Patents by Inventor Tomoya Hidaka

Tomoya Hidaka 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: 20250096327
    Abstract: Provided are an electrolytic solution that can allow a secondary battery comprising a silicon negative electrode to be improved in life and suppressed in an increase in resistance, and a secondary battery using the electrolytic solution. An electrolytic solution for use in a battery comprising an electrode having a negative electrode material containing a silicon element and a carbon element, wherein the electrolytic solution comprises less than 10% by mass of a fluorinated ether represented by the following general formula (1): HCF2CF2—O—R (1), wherein R is a fluorinated alkyl group.
    Type: Application
    Filed: December 5, 2024
    Publication date: March 20, 2025
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya HIDAKA, Junpei TERADA, Shigeaki YAMAZAKI, Toshiharu SHIMOOKA, Mariko FUJI, Kae FUJIWARA
  • Patent number: 12249689
    Abstract: An electrolyte solution containing a compound (1) represented by the formula (1): wherein R1 and R2 are each independently a C1-C4 alkyl group optionally containing an ether bond; and a compound (11) represented by the formula (11): wherein R101 and R102 are each independently a substituent that is a C1-C7 alkyl group or the like. The substituent optionally contains one or more divalent to hexavalent hetero atoms in its structure, with one or more hydrogen atoms each optionally replaced by a fluorine atom or a C0-C7 functional group. Also disclosed is an electrochemical device containing the electrolyte solution, a lithium ion secondary battery containing the electrolyte solution, and a module including the electrochemical device or the lithium ion secondary battery.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: March 11, 2025
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya Hidaka, Shigeaki Yamazaki, Akinori Tani, Yoshiko Kuwajima
  • Patent number: 12183887
    Abstract: An electrolyte solution containing at least one compound (1) selected from a compound represented by the following formula (1-1) and a compound represented by the following formula (1-2), the formula (1-1) being: wherein R111 to R113 are each individually a C1-C4 linear alkyl group, the formula (1-2) being: wherein R121 to R123 are each individually a C1-C4 linear alkyl group.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: December 31, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya Hidaka, Masakazu Kinoshita, Yoshiko Kuwajima, Takaya Yamada, Shigeaki Yamazaki, Yuuki Suzuki, Kenzou Takahashi
  • Patent number: 12113171
    Abstract: A compound represented by the following formula (1): wherein R101 to R103, each independently, are a C1-C6 organic group, optionally contain at least one selected from the group consisting of a hetero atom and an unsaturated bond, and are optionally linear, branched, or cyclic. Also disclosed is an electrolyte solution containing the compound, an electrochemical device containing the electrolyte solution, a lithium ion secondary battery containing the electrolyte solution and a module including the electrochemical device or the lithium ion secondary battery.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: October 8, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya Hidaka, Shigeaki Yamazaki, Akinori Tani, Yoshiko Kuwajima
  • Patent number: 12107225
    Abstract: An electrolyte solution containing a compound represented by the following formula (1).
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: October 1, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masakazu Kinoshita, Tomoya Hidaka, Yoshiko Kuwajima, Yuuki Suzuki, Akiyoshi Yamauchi, Kotaro Hayashi, Shigeaki Yamazaki, Kenzou Takahashi, Takaya Yamada
  • Patent number: 12074290
    Abstract: An electrolyte solution for a lithium ion secondary battery, including a compound (1) represented by the following formula (1): wherein R1 and R2 are each independently a methyl, ethyl, propyl, or butyl group. Also disclosed is a lithium ion secondary battery including the electrolyte solution and a module including the lithium ion secondary battery.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: August 27, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya Hidaka, Shigeaki Yamazaki
  • Patent number: 12015121
    Abstract: An electrolyte solution containing at least one compound (1) selected from the group consisting of a compound represented by the following formula (1-1) (wherein R111 to R113 are each individually a C1-C4 linear or branched alkyl group, and at least one selected from R111 to R113 is a C1-C4 branched alkyl group) and a compound represented by the following formula (1-2) (wherein R121 to R123 are each individually a C1-C4 linear or branched alkyl group, and at least one selected from R121 to R123 is a C1-C4 branched alkyl group).
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: June 18, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya Hidaka, Masakazu Kinoshita, Yoshiko Kuwajima, Takaya Yamada, Shigeaki Yamazaki, Kenzou Takahashi, Yuuki Suzuki
  • Patent number: 12002926
    Abstract: An electrolyte solution containing LiFSO3 and a compound (1) represented by the following formula (1): LiZ, wherein Z is PF6, BF4, N(FSO2)2, N(CF3SO2)2, N(C2F5SO2)2, PO2F2, or B(C2O4)2. The electrolyte solution has a ratio [FSO3]/[Z] of a molar content of FSO3 [FSO3] to a molar content of Z [Z] of 3 to 1000. Also disclosed is an electrochemical device including the electrolyte solution, a lithium ion secondary battery including the electrolyte solution and a module including the electrochemical device.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: June 4, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masakazu Kinoshita, Yuuki Suzuki, Shigeaki Yamazaki, Kenzou Takahashi, Tomoya Hidaka, Yoshiko Kuwajima, Akiyoshi Yamauchi, Kotaro Hayashi
  • Patent number: 11996522
    Abstract: An electrolyte solution containing a compound represented by formula (1) and a compound represented, for example, by formula (11-1), the formula (1) being: wherein M101 is P or P?O; R101 is a group such as a C1-C11 alkylsilyloxy group; n101 is an oxidation number of M101 minus 1 or an oxidation number of M101 minus 3; and R102 to R104 are each individually a group such as a C1-C11 alkyl group; the formula (11-1) being: wherein R111 and R112 are the same as or different from each other and are each an atom or group such as a hydrogen atom; and R113 is a group such as an alkyl group free from a fluorine atom.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: May 28, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiko Kuwajima, Tomoya Hidaka, Masakazu Kinoshita, Yuuki Suzuki, Toshiharu Shimooka, Hisako Nakamura, Takaya Yamada, Shigeaki Yamazaki, Akiyoshi Yamauchi, Kotaro Hayashi, Yoshihiro Yamamoto, Kenzou Takahashi
  • Publication number: 20240154164
    Abstract: Provided is a nonaqueous electrolyte solution for a lithium secondary battery, the nonaqueous electrolyte solution containing a compound (I) represented by Formula (I) and a compound (II) represented by Formula (II). In Formula (I), each of R1 and R2 independently represents a substituent such as an alkyl group having from 1 to 7 carbon atoms. In Formula (II), R3 represents an oxygen atom or the like; R4 represents a group represented by Formula (ii-1), a group represented by Formula (ii-2), or the like; and * represents a binding position. In Formula (ii-1), R41 represents an oxymethylene group or the like and, in Formula (ii-2), R42 represents an alkyl group having from 1 to 6 carbon atoms, or the like.
    Type: Application
    Filed: January 17, 2022
    Publication date: May 9, 2024
    Applicants: MITSUI CHEMICALS, INC., DAIKIN INDUSTRIES, LTD.
    Inventors: Yusuke SHIMIZU, Hidenobu NOGI, Masahiro SUGURO, Yoshiko KUWAJIMA, Tomoya HIDAKA, Kae FUJIWARA, Shigeaki YAMAZAKI
  • Publication number: 20240145780
    Abstract: An electrolyte solution capable of reducing the initial resistance of an electrochemical device, and an electrochemical device including the electrolyte solution. The electrolyte solution contains a compound represented by formula (I-1): wherein R111 to R113 are each individually a C1-C4 linear alkyl group, and wherein the compound (1-1) is present in an amount of 0.01-1000 mass ppm relative to the electrolyte solution.
    Type: Application
    Filed: November 30, 2023
    Publication date: May 2, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya HIDAKA, Masakazu KINOSHITA, Yoshiko KUWAJIMA, Takaya YAMADA, Shigeaki YAMAZAKI, Yuuki SUZUKI, Kenzou TAKAHASHI
  • Patent number: 11916195
    Abstract: An electrolyte solution containing a compound (1) represented by the formula (1), (wherein R101 and R102 are each individually a substituent such as a C1-C7 alkyl group, and the substituent optionally contains at least one divalent to hexavalent hetero atom in a structure or optionally has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C0-C7 functional group) and at least one compound (11) selected from compounds such as a compound represented by formula (11-1) (wherein R111 and R112 are the same as or different from each other and are each a hydrogen atom or the like, and R113 is an alkyl group free from a fluorine atom or the like):
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: February 27, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masakazu Kinoshita, Tomoya Hidaka, Toshiharu Shimooka, Shigeaki Yamazaki, Hisako Nakamura, Takaya Yamada, Yuuki Suzuki, Yoshiko Kuwajima, Kenzou Takahashi, Akiyoshi Yamauchi, Kotaro Hayashi
  • Publication number: 20230387465
    Abstract: A compound and composition each capable of allowing an electrochemical device to have improved cycle characteristics, low resistance, and reduced gas generation. Also disclosed is an electrochemical device, a lithium-ion secondary battery, and a module each including the composition as an electrolytic solution. More particularly, the disclosure relates to an electrolytic solution containing a compound represented by the following formula (1): Rf1—O—Rf2??(1) wherein Rf1 and Rf2 are the same as or different from each other and are each a C2-C4 fluorinated alkenyl group.
    Type: Application
    Filed: August 9, 2023
    Publication date: November 30, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya HIDAKA, Yoshiko Kuwajima, Toshiharu Shimooka, Shigeaki Yamazaki
  • Publication number: 20230145113
    Abstract: An electrolytic solution containing: a compound (1) represented by the following formula (1): wherein R101 is a C2-C7 organic group and optionally includes at least one selected from the group consisting of a hetero atom and an unsaturated bond; and R102 is a C1-C3 organic group and optionally includes at least one selected from the group consisting of a hetero atom and an unsaturated bond.
    Type: Application
    Filed: November 21, 2022
    Publication date: May 11, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya HIDAKA, Yoshiko KUWAJIMA, Shigeaki YAMAZAKI, Toshiharu SHIMOOKA, Akinori TANI
  • Publication number: 20230129817
    Abstract: An electrolyte solution containing: a compound (1) represented by the following formula (1): wherein R101 to R103 are each independently a C1-C5 organic group optionally containing at least one selected from the group consisting of a hetero atom and an unsaturated bond, and R101 to R103 form no ring.
    Type: Application
    Filed: November 21, 2022
    Publication date: April 27, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya HIDAKA, Shigeaki YAMAZAKI, Yoshiko KUWAJIMA, Akinori TANI, Toshiharu SHIMOOKA
  • Patent number: 11631894
    Abstract: An electrolyte solution containing at least one selected from a compound (I) represented by the following formula (I) and specific compounds (II). The formula (I) is as follows: wherein R11 is a C2-C6 alkyl group. Also disclosed are a secondary battery containing the electrolyte solution and a module including the electrochemical device or the secondary battery.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: April 18, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoya Hidaka, Kenzou Takahashi, Masakazu Kinoshita, Shigeaki Yamazaki
  • Patent number: 11611106
    Abstract: The invention provides an electrolyte solution capable of providing an electrochemical device having low resistance and excellent high-temperature storage characteristics and cycle characteristics. The electrolyte solution contains lithium fluorosulfonate and a solvent containing a compound (1) represented by the following formula (1): CF2HCOOCH3.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: March 21, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiko Kuwajima, Kenzou Takahashi, Shigeaki Yamazaki, Hiroyuki Arima, Tomoya Hidaka, Masakazu Kinoshita, Hisako Nakamura, Takaya Yamada, Toshiharu Shimooka, Yuuki Suzuki, Tatsuya Ohtsuka
  • Patent number: 11581580
    Abstract: The disclosure provides an electrolyte solution that enables a lithium ion secondary battery to have reduced initial resistance, a small increase in resistance at high-temperature cycles, and reduced gas generation at high temperature. The electrolyte solution for a lithium ion secondary battery contains lithium difluorophosphate, an oxalic acid ion, and a compound (1) represented by the following formula (1): wherein R1 and R2 are each independently a methyl group, an ethyl group, a propyl group, or a butyl group.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: February 14, 2023
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DAIKIN INDUSTRIES, LTD.
    Inventors: Akira Koyama, Hiroto Asano, Shimpei Kondo, Shigeaki Yamazaki, Tomoya Hidaka
  • Publication number: 20220416302
    Abstract: Provided is a lithium sulfur secondary battery excellent in durability. An electrolytic solution to be used for a lithium sulfur secondary battery having a positive electrode containing a sulfur-containing electrode active material containing at least one selected from the group consisting of simple sulfur, lithium polysulfides (Li2Sn: 1<n<8) and organosulfur compounds, and a negative electrode containing a material that occludes and releases lithium ions, the electrolytic solution containing a nonaqueous electrolyte and a solvent, wherein the solvent contains vinylene carbonate in a proportion of 10 to 100% by weight.
    Type: Application
    Filed: October 19, 2020
    Publication date: December 29, 2022
    Applicants: THE SCHOOL CORPORATION KANSAI UNIVERSITY, DAIKIN INDUSTRIES, LTD.
    Inventors: Masashi ISHIKAWA, Kaihei KISHIDA, Tomoya HIDAKA, Shigeaki YAMAZAKI, Yoshiko KUWAJIMA
  • Publication number: 20220328879
    Abstract: An electrolytic solution for an alkali metal ion secondary battery, an alkali metal ion secondary battery including the electrolytic solution and a module including the alkali metal ion secondary battery. The alkali metal ion secondary battery includes a positive electrode and a negative electrode. The positive electrode includes at least one selected from an alkali metal-containing transition metal composite oxide and an alkali metal-containing transition metal phosphate compound. The negative electrode includes at least one selected from a tin-based material and an alkali metal-containing metal composite oxide material.
    Type: Application
    Filed: June 5, 2020
    Publication date: October 13, 2022
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiko KUWAJIMA, Tomoya HIDAKA, Shigeaki YAMAZAKI