Patents Assigned to Japan Science and Technology Agency
  • Publication number: 20230257334
    Abstract: [Solution] The present invention relates to a method for partially oxidizing an alkane, including contacting an alkane with a supported catalyst in a presence of an oxidizer to convert the alkane into an aldehyde, wherein the supported catalyst is composed of a bimetallic oxide and a support carrying the bimetallic oxide, and the bimetallic oxide is represented by the following formula and includes oxygen and two metals selected from metals of groups 8 to 10 of the periodic table: AmBnOx wherein the bimetallic oxide and support are each a metal selected from metallic elements of groups 8 to 10 of the periodic table; the bimetallic oxide and support are not the same metallic element; m, n, and x mean amounts ((mmol)) of the bimetallic oxide, the support, and oxygen, respectively, per 1 g of the supported catalyst; m is more than 0 [mmol/g-cat] and less than 1 [mmol/g-cat]; n is more than 0 [mmol/g-cat] and less than 1 [mmol/g-cat]; and x is a value [mmol/g-cat] satisfying oxidation states of the bimetall
    Type: Application
    Filed: June 30, 2021
    Publication date: August 17, 2023
    Applicant: Japan Science and Technology Agency
    Inventors: Xiaohong Li, Hiroyuki Imai, Yang Song, Atsushi Takagaki, Kyoko Bando, Junichi Murakami, Toshitaka Kubo, Tetsuya Kodaira
  • Publication number: 20230249150
    Abstract: A method for manufacturing a porous film includes: a first step of preparing droplets (D) which are formed from a first liquid into spheres with a predetermined diameter of 10 ?m or more and 2000 ?m or less and a second liquid (L2) which includes a curing agent which cures by imparting energy or a curing agent which cures due to change in pH and includes droplets dispersed therein; a second step of injecting the droplets and the second liquid into a gap between a pair of substrates (31 and 32); a third step of curing the second liquid to form an external phase; and the fourth step of removing the droplets in the external phase to form hole sections.
    Type: Application
    Filed: March 20, 2023
    Publication date: August 10, 2023
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Yosuke IWAI, Yoshiaki UCHIDA, Hiroshi YABU
  • Publication number: 20230241593
    Abstract: The present invention is related to an oxynitride-hydride which is capable of achieving both stabilization and improvement of catalyst performance when used as a support, and the oxynitride-hydride can be easily synthesized. The oxynitride-hydride is represented by the following general formula (1), AnBmOl-xNyHz??(1) wherein in the general formula (1), x represents a number represented by 0.1?x?3.5; y represents a number represented by 0.1?y?2.0; and z represents a number represented by 0.1?z?2.0.
    Type: Application
    Filed: February 16, 2021
    Publication date: August 3, 2023
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Masaaki KITANO, Hideo HOSONO, Toshiharu YOKOYAMA, Jun KUJIRAI, Kiya OGASAWARA
  • Publication number: 20230231069
    Abstract: This thin film is a thin film for detecting circularly polarized light, and includes a plurality of inorganic layers constituting a layered structure and/or a plurality of inorganic chains constituting a chain structure, which are formed of a perovskite type substance, and chiral molecules incorporated in at least a part of a boundary part between the adjacent inorganic layers and/or between the inorganic chains, wherein the chiral molecules include only one of S-form chiral molecules and R-form chiral molecules or chiral molecules with a higher abundance proportion of one of S-form chiral molecules and R-form chiral molecules than an abundance proportion of the other of S-form chiral molecules and R-form chiral molecules, and wherein the crystal structure of the perovskite type substance is oriented in a predetermined direction.
    Type: Application
    Filed: May 25, 2021
    Publication date: July 20, 2023
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Ayumi NIHEI, Tsutomu MIYASAKA
  • Publication number: 20230198398
    Abstract: A power conversion circuit includes a first capacitor coupled between an input terminal and a reference potential, a second capacitor coupled between an output terminal and a reference potential, an inductor coupled between the input terminal and the output terminal, storing magnetic field energy when at least part of an input current and a current output from the first capacitor flows through the inductor as a first current, and inducing a second current for charging the second capacitor by the magnetic field energy, and a switching element that is turned on and off at a substantially constant cycle, has a substantially constant period during which the switching element is ON in one cycle, is turned on to cause the first current to flow through the inductor, and is OFF when the second current flows through the inductor.
    Type: Application
    Filed: May 26, 2021
    Publication date: June 22, 2023
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventor: Takeaki Yajima
  • Publication number: 20230193489
    Abstract: A light-driven fuel cell includes a cathode, an anode, and a proton-permeable membrane between the anode and the cathode. The anode includes a photocatalyst for anaerobic methane oxidation reaction, and when the anode is supplied with methane and water and is irradiated with light, methanol, protons and electrons are generated by anaerobic methane oxidation reaction from the methane and the water supplied to the anode; the protons pass through the proton-permeable membrane and move to the cathode; and the electrons move to the cathode via an external circuit. The cathode includes a photocatalyst for aerobic methane oxidation reaction, and when the cathode is supplied with methane and oxygen and is irradiated with light, methanol and water are generated by aerobic methane oxidation reaction from the methane and the oxygen supplied to the cathode and the protons and the electrons moved from the anode.
    Type: Application
    Filed: May 13, 2021
    Publication date: June 22, 2023
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Takahiro MATSUMOTO, Masato MURAKAMI, Tatsuya NAKANO, Ryo NISHIKAWA, Kento KIMURA, Kou SAMESHIMA
  • Publication number: 20230189666
    Abstract: A quantum gate device includes a first superconducting circuit which includes at least one of Josephson devices in an annular circuit including a superconducting wire and resonates at a first resonance frequency, a second superconducting circuit which includes at least one of Josephson devices in an annular circuit including a superconducting wire and resonates at a second resonance frequency, a connection unit which includes a capacitor and a superconducting wire provided at each electrode of the capacitor and connects the first and second circuits, a magnetic field application means applying a magnetic field to one or both of the first and second circuits, a quantum gate control electromagnetic wave irradiation unit irradiating one of the first and second circuits with a control electromagnetic wave, and an unnecessary transition suppression electromagnetic wave irradiation unit irradiating one of the first and second circuits with an unnecessary interaction suppression electromagnetic wave.
    Type: Application
    Filed: April 8, 2021
    Publication date: June 15, 2023
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Atsushi NOGUCHI, Alto OSADA, Yasunobu NAKAMURA
  • Patent number: 11671077
    Abstract: A spike generation circuit includes a first CMOS inverter connected between a first power supply and a second power supply, an output node of the first CMOS inverter being coupled to a first node that is an intermediate node coupled to an input terminal to which an input signal is input, a switch connected in series with the first CMOS inverter, between the first power supply and the second power supply, a first inverting circuit that outputs an inversion signal of a signal of the first node to a control terminal of the switch, and a delay circuit that delays the signal of the first node, outputs a delayed signal to an input node of the first CMOS inverter, and outputs an isolated output spike signal to an output terminal.
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: June 6, 2023
    Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventor: Takeaki Yajima
  • Publication number: 20230171974
    Abstract: A core-shell particle which includes a core-shell structure includes an inorganic nanoparticle having a light wavelength conversion ability and a coating layer formed on a surface of the inorganic nanoparticle and formed of an inorganic perovskite type substance.
    Type: Application
    Filed: May 25, 2021
    Publication date: June 1, 2023
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Ayumi NIHEI, Tsutomu MIYASAKA
  • Publication number: 20230142172
    Abstract: A microdroplet/bubble-generating device comprising a slit and a row of a plurality of microflow paths is constructed, in such a manner that either a continuous phase or dispersion phase is supplied to the slit, and so that the end of the slit, the other supply port for the continuous phase or dispersion phase and the liquid recovery port are connected. The plurality of microflow paths each have a narrow part where the cross-sectional area of the flow channel is locally narrowed adjacent to or near the connection point between the slit and the microflow path. The continuous phase and dispersion phase that have met at the connection points flow into the narrow parts, and the dispersion phase is sheared at the narrow parts with the continuous phase flow as the driving force, forming droplets or gas bubbles of the dispersion phase. The product is recovered from the liquid recovery port.
    Type: Application
    Filed: March 12, 2021
    Publication date: May 11, 2023
    Applicant: Japan Science and Technology Agency
    Inventor: Takasi NISISAKO
  • Patent number: 11643448
    Abstract: The invention provides an A? peptide aggregation inhibitor, an A? peptide toxicity reducing agent, and a preventive and/or therapeutic agent for Alzheimer's disease. The oxidized A? peptide in which one or more amino acid residues of A? peptide have been oxidized (excluding an oxidized A? peptide in which only Met has been oxidized).
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: May 9, 2023
    Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Motomu Kanai, Yohei Soma, Atsuhiko Taniguchi, Daisuke Sasaki
  • Publication number: 20230125359
    Abstract: Provided is a compound having higher fluorescence quantum yield and higher optical stability than a conventional FLAP and a polymer compound containing the compound. A: seven or eight-membered ring structure, Y1, Y2, Y3: halogen atom or the like, al: number of Y1, a2: number of Y2, B: number of Y3, 0?m and n?3: when 1?m?3, Y1 may be substituted with a structure portion defined by m, when 1?n?3, Y2 may be substituted with a structure portion defined by n, and B1, B2: Formulas (2-1) to (2-3): C1, C2, C3: structure containing a cyclic hydrocarbon compound, D1, D2, D3: substructure that inhibits aggregation, E1, E2, E3: polymerizable substructure, Z1: hydrogen atom or the like, c: number of substituent groups Z1, Z2, Z3: hydrogen atom or the like, and may form a ring with C2.
    Type: Application
    Filed: December 8, 2022
    Publication date: April 27, 2023
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Shohei SAITO, Hiroshi YABU, Hiroya ABE
  • Patent number: 11623274
    Abstract: The present invention provides a metal foam production method that enables a foaming process to be performed at low cost and enables controlling of the shape of metal foam. According to the present invention, a mold that transmits light and a precursor prepared by mixing a metal with a foaming agent are used, and a metal foam is produced by irradiating the precursor with a light transmitted through the mold to thereby heat and foam the precursor so as to obtain a metal foam, while controlling the shape of the metal foam by the mold.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: April 11, 2023
    Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Yoshihiko Hangai, Kenji Amagai
  • Publication number: 20230083938
    Abstract: The invention is related to a layered double hydroxide electride which can be produced without high-temperature treatment, and a production method of which cost can be reduced. The layered double hydroxide electride contains electrons between layers and has an electron density of 2.0×1018 cm?3 or more. The method of producing the layered double hydroxide electride includes a step of mixing a starting layered double hydroxide with an electron exchanger for exchanging anions existing between layers of the starting layered double hydroxide for electrons to produce the layered double hydroxide electride.
    Type: Application
    Filed: February 15, 2021
    Publication date: March 16, 2023
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Masaaki KITANO, Hideo HOSONO, Toshiharu YOKOYAMA, Kiya OGASAWARA, Yo AGAWA
  • Patent number: 11597745
    Abstract: A ?-modified phosphoric acid compound precursor that inhibits the progress of a phosphorylation reaction having a partial structure represented by where A1 represents —SR1, —S—S—R1, —SeR1, or —X, where X is a halogen selected from fluoro, chloro, bromo, and iodo; R1 represents hydrogen, an alkyl group having 1 to 20 carbon atoms, or the like; L1 represents hydrogen, an alkyl group having 1 to 20 carbon atoms, or the like; L2 represents an alkyl group having 1 to 20 carbon atoms, or the like; L1 and L2 may be linked to each other to form a 4 to 6-membered ring structure; L1 and L2 may each have a substituent; and the symbol * represents a bond to be bonded to a phosphate group by phosphorylation. Further, provided are a reaction inhibitor and a medicine, each of which includes the ?-modified phosphoric acid compound precursor.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: March 7, 2023
    Assignee: Japan Science and Technology Agency
    Inventors: Hiroshi Abe, Yasuaki Kimura
  • Patent number: 11591238
    Abstract: There are provided a new type of crystal laminate of an alkaline earth metal titanate having improved catalytic activity, and a method for producing the same. The crystal laminate is provided having a crystal of the alkaline earth metal titanate as a constitutional unit, wherein the crystal being the constitutional unit is a cubic crystal, a tetragonal crystal or an orthorhombic crystal; the crystal being the constitutional unit has a primary particle diameter of 500 nm or less; and the crystal is layered with an orientation in a {100} plane direction thereof.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: February 28, 2023
    Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventor: Takashi Tachikawa
  • Patent number: 11565253
    Abstract: A nano-fluidic device includes: a first substrate that has a nanoscale groove on one surface; and a second substrate that is integrally provided with the first substrate by bonding one surface of the second substrate to the one surface of the first substrate and forms a nanochannel with the groove of the first substrate, in which either the first substrate or the second substrate includes at least a thin portion in a part of a position overlapping the nanochannel in plan view, and the thin portion is deformed by pressing to open and close the nanochannel.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: January 31, 2023
    Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Yutaka Kazoe, Yuriy Pihosh, Takehiko Kitamori
  • Patent number: 11560383
    Abstract: Provided is a compound having higher fluorescence quantum yield and higher optical stability than a conventional FLAP and a polymer compound containing the compound. A: seven or eight-membered ring structure, Y1, Y2, Y3: halogen atom or the like, a1: number of Y1, a2: number of Y2, B: number of Y3, 0?m and n?3: when 1?m?3, Y1 may be substituted with a structure portion defined by m, when 1?n?3, Y2 may be substituted with a structure portion defined by n, and B1, B2: Formulas (2-1) to (2-3). C1, C2, C3: structure containing a cyclic hydrocarbon compound, D1, D2, D3: substructure that inhibits aggregation, E1, E2, E3: polymerizable substructure, Z1: hydrogen atom or the like, c: number of substituent groups Z1, Z2, Z3: hydrogen atom or the like, and may form a ring with C2.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: January 24, 2023
    Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Shohei Saito, Hiroshi Yabu, Hiroya Abe
  • Patent number: 11547338
    Abstract: An electronic functional member according to the present embodiment includes a substrate; a fiber mesh comprising a fibrous resin composition that extends onto and is connected to the substrate; and a patterned conductive coating portion that coats one surface of a portion of the fiber mesh and that also extends onto the substrate.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: January 10, 2023
    Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Sung Won Lee, Takao Someya, Tsuyoshi Sekitani, Shinri Sakai
  • Patent number: 11549172
    Abstract: A compound semiconductor has a high electron concentration of 5×1019 cm?3 or higher, exhibits an electron mobility of 46 cm2/V·s or higher, and exhibits a low electric resistance, and thus is usable to produce a high performance semiconductor device. The present invention provides a group 13 nitride semiconductor of n-type conductivity that may be formed as a film on a substrate having a large area size at a temperature of room temperature to 700° C.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: January 10, 2023
    Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Hiroshi Fujioka, Kohei Ueno