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).

  • Publication number: 20240182641
    Abstract: A fluorine-containing cyclic compound represented by the following formula (1): wherein A is a divalent organic group; and R is a divalent organic group containing a fluoropolyether group.
    Type: Application
    Filed: February 1, 2024
    Publication date: June 6, 2024
    Applicants: THE UNIVERSITY OF TOKYO, DAIKIN INDUSTRIES, LTD.
    Inventors: Satoshi HONDA, Naoya Ikuta, Shuhei Yamaguchi, Shinya Handa, Akiyoshi Yamauchi, Yosuke Kishikawa
  • 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: 11999681
    Abstract: An alkyl sulfate ester containing a carbonyl group or a salt thereof. The compound is represented by the following formula: R1—C(—O)—(CR22)n—(OR3)p—(CR42)q-L-OSO3X wherein R1, R2, R3, R4, L, X, n, p and q are as defined herein. Also disclosed is a production method for making the alkyl sulfate ester.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: June 4, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Satoru Yoneda, Masahiro Higashi, Akiyoshi Yamauchi, Sumi Ishihara, Yosuke Kishikawa, Marina Nakano, Shinnosuke Nitta, Hirokazu Aoyama
  • 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: 20240132432
    Abstract: Provided is a compound represented by Formula (1A) below wherein the symbols are as defined in the description: Also disclosed are a composition containing at least one of the compound and a formed article of the compound.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 25, 2024
    Applicants: Kyoto University, DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoki OGOSHI, Katsuto ONISHI, Shuhei YAMAGUCHI, Yuko SHIOTANI, Masaji KOMORI, Hirokazu AOYAMA, Yosuke KISHIKAWA, Akiyoshi YAMAUCHI
  • Patent number: 11945776
    Abstract: An electrolyte solution containing a compound represented by the following formula (1).
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: April 2, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiko Kuwajima, Akiyoshi Yamauchi, Kotaro Hayashi, Hisako Nakamura, Toshiharu Shimooka, Takaya Yamada, Yoshihiro Yamamoto, Shigeaki Yamazaki, Kenzou Takahashi
  • Publication number: 20240093052
    Abstract: Provided is an aqueous coating composition capable of forming a fluororesin coating film layer with excellent electrical properties and surface physical properties, and good adhesive properties. A coating composition containing 2 or more kinds of fluororesins, wherein at least 1 kind of the fluororesin, a fluororesin (I), has a number of functional groups of 30 to 1,000 per 106 main-chain carbon atoms, and the coating composition further contains an inorganic filler, a surfactant, a liquid medium, and a non-fluororesin.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 21, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuki UEDA, Shingo Okuno, Akiyoshi Yamauchi, Yoshihiro Souda, Yasukazu Nakatani
  • Publication number: 20240092061
    Abstract: A joined article including: a resin (1) having a linear expansion coefficient at 30° C. to 200° C. of 17 ppm/° C. or higher and a thickness of 5 to 100 ?m; and a metal joined to a surface of the resin (1) and having a thickness of 5 to 50 ?m. The resin (1) includes a heat-affected layer that is close to the metal and that occupies 80% or less of the thickness of the resin (1), and the joined article is a dielectric material for a substrate. Also disclosed is a substrate including the joined article and a resin (2) stacked on the joined article.
    Type: Application
    Filed: October 27, 2023
    Publication date: March 21, 2024
    Applicants: THE UNIVERSITY OF TOKYO, DAIKIN INDUSTRIES, LTD.
    Inventors: Keisuke NAGATO, Kota AONO, Yusuke EBIHARA, Masayuki NAKAO, Yuki UEDA, Shingo OKUNO, Hirokazu KOMORI, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA
  • Publication number: 20240084158
    Abstract: Provided is an aqueous coating composition capable of forming a fluororesin coating film layer with excellent electrical properties and surface physical properties, and good adhesive properties. A coating composition containing 2 or more kinds of fluororesins, where at least 1 kind of the fluororesin, a fluororesin (I), has a number of functional groups of 30 to 1,000 per 106 main-chain carbon atoms, and where the coating composition further contains an inorganic filler, a surfactant, and a liquid medium.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 14, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuki UEDA, Shingo OKUNO, Akiyoshi YAMAUCHI, Yoshihiro SOUDA, Yasukazu NAKATANI
  • 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: 20230416180
    Abstract: An object of the present invention is to provide a vinyl ether, a simple method for producing the vinyl ether, a haloether used for producing the vinyl ether, and a method for producing the vinyl ether. The object can be achieved by producing a haloether by a method comprising step 1a of allowing a compound represented by formula (1): R1O?Y+??(1) wherein Y+ represents a cation and R1 is an organic group, to react, in the presence of a halogenating agent, with a compound represented by formula (2a): wherein R2a and R3a each independently represent H or an alkyl group, R4a represents H, a halogen, or an organic group, and X1a represents a halogen other than F.
    Type: Application
    Filed: September 7, 2023
    Publication date: December 28, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Akane MATSUMOTO, Naoyuki HOSHIYA, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA
  • Publication number: 20230383423
    Abstract: A method for manufacturing carbon monoxide or an organic compound, which includes electrolytically reducing carbon dioxide to obtain carbon monoxide or an organic compound in an electrolytic reduction apparatus having an anode, a cathode, and an electrolytic solution containing carbon dioxide. Carbon dioxide is selectively reduced into carbon monoxide or a specific organic compound by a potential to be applied to between the anode and the cathode.
    Type: Application
    Filed: August 11, 2023
    Publication date: November 30, 2023
    Applicants: THE DOSHISHA, DAIKIN INDUSTRIES, LTD.
    Inventors: Takuya GOTO, Jinichi Koue, Yuta Suzuki, Kentaro Kozasa, Saya Nozaki, Shoma Tchorap-Yamamoto, Tomohiro Isogai, Yosuke Kisahikawa, Akiyoshi Yamauchi
  • Publication number: 20230357553
    Abstract: A housing for a livestock sensor, the housing including: a resin having a coefficient of kinetic friction of 0.40 or lower and a coefficient of static friction of 0.10 or lower, and the resin being other than polytetrafluoroethylene. Also disclosed is a livestock sensor including the housing and a detector inside the housing.
    Type: Application
    Filed: June 7, 2023
    Publication date: November 9, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Toshiyuki FUKUSHIMA, Hirofumi Mukae, Kenji Ishii, Yoshito Tanaka, Masaji Komori, Takumi Shimosuki, Akiyoshi Yamauchi, Yosuke Kishikawa, Hirokazu Aoyama
  • Publication number: 20230312777
    Abstract: A seal for a livestock sensor containing a resin, or a rubber free from a chlorine atom. The seal is at least one selected from a packing, an O-ring, and a gasket, and the seal is configured to prevent a body fluid containing an organic acid in livestock from entering a space that contains a detecting portion or a substrate of the livestock sensor. Also disclosed is a livestock sensor including the seal.
    Type: Application
    Filed: June 7, 2023
    Publication date: October 5, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kenji ISHII, Yoshito TANAKA, Takumi SHIMOSUKI, Masaji KOMORI, Hirofumi MUKAE, Toshiyuki FUKUSHIMA, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA, Hirokazu AOYAMA
  • Publication number: 20230309514
    Abstract: A housing for a livestock sensor capable of constituting a livestock sensor that has excellent corrosion resistance, has a small size, and can easily be administered orally to livestock, and a livestock sensor including the same. The housing includes a metal housing including a metal surface covered with a thermoplastic resin. Also disclosed is a livestock sensor including the housing.
    Type: Application
    Filed: June 7, 2023
    Publication date: October 5, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hirofumi MUKAE, Masaji Komori, Kenji Ishii, Yoshito Tanaka, Toshiyuki Fukushima, Takumi Shimosuki, Yosuke Kishikawa, Akiyoshi Yamauchi, Hirokazu Aoyama
  • Publication number: 20230303748
    Abstract: Provided is a fluoropolymer comprising tetrafluoroethylene unit (1) and a monomer unit (2) derived from a perfluoroalkadlene represented by formula (2): CF2?CF(CF2)nCF?CF2 where n represents an integer of 2 to 10, wherein a content of tetrafluoroethylene unit (1) is 98.0 to 99.999 mol % or more based on total monomer units constituting the fluoropolymer, and a content of the monomer unit (2) is 0.001 to 2.0 mol % based on total monomer units constituting the fluoropolymer.
    Type: Application
    Filed: May 19, 2023
    Publication date: September 28, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Asuka NOHARA, Shinya Handa, Daisuke Ota, Yoshinori Nanba, Akiyoshi Yamauchi, Naoyuki Hoshiya, Tsuyoshi Noguchi
  • Publication number: 20230287236
    Abstract: An aqueous coating material composition containing fluororesin particles (A) that can be melt-molded, further containing a binder resin (B), a non-fluorinated surfactant (C) and water (D). The binder resin (B) has a weight loss of 55% or more at 400° C. measured under conditions at 10° C./min under N2, and is contained at a ratio of 10 mass % or less relative to the total solid content of the coating material composition.
    Type: Application
    Filed: May 1, 2023
    Publication date: September 14, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuki UEDA, Shingo Okuno, Hirokazu Komori, Yasukazu Nakatani, Akiyoshi Yamauchi
  • Publication number: 20230265309
    Abstract: An aqueous coating material composition containing fluororesin particles (A) that can be melt-molded, further comprising silica particles (B), a non-fluorinated surfactant (C) and water (D), wherein the fluororesin particles (A) have an average particle size of 0.05 to 1000 ?m, wherein the silica particles (B) have an average particle size of 0.1 to 20 ?m, wherein the fluororesin particles (A) and the silica particles (B) have a blending ratio: Fluororesin particles (A)/Silica particles (B)=10/90 to 90/10 (mass ratio), and wherein a content of fluororesin particles (A) is 15 to 80 mass % relative to 100 mass % of solid content of the coating material. Also disclosed is a coated article including a coating layer formed by applying the aqueous coating material composition.
    Type: Application
    Filed: May 3, 2023
    Publication date: August 24, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuki UEDA, Shingo OKUNO, Hirokazu KOMORI, Yasukazu NAKATANI, Akiyoshi YAMAUCHI
  • Patent number: 11718599
    Abstract: A method for producing a cyclic carbonate represented by the following formula (1): wherein X1 and X2 are the same as or different from each other, and are each a hydrogen atom, a fluorine atom, or a monovalent organic group; and R is an organic group containing one or more carbon-carbon unsaturated bonds. The method includes reacting an unsaturated cyclic carbonate represented by the following formula (A): wherein X1 and X2 are defined as described above, and an alcohol represented by the formula (B): R—OH, wherein R is defined as described above, or an alkoxide thereof in the presence of a base, or reacting the unsaturated cyclic carbonate and the alkoxide. Also disclosed is a method for producing a cyclic carbonate.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: August 8, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Akiyoshi Yamauchi, Kotaro Hayashi, Yuuki Suzuki, Yoshihiro Yamamoto, Yosuke Kishikawa
  • Patent number: 11708324
    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 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. Also disclosed is a surfactant containing the sulfuric acid ester and an aqueous dispersant containing the sulfuric acid ester.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: July 25, 2023
    Assignee: DAIKIN INDUSTRIES. LTD.
    Inventors: Satoru Yoneda, Manabu Fujisawa, Kazuya Asano, Takahiro Kitahara, Masahiro Higashi, Akiyoshi Yamauchi, Sumi Ishihara, Yosuke Kishikawa