Patents Assigned to National University Corporation University of Toyama
  • Patent number: 11970549
    Abstract: The invention provides an antibody that specifically binds to a 5? to 3? exonuclease domain of a DNA polymerase, or a fragment thereof. The antibody inhibits the 5? to 3? exonuclease activity of a DNA polymerase, or a fragment thereof.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: April 30, 2024
    Assignees: TOYOBO CO., LTD., NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA
    Inventors: Takafumi Yoshikane, Nobuyuki Kurosawa, Masaharu Isobe
  • Publication number: 20240041497
    Abstract: To ensure that a biodegradable medical implement dissolves in vivo at an appropriate dissolution rate. The biodegradable medical implement of the present invention is formed of a magnesium material, and, at least in one transverse section, a layer of magnesium crystal grains in which a (0001) plane in a hexagonal crystal structure is oriented toward a surface side is continuous over an entire circumference.
    Type: Application
    Filed: November 29, 2021
    Publication date: February 8, 2024
    Applicants: NITTO SEIKO CO., LTD., KYOTO PREFECTURAL PUBLIC UNIVERSITY CORPORATION, NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA
    Inventors: Masakazu Ishihara, Yoshimitsu Ueno, Tomoaki Murata, Yukito Otsuki, Yusuke Kobayashi, Yoshinobu Oka, Wook-Cheol Kim, Tetsuo Aida, Sadami Tsutsumi
  • Patent number: 11655273
    Abstract: Provided are a ligand-bearing substrate which has a surface at least partially coated with a polymer (P3) containing structural units represented by the formulae (1a) and (1b) (in the formulae, R1, R2, X, Y, L, Q1, Q2, Q3, m1, m2 and n are as described in the claims and description); a raw material for such a substrate; and a method for producing such substrates.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: May 23, 2023
    Assignees: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA, NISSAN CHEMICAL CORPORATION
    Inventors: Hiromi Kitano, Tadashi Nakaji, Yuki Usui, Taito Nishino, Takahiro Kishioka
  • Publication number: 20230140801
    Abstract: The invention provides an antibody that specifically binds to a 5? to 3? exonuclease domain of a DNA polymerase, or a fragment thereof. The antibody inhibits the 5? to 3? exonuclease activity of a DNA polymerase, or a fragment thereof.
    Type: Application
    Filed: December 10, 2021
    Publication date: May 4, 2023
    Applicants: TOYOBO CO., LTD., NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA
    Inventors: Takafumi YOSHIKANE, Nobuyuki KUROSAWA, Masaharu ISOBE
  • Patent number: 11479537
    Abstract: A new analgesic has been developed for T-type calcium channels as therapeutic targets. The present invention provides a T-type calcium channel inhibitor which is a compound represented by formula (1): wherein each of R1 and R2 independently represents —H or —OH; R3 represents —OH; R4 represents —OH or —H; R5 represents a straight or branched alkyl or cycloalkyl-alkyl group having one to ten carbon atoms or a straight or branched alkenyl or cycloalkyl-alkenyl group having two to ten carbon atoms, or a pharmaceutically acceptable salt or solvate thereof. The present invention also provides this T-type calcium channel inhibitor, a medicament containing the T-type calcium channel inhibitor, and a therapeutic or prophylactic agent for a disease having an effective T-type calcium channel inhibitory action.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: October 25, 2022
    Assignees: KINKI UNIVERSITY, NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA, FUSO PHARMACEUTICAL INDUSTRIES, LTD.
    Inventors: Atsufumi Kawabata, Fumiko Sekiguchi, Maho Tsubota, Naoki Toyooka, Hiroyuki Nishikawa
  • Patent number: 11268173
    Abstract: A magnesium alloy containing Al, Sr, Ca, and Mn, with the balance being Mg and inevitable impurities, the magnesium alloy having: a structure having an ?-Mg phase, and a precipitate dispersed in at least one of a grain boundary of the ?-Mg phase and a cell boundary, the precipitate including: at least one phase selected from a group A consisting of an Al2Sr phase, an Al4Sr phase, a (Mg, Al)2Sr phase, and a (Mg, Al)4Sr phase; and at least one phase selected from a group B consisting of an Al2Ca phase and a (Mg, Al)2Ca phase, the magnesium alloy having, in a cross section, a total area rate of a group A precipitate and a group B precipitate of greater than or equal to 2.5% and less than or equal to 30%.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: March 8, 2022
    Assignees: Sumitomo Electric Industries, Ltd., National University Corporation University of Toyama
    Inventors: Manabu Mizutani, Katsuhito Yoshida, Seiji Saikawa
  • Publication number: 20210130788
    Abstract: Provided are a ligand-bearing substrate which has a surface at least partially coated with a polymer (P3) containing structural units represented by the formulae (1a) and (1b) (in the formulae, R1, R2, X, Y, L, Q1, Q2, Q3, m1, m2 and n are as described in the claims and description); a raw material for such a substrate; and a method for producing such substrates.
    Type: Application
    Filed: July 9, 2018
    Publication date: May 6, 2021
    Applicants: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA, NISSAN CHEMICAL CORPORATION
    Inventors: Hiromi KITANO, Tadashi NAKAJI, Yuki USUI, Taito NISHINO, Takahiro KISHIOKA
  • Publication number: 20210102239
    Abstract: A method for enabling rapid and accurate determination of the number of bacterial cells in a specimen using a PCR method includes the following steps: (1) a first PCR step of carrying out a PCR method using a nucleic acid derived from a specimen as a template and a universal primer pair for amplifying a bacterial 16S rRNA gene to obtain a first amplification product; (2) a second PCR step of carrying out a nested PCR method using a primer pair(s) for amplifying an internal sequence(s) of the sequence of the first amplification product obtained by the first PCR step to obtain a second amplification product; and (3) a bacterial number determination step of obtaining the number of bacterial cells in the specimen based on the amount of the second amplification product obtained in the second PCR step and using calibration data.
    Type: Application
    Filed: June 21, 2018
    Publication date: April 8, 2021
    Applicants: MITSUI CHEMICALS, INC., NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA
    Inventors: Hideki Niimi, Isao Kitajima, Akio MIYAKOSHI, Yoshitsugu HIGASHI
  • Publication number: 20200354819
    Abstract: A magnesium alloy containing Al, Sr, Ca, and Mn, with the balance being Mg and inevitable impurities, the magnesium alloy having: a structure having an ?-Mg phase, and a precipitate dispersed in at least one of a grain boundary of the ?-Mg phase and a cell boundary, the precipitate including: at least one phase selected from a group A consisting of an Al2Sr phase, an Al4Sr phase, a (Mg, Al)2Sr phase, and a (Mg, Al)4Sr phase; and at least one phase selected from a group B consisting of an Al2Ca phase and a (Mg, Al)2Ca phase, the magnesium alloy having, in a cross section, a total area rate of a group A precipitate and a group B precipitate of greater than or equal to 2.5% and less than or equal to 30%.
    Type: Application
    Filed: November 15, 2018
    Publication date: November 12, 2020
    Applicants: Sumitomo Electric Industries, Ltd., NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA
    Inventors: Manabu MIZUTANI, Katsuhito YOSHIDA, Seiji SAIKAWA
  • Patent number: 10660935
    Abstract: A peptide consisting of an amino acid sequence of GPPGPAG (SEQ ID NO: 1) is disclosed. According to the present invention, a novel compound for improving memory disorder is provided.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: May 26, 2020
    Assignees: JAPAN BIO PRODUCTS Co., Ltd., National University Corporation University of Toyama
    Inventors: Chihiro Tohda, Taiichi Kaku, Hiroyuki Miyazaki
  • Patent number: 10501813
    Abstract: Disclosed is a thermostable DNA polymerase preparation which can illimitably reduce the risk of false positivity in the detection of a subject microorganism utilizing a gene amplification reaction and therefore enables the selective amplification of DNA for detecting the subject microorganism even when the amount of the subject microorganism is small and therefore the amount of DNA collected therefrom is extremely small, and can be produced at a reduced cost. Also disclosed is a method for quantifying or quantifying/identifying a subject organism to be detected rapidly, conveniently and with high sensitivity using the preparation of the present invention.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: December 10, 2019
    Assignees: HOKKAIDO MITSUI CHEMICALS INC., NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA
    Inventors: Homare Tabata, Hiroshi Minami, Hideki Niimi, Isao Kitajima, Tomohiro Ueno, Shiroh Hayashi, Masashi Mori
  • Publication number: 20190358287
    Abstract: A peptide consisting of an amino acid sequence of GPPGPAG (SEQ ID NO: 1) is disclosed. According to the present invention, a novel compound for improving memory disorder is provided.
    Type: Application
    Filed: August 18, 2017
    Publication date: November 28, 2019
    Applicants: JAPAN BIO PRODUCTS Co., Ltd., National University Corporation University of Toyama
    Inventors: Chihiro TOHDA, Taiichi KAKU, Hiroyuki MIYAZAKI
  • Patent number: 10479836
    Abstract: The present invention relates to a therapeutic agent for pulmonary hypertension comprising an interleukin-5 receptor (hereinafter, abbreviated to “IL-5R”)-inhibiting compound and therapeutic method therefor. More specifically, the present invention relates to a therapeutic agent for pulmonary hypertension comprising an antibody or an antibody fragment capable of specifically binding to the extracellular region of IL-5R and a therapeutic method therefor.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: November 19, 2019
    Assignees: National University Corporation University of Toyama, KYOWA KIRIN CO., LTD.
    Inventors: Masashi Ikutani, Kiyoshi Takatsu, Hiromi Ehara, Ikuko Fujino, Shinya Ogawa
  • Patent number: 10416165
    Abstract: A method for separating cells capable of producing target antigen-specific monoclonal antibodies (TASMAs) wherein a cell group including antibody-producing cells is immobilized using a reversible crosslinking agent having cell membrane-permeating properties. The immobilized cell group is subjected to cell membrane dissolution using a surface active agent; and the cell group is reacted with a labeling target antigen. In the stained cell group a that has reacted with the labeling target antigen is separated. A method to produce TASMAs by separating mRNA from the cell separated using the method; preparing cDNA and preparing antigen-specific monoclonal antibodies or fragments thereof from the prepared cDNA. Also provided are a method whereby at least one cell capable of producing TASMAs is separated and a method whereby said antibodies can be produced by using the separated cell.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: September 17, 2019
    Assignee: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA
    Inventors: Nobuyuki Kurosawa, Masaharu Isobe
  • Publication number: 20180371583
    Abstract: A magnesium alloy is provided that includes: 5.0 mass % or more and 15.0 mass % or less of Al; 2.5 mass % or more and 7.0 mass % or less of Sr; 0.05 mass % or more and less than 3.0 mass % of Ca; and 0.1 mass % or more and 0.6 mass % or less of Mn, with a remainder including Mg and inevitable impurities.
    Type: Application
    Filed: July 13, 2017
    Publication date: December 27, 2018
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA
    Inventors: Manabu MIZUTANI, Katsuhito YOSHIDA, Nozomu KAWABE, Seiji SAIKAWA
  • Publication number: 20180292407
    Abstract: A method for separating cells capable of producing target antigen-specific monoclonal antibodies (TASMAs) wherein a cell group including antibody-producing cells is immobilized using a reversible crosslinking agent having cell membrane-permeating properties. The immobilized cell group is subjected to cell membrane dissolution using a surface active agent; and the cell group is reacted with a labeling target antigen. In the stained cell group a that has reacted with the labeling target antigen is separated. A method to produce TASMAs by separating mRNA from the cell separated using the method; preparing cDNA and preparing antigen-specific monoclonal antibodies or fragments thereof from the prepared cDNA. Also provided are a method whereby at least one cell capable of producing TASMAs is separated and a method whereby said antibodies can be produced by using the separated cell.
    Type: Application
    Filed: August 10, 2016
    Publication date: October 11, 2018
    Applicant: National University Corporation University of Toyama
    Inventors: Nobuyuki Kurosawa, Masaharu Isobe
  • Patent number: 10023943
    Abstract: An Al—Mg—Si-based aluminum alloy includes 0.015 to 0.12 mass % of Sr, the aluminum alloy producing a cast metal structure in which Mg2Si is crystallized in a fine agglomerate form.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: July 17, 2018
    Assignees: National University Corporation University of Toyama, Ahresty Corporation
    Inventors: Seiji Saikawa, Gen Okazawa, Hiroshige Niwa, Kiyoshi Terayama, Susumu Ikeno, Emi Yanagihara, Shin Orii, Suguru Takeda
  • Patent number: 9907852
    Abstract: The purpose of the present invention is to provide an anticancer agent for potentiating an antitumor effect, alleviating side effects, and further extending the survival rate by concomitant use with a component having an anticancer effect. An anticancer agent combining arctigenin and a component other than arctigenin that has an anticancer effect, in which the anticancer agent may be a combination drug or may be a kit configured from a formulation containing arctigenin and a formulation containing a component that has an anticancer effect, and the concomitant use of arctigenin and the component having an anticancer effect more strongly inhibits tumor growth and reduces the proportion of cancer stem cells in the tumor, making it possible to extend the total survival time and to alleviate side effects caused by the component having an anticancer effect.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: March 6, 2018
    Assignees: National University Corporation University of Toyama, Kracie Pharma, Ltd., National Cancer Center, Tokyo University of Science Foundation
    Inventors: Hiroyasu Esumi, Masafumi Ikeda, Katsuya Tsuchihara, Shigeki Chiba, Satoshi Yomoda, Takanori Kawashima, Toshiki Okubo, Yasuhiro Tezuka, Kenta Murata
  • Publication number: 20180057860
    Abstract: Disclosed is a thermostable DNA polymerase preparation which can illimitably reduce the risk of false positivity in the detection of a subject microorganism utilizing a gene amplification reaction and therefore enables the selective amplification of DNA for detecting the subject microorganism even when the amount of the subject microorganism is small and therefore the amount of DNA collected therefrom is extremely small, and can be produced at a reduced cost. Also disclosed is a method for quantifying or quantifying/identifying a subject organism to be detected rapidly, conveniently and with high sensitivity using the preparation of the present invention.
    Type: Application
    Filed: August 28, 2017
    Publication date: March 1, 2018
    Applicants: Hokkaido Mitsui Chemicals Inc., National University Corporation University of Toyama
    Inventors: Homare Tabata, Hiroshi Minami, Hideki Niimi, Isao Kitajima, Tomohiro Ueno, Shiroh Hayashi, Masashi Mori
  • Patent number: 9700572
    Abstract: The present invention is intended to provide a novel anticancer agent which is effective to a cancer. After administering an agent prepared using burdock fruit extract to a pancreas cancer patient so that a dose of arctigenin was 100 mg or more per day, the tumor reducing effect was observed, and, in addition, lowering of tumor markers was confirmed. The present invention provides an anticancer agent containing arctigenin, wherein a dose of the arctigenin is 100 mg or more per day. In addition, the present invention provides the anticancer agent containing arctigenin and arctiin at a weight ratio of arctigenin/arctiin=0.7 to 1.3.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: July 11, 2017
    Assignees: National Cancer Center, Kracie Pharma, Ltd., National University Corporation University of Toyama
    Inventors: Hiroyasu Esumi, Masafumi Ikeda, Chika Miyoshi, Shigetoshi Kadota, Toshiki Okubo, Satoshi Yomoda, Takafumi Fuse, Takanori Kawashima, Shigeki Chiba