Patents by Inventor Aya Nakagawa

Aya Nakagawa 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: 11919408
    Abstract: An information processing apparatus controls a vehicle having a service power supply used to provide a service and a driving power supply used for traveling. The information processing apparatus has a storage unit configured to store service-related information concerning the service provided by the vehicle, and a controller configured to select any of a first mode, in which the service power supply and the driving power supply are independently used, and a second mode, in which the service power supply and the driving power supply are shared, based on the service-related information.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: March 5, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shintaro Matsutani, Aya Sato, Yasuki Nakagawa, Shigeru Inamori, Fuminori Matsuoka, Taro Hasegawa, Masaki Nanahara, Misaki Sato, Motoki Maekawa, Hiroki Ashizawa
  • Publication number: 20210023260
    Abstract: The application discloses a composition for hard tissue repair comprising a monomer (A), a polymer powder (B) and a polymerization initiator (C), wherein the polymer powder (B) comprises a polymer powder (B-x) having an aspect ratio of 1.10 or more, and the cumulative ratio of powder particles having aspect ratios of 1.00 or more and less than 1.10 in all of the powder particles contained in the composition for hard tissue repair is 75 cumulative % or less, as well as, a kit for hard tissue repair comprising three or more members, in which each of the components of the monomer (A), the polymer powder (B) and the polymerization initiator (C) contained in this composition for hard tissue repair are divided and contained in the members in an optional combination.
    Type: Application
    Filed: March 5, 2019
    Publication date: January 28, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shinya AOKI, Jingjing YANG, Aya NAKAGAWA, Kengo GOTO, Takashi MIURA, Ayako BANDO
  • Patent number: 10865269
    Abstract: A polyisocyanate composition contains a modified product of xylylene diisocyanate and a modified product of pentamethylene diisocyanate, and/or a modified product of the xylylene diisocyanate and the pentamethylene diisocyanate. The ratio of the pentamethylene diisocyanate with respect to the total amount of the xylylene diisocyanate and the pentamethylene diisocyanate is 30 mol % or more and 80 mol % or less.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: December 15, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Toshihiko Nakagawa, Aya Nakagawa, Shinji Kiyono, Hirokazu Morita, Satoshi Yamasaki
  • Patent number: 10689481
    Abstract: A polyisocyanate composition contains a modified product of xylylene diisocyanate and a modified product of pentamethylene diisocyanate, and/or a modified product of the xylylene diisocyanate and the pentamethylene diisocyanate. The ratio of the pentamethylene diisocyanate with respect to the total amount of the xylylene diisocyanate and the pentamethylene diisocyanate is 60 mol % or more and 95 mol % or less.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: June 23, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Toshihiko Nakagawa, Aya Nakagawa, Shinji Kiyono, Hirokazu Morita, Satoshi Yamasaki
  • Patent number: 10689477
    Abstract: A polyisocyanate composition contains a modified product of xylylene diisocyanate and a modified product of pentamethylene diisocyanate, and/or a modified product of the xylylene diisocyanate and the pentamethylene diisocyanate. The ratio of the pentamethylene diisocyanate with respect to the total amount of the xylylene diisocyanate and the pentamethylene diisocyanate is 5 mol % or more and 40 mol % or less.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: June 23, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Toshihiko Nakagawa, Aya Nakagawa, Shinji Kiyono, Hirokazu Morita, Satoshi Yamasaki
  • Patent number: 10392528
    Abstract: A polyisocyanate composition includes at least a pentamethylenediisocyanate derivative. The polyisocyanate composition contains 5 mass % or more and 95 mass % or less of a uretdione derivative composed of an isocyanate bimolecular-product of pentamethylenediisocyanate.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: August 27, 2019
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Toshihiko Nakagawa, Aya Nakagawa, Shinji Kiyono, Takashi Kanno, Hirokazu Morita, Satoshi Yamasaki
  • Patent number: 10173962
    Abstract: The method for producing trans-rich-1,4-bis(aminomethyl)cyclohexane includes blending 1,4-bis(aminomethyl)cyclohexane with an alkali metal compound and XDA and heating the mixture to isomerize 1,4-bis(aminomethyl)cyclohexane so that the trans isomer content relative to the cis/trans isomers in total is more than 70 mass %, and purifying the isomerized 1,4-bis(aminomethyl)cyclohexane by distillation after the isomerization step. The alkali metal compound is at least one compound selected from the group consisting of alkali metal hydride, alkali metal amide, and alkyl alkali metal. In the isomerization step, 0.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: January 8, 2019
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Aya Nakagawa, Tetsuya Hamada
  • Publication number: 20180354890
    Abstract: The method for producing trans-rich-1,4-bis(aminomethyl)cyclohexane includes blending 1,4-bis(aminomethyl)cyclohexane with an alkali metal compound and XDA and heating the mixture to isomerize 1,4-bis(aminomethyl)cyclohexane so that the trans isomer content relative to the cis/trans isomers in total is more than 70 mass %, and purifying the isomerized 1,4-bis(aminomethyl)cyclohexane by distillation after the isomerization step. The alkali metal compound is at least one compound selected from the group consisting of alkali metal hydride, alkali metal amide, and alkyl alkali metal. In the isomerization step, 0.
    Type: Application
    Filed: December 9, 2016
    Publication date: December 13, 2018
    Inventors: Aya NAKAGAWA, Tetsuya HAMADA
  • Patent number: 10011677
    Abstract: A polycarbodiimide composition is a reaction product of polyisocyanate having a primary isocyanate group and alcohols, wherein in an infrared absorption spectrum, the intensity ratio (IRCI/IRUI+U) of absorbance IRCI at or near 2120 cm?1 due to stretching vibration of the carbodiimide group relative to absorbance IRUI+U at or near 1720 cm?1 due to stretching vibration of the uretonimine group and urethane group is 1.5 or more and 4.5 or less.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: July 3, 2018
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Tatsuya Yamashita, Toshihiko Nakagawa, Shinji Kiyono, Aya Nakagawa, Hirokazu Morita, Shigeru Mio, Satoshi Yamasaki, Kazuki Sakata
  • Publication number: 20180179317
    Abstract: A polyisocyanate composition contains a modified product of xylylene diisocyanate and a modified product of pentamethylene diisocyanate, and/or a modified product of the xylylene diisocyanate and the pentamethylene diisocyanate. The ratio of the pentamethylene diisocyanate with respect to the total amount of the xylylene diisocyanate and the pentamethylene diisocyanate is 5 mol % or more and 40 mol % or less.
    Type: Application
    Filed: June 8, 2016
    Publication date: June 28, 2018
    Inventors: Toshihiko NAKAGAWA, Aya NAKAGAWA, Shinji KIYONO, Hirokazu MORITA, Satoshi YAMASAKI
  • Publication number: 20180171065
    Abstract: A polyisocyanate composition contains a modified product of xylylene diisocyanate and a modified product of pentamethylene diisocyanate, and/or a modified product of the xylylene diisocyanate and the pentamethylene diisocyanate. The ratio of the pentamethylene diisocyanate with respect to the total amount of the xylylene diisocyanate and the pentamethylene diisocyanate is 30 mol % or more and 80 mol % or less.
    Type: Application
    Filed: June 8, 2016
    Publication date: June 21, 2018
    Inventors: Toshihiko NAKAGAWA, Aya NAKAGAWA, Shinji KIYONO, Hirokazu MORITA, Satoshi YAMASAKI
  • Publication number: 20180162986
    Abstract: A polyisocyanate composition contains a modified product of xylylene diisocyanate and a modified product of pentamethylene diisocyanate, and/or a modified product of the xylylene diisocyanate and the pentamethylene diisocyanate. The ratio of the pentamethylene diisocyanate with respect to the total amount of the xylylene diisocyanate and the pentamethylene diisocyanate is 60 mol % or more and 95 mol % or less.
    Type: Application
    Filed: June 8, 2016
    Publication date: June 14, 2018
    Inventors: Toshihiko NAKAGAWA, Aya NAKAGAWA, Shinji KIYONO, Hirokazu MORITA, Satoshi YAMASAKI
  • Publication number: 20180148533
    Abstract: A polycarbodiimide composition is a reaction product of polyisocyanate having a primary isocyanate group and alcohols, wherein in an infrared absorption spectrum, the intensity ratio (IRCI/IRUI+U) of absorbance IRCI at or near 2120 cm?1 due to stretching vibration of the carbodiimide group relative to absorbance IRUI+U at or near 1720 cm?1 due to stretching vibration of the uretonimine group and urethane group is 1.5 or more and 4.5 or less.
    Type: Application
    Filed: January 5, 2017
    Publication date: May 31, 2018
    Inventors: Tatsuya YAMASHITA, Toshihiko NAKAGAWA, Shinji KIYONO, Aya NAKAGAWA, Hirokazu MORITA, Shigeru MIO, Satoshi YAMASAKI, Kazuki SAKATA
  • Publication number: 20180142123
    Abstract: A polyisocyanate composition includes at least a pentamethylenediisocyanate derivative. The polyisocyanate composition contains 5 mass % or more and 95 mass % or less of a uretdione derivative composed of an isocyanate bimolecular-product of pentamethylenediisocyanate.
    Type: Application
    Filed: May 9, 2016
    Publication date: May 24, 2018
    Inventors: Toshihiko NAKAGAWA, Aya NAKAGAWA, Shinji KIYONO, Takashi KANNO, Hirokazu MORITA, Satoshi YAMASAKI
  • Patent number: 9598501
    Abstract: The present invention provides an antibody-immobilized carrier that can be used in antibody screening, a method of producing the antibody-immobilized carrier, and use of the antibody-immobilized carrier. Efficient antibody screening can be carried out particularly by an antibody-immobilized carrier including two or more antibody immobilized regions onto each of which a heavy-chain low-molecular-weight antibody and a light-chain low-molecular-weight antibody are separately immobilized, the two or more antibody immobilized regions each being included in an independent manner, the heavy-chain low-molecular-weight antibody including a heavy-chain variable region, the light-chain low-molecular-weight antibody including a light-chain variable region, the heavy-chain low-molecular-weight antibody and the light-chain low-molecular-weight antibody each being derived from an antibody recognizing a different antigen.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: March 21, 2017
    Assignees: NATIONAL UNIVERSITY CORPORATION KYOTO INSTITUTE OF TECHNOLOGY, DENKA SEIKEN CO., LTD
    Inventors: Yoichi Kumada, Michimasa Kishimoto, Kyoko Hamasaki, Aya Nakagawa
  • Publication number: 20150018534
    Abstract: The present invention provides an antibody-immobilized carrier that can be used in antibody screening, a method of producing the antibody-immobilized carrier, and use of the antibody-immobilized carrier. Efficient antibody screening can be carried out particularly by an antibody-immobilized carrier including two or more antibody immobilized regions onto each of which a heavy-chain low-molecular-weight antibody and a light-chain low-molecular-weight antibody are separately immobilized, the two or more antibody immobilized regions each being included in an independent manner, the heavy-chain low-molecular-weight antibody including a heavy-chain variable region, the light-chain low-molecular-weight antibody including a light-chain variable region, the heavy-chain low-molecular-weight antibody and the light-chain low-molecular-weight antibody each being derived from an antibody recognizing a different antigen.
    Type: Application
    Filed: September 30, 2014
    Publication date: January 15, 2015
    Inventors: Yoichi Kumada, Michimasa Kishimoto, Kyoko Hamasaki, Aya Nakagawa
  • Patent number: 8883985
    Abstract: The present invention provides an antibody-immobilized carrier that can be used in antibody screening, a method of producing the antibody-immobilized carrier, and use of the antibody-immobilized carrier. Efficient antibody screening can be carried out particularly by an antibody-immobilized carrier including two or more antibody immobilized regions onto each of which a heavy-chain low-molecular-weight antibody and a light-chain low-molecular-weight antibody are separately immobilized, the two or more antibody immobilized regions each being included in an independent manner, the heavy-chain low-molecular-weight antibody including a heavy-chain variable region, the light-chain low-molecular-weight antibody including a light-chain variable region, the heavy-chain low-molecular-weight antibody and the light-chain low-molecular-weight antibody each being derived from an antibody recognizing a different antigen.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: November 11, 2014
    Assignees: National University Corporation Kyoto Institute of Technology, Denka Seiken Co., Ltd.
    Inventors: Yoichi Kumada, Michimasa Kishimoto, Kyoko Hamasaki, Aya Nakagawa
  • Patent number: 8604253
    Abstract: The present invention is a method for producing a polyhydric phenol, including the following steps (a) to (d): (a) a first step of producing (4S,5R,6S)-4,5,6-trihydroxy-2-cyclohexcene-1-one from 2-deoxy-scyllo-inosose by a dehydration reaction; (b) a second step of producing 1,2,4-trihydroxybenzene from the (4S,5R,6S)-4,5,6-trihydroxy-2-cyclohexene-1-one obtained in the first step by a dehydration reaction; (c) a third step of producing 4-hydroxycyclohexane-1,3-dione from the 1,2,4-trihydroxybenzene by a catalytic hydrogenation reaction with the use of a metal catalyst; and (d) a fourth step of producing hydroquinone by heating the 4-hydroxycyclohexane-1,3-dione.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: December 10, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hideo Kitagawa, Junya Kiyosu, Susumu Saito, Takaomi Hayashi, Naritoshi Yoshimura, Aya Nakagawa
  • Publication number: 20120309943
    Abstract: The present invention provides an antibody-immobilized carrier that can be used in antibody screening, a method of producing the antibody-immobilized carrier, and use of the antibody-immobilized carrier. Efficient antibody screening can be carried out particularly by an antibody-immobilized carrier including two or more antibody immobilized regions onto each of which a heavy-chain low-molecular-weight antibody and a light-chain low-molecular-weight antibody are separately immobilized, the two or more antibody immobilized regions each being included in an independent manner, the heavy-chain low-molecular-weight antibody including a heavy-chain variable region, the light-chain low-molecular-weight antibody including a light-chain variable region, the heavy-chain low-molecular-weight antibody and the light-chain low-molecular-weight antibody each being derived from an antibody recognizing a different antigen.
    Type: Application
    Filed: February 15, 2011
    Publication date: December 6, 2012
    Inventors: Yoichi Kumada, Michimasa Kishimoto, Kyoko Hamasaki, Aya Nakagawa
  • Publication number: 20120046498
    Abstract: The present invention is a method for producing a polyhydric phenol, including the following steps (a) to (d): (a) a first step of producing (4S,5R,6S)-4,5,6-trihydroxy-2-cyclohexcene-1-one from 2-deoxy-scyllo-inosose by a dehydration reaction; (b) a second step of producing 1,2,4-trihydroxybenzene from the (4S,5R,6S)-4,5,6-trihydroxy-2-cyclohexene-1-one obtained in the first step by a dehydration reaction; (c) a third step of producing 4-hydroxycyclohexane-1,3-dione from the 1,2,4-trihydroxybenzene by a catalytic hydrogenation reaction with the use of a metal catalyst; and (d) a fourth step of producing hydroquinone by heating the 4-hydroxycyclohexane-1,3-dione.
    Type: Application
    Filed: April 27, 2010
    Publication date: February 23, 2012
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Hideo Kitagawa, Junya Kiyosu, Susumu Saito, Takaomi Hayashi, Naritoshi Yoshimura, Aya Nakagawa