Patents by Inventor Akiyoshi Yamauchi

Akiyoshi Yamauchi 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: 10774028
    Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: September 15, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Michiaki Okada, Akiyoshi Yamauchi, Yosuke Kishikawa
  • Publication number: 20200283370
    Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Michiaki OKADA, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA
  • Publication number: 20200280096
    Abstract: An electrolyte solution containing a compound represented by the following formula (1): wherein R101 and R102 are the same as or different from each other and are each a hydrogen atom, a fluorine atom, or an alkyl group optionally containing a fluorine atom; and R103 is an alkyl group or an organic group containing an unsaturated carbon-carbon bond. Also disclosed is an electrochemical device and lithium ion secondary battery including the electrolyte solution, and a module including the electrochemical device or lithium ion secondary battery.
    Type: Application
    Filed: October 4, 2018
    Publication date: September 3, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hisako NAKAMURA, Takaya YAMADA, Shigeaki YAMAZAKI, Yuuki SUZUKI, Kenzou TAKAHASHI, Akiyoshi YAMAUCHI, Kotaro HAYASHI
  • Publication number: 20200270203
    Abstract: A novel branched fluorine-containing compound represented by formula (1): (Rf—Y?n1L?X-A)n2??(1) wherein L represents a predetermined carbon-containing linker moiety; Rf, in each occurrence, is the same or different and represents fluoroalkyl optionally having at least one ether bond; Y, in each occurrence, is the same or different and represents a predetermined divalent linking group or a bond; RY, in each occurrence, is the same or different and represents hydrogen or an organic group; L represents an (n1+n2)-valent carbon-containing linker moiety having at least one carbon atom; n1 represents a number greater than or equal to 1; n2 represents a number greater than or equal to 1; n1+n2 is a number from 3 to 6; X, in each occurrence, is the same or different and represents a divalent linking group or a bond; A, in each occurrence, is the same or different and represents —ArSO3M or the like; M, in each occurrence, is the same or different and represents hydrogen, —NR4, or a metal salt; and R represents hydr
    Type: Application
    Filed: September 13, 2017
    Publication date: August 27, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masahiro HIGASHI, Moe HOSOKAWA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA
  • Publication number: 20200262709
    Abstract: A method for producing lithium fluorosulfonate which includes reacting XSO3H, wherein X is a leaving group other than fluorine, with a lithium source and a fluorine source. Also disclosed is a composition containing XSO3H.
    Type: Application
    Filed: September 18, 2018
    Publication date: August 20, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuuki SUZUKI, Akiyoshi YAMAUCHI, Kotaro HAYASHI, Yoshihiro YAMAMOTO, Yosuke KISHIKAWA, Tatsuya OHTSUKA, Atsushi MARUO, Hiroyuki ARIMA
  • Patent number: 10730824
    Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: August 4, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito Hamada, Michiaki Okada, Akiyoshi Yamauchi, Yosuke Kishikawa
  • 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: 20200203769
    Abstract: An electrolyte solution for a lithium ion secondary battery, containing a compound (1) represented by the following formula (1): wherein R1 and R2 are each independently a C1-C4 alkyl group optionally containing an ether bond, and wherein chloride ion is present at a concentration of 1.0×10?6 to 1.0×103 ppm. Also disclosed is an electrolyte solution for a lithium ion secondary battery, containing an imidazolium cation (1-1) represented by the following formula (1-1), a bis(oxalato)borate anion, and a hexafluorophosphate anion, the formula (1-1) being: wherein R1 and R2 are each independently a C1-C4 alkyl group optionally containing an ether bond, and wherein chloride ion is present at a concentration of 1.0×10?6 to 1.0×103 ppm.
    Type: Application
    Filed: July 12, 2018
    Publication date: June 25, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hisako NAKAMURA, Shigeaki YAMAZAKI, Kenzou TAKAHASHI, Yuuki SUZUKI, Akiyoshi YAMAUCHI, Kotaro HAYASHI
  • Publication number: 20200172476
    Abstract: A sulfuric acid ester containing a plurality of carbonyl groups or a salt thereof, and a surfactant. The sulfuric acid ester is a compound represented by the following formula: R1—C(?O)—R2—C(?O)—R3—OSO3X wherein R1, R2 and R3 are as defined herein; X is H, a metal atom, NR44, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent, where R4s are each H or an organic group and are the same as or different from each other; and any two of R1, R2, and R3 optionally bind to each other to form a ring.
    Type: Application
    Filed: September 29, 2017
    Publication date: June 4, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Satoru YONEDA, Manabu FUJISAWA, Kazuya ASANO, Takahiro KITAHARA, Masahiro HIGASHI, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA
  • Publication number: 20200024219
    Abstract: A carboxylic acid or sulfonic acid salt containing a plurality of carbonyl groups, and a surfactant represented by the following formula: R1—C(?O)—R2—C(?O)—R3-A wherein R1, R2 and R3 are as defined herein, and A is —COOX or —SO3X, wherein X is H, a metal atom, NR44, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent, where R4s are each H or an organic group and are the same as or different from each other; and any two of R1, R2, and R3 optionally bind to each other to form a ring.
    Type: Application
    Filed: September 29, 2017
    Publication date: January 23, 2020
    Applicant: Daikin Industries, Ltd.
    Inventors: Masahiro HIGASHI, Satoru YONEDA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA, Hirokazu AOYAMA
  • Publication number: 20200024222
    Abstract: The invention provides a novel hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester, or a salt thereof, and a surfactant. Each of them is a compound represented by the following formula (1): CR1R2R4—CR3R5—X-A wherein R1 to R5 are each H or a monovalent substituent; at least one of R1 or R3 is a group represented by the formula: —Y—R6; at least one of R2 or R5 is a group represented by the formula: —X-A or a group represented by the formula: —Y—R6; and As at the respective appearances are the same as or different from each other, and are each —COOM, —SO3M, or —OSO3M.
    Type: Application
    Filed: September 29, 2017
    Publication date: January 23, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masahiro HIGASHI, Satoru YONEDA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA, Hirokazu AOYAMA
  • Publication number: 20200024229
    Abstract: A sulfonic acid or carboxylic acid containing a carbonyl group, or a salt thereof represented by the following formula: R1—C(?O)—(CR22)—(OR3)p—(CR42)q-L-A wherein R1, R2, R3, R4, n, p, q, A and L are as defined herein.
    Type: Application
    Filed: March 30, 2018
    Publication date: January 23, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masahiro HIGASHI, Satoru YONEDA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA, Marina NAKANO, Shinnosuke NITTA, Hirokazu AOYAMA
  • Publication number: 20190256457
    Abstract: A novel branched fluorine-containing compound represented by formula (1): (Rf—Y?n1L?X-A)n2??(1) wherein L represents a predetermined carbon-containing linker moiety; Rf, in each occurrence, is the same or different and represents fluoroalkyl optionally having at least one ether bond; Y, in each occurrence, is the same or different and represents a predetermined divalent linking group or a bond; RY, in each occurrence, is the same or different and represents hydrogen or an organic group; L represents an (n1+n2)-valent carbon-containing linker moiety having at least one carbon atom; n1 represents a number greater than or equal to 1; n2 represents a number greater than or equal to 1; n1+n2 is a number from 3 to 6; X, in each occurrence, is the same or different and represents a divalent linking group or a bond; A, in each occurrence, is the same or different and represents —ArSO3M or the like; M, in each occurrence, is the same or different and represents hydrogen, —NR4, or a metal salt; and R represents hydr
    Type: Application
    Filed: September 14, 2017
    Publication date: August 22, 2019
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masahiro HIGASHI, Moe HOSOKAWA, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA
  • Patent number: 10199685
    Abstract: An electrolyte solution including a solvent, an electrolyte salt, and at least one compound (?) selected from an amine (A) represented by the formula (A): (wherein R1 and R2 may be the same as or different from each other, and individually represent a C1-C7 alkyl group; Rf1 represents a C1-C7 fluorinated alkyl group), and an amide (B) represented by the formula (B): (wherein R3, R4, and R5 may be the same as or different from each other, and individually represent a C1-C7 alkyl group). The amount of the compound (?) is 0.001 to 20 ppm in the electrolyte solution.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: February 5, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Akiyoshi Yamauchi, Shinichi Kinoshita
  • Publication number: 20180346404
    Abstract: A method for producing an asymmetric chain carbonate by reacting an alcohol with a halocarbonate ester compound in the presence of a basic magnesium salt.
    Type: Application
    Filed: November 22, 2016
    Publication date: December 6, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomohito HAMADA, Michiaki OKADA, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA
  • Patent number: 10141606
    Abstract: An electrolyte solution including a solvent and an electrolyte salt. The solvent contains a compound (A) represented by the formula (A) in an amount of 0.001 to 10 ppm in the electrolyte solution: wherein R1 and R2 may be the same as or different from each other, and individually represent a C1-C7 alkyl group.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: November 27, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Akiyoshi Yamauchi, Shinichi Kinoshita
  • Patent number: 9923240
    Abstract: An object of the present invention is to provide a lithium cell exhibiting a high remaining capacity after high-temperature storage even if used at high voltages, and an electrolytic solution used for the cell. The present invention relates to an electrolytic solution containing a nonaqueous solvent; an electrolyte salt; and 10 vol % or more of a compound represented by the following formula (1) based on 100 vol % of the nonaqueous solvent, wherein R1, R2 and R3 may be the same as or different from one another, each representing a hydrogen atom, a fluorine atom, a C1-C20 alkyl group, or a C1-C20 fluorinated alkyl group, excluding cases where all of R1, R2, and R3 are hydrogen atoms or fluorine atoms.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: March 20, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiko Kuwajima, Meiten Koh, Akiyoshi Yamauchi, Hideo Sakata, Hitomi Miyawaki, Akinori Tani, Shinichi Kinoshita
  • 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: 9627714
    Abstract: A non-aqueous electrolyte including (i) a compound represented by the general formula (1): X—R—SO2F??(1) where R is a C1-12 linear or branched alkylene group optionally containing an ether bond and optionally hydrogen atoms of the alkylene group are partly substituted by a fluorine atom(s); and X is a carboxylic acid derivative group), (ii) a non-aqueous solvent and (iii) an electrolyte salt.
    Type: Grant
    Filed: October 3, 2012
    Date of Patent: April 18, 2017
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Meiten Koh, Aoi Nakazono, Mayuko Taeda, Akiyoshi Yamauchi
  • 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