Patents Assigned to University of Yamanashi
  • Publication number: 20190256993
    Abstract: The present disclosure provides the hydrogen evolution catalyst having superior hydrogen generation efficiency. According to the present disclosure, there is provided a hydrogen evolution catalyst comprising a platinum skin layer on a surface of an alloy nanoparticle composed of an alloy of platinum and transition metal.
    Type: Application
    Filed: February 7, 2019
    Publication date: August 22, 2019
    Applicant: UNIVERSITY OF YAMANASHI
    Inventors: Hiroyuki Uchida, Shinji Nohara, Hiroshi Yano
  • Patent number: 10355285
    Abstract: A membrane-electrode assembly including a catalyst layer that includes a catalyst-supporting carrier in which a catalyst is supported on a carrier made of an inorganic oxide, and a highly hydrophobic substance having a higher degree of hydrophobicity than the inorganic oxide, the catalyst layer being formed on at least one surface of a polymer electrolyte membrane. It is preferable that, in the membrane-electrode assembly, the degree of hydrophobicity of the highly hydrophobic substance is from 0.5 vol % to 45 vol % at 25° C., the degree of hydrophobicity being defined as a concentration of methanol (vol %) when a light transmittance of a dispersion obtained by dispersing the highly hydrophobic substance in a mixed solution of water and methanol reaches 80%.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: July 16, 2019
    Assignees: MITSUI MINING & SMELTING CO., LTD., UNIVERSITY OF YAMANASHI
    Inventors: Koji Taniguchi, Masahiro Watanabe, Makoto Uchida, Katsuyoshi Kakinuma
  • Patent number: 10333152
    Abstract: A fuel cell system and a method of operating the same is provided that is capable of reducing degradation of a cathode catalyst of a fuel cell. A fuel cell system is provided that includes a fuel cell having a catalyst used for an anode, wherein a carrier of the catalyst is composed of a material with a property where electric resistance in an oxygen containing atmosphere is greater than electric resistance in a hydrogen atmosphere; and a control device configured to control the fuel cell, when supply of fuel gas is stopped during stoppage of operation of the fuel cell, to consume all or part of the fuel gas in a fuel gas chamber, followed by introducing oxygen containing gas into the fuel gas chamber.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: June 25, 2019
    Assignee: UNIVERSITY OF YAMANASHI
    Inventors: Makoto Uchida, Katsuyoshi Kakinuma, Masahiro Watanabe, Akihiro Iiyama
  • Patent number: 10314834
    Abstract: According to the present invention, there is provided a pharmaceutical composition for treating Philadelphia chromosome positive lymphocytic leukemia, including a thalidomide derivative and BCR-ABL tyrosine kinase inhibitor. According to the present invention there is also provided a method of treating Philadelphia chromosome positive lymphocytic leukemia, including administering a thalidomide derivative and a BCR-ABL tyrosine kinase inhibitor to a patient suffering from Philadelphia chromosome positive lymphocytic leukemia.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: June 11, 2019
    Assignees: UNIVERSITY OF YAMANASHI, TOKAI UNIVERSITY EDUCATIONAL SYSTEM
    Inventors: Kanji Sugita, Kiyoshi Ando
  • Patent number: 10287409
    Abstract: The present invention provides an anion exchange resin capable of producing an electrolyte membrane for a fuel cell, a binder for forming an electrode catalyst layer and a battery electrode catalyst layer. The anion exchange resin of the present invention has a hydrophobic unit, a hydrophilic unit and divalent fluorine-containing groups. The hydrophobic unit has divalent hydrophobic groups composed of one aromatic ring or a plurality of aromatic rings that are repeated via carbon-carbon bond. The hydrophilic unit has divalent hydrophilic groups composed of one aromatic ring or a plurality of aromatic rings, at least one of which has an anion exchange group, that are repeated via carbon-carbon bond. The divalent fluorine-containing groups have a specific structure and are bonded via carbon-carbon bond to the hydrophobic unit and/or the hydrophilic unit and/or a moiety other than these units.
    Type: Grant
    Filed: August 22, 2015
    Date of Patent: May 14, 2019
    Assignees: TAKAHATA PRECISION JAPAN CO., LTD., UNIVERSITY OF YAMANASHI
    Inventors: Manai Shimada, Naoki Yokota, Kenji Miyatake, Masahiro Watanabe, Junpei Miyake, Hideaki Ono, Eriko Nishino, Koichiro Asazawa
  • Patent number: 10208096
    Abstract: According to the present invention, a mutant rhodocytin lacking platelet aggregation ability is provided. According to the present invention, a pharmaceutical composition including a mutant rhodocytin lacking platelet aggregation ability is provided. According to the present invention, there is provided a method for inhibiting platelet aggregation by a platelet aggregating substance, including administering a pharmaceutical composition including a mutant rhodocytin lacking platelet aggregation ability to a subject in need thereof.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: February 19, 2019
    Assignee: University of Yamanashi
    Inventors: Tomoyuki Sasaki, Toshiaki Shirai, Katsue Inoue
  • Publication number: 20190030514
    Abstract: An electrode catalyst support, capable of improving the power of a fuel cell, and an electrode catalyst and a solid polymer fuel cell using the same. Provided is carbon black wherein pores which are at most 6 nm in pore diameter have a cumulative pore volume of less than 0.25 cm3/g, a specific surface area by BET is 500 to 900 m2/g, and a volatile matter content is 1.0 to 10.0%. Also provided are an electrode catalyst for a fuel cell comprising a support which includes this carbon black, and a solid polymer fuel cell having the electrode catalyst.
    Type: Application
    Filed: November 28, 2016
    Publication date: January 31, 2019
    Applicants: University of Yamanashi, Denka Company Limited
    Inventors: Makoto UCHIDA, Katsuyoshi KAKINUMA, Daiki IKEDA, Yusaku HARADA, Takeshi MIYAKAWA
  • Publication number: 20190027767
    Abstract: An anion exchange resin capable of producing an electrolyte membrane, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer, which have improved chemical properties and mechanical properties; an electrolyte membrane and a binder for forming an electrode catalyst layer produced from the anion exchange resin; and a fuel cell having the electrolyte membrane or the electrode catalyst layer.
    Type: Application
    Filed: July 24, 2018
    Publication date: January 24, 2019
    Applicants: UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION JAPAN CO., LTD.
    Inventors: Kenji MIYATAKE, Junpei MIYAKE, Hideaki ONO, Manai SHIMADA, Naoki YOKOTA, Natsumi YOSHIMURA, Aoi TAKANO, Koichiro ASAZAWA, Eriko NISHINO, Yui KUWABARA
  • Publication number: 20190027768
    Abstract: An anion exchange resin capable of producing an electrolyte membrane, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer, which have improved electrical properties; an electrolyte membrane and a binder for forming an electrode catalyst layer produced from the anion exchange resin; and a fuel cell having the electrolyte membrane or the electrode catalyst layer.
    Type: Application
    Filed: July 24, 2018
    Publication date: January 24, 2019
    Applicants: UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION JAPAN CO., LTD.
    Inventors: Kenji MIYATAKE, Junpei MIYAKE, Hideaki ONO, Manai SHIMADA, Naoki YOKOTA, Natsumi YOSHIMURA, Aoi TAKANO, Koichiro ASAZAWA, Eriko NISHINO, Yui KUWABARA
  • Publication number: 20180265626
    Abstract: Provided are an anion exchange resin being capable of producing an electrolyte membrane for a fuel cell, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer, which have an improved physical property (anion conductivity); a method for producing thereof; an electrolyte membrane for a fuel cell, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer produced from the anion exchange resin; and a fuel cell having the electrolyte membrane or the electrode catalyst layer.
    Type: Application
    Filed: September 20, 2016
    Publication date: September 20, 2018
    Applicants: University of Yamanashi, Takahata Precision Japan Co., Ltd.
    Inventors: Kenji MIYATAKE, Junpei MIYAKE, Hideaki ONO, Manai SHIMADA, Naoki YOKOTA, Natsumi YOSHIMURA, Koichiro ASAZAWA, Eriko NISHINO
  • Publication number: 20180243284
    Abstract: According to the present invention, there is provided a pharmaceutical composition for treating Philadelphia chromosome positive lymphocytic leukemia, including a thalidomide derivative and BCR-ABL tyrosine kinase inhibitor. According to the present invention there is also provided a method of treating Philadelphia chromosome positive lymphocytic leukemia, including administering a thalidomide derivative and a BCR-ABL tyrosine kinase inhibitor to a patient suffering from Philadelphia chromosome positive lymphocytic leukemia.
    Type: Application
    Filed: September 9, 2016
    Publication date: August 30, 2018
    Applicants: UNIVERSITY OF YAMANASHI, TOKAI UNIVERSITY EDUCATIONAL SYSTEM
    Inventors: Kanji SUGITA, Kiyoshi ANDO
  • Publication number: 20180236535
    Abstract: A leakage of a molten metal is suppressed at the time of pouring.
    Type: Application
    Filed: September 1, 2017
    Publication date: August 23, 2018
    Applicants: SINTOKOGIO, LTD., UNIVERSITY OF YAMANASHI
    Inventors: Yoshiyuki NODA, Yuta SUEKI, Makio SUZUKI, Kazuhiro OTA
  • Publication number: 20180223033
    Abstract: An object of the present invention is to provide a crosslinkable composition as a new crosslinking precursor, comprising a multifunctional epoxy compound using a plant component as a raw material, and a cured product obtained by curing the crosslinkable composition. The present invention provides a crosslinkable composition comprising: a plant-based multifunctional epoxy compound; and a crosslinking agent, wherein the multifunctional epoxy compound is obtained by multifunctionalizing limonene oxide, and the crosslinking agent is a polyalkyleneimine.
    Type: Application
    Filed: January 31, 2018
    Publication date: August 9, 2018
    Applicant: University of Yamanashi
    Inventors: Hisatoyo Morinaga, Mayu Sakamoto
  • Patent number: 10011912
    Abstract: Provided is a hydrogen refining pressure-boosting device which is durable even in a high-pressure environment. This hydrogen refining pressure-boosting device produces, from a hydrogen-containing gas, a refined hydrogen gas having higher pressure and higher purity than the hydrogen-containing gas. The hydrogen refining pressure-boosting device is equipped with multiple stacked cell structures, and a pressing structure that applies tightening stress in the direction in which the cell structures are stacked. In this hydrogen refining pressure-boosting device the flow path surface of a cathode-side separator is sized so as to be contained on the inside of the flow path surface of an anode-side separator, in the direction of a plane parallel to a solid polymer electrolyte membrane.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: July 3, 2018
    Assignee: UNIVERSITY OF YAMANASHI
    Inventor: Masahiro Watanabe
  • Publication number: 20180178210
    Abstract: A cation exchange resin having improved chemical properties and mechanical properties, and a cation exchange membrane and an electrolyte membrane for a fuel cell using the same are provided. A cation exchange resin is used, the cation exchange resin comprising: a divalent hydrophobic unit; and a divalent hydrophilic unit having divalent hydrophilic groups which are repeated via carbon-carbon bond, the divalent hydrophilic groups being composed of one aromatic ring, or being composed of a plurality of aromatic rings which are bonded to each other via a divalent hydrocarbon group, a divalent silicon-containing group, a divalent nitrogen-containing group, a divalent phosphorus-containing group, a divalent oxygen-containing group, a divalent sulfur-containing group, or carbon-carbon bond, at least one of the aromatic rings having a cation exchange group; wherein the hydrophobic unit and the hydrophilic unit are bonded to each other via carbon-carbon bond.
    Type: Application
    Filed: June 29, 2016
    Publication date: June 28, 2018
    Applicants: University of Yamanashi, Takahata Precision Japan Co., Ltd.
    Inventors: Kenji MIYATAKE, Makoto UCHIDA, Jyunpei MIYAKE, Takashi MOCHIZUKI, Hideaki ONO, Manai SHIMADA, Naoki YOKOTA, Natsumi YOSHIMURA
  • Patent number: 9985309
    Abstract: The present invention aims to provide a hydrocarbon-based polymer electrolyte which is excellent in processability and proton conductivity, especially proton conductivity at low water content, and a membrane thereof. The polymer electrolyte contains, in its main chain, a repeating unit represented by the following formula (1): wherein Ar represents a benzene or naphthalene ring, or a derivative thereof in which one or more of the ring-forming carbon atoms is replaced by a hetero atom; X represents a proton or a cation; a and b are each an integer of 0 to 4, and the sum of a's and b's is 1 or greater; m represents an integer of 1 or greater; and n represents an integer of 0 or greater.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: May 29, 2018
    Assignees: KANEKA CORPORATION, UNIVERSITY OF YAMANASHI
    Inventors: Takahiro Miyahara, Masahiro Watanabe, Kenji Miyatake
  • Patent number: 9979064
    Abstract: A tunable dual-band resonator and a tunable dual-band band-pass filter using the tunable dual-band resonator. The dual-band resonator is structured such that a stub is added to each half-wavelength resonator provided with half-wavelength resonator protrusions (capacity-component adjust parts). The dual-band resonator is made up of an odd-number mode resonator in a shape including a ground conductor disposed on the back surface of a dielectric body, and a strip conductor disposed on the top surface thereof, and an even-number mode resonator in such a shape as to be formed when the stub is connected to an end face on the opposite side of the open-end of the strip, characterized in that a dielectric rod having a circular cross section is provided in the space above the respective stubs and another dielectric rod having a circular cross section is provided in the space above the half-wavelength resonator protrusions.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: May 22, 2018
    Assignees: UNIVERSITY OF YAMANASHI, THE JAPAN STEEL WORKS, LTD.
    Inventors: Naoto Sekiya, Katsuhiro Terao, Kazuhito Kishida, Yasuo Sato, Noritaka Kitada
  • Patent number: 9975177
    Abstract: To enable a ladle-tilting automatic pouring device to take less time for identification of the parameters and the device to pour highly precisely by sequentially updating pouring model parameters according to the pouring situation, the present pouring control method is based on a mathematical model of a process from input of control parameters to pouring of molten metal, the method including: identifying, using an optimization technique, a flow rate coefficient, a liquid density, and a pouring start angle that is a tilting angle of the pouring ladle when the flowing of the molten metal starts, which are the control parameters in the mathematical model, based on weight of liquid that flows out of the pouring ladle and tilting angle of the ladle that are measured during pouring, and a command signal that controls the tilting of the pouring ladle; and updating the control parameters to the identified control parameters.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: May 22, 2018
    Assignees: National University Corporation University of Yamanashi, Sintokogio, Ltd., National University Corporation Toyohashi University of Technology
    Inventors: Yoshiyuki Noda, Takaaki Tsuji, Makio Suzuki, Kazuhiko Terashima
  • Patent number: 9931624
    Abstract: An anion exchange resin having a hydrophobic unit with divalent hydrophobic groups bonded to each other via an ether bond, the divalent hydrophobic groups being composed of one aromatic ring, or being composed of a plurality of aromatic rings which are bonded to each other via a divalent hydrocarbon group, carbon-carbon bond or the like; and a hydrophilic unit having divalent hydrophilic groups bonded to each other via carbon-carbon bond, the divalent hydrophilic groups being composed of one aromatic ring, or being composed of a plurality of aromatic rings which are bonded to each other via a divalent hydrocarbon group or carbon-carbon bond, the aromatic ring or at least one of the aromatic rings having an anion exchange group are bonded via carbon-carbon bond.
    Type: Grant
    Filed: February 28, 2015
    Date of Patent: April 3, 2018
    Assignees: TAKAHATA PRECISION JAPAN CO., LTD., UNIVERSITY OF YAMANASHI
    Inventors: Naoki Yokota, Manai Shimada, Kenji Miyatake, Masahiro Watanabe, Junpei Miyake, Eriko Nishino, Koichiro Asazawa
  • Publication number: 20180048282
    Abstract: There is provided a bonded substrate including: a quartz substrate; and a piezoelectric substrate which is bonded on the quartz substrate and on which a surface acoustic wave propagates, wherein the quartz substrate and the piezoelectric substrate are bonded at a bonding interface through covalent bonding, and a surface acoustic wave element having a higher phase velocity and a higher electromechanical coupling factor than conventional one is obtained by disposing an interdigital electrode on a principal surface of the piezoelectric substrate.
    Type: Application
    Filed: February 3, 2017
    Publication date: February 15, 2018
    Applicants: THE JAPAN STEEL WORKS, LTD., WASEDA UNIVERSITY, UNIVERSITY OF YAMANASHI
    Inventors: Kouhei KURIMOTO, Kazuhito KISHIDA, Rinzo KAYANO, Jun MIZUNO, Shoji KAKIO