Patents by Inventor Atsushi Fujimori

Atsushi Fujimori 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: 11718574
    Abstract: The present invention is a solvent composition including: a solvent including 1-chloro-2,3,3-trifluoro-1-propene; and at least one type of stabilizer selected from a group consisting of phenols, ethers, epoxides, amines, alcohols, and hydrocarbons, and is a solvent composition which is excellent in solubility of various organic substances and has no adverse effect on a global environment, and is excellent in stability, and this solvent composition can be used for a wide range of industrial uses such as cleaning, coating uses, and a heat transfer fluid.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: August 8, 2023
    Assignee: AGC Inc.
    Inventors: Hiroaki Mitsuoka, Toshio Miki, Masahiko Nakamura, Mari Ichinokawa, Hidekazu Okamoto, Atsushi Fujimori
  • Patent number: 11440862
    Abstract: There are provided a solvent composition which is excellent in solubility of various organic substances and excellent in detergency and a drying property, and has no adverse effect on a global environment and is excellent in stability; a cleaning method using the solvent composition; a method of forming a coating film; a heat transfer fluid including the solvent composition; and a heat cycle system using the heat transfer fluid. A solvent composition including 1-chloro-2,3,3-trifluoro-1-propene and 1-chloro-3,3-difluoro-1-propyne, a cleaning method of bringing the solvent composition and an article into contact with each other, a method of dissolving a nonvolatile organic compound in the solvent composition to produce a coating film-forming composition and evaporating the solvent composition after applying the coating film-forming composition on an article to be coated, to form a coating film, a heat transfer fluid including the solvent composition, and a heat cycle system using the heat transfer fluid.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: September 13, 2022
    Assignee: AGC Inc.
    Inventors: Masahiko Nakamura, Hiroaki Mitsuoka, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Patent number: 11427521
    Abstract: A cleaning method may include: bringing an article to be cleaned into contact with a liquid-phase solvent composition including 1-chloro-2,3,3-trifluoro-1-propene and 1-chloro-2,2,3,3-tetrafluoropropane; and exposing the article to be cleaned to steam generated by evaporating the liquid-phase solvent composition. In the liquid-phase composition, a proportion of a content of 1-chloro-2,2,3,3-tetrafluoropropane to a total of a content of 1-chloro-2,3,3-trifluoro-1-propene and a content of 1-chloro-2,2,3,3-tetrafluoropropane may be 0.0001 to 1 mass %.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: August 30, 2022
    Assignee: AGC Inc.
    Inventors: Masahiko Nakamura, Hiroaki Mitsuoka, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Publication number: 20220153666
    Abstract: The present invention is a solvent composition including: a solvent including 1-chloro-2,3,3-trifluoro-1-propene; and at least one type of stabilizer selected from a group consisting of phenols, ethers, epoxides, amines, alcohols, and hydrocarbons, and is a solvent composition which is excellent in solubility of various organic substances and has no adverse effect on a global environment, and is excellent in stability, and this solvent composition can be used for a wide range of industrial uses such as cleaning, coating uses, and a heat transfer fluid.
    Type: Application
    Filed: May 5, 2021
    Publication date: May 19, 2022
    Applicant: AGC Inc.
    Inventors: Hiroaki MITSUOKA, Toshio MIKI, Masahiko NAKAMURA, Mari ICHINOKAWA, Hidekazu OKAMOTO, Atsushi FUJIMORI
  • Patent number: 11254824
    Abstract: To provide a solvent composition in which various organic substances are soluble, and which has no adverse effect on global environment. A solvent composition comprising 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene, a cleaning method using the solvent composition, a method for producing a substrate with a coating film, and a heat transfer fluid.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: February 22, 2022
    Assignee: AGC Inc.
    Inventors: Hiroaki Mitsuoka, Toshio Miki, Tsuyoshi Hanada, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Publication number: 20210276934
    Abstract: The present invention is a solvent composition including: a solvent including 1-chloro-2,3,3-trifluoro-1-propene; and at least one type of stabilizer selected from a group consisting of phenols, ethers, epoxides, amines, alcohols, and hydrocarbons, and is a solvent composition which is excellent in solubility of various organic substances and has no adverse effect on a global environment, and is excellent in stability, and this solvent composition can be used for a wide range of industrial uses such as cleaning, coating uses, and a heat transfer fluid.
    Type: Application
    Filed: May 5, 2021
    Publication date: September 9, 2021
    Applicant: AGC Inc.
    Inventors: Hiroaki MITSUOKA, Toshio MIKI, Masahiko NAKAMURA, Mari ICHINOKAWA, Hidekazu OKAMOTO, Atsushi FUJIMORI
  • Publication number: 20210188745
    Abstract: A cleaning method may include: bringing an article to be cleaned into contact with a liquid-phase solvent composition including 1-chloro-2,3,3-trifluoro-1-propene and 1-chloro-2,2,3,3-tetrafluoropropane; and exposing the article to be cleaned to steam generated by evaporating the liquid-phase solvent composition. In the liquid-phase composition, a proportion of a content of 1-chloro-2,2,3,3-tetrafluoropropane to a total of a content of 1-chloro-2,3,3-trifluoro-1-propene and a content of 1-chloro-2,2,3,3-tetrafluoropropane may be 0.0001 to 1 mass %.
    Type: Application
    Filed: March 4, 2021
    Publication date: June 24, 2021
    Applicant: AGC Inc.
    Inventors: Masahiko NAKAMURA, Hiroaki MITSUOKA, Mari ICHINOKAWA, Atsushi FUJIMORI, Hidekazu OKAMOTO
  • Patent number: 11034637
    Abstract: The present invention is a solvent composition including: a solvent including 1-chloro-2,3,3-trifluoro-1-propene; and at least one type of stabilizer selected from a group consisting of phenols, ethers, epoxides, amines, alcohols, and hydrocarbons, and is a solvent composition which is excellent in solubility of various organic substances and has no adverse effect on a global environment, and is excellent in stability, and this solvent composition can be used for a wide range of industrial uses such as cleaning, coating uses, and a heat transfer fluid.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: June 15, 2021
    Assignee: AGC Inc.
    Inventors: Hiroaki Mitsuoka, Toshio Miki, Masahiko Nakamura, Mari Ichinokawa, Hidekazu Okamoto, Atsushi Fujimori
  • Patent number: 10975008
    Abstract: There are provided: a solvent composition which is excellent in solubility of various organic substances and excellent in detergency, and has no adverse effect on a global environment, is excellent in stability, and is capable of suppressing corrosion of metal; a cleaning method using the solvent composition; a method of forming a coating film; a heat transfer fluid including the solvent composition; and a heat cycle system using the heat transfer fluid. A solvent composition including HCFO-1233yd and HCFC-244ca, in which a content of HCFC-244ca to a total of HCFO-1233yd and HCFC-244ca is 0.0001 to 1 mass %, a cleaning method of contacting the solvent composition with an article, a method of forming a coating film consisting of the nonvolatile organic compound using the solvent composition and a nonvolatile organic compound, a heat transfer fluid including the solvent composition, and a heat cycle system using the heat transfer fluid.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: April 13, 2021
    Assignee: AGC Inc.
    Inventors: Masahiko Nakamura, Hiroaki Mitsuoka, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Publication number: 20200407297
    Abstract: There are provided a solvent composition which is excellent in solubility of various organic substances and excellent in detergency and a drying property, and has no adverse effect on a global environment and is excellent in stability; a cleaning method using the solvent composition; a method of forming a coating film; a heat transfer fluid including the solvent composition; and a heat cycle system using the heat transfer fluid. A solvent composition including 1-chloro-2,3,3-trifluoro-1-propene and 1-chloro-3,3-difluoro-1-propyne, a cleaning method of bringing the solvent composition and an article into contact with each other, a method of dissolving a nonvolatile organic compound in the solvent composition to produce a coating film-forming composition and evaporating the solvent composition after applying the coating film-forming composition on an article to be coated, to form a coating film, a heat transfer fluid including the solvent composition, and a heat cycle system using the heat transfer fluid.
    Type: Application
    Filed: September 14, 2020
    Publication date: December 31, 2020
    Applicant: AGC Inc.
    Inventors: Masahiko Nakamura, Hiroaki Mitsuoka, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Patent number: 10807926
    Abstract: There are provided a solvent composition which is excellent in solubility of various organic substances and excellent in detergency and a drying property, and has no adverse effect on a global environment and is excellent in stability; a cleaning method using the solvent composition; a method of forming a coating film; a heat transfer fluid including the solvent composition; and a heat cycle system using the heat transfer fluid. A solvent composition including 1-chloro-2,3,3-trifluoro-1-propene and 1-chloro-3,3-difluoro-1-propyne, a cleaning method of bringing the solvent composition and an article into contact with each other, a method of dissolving a nonvolatile organic compound in the solvent composition to produce a coating film-forming composition and evaporating the solvent composition after applying the coating film-forming composition on an article to be coated, to form a coating film, a heat transfer fluid including the solvent composition, and a heat cycle system using the heat transfer fluid.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: October 20, 2020
    Assignee: AGC Inc.
    Inventors: Masahiko Nakamura, Hiroaki Mitsuoka, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Publication number: 20200255361
    Abstract: The present invention is a solvent composition including: a solvent including 1-chloro-2,3,3-trifluoro-1-propene; and at least one type of stabilizer selected from a group consisting of phenols, ethers, epoxides, amines, alcohols, and hydrocarbons, and is a solvent composition which is excellent in solubility of various organic substances and has no adverse effect on a global environment, and is excellent in stability, and this solvent composition can be used for a wide range of industrial uses such as cleaning, coating uses, and a heat transfer fluid.
    Type: Application
    Filed: May 1, 2020
    Publication date: August 13, 2020
    Applicant: AGC Inc.
    Inventors: Hiroaki MITSUOKA, Toshio MIKI, Masahiko NAKAMURA, Mari ICHINOKAWA, Hidekazu OKAMOTO, Atsushi FUJIMORI
  • Patent number: 10723679
    Abstract: Provided is a method for producing (Z)-1-chloro-2,3,3-trifluoro-1-propene where (E)-1-chloro-2,3,3-trifluoro-1-propene and water can be efficiently removed and (Z)-1-chloro-2,3,3-trifluoro-1-propene with higher purity can be obtained at a higher recovery ratio. The method for producing (Z)-1-chloro-2,3,3-trifluoro-1-propene includes: distilling a distillation composition which contains (Z)-1-chloro-2,3,3-trifluoro-1-propene, (E)-1-chloro-2,3,3-trifluoro-1-propene and water to remove (E)-1-chloro-2,3,3-trifluoro-1-propene and water as an azeotropic composition or an azeotropic-like composition.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: July 28, 2020
    Assignee: AGC Inc.
    Inventors: Masahiko Nakamura, Atsushi Fujimori, Mari Ichinokawa, Hidekazu Okamoto, Hiroaki Mitsuoka
  • Publication number: 20200190341
    Abstract: To provide a solvent composition in which various organic substances are soluble, and which has no adverse effect on global environment. A solvent composition comprising 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene, a cleaning method using the solvent composition, a method for producing a substrate with a coating film, and a heat transfer fluid.
    Type: Application
    Filed: February 21, 2020
    Publication date: June 18, 2020
    Applicant: AGC Inc.
    Inventors: Hiroaki MITSUOKA, Toshio MIKI, Tsuyoshi HANADA, Mari ICHINOKAWA, Atsushi FUJIMORI, Hidekazu OKAMOTO
  • Patent number: 10683249
    Abstract: The present invention is a solvent composition including: a solvent including 1-chloro-2,3,3-trifluoro-1-propene; and at least one type of stabilizer selected from a group consisting of phenols, ethers, epoxides, amines, alcohols, and hydrocarbons, and is a solvent composition which is excellent in solubility of various organic substances and has no adverse effect on a global environment, and is excellent in stability, and this solvent composition can be used for a wide range of industrial uses such as cleaning, coating uses, and a heat transfer fluid.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: June 16, 2020
    Assignee: AGC Inc.
    Inventors: Hiroaki Mitsuoka, Toshio Miki, Masahiko Nakamura, Mari Ichinokawa, Hidekazu Okamoto, Atsushi Fujimori
  • Patent number: 10654778
    Abstract: To provide a method for producing 1-chloro-2,3,3-trifluoropropene, whereby it is possible to efficiently remove 1-chloro-3,3-difluoro-1-propyne and/or an oxide from a composition comprising 1-chloro-2,3,3-trifluoropropene. A method for producing 1-chloro-2,3,3-trifluoropropene, in which a composition comprising 1-chloro-2,3,3-trifluoropropene and at least one member selected from 1-chloro-3,3-difluoro-1-propyne and an oxide, is brought into contact with a basic aqueous solution to remove said at least one member selected from 1-chloro-3,3-difluoro-1-propyne and an oxide, from the composition.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: May 19, 2020
    Assignee: AGC Inc.
    Inventors: Masahiko Nakamura, Atsushi Fujimori, Mari Ichinokawa, Hidekazu Okamoto, Hiroaki Mitsuoka
  • Publication number: 20200087231
    Abstract: There are provided: a solvent composition which is excellent in solubility of various organic substances and excellent in detergency, and has no adverse effect on a global environment, is excellent in stability, and is capable of suppressing corrosion of metal; a cleaning method using the solvent composition; a method of forming a coating film; a heat transfer fluid including the solvent composition; and a heat cycle system using the heat transfer fluid. A solvent composition including HCFO-1233yd and HCFC-244ca, in which a content of HCFC-244ca to a total of HCFO-1233yd and HCFC-244ca is 0.0001 to 1 mass %, a cleaning method of contacting the solvent composition with an article, a method of forming a coating film consisting of the nonvolatile organic compound using the solvent composition and a nonvolatile organic compound, a heat transfer fluid including the solvent composition, and a heat cycle system using the heat transfer fluid.
    Type: Application
    Filed: November 22, 2019
    Publication date: March 19, 2020
    Applicant: AGC Inc.
    Inventors: Masahiko Nakamura, Hiroaki Mitsuoka, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Publication number: 20200031744
    Abstract: Provided is a method for producing (Z)-1-chloro-2,3,3-trifluoro-1-propene where (E)-1-chloro-2,3,3-trifluoro-1-propene and water can be efficiently removed and (Z)-1-chloro-2,3,3-trifluoro-1-propene with higher purity can be obtained at a higher recovery ratio. The method for producing (Z)-1-chloro-2,3,3-trifluoro-1-propene includes: distilling a distillation composition which contains (Z)-1-chloro-2,3,3-trifluoro-1-propene, (E)-1-chloro-2,3,3-trifluoro-1-propene and water to remove (E)-1-chloro-2,3,3-trifluoro-1-propene and water as an azeotropic composition or an azeotropic-like composition.
    Type: Application
    Filed: October 4, 2019
    Publication date: January 30, 2020
    Applicant: AGC Inc.
    Inventors: Masahiko Nakamura, Atsushi Fujimori, Mari Ichinokawa, Hidekazu Okamoto, Hiroaki Mitsuoka
  • Patent number: 10487030
    Abstract: There are provided: a solvent composition which is excellent in solubility of various organic substances and excellent in detergency, and has no adverse effect on a global environment, is excellent in stability, and is capable of suppressing corrosion of metal; a cleaning method using the solvent composition; a method of forming a coating film; a heat transfer fluid including the solvent composition; and a heat cycle system using the heat transfer fluid. A solvent composition including HCFO-1233yd and HCFC-244ca, in which a content of HCFC-244ca to a total of HCFO-1233yd and HCFC-244ca is 0.0001 to 1 mass %, a cleaning method of contacting the solvent composition with an article, a method of forming a coating film consisting of the nonvolatile organic compound using the solvent composition and a nonvolatile organic compound, a heat transfer fluid including the solvent composition, and a heat cycle system using the heat transfer fluid.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: November 26, 2019
    Assignee: AGC Inc.
    Inventors: Masahiko Nakamura, Hiroaki Mitsuoka, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Patent number: D1003180
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: October 31, 2023
    Assignee: OPTEX CO., LTD.
    Inventors: Atsushi Fujimori, Koki Horiguchi, Takeo Hyodo, Tomoyuki Ohba