Patents by Inventor Tatsuya Morikawa

Tatsuya Morikawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11001703
    Abstract: The present invention provides an aqueous emulsion excellent in heat resistance, water resistance (particularly, hot water resistance and boiling resistance), and viscosity stability. The present invention also provides an adhesive containing the aqueous emulsion, forming an adhesive layer resistant to staining, and ensuring a high level of safety. The present invention relates to an aqueous emulsion containing an ethylenically unsaturated monomer unit-containing polymer (A) as a dispersoid and vinyl alcohol polymer (B) as a dispersant, wherein, the ethylenically unsaturated monomer unit-containing polymer (A) includes a structural unit derived from a radical-polymerizable ethylenically unsaturated monomer (a) having a functional group represented by the following general formula (W), and the degree of saponification of the vinyl alcohol polymer (B) is 80 mol % or more: wherein, X is an oxygen atom or sulfur atom, and * represents a bond.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: May 11, 2021
    Assignee: KURARAY CO., LTD.
    Inventors: Tatsuya Tanida, Keisuke Morikawa
  • Publication number: 20200239389
    Abstract: The method according to this disclosure is a method for separating an unsaturated hydrocarbon having 2 or 3 carbon atoms and a halogenated unsaturated carbon compound formed by replacing at least one of hydrogen atoms included in the unsaturated hydrocarbon with a fluorine atom, from each other and is a method for selectively adsorbing either the unsaturated hydrocarbon or the halogenated unsaturated carbon compound by a porous coordination polymer that includes a metallic ion having a valence of 2 to 4 and an aromatic anion having 1 to 6 aromatic ring(s).
    Type: Application
    Filed: April 10, 2020
    Publication date: July 30, 2020
    Applicants: DAIKIN INDUSTRIES, LTD., KYOTO UNIVERSITY
    Inventors: Tatsuya Morikawa, Mana Shimokawa, Katsuki Fujiwara, Satoshi Tokuno, Masakazu Higuchi, Susumu Kitagawa
  • Patent number: 10654775
    Abstract: The method according to this disclosure is a method for separating an unsaturated hydrocarbon having 2 or 3 carbon atoms and a halogenated unsaturated carbon compound formed by replacing at least one of hydrogen atoms included in the unsaturated hydrocarbon with a fluorine atom, from each other and is a method for selectively adsorbing either the unsaturated hydrocarbon or the halogenated unsaturated carbon compound by a porous coordination polymer that includes a metallic ion having a valence of 2 to 4 and an aromatic anion having 1 to 6 aromatic ring(s).
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: May 19, 2020
    Assignees: DAIKIN INDUSTRIES, LTD., KYOTO UNIVERSITY
    Inventors: Tatsuya Morikawa, Mana Shimokawa, Katsuki Fujiwara, Satoshi Tokuno, Masakazu Higuchi, Susumu Kitagawa
  • Publication number: 20200049411
    Abstract: A heat exchanger includes a first flow path through which a first fluid flows, a second flow path through which a second fluid flows, and an adjustment layer disposed between the first flow path and the second flow path adjacent to each other and that adjusts an amount of heat exchange between the first flow path and the second flow path. The adjustment layer includes a first portion and a second portion having a heat transfer performance lower than that of the first portion, and has a heat transfer performance varied depending on a position in the adjustment layer.
    Type: Application
    Filed: October 7, 2016
    Publication date: February 13, 2020
    Inventors: Suguru TAKAHASHI, Yasuhiro FUJITA, Tatsuya MORIKAWA
  • Patent number: 10553519
    Abstract: A heat radiating member includes: a composite portion composed of a composite material which contains particles of a satisfactorily thermally conductive material in a metal matrix; and a metal layer formed on at least one surface of the composite portion and composed of a metal. A method for producing a heat radiating member includes: a preparation step to prepare a composite material which contains particles of a satisfactorily thermally conductive material in a metal matrix; a powder arrangement step to dispose a metal powder composed of metal particles on at least one surface of the composite material; and a heating step to heat the composite material and the metal powder, with the metal powder disposed on the composite material, to form a metal layer composed of a metal of the metal powder on a composite portion composed of the composite material.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: February 4, 2020
    Assignees: A.L.M.T. Corp, Sumitomo Electric Industries, Ltd.
    Inventors: Tatsuya Morikawa, Takanori Kadokura, Isao Iwayama
  • Publication number: 20190086155
    Abstract: A diffusion-bonded heat exchanger (100) includes a core (1) in which a first heat transfer plate (10) and a second heat transfer plate (20) are stacked and diffusion-bonded to each other, a plurality of pairs of first ports (2), and second ports (3). The first heat transfer plate (10) includes a plurality of first fluid passages (11).
    Type: Application
    Filed: March 23, 2017
    Publication date: March 21, 2019
    Inventors: Yasuhiro FUJITA, Tatsuya MORIKAWA, Suguru TAKAHASHI
  • Patent number: 10227430
    Abstract: An aqueous perfluoroelastomer dispersion and method for producing a perfluoroelastomer using a specific fluorosurfactant and capable of achieving a sufficient number of particles and a sufficient polymerization rate. The method includes providing an aqueous dispersion containing perfluoroelastomer particles by emulsion-polymerizing a perfluoromonomer in an aqueous medium in the presence of a specific fluorosurfactant in an amount of 2 parts by mass or more for 100 parts by mass of the aqueous medium.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: March 12, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tatsuya Morikawa, Junpei Terada, Shoji Fukuoka
  • Publication number: 20180222823
    Abstract: The method according to this disclosure is a method for separating an unsaturated hydrocarbon having 2 or 3 carbon atoms and a halogenated unsaturated carbon compound formed by replacing at least one of hydrogen atoms included in the unsaturated hydrocarbon with a fluorine atom, from each other and is a method for selectively adsorbing either the unsaturated hydrocarbon or the halogenated unsaturated carbon compound by a porous coordination polymer that includes a metallic ion having a valence of 2 to 4 and an aromatic anion having 1 to 6 aromatic ring(s).
    Type: Application
    Filed: June 15, 2016
    Publication date: August 9, 2018
    Applicants: DAIKIN INDUSTRIES, LTD., KYOTO UNIVERSITY
    Inventors: Tatsuya MORIKAWA, Mana SHIMOKAWA, Katsuki FUJIWARA, Satoshi TOKUNO, Masakazu HIGUCHI, Susumu KITAGAWA
  • Publication number: 20170287810
    Abstract: A heat radiating member includes: a composite portion composed of a composite material which contains particles of a satisfactorily thermally conductive material in a metal matrix; and a metal layer formed on at least one surface of the composite portion and composed of a metal. A method for producing a heat radiating member includes: a preparation step to prepare a composite material which contains particles of a satisfactorily thermally conductive material in a metal matrix; a powder arrangement step to dispose a metal powder composed of metal particles on at least one surface of the composite material; and a heating step to heat the composite material and the metal powder, with the metal powder disposed on the composite material, to form a metal layer composed of a metal of the metal powder on a composite portion composed of the composite material.
    Type: Application
    Filed: September 1, 2015
    Publication date: October 5, 2017
    Inventors: Tatsuya Morikawa, Takanori Kadokura, Isao Iwayama
  • Publication number: 20170145280
    Abstract: Provided are a diamond composite material which is excellent in thermal conductivity, suitable as a material for a heat radiating member, and dense, the heat radiating member, and a method for producing a diamond composite material that can productively produce a diamond composite material which is excellent in wettability between diamond and metal and dense. The diamond composite material includes: a coated diamond particle including a diamond particle and a carbide layer covering a surface of the diamond particle and including an element of group 4 of the periodic table; and silver or a silver alloy binding such coated diamond particles together, with an oxygen content of 0.1 mass % or less.
    Type: Application
    Filed: September 1, 2015
    Publication date: May 25, 2017
    Applicants: A.L.M.T. Corp., A.L.M.T. Corp.
    Inventors: Tatsuya Morikawa, Takanori Kadokura, Kensuke Osawa
  • Publication number: 20160347895
    Abstract: An aqueous perfluoroelastomer dispersion and method for producing a perfluoroelastomer using a specific fluorosurfactant and capable of achieving a sufficient number of particles and a sufficient polymerization rate. The method includes providing an aqueous dispersion containing perfluoroelastomer particles by emulsion-polymerizing a perfluoromonomer in an aqueous medium in the presence of a specific fluorosurfactant in an amount of 2 parts by mass or more for 100 parts by mass of the aqueous medium.
    Type: Application
    Filed: February 16, 2015
    Publication date: December 1, 2016
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tatsuya MORIKAWA, Junpei TERADA, Shoji FUKUOKA
  • Patent number: 9127114
    Abstract: There is provided a curable fluorine-containing polymer composition which is quickly cured at relatively low temperatures by hydrosilylation reaction and provides a coating film which has high hardness, excellent solvent resistance and flexibility. The curable fluorine-containing polymer composition comprises a fluorine-containing polymer comprising a fluorinated ethylenic monomer unit and a non-fluorinated ethylenic monomer unit, in which a part or the whole of the non-fluorinated ethylenic monomer units is a unit represented by the formula: wherein R1 is hydrogen or methyl; R2 is a hydrocarbon group having ethylenic C?C; X is —C(O)NH— or —C(O)—; R3 is —O—, —O[CH(R4)]mO—, —(CH2)mO—, —OC(O)—(CH2)mO— or —(CH2)mOC(O)—(CH2)nO—, where R4 is —H, —OH, —CH2OH or —O—X—R2, a siloxane compound having hydrogen atom bonded to silicon atom, and a catalyst for hydrosilylation reaction.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: September 8, 2015
    Assignees: DAIKIN INDUSTRIES, LTD., DOW CORNING CORPORATION
    Inventors: Katsuhiko Imoto, Tetsuo Shimizu, Tatsuya Morikawa, Masayuki Hayashi, Tomohiro Iimura, Peter Cheshire Hupfield
  • Patent number: 9068653
    Abstract: To provide a sealing material which is excellent in sealability under high-temperature conditions as well as crack resistance at high temperatures and high compression. A sealing material comprising a cross-linked fluororubber layer obtainable by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B), the cross-linked fluororubber layer having a loss modulus E? of 600 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test under conditions of measurement temperature: 160° C., tensile strain: 1%, initial force: 157 cN, and frequency: 10 Hz.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: June 30, 2015
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Junpei Terada, Daisuke Ota, Masanori Kitaichi, Yutaka Ueta, Shigeru Morita, Kazuyoshi Kawasaki, Tatsuya Morikawa, Shoji Fukuoka
  • Patent number: 9068069
    Abstract: The present invention includes crosslinked perfluoroelastomeric compositions and molded articles formed from a cross-linkable perfluoroelastomeric composition having a first curable perfluoropolymer having a cure site monomer and a second perfluoropolymer having a cure site monomer. The molar ratio of the tetrafluoroethylene monomer to perfluoroalkylvinyl ether in one perfluoropolymer is about 0 to 100 to about 65 to 35 in the perfluoropolymer. The molar ratio of the tetrafluoroethylene monomer to the perfluoroalkylvinyl ether monomer in the second polymer is about 65:35 to about 95:5 in the second perfluoropolymer. The composition further includes a curative.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: June 30, 2015
    Assignees: Greene, Tweed Technologies, Inc., Daikin Industries, Ltd.
    Inventors: Tsuyoshi Noguchi, Jiazhong Luo, Tatsuya Morikawa, Hirokazu Komori, Takafumi Yamato, Meiten Koh
  • Patent number: 8889796
    Abstract: There is provided a perfluoroelastomer composition having a low glass transition temperature and excellent cold resistance and heat resistance and comprising a perfluoroelastomer comprising a tetrafluoroethylene unit (a), a perfluoro vinyl ether unit (b) and a cure site unit (c) having nitrile group, carboxyl group and/or alkoxycarbonyl group as a cure site, wherein the perfluoro vinyl ether unit (b) is contained in an amount of 8 to 23% by mole in the perfluoroelastomer.
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: November 18, 2014
    Assignee: Daikin Industries, Ltd.
    Inventors: Junpei Terada, Tatsuya Morikawa, Daisuke Ota, Meiten Koh
  • Patent number: 8754161
    Abstract: The present invention provides a complex-shaped fluororubber formed product having excellent demoldability in molding. The complex-shaped fluororubber formed product of the present invention comprises a cross-linked fluororubber layer obtainable by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B). The cross-linked fluororubber layer has a loss modulus E? of 400 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test (measurement temperature: 160° C., tensile strain: 1%, initial force: 157 cN, frequency: 10 Hz).
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: June 17, 2014
    Assignee: Daikin Industries, Ltd.
    Inventors: Junpei Terada, Daisuke Ota, Masanori Kitaichi, Yutaka Ueta, Shigeru Morita, Kazuyoshi Kawasaki, Tatsuya Morikawa, Shoji Fukuoka
  • Publication number: 20140059182
    Abstract: A sync content broadcast distribution system of the present invention is a sync content broadcast distribution system (10) for synchronizing a sync content to an IP streamed broadcast data, which comprises: a time code generator (40) for producing a time code matched to an absolute time and embedding the time code in a broadcast data outputted from a broadcast station master (20); an encoder (50) for encoding the broadcast data in which the time code is embedded and converting the encoded broadcast data to an IP stream; a streaming server (60) for distributing the IP stream; a decoder (80) for decoding the IP stream distributed from the streaming server (60) and reading the time code embedded in the IP stream; a web server (100) for reading sync content from a storage device (90) storing at least one, two, or more sync contents and distributing the sync content; and a reproducing device (70) for receiving the IP stream distributed from the streaming server (60) and the sync content distributed from the web se
    Type: Application
    Filed: March 2, 2012
    Publication date: February 27, 2014
    Inventors: Fumio Miura, Takashi Fuji, Keishi Kandori, Tatsuya Morikawa
  • Patent number: 8609774
    Abstract: The present invention provides a belt excellent in mechanical properties at high temperatures. The belt of the present invention comprises a cross-linked fluororubber layer obtainable by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B). The cross-linked fluororubber layer has a loss modulus E? of 400 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test (measurement temperature: 160° C., tensile strain: 1%, initial force: 157 cN, frequency: 10 Hz).
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: December 17, 2013
    Assignee: Daikin Industries, Ltd.
    Inventors: Junpei Terada, Daisuke Ota, Masanori Kitaichi, Yutaka Ueta, Shigeru Morita, Kazuyoshi Kawasaki, Tatsuya Morikawa, Shoji Fukuoka
  • Patent number: 8367776
    Abstract: The present invention includes crosslinked perfluoroelastomeric compositions and molded articles formed from a cross-linkable perfluoroelastomeric composition having a first curable perfluoropolymer having a cure site monomer and a second perfluoropolymer having a cure site monomer. The molar ratio of the tetrafluoroethylene monomer to perfluoroalkylvinyl ether in one perfluoropolymer is about 0 to 100 to about 65 to 35 in the perfluoropolymer. The molar ratio of the tetrafluoroethylene monomer to the perfluoroalkylvinyl ether monomer in the second polymer is about 65:35 to about 95:5 in the second perfluoropolymer. The composition further includes a curative.
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: February 5, 2013
    Assignees: Greene, Tweed of Delaware, Inc., Daikin Industries, Ltd.
    Inventors: Tsuyoshi Noguchi, Jiazhong Luo, Tatsuya Morikawa, Hirokazu Komori, Takafumi Yamato, Meiten Koh
  • Patent number: 8242208
    Abstract: The invention provides a fluoropolymer composition capable of improving the characteristics of the cured material obtained therefrom. A fluoropolymer composition comprising a methylene group-containing fluoropolymer (A) and a hydrosilylation catalyst (B), wherein the methylene group-containing fluoropolymer (A) has methylene group-containing repeating units in the main chain thereof and is capable of hydrosilylation in the presence of the hydrosilylation catalyst (B) and one terminus of the chain is a carbon-carbon double bond or an Si—H group and the other terminus of the chain is an Si—H group or a carbon-carbon double bond.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: August 14, 2012
    Assignee: Daikin Industries, Ltd.
    Inventors: Tatsuya Morikawa, Manabu Fujisawa, Mitsuru Kishine