region of an antibody of an animal other than rat; and (b) a heavy chain comprising a heavy chain variable region containing CDR1 having the amino acid sequence of GYTFTSNF (SEQ ID NO: 39), CDR2 having the amino acid sequence of IYPEYGNT (SEQ ID NO: 40) and CDR3 having the amino acid sequence of ASEEAVISLVY (SEQ ID NO: 41) and the heavy chain constant region of an antibody of an animal other than rat. A pharmaceutical composition comprising the above anti-PD-L1 antibody as an active ingredient. A method for preparing the above anti-PD-L1 antibody is also provided.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: April 26, 2022
    Assignees: Fuso Pharmaceutical Industries, Ltd., National University Corporation Hokkaido University
    Inventors: Satoru Konnai, Kazuhiko Ohashi, Shiro Murata, Tomohiro Okagawa, Asami Nishimori, Naoya Maekawa, Yasuhiko Suzuki, Chie Nakajima
  • Patent number: 11290024
    Abstract: A power supply control device according to one or more embodiments may be provided to: control a power conversion device that has a configuration in which a resonant circuit is provided on an output side of a matrix converter including switching circuits having snubber elements, and that performs AC-AC conversion of output from a multi-phase AC power supply. The power supply control device performs control such that: the output current, which has a phase difference caused by the resonant circuit, is negative during a period in which an absolute value of a positive-going output voltage that is output from the power conversion device increases while the output current is positive during a period in which the absolute value of a negative-going output voltage increases; and a polarity of the output current does not change within a period in which the snubber element is discharged.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: March 29, 2022
    Assignees: OMRON Corporation, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Hiroyuki Tokusaki, Takashi Hyodo, Satoshi Ogasawara, Wataru Kodaka
  • Publication number: 20220089942
    Abstract: A rare earth compound including: one or a plurality of rare earth ions; and a ligand coordinated with the rare earth ion and having a condensed polycyclic aromatic group. At least part of the rare earth ions is a terbium(III) ion. The condensed polycyclic aromatic group is a residue formed by removing a hydrogen atom bonded to a condensed aromatic ring in formula (1) below from a condensed polycyclic aromatic compound represented by the following formula (1). Also disclosed is a luminescent body including the rare earth compound.
    Type: Application
    Filed: December 13, 2019
    Publication date: March 24, 2022
    Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yuichi KITAGAWA, Fumiya SUZUE, Yasuchika HASEGAWA, Koji FUSHIMI
  • Patent number: 11282244
    Abstract: Provided are a moving body tracking apparatus that contributes to shortening treatment time and a radiation therapy system including the moving body tracking apparatus, a program, and a moving body tracking method. The moving body tracking apparatus includes a fluoroscopic apparatus that acquires fluoroscopic images including the target 2 from at least two directions, and the moving body tracking control apparatus 30A that obtains a position of the target 2 from the fluoroscopic images acquired by the fluoroscopic apparatus. The moving body tracking control apparatus 30A creates a simulated fluoroscopic image from the CT image including the target 2, creates a two-dimensional region including the target 2 from the simulated fluoroscopic image as a template, matches each of at least two fluoroscopic images with the template, and obtains a three-dimensional position of the target 2 from a plurality of matching results.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: March 22, 2022
    Assignees: HITACHI, LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Toru Umekawa, Koichi Miyazaki, Takaaki Fujii, Shinichi Shimizu, Seishin Takao, Kikuo Umegaki, Naoki Miyamoto, Norio Katoh
  • Patent number: 11252974
    Abstract: An oxidation inhibitor containing, as an active ingredient, an aminocarbonyl compound having a structure resulting from binding of an amino group of a compound having sphingoid base structure and a carbonyl group of a carbonyl compound. The oxidation inhibitor has high oxidation inhibitory effects, and inhibits oxidation of fats and oils, in particular, fats and oils containing a large proportion of polyunsaturated fatty acids to prevent deterioration due to oxidation of fats and oils.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: February 22, 2022
    Assignees: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, MEGMILK SNOW BRAND CO., LTD.
    Inventors: Kazuo Miyashita, Makoto Shiota, Ai Suzuki
  • Publication number: 20220048014
    Abstract: A functional structure which can resist a decrease in the functions of the functional material caused by influences such as force and heat and thus have a long life. The functional structure includes supports each having a porous structure and including a zeolite-type compound, and at least one functional material present in the supports, in which each of the supports has channels communicating with one another, the functional material is present at least in the channel of each of the supports, the functional material present in the supports includes a metal element (M), and the content of the metal element (M) is more than 2.5 mass % with respect to the functional structure.
    Type: Application
    Filed: December 3, 2019
    Publication date: February 17, 2022
    Applicants: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.
    Inventors: Mai NISHII, Yuichiro BANBA, Kaori SEKINE, Yukako NAKAI, Masayuki FUKUSHIMA, Sadahiro KATO, Takao MASUDA, Yuta NAKASAKA, Takuya YOSHIKAWA
  • Patent number: 11248104
    Abstract: A temperature-responsive hydrogel which contains a carboxyl group-bearing polymer and a divalent-metal salt of an organic acid is provided. The carboxyl group-bearing polymer may be a homopolymer of a carboxyl group-bearing monomer or a copolymer of a plurality of monomers including the monomer. A method for producing the temperature-responsive hydrogel involves immersing a carboxyl group-bearing polymer in an aqueous solution of a divalent-metal salt of an organic acid. The concentration of the divalent-metal salt of an organic acid in the aqueous solution may be 50 mM to the saturation concentration. It is possible to provide a temperature-responsive gel having an LCST with no volume phase transition and a method for producing the temperature-responsive gel.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: February 15, 2022
    Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Takayuki Nonoyama, Jian Ping Gong, Yong Woo Lee, Kumi Ota
  • Publication number: 20220032276
    Abstract: A functional structure which can resist a decrease in the function of the functional material and thus have a long life, can be free from the need for complicated replacement operation, can contribute to resource-saving, and can exhibit high catalytic activity when used, for example, as a catalyst. The functional structure includes supports each having porous structure and including a zeolite-type compound, and at least one functional substance present in the supports, in which each of the supports has channels communicating with one another, the functional material is present at least in the channel of each of the supports, and the supports have an average external size of 20 ?m or less.
    Type: Application
    Filed: December 3, 2019
    Publication date: February 3, 2022
    Applicants: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.
    Inventors: Mai NISHII, Yuichiro BANBA, Kaori SEKINE, Yukako NAKAI, Masayuki FUKUSHIMA, Sadahiro KATO, Takao MASUDA, Yuta NAKASAKA, Takuya YOSHIKAWA
  • Publication number: 20220016607
    Abstract: A functional structure which can prevent metal fine particles from aggregating, can suppress bonding of an active metal species and a support, and can easily undergo catalyst activation before being used for reactions. The functional structure includes supports each having a porous structure and including a zeolite-type compound, and at least one functional material precursor present in the supports and including a metal element (M), in which each of the supports has channels communicating with one another, the functional material precursor is present at least in the channel of each of the supports, and the metal element (M) having constituted the functional material precursor is partially substituted with an element having constituted the supports.
    Type: Application
    Filed: December 3, 2019
    Publication date: January 20, 2022
    Applicants: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.
    Inventors: Mai NISHII, Yuichiro BANBA, Kaori SEKINE, Yukako NAKAI, Masayuki FUKUSHIMA, Sadahiro KATO, Hirokazu SASAKI, Shinsuke NISHIDA, Takao MASUDA, Yuta NAKASAKA, Takuya YOSHIKAWA