Patents by Inventor Takayuki Aoshima

Takayuki Aoshima 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).

  • Publication number: 20240128511
    Abstract: A nonaqueous electrolyte solution including at least an electrolyte, and a nonaqueous solvent, wherein the nonaqueous electrolyte solution contains a compound represented by the following general formula (A): wherein R1 to R3 represent optionally substituted organic groups having 1 to 20 carbon atoms, and a cyclic carbonate compound having a fluorine atom in an amount of 0.01% by mass to 50.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Applicants: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATION
    Inventors: Eiji NAKAZAWA, Yoichi OOHASHI, Minoru KOTATO, Takamichi MITSUI, Takayuki AOSHIMA, Takeshi NAKAMURA
  • Patent number: 11942601
    Abstract: A nonaqueous electrolyte solution, which contains a compound represented by the following general formula (A), and (1) at least one compound selected from the group consisting of a nitrile compound, an isocyanate compound, a difluorophosphate, a fluorosulfonate, a lithium bis(fluorosulfonyl)imide and a compound represented by the following general formula (B), or (2) a cyclic carbonate compound having a fluorine atom in an amount of 0.01% by mass to 50.0% by mass based on the total amount of the nonaqueous electrolyte solution. (In formula (A), R1 to R3 may be mutually the same or different and represent optionally substituted organic groups having 1 to 20 carbon atoms.) (In formula (B), R4, R5 and R6 respectively and independently represent an alkyl group, alkenyl group or alkynyl group having 1 to 12 carbon atoms that may be substituted with a halogen atom, and n represents an integer of 0 to 6.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: March 26, 2024
    Assignees: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATION
    Inventors: Eiji Nakazawa, Yoichi Oohashi, Minoru Kotato, Takamichi Mitsui, Takayuki Aoshima, Takeshi Nakamura
  • Patent number: 11833468
    Abstract: Provided is a method for separating ammonia gas using zeolite membrane having excellent separation stability at a high temperature capable of separating ammonia gas from a mixed gas composed of multiple components including ammonia gas, hydrogen gas, and nitrogen gas to the permeation side with high selectivity and high permeability. Also provided is a method for separating ammonia by selectively permeating ammonia gas from a mixed gas containing at least ammonia gas, hydrogen gas, and nitrogen gas using a zeolite membrane, wherein the ammonia gas concentration in the mixed gas is 1.0% by volume or more.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: December 5, 2023
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Manabu Tanaka, Takeshi Matsuo, Takayuki Aoshima
  • Patent number: 11732087
    Abstract: The present invention provides a resin capable of contributing greatly to solve environmental problems and problems related to exhaustion of fossil fuel resources and having physical properties suited for practical use. The polyester according to the present invention has a diol and a dicarboxylic acid as constituent components and has an amount of terminal acid of 50 equivalents/metric ton or less.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: August 22, 2023
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takayuki Aoshima, Yasuaki Miki, Katsuhisa Kumazawa, Satoshi Katou, Tadashi Uyeda, Toyomasa Hoshino, Noboru Shintani, Kenji Yamagishi, Atsushi Isotani
  • Publication number: 20230124462
    Abstract: The present invention provides a resin capable of contributing greatly to solve environmental problems and problems related to exhaustion of fossil fuel resources and having physical properties suited for practical use. The polyester according to the present invention has a diol and a dicarboxylic acid as constituent components and has an amount of terminal acid of 50 equivalents/metric ton or less.
    Type: Application
    Filed: June 16, 2022
    Publication date: April 20, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takayuki AOSHIMA, Yasuaki MIKI, Katsuhisa KUMAZAWA, Satoshi KATOU, Tadashi UYEDA, Toyomasa HOSHINO, Noboru SHINTANI, Kenji YAMAGISHI, Atsushi ISOTANI
  • Patent number: 11628395
    Abstract: Provided is a method for separating ammonia gas using zeolite membrane having excellent separation stability at a high temperature capable of separating ammonia gas from a mixed gas composed of multiple components including ammonia gas, hydrogen gas, and nitrogen gas to the permeation side with high selectivity and high permeability. Also provided is a method for separating ammonia by selectively permeating ammonia gas from a mixed gas containing at least ammonia gas, hydrogen gas, and nitrogen gas using a zeolite membrane, wherein the ammonia gas concentration in the mixed gas is 1.0% by volume or more.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: April 18, 2023
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Manabu Tanaka, Takeshi Matsuo, Takayuki Aoshima
  • Patent number: 11560449
    Abstract: The present invention provides a resin capable of contributing greatly to solve environmental problems and problems related to exhaustion of fossil fuel resources and having physical properties suited for practical use. The polyester according to the present invention has a diol and a dicarboxylic acid as constituent components and has an amount of terminal acid of 50 equivalents/metric ton or less.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: January 24, 2023
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takayuki Aoshima, Yasuaki Miki, Katsuhisa Kumazawa, Satoshi Katou, Tadashi Uyeda, Toyomasa Hoshino, Noboru Shintani, Kenji Yamagishi, Atsushi Isotani
  • Publication number: 20220336858
    Abstract: A nonaqueous electrolyte solution, which contains a compound represented by the following general formula (A), and (1) at least one compound selected from the group consisting of a nitrile compound, an isocyanate compound, a difluorophosphate, a fluorosulfonate, a lithium bis(fluorosulfonyl)imide and a compound represented by the following general formula (B), or (2) a cyclic carbonate compound having a fluorine atom in an amount of 0.01% by mass to 50.0% by mass based on the total amount of the nonaqueous electrolyte solution. (In formula (A), R1 to R3 may be mutually the same or different and represent optionally substituted organic groups having 1 to 20 carbon atoms.) (In formula (B), R4, R5 and R6 respectively and independently represent an alkyl group, alkenyl group or alkynyl group having 1 to 12 carbon atoms that may be substituted with a halogen atom, and n represents an integer of 0 to 6.
    Type: Application
    Filed: June 14, 2022
    Publication date: October 20, 2022
    Applicants: Mitusbishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATION
    Inventors: Eiji NAKAZAWA, Yoichi OOHASHI, Minoru KOTATO, Takamichi MITSUI, Takayuki AOSHIMA, Takeshi NAKAMURA
  • Publication number: 20220288529
    Abstract: Provided is a method for separating ammonia gas using zeolite membrane having excellent separation stability at a high temperature capable of separating ammonia gas from a mixed gas composed of multiple components including ammonia gas, hydrogen gas, and nitrogen gas to the permeation side with high selectivity and high permeability. Also provided is a method for separating ammonia by selectively permeating ammonia gas from a mixed gas containing at least ammonia gas, hydrogen gas, and nitrogen gas using a zeolite membrane, wherein the ammonia gas concentration in the mixed gas is 1.0% by volume or more.
    Type: Application
    Filed: June 2, 2022
    Publication date: September 15, 2022
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Manabu TANAKA, Takeshi MATSUO, Takayuki AOSHIMA
  • Patent number: 11434325
    Abstract: The present invention provides a resin capable of contributing greatly to solve environmental problems and problems related to exhaustion of fossil fuel resources and having physical properties suited for practical use. The polyester according to the present invention has a diol and a dicarboxylic acid as constituent components and has an amount of terminal acid of 50 equivalents/metric ton or less.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: September 6, 2022
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takayuki Aoshima, Yasuaki Miki, Katsuhisa Kumazawa, Satoshi Katou, Tadashi Uyeda, Toyomasa Hoshino, Noboru Shintani, Kenji Yamagishi, Atsushi Isotani
  • Patent number: 11424482
    Abstract: Disclosed herein is a nonaqueous electrolyte solution containing an electrolyte and a nonaqueous solvent, the nonaqueous electrolyte solution including a compound represented by formula (A) and: (1) at least one compound selected from a nitrile compound, an isocyanate compound, a difluorophosphate, a fluorosulfonate, a lithium bis(fluorosulfonyl)imide and a compound represented by the formula (B) below, or (2) a cyclic carbonate compound having a fluorine atom in an amount of 0.01% by mass to 50.0% by mass based on a total amount of the nonaqueous electrolyte solution. In formula (A), R1 to R3 represent optionally substituted organic groups having 1 to 20 carbon atoms, and in formula (B), R4, R5 and R6 independently represent an alkyl group, alkenyl group or alkynyl group having 1 to 12 carbon atoms that may be substituted with a halogen atom, and n represents an integer of 0 to 6.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: August 23, 2022
    Assignees: MITSUBISHI CHEMICAL CORPORATION, MU IONIC SOLUTIONS CORPORATION
    Inventors: Eiji Nakazawa, Yoichi Oohashi, Minoru Kotato, Takamichi Mitsui, Takayuki Aoshima, Takeshi Nakamura
  • Patent number: 11352309
    Abstract: Provided is a catalyst including a metal component including a first component that is rhenium and one or more second components selected from the group consisting of silicon, gallium, germanium, and indium and a carrier on which the metal component is supported, the carrier including an oxide of a metal belonging to Group 4 of the periodic table. Also provided is an alcohol production method in which a carbonyl compound is treated using the above catalyst. It is possible to produce an alcohol by a hydrogenation reaction of a carbonyl compound with high selectivity and high efficiency while reducing side reactions.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: June 7, 2022
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takeshi Matsuo, Yumiko Yoshikawa, Takayuki Aoshima
  • Publication number: 20210253505
    Abstract: Provided is a catalyst including a metal component including a first component that, is rhenium and one or more second components selected from the group consisting of silicon, gallium, germanium, and indium and a carrier on which the metal component is supported, the carrier including an oxide of a metal belonging to Group 4 of the periodic table. Also provided is an alcohol production method in which a carbonyl compound is treated using the above catalyst, it is possible to produce an alcohol by a hydrogenation reaction of a carbonyl compound with high selectivity and high efficiency while reducing 3ide reactions.
    Type: Application
    Filed: April 22, 2021
    Publication date: August 19, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takeshi MATSUO, Yumiko YOSHIKAWA, Takayuki AOSHIMA
  • Publication number: 20210238113
    Abstract: Provided is a catalyst including a metal component including a first component that is rhenium and one or more second components selected from the group consisting of silicon, gallium, germanium, and indium and a carrier on which the metal component is supported, the carrier including an oxide of a metal belonging to Group 4 of the periodic table. Also provided is an alcohol production method in which a carbonyl compound is treated using the above catalyst. It is possible to produce an alcohol by a hydrogenation reaction of a carbonyl compound with high selectivity and high efficiency while reducing side reactions.
    Type: Application
    Filed: April 22, 2021
    Publication date: August 5, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takeshi MATSUO, Yumiko YOSHIKAWA, Takayuki AOSHIMA
  • Patent number: 11014862
    Abstract: Provided is a catalyst including a metal component including a first component that is rhenium and one or more second components selected from the group consisting of silicon, gallium, germanium, and indium and a carrier on which the metal component is supported, the carrier including an oxide of a metal belonging to Group 4 of the periodic table. Also provided is an alcohol production method in which a carbonyl compound is treated using the above catalyst. It is possible to produce an alcohol by a hydrogenation reaction of a carbonyl compound with high selectivity and high efficiency while reducing side reactions.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: May 25, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takeshi Matsuo, Yumiko Yoshikawa, Takayuki Aoshima
  • Publication number: 20210139398
    Abstract: An alcohol production method in which an alcohol is produced from a carbonyl compound, the method including producing an alcohol by using a catalyst, the catalyst including a metal component including rhenium having an average valence of 4 or less and a carrier supporting the metal component, the carrier including zirconium oxide. A catalyst for producing an alcohol by hydrogenation of a carbonyl compound, the catalyst including a carrier including zirconium oxide and a metal component supported on the carrier, the metal component including rhenium having an average valence of 4 or less.
    Type: Application
    Filed: January 21, 2021
    Publication date: May 13, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takeshi MATSUO, Yumiko YOSHIKAWA, Naoyuki SAKAMOTO, Takayuki AOSHIMA
  • Publication number: 20210138393
    Abstract: Provided is a method for separating ammonia gas using zeolite membrane having excellent separation stability at a high temperature capable of separating ammonia gas from a mixed gas composed of multiple components including ammonia gas, hydrogen gas, and nitrogen gas to the permeation side with high selectivity and high permeability. Also provided is a method for separating ammonia by selectively permeating ammonia gas from a mixed gas containing at least ammonia gas, hydrogen gas, and nitrogen gas using a zeolite membrane, wherein the ammonia gas concentration in the mixed gas is 1.0% by volume or more.
    Type: Application
    Filed: January 21, 2021
    Publication date: May 13, 2021
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: MANABU TANAKA, Takeshi Matsuo, Takayuki Aoshima
  • Publication number: 20210095071
    Abstract: The present invention provides a resin capable of contributing greatly to solve environmental problems and problems related to exhaustion of fossil fuel resources and having physical properties suited for practical use. The polyester according to the present invention has a diol and a dicarboxylic acid as constituent components and has an amount of terminal acid of 50 equivalents/metric ton or less.
    Type: Application
    Filed: October 30, 2020
    Publication date: April 1, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takayuki AOSHIMA, Yasuaki MIKI, Katsuhisa KUMAZAWA, Satoshi KATOU, Tadashi UYEDA, Toyomasa HOSHINO, Noboru SHINTANI, Kenji YAMAGISHI, Atsushi ISOTANI
  • Patent number: 10946333
    Abstract: Provided is a method for separating ammonia gas using zeolite membrane having excellent separation stability at a high temperature capable of separating ammonia gas from a mixed gas composed of multiple components including ammonia gas, hydrogen gas, and nitrogen gas to the permeation side with high selectivity and high permeability. Also provided is a method for separating ammonia by selectively permeating ammonia gas from a mixed gas containing at least ammonia gas, hydrogen gas, and nitrogen gas using a zeolite membrane, wherein the ammonia gas concentration in the mixed gas is 1.0% by volume or more.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: March 16, 2021
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Manabu Tanaka, Takeshi Matsuo, Takayuki Aoshima
  • Patent number: 10870727
    Abstract: An aliphatic dicarboxylic acid, an aliphatic diol or a derivatives thereof and/or as succinic acid, a butane diol, or a both-hydroxy-terminated polyether having the number of carbon atoms of 4 to 1000, each of which is derived from a biomass resource and has nitrogen atoms in an amount of 0.01 to 100 ppm. Products and methods using these materials are also provided.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: December 22, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takayuki Aoshima, Yasuaki Miki, Katsuhisa Kumazawa, Satoshi Katou, Tadashi Uyeda, Toyomasa Hoshino, Noboru Shintani, Kenji Yamagishi, Atsushi Isotani