Patents Assigned to Kumamoto University
  • Patent number: 10138535
    Abstract: A magnesium alloy having high strength and high ductility and in which at least one of corrosion resistance and flame resistance is enhanced, or a method of manufacturing the same. The magnesium alloy contains an atomic % of Ca and b atomic % of Al, totally contains k atomic % of at least one element selected from a group consisting of Mn, Zr, Ag, Y and Nd, has a composition in which a remaining part is formed of Mg and contains c volume % of (Mg, Al)2Ca, a, b, c and k satisfying formulae (1) to (4) and (21) below. The (Mg, Al)2Ca is dispersed and the at least one element is an element that enhances at least one of corrosion resistance and flame resistance: (1) 3?a?7, (2) 4.5?b?12, (3) 1.2?b/a?3.0, (4) 10?c?35, (21) 0<k?0.3.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: November 27, 2018
    Assignee: NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
    Inventors: Yoshihito Kawamura, Michiaki Yamasaki
  • Patent number: 10131777
    Abstract: A method produces a composite of a polymer and tungstic acid and/or molybdic acid; and the composite obtained by the method has high transparency and a desired refractive index. This composite contains tungstic acid and/or molybdic acid and a polymer that has a number average molecular weight of 1,000-10,000,000 and an ether bond and/or an ester bond. The content of tungstic acid and/or molybdic acid in the composite is 0.01-95% by weight.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: November 20, 2018
    Assignee: National University Corporation Kumamoto University
    Inventors: Hirotaka Ihara, Hirokuni Jintoku
  • Publication number: 20180264180
    Abstract: Provided is a biodegradable polymer coating stent effective in delaying the damage of physical properties (particularly radial force) of a core structure. The stent includes a core structure of a bioabsorbable material (e.g., Mg), a first coating layer of a first polymer with biodegradability, and a second coating layer of a second polymer with biodegradability, wherein the first coating layer covers the whole surface of the core structure; the second coating layer covers a part or the whole surface of the first coating layer; the first polymer has a glass transition point of lower than 37° C.; and the second polymer has a glass transition point of 47° C. or higher.
    Type: Application
    Filed: May 24, 2018
    Publication date: September 20, 2018
    Applicants: Japan Medical Device Technology Co., Ltd., National University Corporation Kumamoto University
    Inventors: Makoto SASAKI, Takuro NIIDOME, Zhen Yu JIN, Shuzo YAMASHITA
  • Patent number: 10072249
    Abstract: The purpose of the present invention is to provide a process or method that can be utilized when deriving a three-dimensional structure of a kidney from pluripotent stem cells such as ES cells or iPS cells. The differentiation inducing method is characterized by culturing pluripotent cells with the following three steps, in order: (a) a step of culturing an embryoid body induced from the pluripotent stem cells in medium containing Bmp4 and a high-concentration (concentration A) Wnt agonist; (b) a step of culturing the embryoid body in medium which contains activin, Bmp4, retinoic acid and a middle-concentration (concentration B) Wnt agonist; and (c) a step of culturing the embryoid body in medium containing Fgf9 and a low-concentration (concentration C) Wnt agonist (herein, the Wnt agonist concentrations is concentration A>concentration B>concentration C).
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: September 11, 2018
    Assignee: NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
    Inventors: Ryuichi Nishinakamura, Atsuhiro Taguchi
  • Publication number: 20180244688
    Abstract: Various embodiments relate to a compound of the formula (I): wherein X, X1, R1-R4 and R7 are defined herein, as well as pharmaceutical compositions comprising compounds of the formula (I) and methods of treating an HIV infection comprising administering a therapeutically effective amount of one or more compounds of formula (I), or a pharmaceutical compositions comprising compounds of the formula (I), to a patient in need thereof.
    Type: Application
    Filed: August 17, 2016
    Publication date: August 30, 2018
    Applicants: Purdue Research Foundation, National University Corporation Kumamoto University
    Inventors: Arun K. Ghosh, Hiroaki Mitsuya
  • Patent number: 10034900
    Abstract: An object of the present invention is to provide a method of producing a myeloid blood cell possessing a proliferative capability. According to the present invention, provided is a method of producing a myeloid blood cell possessing a proliferative capability, including forcedly expressing (A) a cMYC gene, and (B) at least one gene selected from the group consisting of a BMI1 gene, an EZH2 gene, an MDM2 gene, an MDM4 gene, and an HIF1A gene in a myeloid blood cell.
    Type: Grant
    Filed: September 28, 2011
    Date of Patent: July 31, 2018
    Assignee: NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
    Inventor: Satoru Senju
  • Patent number: 10036095
    Abstract: An electrolytic treatment method in which a predetermined treatment is performed using treatment subject ions contained in a treatment liquid, the method including: an electrode positioning step for positioning a direct electrode and a counter electrode so as to sandwich the treatment liquid, and positioning an indirect electrode for forming an electric field in the treatment liquid; a treatment subject ion migration step for applying a voltage to the indirect electrode and thereby moving the treatment subject ions in the treatment liquid to the counter electrode side; and a treatment subject ion redox step for applying a voltage between the direct electrode and the counter electrode and thereby oxidizing or reducing the treatment subject ions which have migrated to the counter electrode side.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: July 31, 2018
    Assignees: TOKYO ELECTRON LIMITED, NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
    Inventors: Haruo Iwatsu, Hidenori Akiyama
  • Patent number: 10010059
    Abstract: A method for producing a model animal which has a desired lifetime, and in which a predetermined biological reaction can be induced, and a model animal are provided. The present invention produces a first individual in which a gene of interest is heterozygously deficient using a first ES cell from a non-human mammalian animal. Meanwhile, a fragment containing a homologous gene that has homology to the gene of interest is made, a second ES cell constituted so that a predetermined region on X chromosome of the animal can be substituted is used, and the fragment is introduced into the second ES cell to generate a substituted ES cell in which the predetermined region has been substituted with the fragment. A second individual is produced using the substituted ES cell. The first individual and the second individual are mated with each other to produce a model animal.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: July 3, 2018
    Assignee: NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
    Inventors: Masaki Ohmuraya, Kimi Araki
  • Patent number: 10000739
    Abstract: The purpose of the present invention is to provide a method and a culture medium which are capable of efficiently inducing the differentiation of pluripotent stem cells such as ES cells and iPS cells into desired cells by a simple means. The differentiation of pluripotent stem cells can be induced by culturing mammal-derived pluripotent stem cells in a differentiation culture medium that does not contain at least one amino acid selected from the group consisting of methionine, leucine, cysteine, tyrosine and arginine. Also provided is a differentiation-inducing culture medium which does not contain at least one amino acid selected from the group consisting of methionine, leucine, cysteine, tyrosine and arginine.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: June 19, 2018
    Assignee: NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
    Inventors: Shoen Kume, Fumio Endo, Nobuaki Shiraki, Yasuko Shiraki, Kazuhiko Kume
  • Patent number: 9994868
    Abstract: Provided are a method for preparing a mammalian ovum or embryo in which zona pellucida has been thinned or eliminated, and a method for fertilization using the mammalian ovum prepared by the aforementioned method. The resulting mammalian ovum or embryo is capable of realizing an improved fertilization rate and development rate when used for in vitro fertilization, transplantation of a fertilized ovum, or for preparation of an embryo in the early stages of development used in the production of a genetically modified animal.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: June 12, 2018
    Assignee: NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
    Inventors: Naomi Nakagata, Toru Takeo
  • Publication number: 20180066361
    Abstract: An object of the invention is to provide a thin film manufacturing device which further reduces a load on a substrate. Provided is a thin film manufacturing device for forming a thin film on a substrate by supplying a mist of a solution including a thin-film forming material to the substrate, characterized in that the device includes: a plasma generation unit including a first electrode and a second electrode disposed closer to one surface of the substrate, which generates plasma between the first electrode and the second electrode; and a mist supply unit which passes the mist between the first electrode and the second electrode and supplies the mist to the substrate.
    Type: Application
    Filed: August 18, 2017
    Publication date: March 8, 2018
    Applicants: NIKON CORPORATION, NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
    Inventors: Kei NARA, Makoto NAKAZUMI, Yasutaka NISHI, Yusui NAKAMURA, Takao NAMIHIRA, Norimitsu TAKAMURA
  • Publication number: 20170360833
    Abstract: An object of the present invention is to provide a pluripotent cell having high safety in application to regenerative medicine, and a method for production thereof. Another object of the present invention is to provide a pluripotent cell, particularly, having less concern for safety, such as a problem of cancerization of a cell, and the presence of bacteria in a cell, and a method for production thereof. According to the present invention, there is provided a method for producing a pluripotent cell from a somatic cell. The method comprises a step of inducing reprogramming of a somatic cell, by contacting the cell with a ribosome fraction derived from an organism. Further, according to the present invention, there is provided a composition for inducing reprogramming of a cell, comprising a ribosome fraction derived from an organism.
    Type: Application
    Filed: May 11, 2015
    Publication date: December 21, 2017
    Applicant: National University Corporation Kumamoto University
    Inventors: Kunimasa OHTA, Naofumi ITO
  • Patent number: 9779849
    Abstract: An aluminium-based conductive material used in a driving part of robots or various devices and used, for example, in a wiring that is loaded with cyclic bending, as well as an electric wire and a cable using the same, contains 0.1 to 1.0 mass % of scandium and further contains, as a rest part, aluminium and unavoidable impure substances and is formed of a metal texture 10 having crystal grains 11 with an average grain size of 2 ?m or less and aluminium-scandium series nanoprecipitates generated in a grain boundary 12 of the crystal grains 11. Further, it is preferable that the metal texture 10 contains the crystal grains 11 of 1 ?m or less at a cross sectional ratio of 15% or more.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: October 3, 2017
    Assignees: DYDEN CORPORATION, FUKUOKA PREFECTURAL GOVERNMENT, NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
    Inventors: Hiroyuki In, Fumiyo Annou, Daisuke Matsunaga, Hiromoto Kitahara, Shinji Ando, Masayuki Tsushida, Toshifumi Ogawa
  • Publication number: 20170215394
    Abstract: The present invention provides a method for detection of an inflammatory reaction, which comprises using a transformant or transgenic non-human animal transfected with a vector comprising a promoter for a gene encoding an inflammatory cytokine, a gene encoding a reporter protein, a gene encoding the inflammatory cytokine, and a gene encoding a proteolytic signal sequence to thereby detect an inflammatory reaction induced upon inflammatory stimulation in the transformant or in the transgenic non-human animal.
    Type: Application
    Filed: July 31, 2014
    Publication date: August 3, 2017
    Applicants: TRANSGENIC INC., NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY, NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY
    Inventors: Kenichi YAMAMURA, Takao IWAWAKI, Daisuke OIKAWA, Tomoo ISHIKAWA
  • Publication number: 20170216342
    Abstract: Provided is a pharmaceutical composition for the treatment of disorders such as Niemann-Pick disease and GM1 gangliosidosis which are caused by the storage of cholesterol, such as lysosomal storage disease. Also provided is a method for screening for said pharmaceutical compositions that uses iPS cell strains that phenocopy phentotypes of these disorders. Provided is a pharmaceutical composition for the treatment and/or prevention of lysosomal storage disease, characterized by containing hydroxypropyl-?-cyclodextrin as an active ingredient. Also provided are an iPS cell strain derived from patients suffering from intractable disorders and prepared using a new temperature-sensitive Sendai virus vector, and a screening method for pharmaceuticals using said iPS cell strain.
    Type: Application
    Filed: December 3, 2014
    Publication date: August 3, 2017
    Applicants: NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY, NIHON SHOKUHIN KAKO CO., LTD.
    Inventors: Takumi ERA, Tetsumi IRIE
  • Patent number: 9670225
    Abstract: Various embodiments of the present invention are directed to compounds of the formula (I) or a pharmaceutically acceptable salt, polymorph, prodrug, solvate or clathrate thereof, wherein X1, X2, X3, R1, R2, R11, and n are defined herein. These compounds are useful as inhibitors of HIV-1 protease and, as a result, are useful in the treatment of HIV infection.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: June 6, 2017
    Assignees: Purdue Research Foundation, National University Corporation Kumamoto University
    Inventors: Arun K. Ghosh, Venkateswara Rao Kalapala, Hiroaki Mitsuya
  • Patent number: 9664287
    Abstract: Provided is a shaft seal device provided with a seal member which possesses excellent liquid tightness, small friction resistance and high wear resistance. In a shaft seal device which is arranged around the periphery of a shaft which is supported in a rotatable manner or in a reciprocating manner, and is provided with a seal member for securing liquid tightness around the shaft, the seal member is formed of a porous body formed by using a hydrophilic polymer resin in which chains are cross-linked. The shaft seal device is also characterized in that: the shaft is a shaft which extends between a liquid phase region and a gas phase region; the seal member is a seal member which suppresses a leakage of a liquid to the gas phase region from the liquid phase region; and an aqueous lubricant which is prepared by adding a water soluble thickening agent is impregnated into the seal member.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: May 30, 2017
    Assignee: National University Corporation Kumamoto University
    Inventor: Yoshitaka Nakanishi
  • Patent number: 9617517
    Abstract: A purpose of the present invention is to provide a small chemical compound which especially promotes induction of the differentiation of ES cells into insulin-producing cells. Another purpose of the present invention is to provide: a method for inducing the differentiation of ES cells into insulin-producing cells using the compound; and an agent for promoting induction of the differentiation into insulin-producing cells. Another purpose of the present invention is to provide the thus-induced insulin-producing cells. Provided are: an agent for promoting induction of the differentiation of stem cells derived from a mammal into insulin-producing cells, which contains a compound that is selected from the group consisting of dopamine metabolism inhibitors, serotonin metabolism inhibitors, acetylchotine, acetylcholine degrading enzyme inhibitors and acetylcholine receptor activators; and a method for inducing differentiation using the agent for promoting induction of differentiation.
    Type: Grant
    Filed: May 1, 2012
    Date of Patent: April 11, 2017
    Assignees: NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY, KYOTO UNIVERSITY
    Inventors: Shoen Kume, Daisuke Sakano, Nobuaki Shiraki, Kahoko Umeda, Taiji Yamazoe, Kazuhiko Kume, Motonari Uesugi
  • Patent number: 9604884
    Abstract: There is provided a composite material having excellent adhesion between a resin and a graphene-like carbon material and a method for producing the same. A composite material comprising a substrate comprising a resin, and a graphene-like carbon material layer provided so as to cover at least part of a surface of the substrate, wherein the graphene-like carbon material layer is composed of a graphene-like carbon material obtained by pyrolyzing a polymer in a composition in which the polymer is fixed to graphite or primary exfoliated graphite.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: March 28, 2017
    Assignees: SEKISUI CHEMICAL CO., LTD., NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
    Inventors: Shoji Nozato, Akira Nakasuga, Hirotaka Ihara, Makoto Takafuji, Hullathy Subban Ganapathy, Rika Fukuda
  • Patent number: 9592213
    Abstract: Disclosed is a prophylactic and/or therapeutic agent for dysmenorrhea and/or associated symptoms thereof. Specifically disclosed is a prophylactic and/or therapeutic agent for dysmenorrhea and/or associated symptoms thereof, which comprises tranilast as an active ingredient thereof.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: March 14, 2017
    Assignees: National University Corporation Kumamoto University, Keio University, Link Genomis, Inc.
    Inventors: Hidetaka Katabuchi, Ritsuo Honda, Hideyuki Saya, Yoshimi Arima, Shinichiro Niwa, Yasutaka Makino