Patents by Inventor Michiru Kagawa

Michiru Kagawa 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: 20240110087
    Abstract: A heat exchanger including an aluminum substrate, and a water-repellent coating provided on a surface of the aluminum substrate, wherein the aluminum substrate has an anodized film on the surface, and the water-repellent coating is a film formed of a fluoropolyether group-containing compound.
    Type: Application
    Filed: November 20, 2023
    Publication date: April 4, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Michiru KAGAWA, Masamichi Morita, Ryo Inoue, Hiroki Yamaguchi, Tomohiro Nagano, Masatoshi Nose
  • Publication number: 20230375235
    Abstract: A process for producing spherical activated carbon is complex; therefore, an adsorbent that has an effective adsorption amount larger than or equal to that of spherical activated carbon and that is easily produced is desired. An adsorption heat pump uses, as refrigerant, carbon dioxide and uses, as an adsorbent, a metal-organic framework including a metal ion and an organic ligand. The metal-organic framework is, for example, MOF-200.
    Type: Application
    Filed: September 29, 2021
    Publication date: November 23, 2023
    Applicants: DAIKIN INDUSTRIES, LTD., Atomis Inc.
    Inventors: Kazuhiro FURUSHO, Akinari SUGIYAMA, Michiru KAGAWA, Daisuke ASARI, Dai KATAOKA, Kenji SUMIDA
  • Publication number: 20220267618
    Abstract: Provided are a composition for forming an anti-snow-accumulation film capable of forming a film that is unlikely to undergo snow accumulation, and an anti-snow-accumulation film. The composition for forming an anti-snow-accumulation film according to the present disclosure contains composite particles formed from fine particles each coated with a first polymer and a coating material component. The anti-snow-accumulation film according to present disclosure contains composite particles formed from fine particles each coated with a first polymer and a binder component. The anti-snow-accumulation film according to the present disclosure has a snow accumulation start time of 20 minutes or more as measured in a snow accumulation test. The anti-snow-accumulation film according to the present disclosure is unlikely to undergo snow accumulation.
    Type: Application
    Filed: May 13, 2022
    Publication date: August 25, 2022
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hiroki YAMAGUCHI, Ryou INOUE, Michiru KAGAWA, Masamichi MORITA
  • Publication number: 20220259441
    Abstract: The present disclosure provides a film-forming composition capable of forming a film having excellent water repellency, a high level of hardness, and excellent water resistance, and provides the film. The film-forming composition of the present disclosure contains an inorganic fine particle, a polymerizable component, and a water-repellent component, wherein the inorganic fine particle has an average particle size of 100 nm or more and 5 ?m or less, the content of the inorganic fine particle is 5 to 40 parts by mass per 100 parts by mass of the total mass of the inorganic fine particle, the polymerizable component, and the water-repellent component, and the water-repellent component is a polymer having at least a structure unit based on the compound represented by the following formula (1): wherein X represents a hydrogen atom etc., Y represents a direct bond, a C1-10 hydrocarbon group optionally having an oxygen atom etc.
    Type: Application
    Filed: May 3, 2022
    Publication date: August 18, 2022
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Ryou INOUE, Masamichi MORITA, Michiru KAGAWA, Hiroki YAMAGUCHI
  • Patent number: 10720664
    Abstract: The present invention provides a lithium ion secondary cell excellent in high-temperature storage characteristics and high voltage cycle characteristics; and a nonaqueous electrolyte for the cell.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: July 21, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Hideo Sakata, Meiten Koh, Akiyoshi Yamauchi, Hitomi Nakazawa, Tomoyo Sanagi, Aoi Nakazono, Yuki Adachi, Kyouhei Sawaki, Akinori Tani, Masahiro Tomita, Michiru Kagawa
  • Publication number: 20180223116
    Abstract: A coating material capable of forming a film that is free of squeakiness and is less likely to suffer staining of clothing dye on the surface of a base such as a rubber molded article. The coating material contains fluororesin primary particles having an average particle size of 0.2 to 200 nm, a curable silicone resin in an amount of 0.1 to 250 mass % relative to the fluororesin primary particles, and water.
    Type: Application
    Filed: August 5, 2016
    Publication date: August 9, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kouji KUBOTA, Akiko OYA, Michiru KAGAWA, Yoshinori NANBA, Hiroki YAMAGUCHI
  • Patent number: 9806378
    Abstract: The present invention aims to provide an electrolyte solution for forming, for example, a secondary battery having excellent oxidation resistance and high voltage cycle characteristics; an electrochemical device such as a lithium-ion secondary battery that contains the electrolyte solution; and a module that contains the electrochemical device. The present invention provides an electrolyte solution containing a solvent and an electrolyte salt, wherein the solvent contains a fluorine-containing compound (A) represented by formula (1) shown below, and a fluorine-containing compound (B) represented by formula (2) shown below: Rf1OCOOR??(1) wherein Rf1 is a C1-C4 fluorine-containing alkyl group, and R is a C1-C4 non-fluorinated alkyl group, and Rf2OCOORf3??(2) wherein Rf2 and Rf3 are the same or different, and each is a C1-C4 fluorine-containing alkyl group.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: October 31, 2017
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Mayuko Taeda, Meiten Koh, Aoi Nakazono, Michiru Kagawa, Akiyoshi Yamauchi
  • Patent number: 9666905
    Abstract: An electrolytic solution including a nonaqueous solvent (I), an electrolyte salt (II), and 0.001 to 20% by mass of a compound represented by the formula (1) or the formula (A) as defined herein.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: May 30, 2017
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Mayuko Taeda, Meiten Koh, Aoi Nakazono, Michiru Kagawa, Yoshiko Kuwajima, Michiaki Okada, Tomoo Shimada, Shinichi Kinoshita
  • Patent number: 9570778
    Abstract: The present invention aims to provide an electrolyte solution for forming, for example, a secondary battery having excellent oxidation resistance and high-temperature storage characteristics; an electrochemical device such as a lithium-ion secondary battery that contains the electrolyte solution; and a module that contains the electrochemical device. The present invention provides an electrolyte solution containing a solvent and an electrolyte salt, wherein the solvent contains a fluorine-containing compound (A) represented by formula (1) shown below in an amount of 0.01 to 20% by mass, and a fluorine-containing compound (B) represented by formula (2) shown below in an amount of 10 to 80% by mass: Rf1OCOOR??(1) wherein Rf1 is a C1-C4 fluorine-containing alkyl group, and R is a C1-C4 non-fluorinated alkyl group, and Rf2OCOORf3??(2) wherein Rf2 and Rf3 are the same or different, and each is a C1-C4 fluorine-containing alkyl group.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: February 14, 2017
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Shigeaki Yamazaki, Hideo Sakata, Mayuko Taeda, Meiten Koh, Aoi Nakazono, Michiru Kagawa, Akiyoshi Yamauchi
  • Publication number: 20160006078
    Abstract: The present invention aims to provide an electrolytic solution which restrains gas generation and has excellent battery characteristics. The electrolytic solution includes a nonaqueous solvent (I), an electrolyte salt (II), and 0.
    Type: Application
    Filed: February 27, 2014
    Publication date: January 7, 2016
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Mayuko TAEDA, Meiten KOH, Aoi NAKAZONO, Michiru KAGAWA, Yoshiko KUWAJIMA, Michiaki OKADA, Tomoo SHIMADA, Shinichi KINOSHITA
  • Publication number: 20150235772
    Abstract: A nonaqueous electrolyte solution including: a nonaqueous solvent; and an electrolyte salt. The nonaqueous solvent contains a fluorinated linear carbonate (A) represented by Formula (1): RfOCOOR where Rf represents a C1-4 fluorinated alkyl group and R represents a C1-4 alkyl group, and at least one cyclic carbonate (B) selected from ethylene carbonate, propylene carbonate, and fluoroethylene carbonate. The nonaqueous solvent also contains at least one compound (?) and at least one compound (?) as defined herein. The compound (?) is contained in an amount of 5000 ppm or less based on the amount of the fluorinated linear carbonate (A), and the compound (?) is contained in an amount of 50 ppm or less based on the amount of the cyclic carbonate (B). Also disclosed is an electrochemical device and a lithium ion secondary cell containing the nonaqueous electrolyte solution and a module including the lithium ion secondary cell.
    Type: Application
    Filed: September 25, 2013
    Publication date: August 20, 2015
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hideo Sakata, Meiten Koh, Shigeaki Yamazaki, Akiyoshi Yamauchi, Michiru Kagawa, Aoi Nakazono
  • Publication number: 20150086877
    Abstract: The present invention aims to provide an electrolyte solution for forming, for example, a secondary battery having excellent oxidation resistance and high-temperature storage characteristics; an electrochemical device such as a lithium-ion secondary battery that contains the electrolyte solution; and a module that contains the electrochemical device. The present invention provides an electrolyte solution containing a solvent and an electrolyte salt, wherein the solvent contains a fluorine-containing compound (A) represented by formula (1) shown below in an amount of 0.01 to 20% by mass, and a fluorine-containing compound (B) represented by formula (2) shown below in an amount of 10 to 80% by mass: Rf1OCOOR??(1) wherein Rf1 is a C1-C4 fluorine-containing alkyl group, and R is a C1-C4 non-fluorinated alkyl group, and Rf2OCOORf3??(2) wherein Rf2 and Rf3 are the same or different, and each is a C1-C4 fluorine-containing alkyl group.
    Type: Application
    Filed: April 12, 2013
    Publication date: March 26, 2015
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Shigeaki Yamazaki, Hideo Sakata, Mayuko Taeda, Meiten Koh, Aoi Nakazono, Michiru Kagawa, Akiyoshi Yamauchi
  • Publication number: 20150086876
    Abstract: The present invention aims to provide an electrolyte solution for forming, for example, a secondary battery having excellent oxidation resistance and high voltage cycle characteristics; an electrochemical device such as a lithium-ion secondary battery that contains the electrolyte solution; and a module that contains the electrochemical device. The present invention provides an electrolyte solution containing a solvent and an electrolyte salt, wherein the solvent contains a fluorine-containing compound (A) represented by formula (1) shown below, and a fluorine-containing compound (B) represented by formula (2) shown below: Rf1OCOOR??(1) wherein Rf1 is a C1-C4 fluorine-containing alkyl group, and R is a C1-C4 non-fluorinated alkyl group, and Rf2OCOORf3??(2) wherein Rf2 and Rf3 are the same or different, and each is a C1-C4 fluorine-containing alkyl group.
    Type: Application
    Filed: April 12, 2013
    Publication date: March 26, 2015
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Mayuko Taeda, Meiten Koh, Aoi Nakazono, Michiru Kagawa, Akiyoshi Yamauchi
  • Patent number: 8835696
    Abstract: There is provided a method of preparing a high purity fluorine-containing ether which inhibits a side reaction generating an unsaturated bond and assures low cost and simple steps. When preparing the fluorine-containing ether by allowing a fluorine-containing alkyl alcohol to react with a fluorinated olefin in the presence of a basic compound, a reaction is terminated at a stage before a conversion ratio of the fluorine-containing alkyl alcohol reaches 75%.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: September 16, 2014
    Assignee: Daikin Industries, Ltd.
    Inventors: Michiru Kagawa, Aoi Nakazono, Akiyoshi Yamauchi, Meiten Koh
  • Publication number: 20140017560
    Abstract: The present invention provides a lithium ion secondary cell excellent in high-temperature storage characteristics and high voltage cycle characteristics; and a nonaqueous electrolyte for the cell.
    Type: Application
    Filed: March 29, 2012
    Publication date: January 16, 2014
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hideo Sakata, Meiten Koh, Akiyoshi Yamauchi, Hitomi Nakazawa, Tomoyo Sanagi, Aoi Nakazono, Yuki Adachi, Kyouhei Sawaki, Akinori Tani, Masahiro Tomita, Michiru Kagawa
  • Patent number: 8519161
    Abstract: There is provided a process for preparing a fluoropropylene carbonate safely at high yield by one step (one pot), and the process is characterized by allowing a fluorinating agent to act on a propylene carbonate derivative having a group to be released in a fluorination reaction.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: August 27, 2013
    Assignee: Daikin Industries, Ltd.
    Inventors: Meiten Koh, Michiru Kagawa, Akiyoshi Yamauchi
  • Patent number: 8415056
    Abstract: There is provided a non-aqueous electrolytic solution assuring good solubility of an electrolyte salt and having enough cell characteristics (charge and discharge cycle characteristic, discharge capacity, and the like), and the non-aqueous electrolytic solution comprises a solvent for dissolving an electrolyte salt comprising (A) at least one fluorine-containing solvent selected from the group consisting of fluorine-containing ethers and fluorine-containing carbonates, (B) a non-fluorine-containing cyclic carbonate and (C) a chain ester represented by the formula (C): R1COOR2, wherein R1 is an alkyl group having 2 to 4 carbon atoms; R2 is an alkyl group having 1 to 4 carbon atoms or a fluorine-containing alkyl group having 1 to 4 carbon atoms, and (II) an electrolyte salt.
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: April 9, 2013
    Assignee: Daikin Industries, Ltd.
    Inventors: Meiten Koh, Hitomi Nakazawa, Hideo Sakata, Michiru Kagawa, Akiyoshi Yamauchi
  • Patent number: 8372547
    Abstract: There is provided a non-aqueous electrolytic solution assuring good solubility of an electrolyte salt and having enough cell characteristics (charge and discharge cycle characteristic, discharge capacity, and the like), and the non-aqueous electrolytic solution comprises a solvent for dissolving an electrolyte salt comprising (A) at least one fluorine-containing solvent selected from the group consisting of fluorine-containing ethers and fluorine-containing carbonates, (B) a non-fluorine-containing cyclic carbonate and (C) a chain ester represented by the formula (C): R1COOR2, wherein R1 is an alkyl group having 2 to 4 carbon atoms; R2 is an alkyl group having 1 to 4 carbon atoms or a fluorine-containing alkyl group having 1 to 4 carbon atoms, and (II) an electrolyte salt.
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: February 12, 2013
    Assignee: Daikin Industries, Ltd.
    Inventors: Meiten Koh, Hitomi Nakazawa, Hideo Sakata, Michiru Kagawa, Akiyoshi Yamauchi
  • Publication number: 20120083629
    Abstract: The present invention provides a method for efficiently producing a highly pure fluoroether containing remarkably low concentration of a fluorine-containing alkyl alcohol. The method is suited for scale-up and specifically includes performing countercurrent separation of a crude solution of fluoroether including a fluorine-containing alkyl alcohol as an impurity using water.
    Type: Application
    Filed: June 15, 2010
    Publication date: April 5, 2012
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Michiru Kagawa, Aoi Nakazono, Yasuhide Senba, Hitoshi Motoyama, Toru Yoshizawa, Meiten Koh
  • Publication number: 20110123872
    Abstract: There is provided a non-aqueous electrolytic solution assuring good solubility of an electrolyte salt and having enough cell characteristics (charge and discharge cycle characteristic, discharge capacity, and the like), and the non-aqueous electrolytic solution comprises a solvent for dissolving an electrolyte salt comprising (A) at least one fluorine-containing solvent selected from the group consisting of fluorine-containing ethers and fluorine-containing carbonates, (B) a non-fluorine-containing cyclic carbonate and (C) a chain ester represented by the formula (C): R1COOR2, wherein R1 is an alkyl group having 2 to 4 carbon atoms; R2 is an alkyl group having 1 to 4 carbon atoms or a fluorine-containing alkyl group having 1 to 4 carbon atoms, and (II) an electrolyte salt.
    Type: Application
    Filed: July 6, 2009
    Publication date: May 26, 2011
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Meiten Koh, Hitomi Nakazawa, Hideo Sakata, Michiru Kagawa, Akiyoshi Yamauchi