Patents by Inventor Shinji Ozaki

Shinji Ozaki 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: 20250015262
    Abstract: A nonaqueous electrolyte energy storage device according to one aspect of the present invention includes: a positive electrode containing a composite of porous carbon and sulfur; and a nonaqueous electrolyte containing a nonaqueous solvent containing an unsaturated cyclic carbonate and a lithium salt, in which a cumulative 70% pore size of the porous carbon is 2.0 nm or more and 7.0 nm or less, a content of the unsaturated cyclic carbonate in the nonaqueous solvent is 10 vol % or more, and a positive electrode potential at an end-of-discharge voltage in normal use is 1.0 V vs. Li/Li+ or less.
    Type: Application
    Filed: November 21, 2022
    Publication date: January 9, 2025
    Inventors: Takashi Hakari, Masashi Ishikawa, Chihiro Murata, Daisuke Okuda, Shinji Ozaki, Ryo Harada, Atsuro Kondo, Tokuo Inamasu
  • Publication number: 20240329152
    Abstract: There is provided a distributed control device including a first power supply circuit that outputs a first power supply voltage, a power failure detection circuit that outputs a power failure notification signal, a first drive power supply circuit that outputs a first drive voltage, a second drive power supply circuit that outputs a second drive voltage, a control circuit operated by using the first drive voltage, and a first drive device operated by using the second drive voltage. The power failure detection circuit outputs the power failure notification signal including power failure information indicating that the commercial power supply is abnormal. The first switching circuit stops supply of the first power supply voltage to the second drive power supply circuit in accordance with a first switching control signal based on the power failure notification signal including the power failure information.
    Type: Application
    Filed: March 29, 2024
    Publication date: October 3, 2024
    Inventor: Shinji OZAKI
  • Publication number: 20240333137
    Abstract: There is provided a distributed control device including a sub-control circuit operated by using a power supply voltage, a first drive device controlled by the sub-control circuit, a first minor error output circuit that outputs a first minor error signal including first minor error information to the first drive device, a first major error output circuit that outputs a first major error signal including first major error information to the first drive device, a management control circuit that holds minor error information corresponding to the first minor error information and major error information corresponding to the first major error information, and a switching circuit that switches whether or not to supply the power supply voltage to the sub-control circuit. The switching circuit stops the supply of the power supply voltage to the sub-control circuit in accordance with the major error information.
    Type: Application
    Filed: March 29, 2024
    Publication date: October 3, 2024
    Inventor: Shinji OZAKI
  • Patent number: 12107271
    Abstract: Provided are a binder aqueous solution for a lithium ion battery, a negative electrode slurry for a lithium ion battery, a negative electrode for a lithium ion battery, and a lithium ion battery. The binder aqueous solution for a lithium ion battery has a pH of 5 or higher and contains: a water-soluble polymer (A) that is a polymer of a monomer group containing, with respect to 100 mol % of the monomer group, 15 mol % to 99.9 mol % of an unsaturated carboxylic acid or an inorganic salt thereof, and that has a glass transition temperature of 110° C. or lower; and a hydrolyzed partial condensate (B) of an amino group-containing trialkoxysilane.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: October 1, 2024
    Assignee: ARAKAWA CHEMICAL INDUSTRIES, LTD.
    Inventors: Shinji Ozaki, Naoki Sasagawa, Hideki Goda
  • Patent number: 11769866
    Abstract: Provided are a binder aqueous solution for a lithium-ion battery, a slurry for a lithium-ion battery negative electrode, a negative electrode for a lithium-ion battery, and a lithium-ion battery. The binder aqueous solution for a lithium-ion battery contains a water-soluble poly(meth)acrylamide (A). The water-soluble poly(meth)acrylamide (A) is a polymer of a monomer group containing, with respect to 100 mol % of the monomer group, 30 mol % to 95 mol % of a (meth)acrylamide group-containing compound (a), and 5 mol % to 40 mol % of an alkoxyalkyl (meth)acrylate (b) represented by the following general formula (1), CH2?C(R1)—CO—O—R2—O—R3??(1) (in which R1 is a hydrogen atom or a methyl group, R2 is an alkylene group having 1 to 4 carbon atoms, R3 is an alkyl group having 1 to 4 carbon atoms, and a total number of carbon atoms of the groups R1, R2 and R3 is 5 or less.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: September 26, 2023
    Assignee: ARAKAWA CHEMICAL INDUSTRIES, LTD.
    Inventors: Katsuhiko Ikeyatsu, Shinji Ozaki, Hideki Goda
  • Patent number: 11658302
    Abstract: To provide a conductive carbon material dispersing agent for a lithium ion battery, a slurry for a lithium ion battery electrode, an electrode for a lithium ion battery, and a lithium ion battery The disclosure provides a conductive carbon material dispersing agent for a lithium ion battery including a water-soluble poly(meth)acrylamide (A-1) which contains 2 to 60 mol % of structural units derived from a (meth)acrylamide group-containing compound (a) and 10 to 70 mol % of structural units derived from an unsaturated sulfonic acid or salts thereof (b), and which has a weight average molecular weight of 10,000 to 300,000.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: May 23, 2023
    Assignee: ARAKAWA CHEMICAL INDUSTRIES, LTD.
    Inventors: Shinji Ozaki, Katsuhiko Ikeyatsu, Katsuya Okubo, Satoru Aoyama, Naoki Sasagawa, Hideki Goda
  • Patent number: 11646421
    Abstract: Provided are a thermally crosslinkable binder aqueous solution for a lithium-ion battery, a thermally crosslinkable slurry for a lithium-ion battery negative electrode, a negative electrode for a lithium-ion battery, and a lithium-ion battery. The thermally crosslinkable binder aqueous solution for a lithium-ion battery contains a water-soluble poly(meth)acrylamide (A) and a divalent or higher valent metal ion. The water-soluble poly(meth)acrylamide (A) contains 2 mol % to 60 mol % of a constituent unit derived from a (meth)acrylamide group-containing compound (a), and 10 mol % to 50 mol % of a constituent unit derived from one or more unsaturated acids selected from the group consisting of unsaturated carboxylic acids and unsaturated sulfonic acids or an inorganic salt thereof (b). The divalent or higher valent metal ion is contained in an amount of 0.5 mol % to 30 mol % with respect to 100 mol % of an acid group contained in the component (b).
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: May 9, 2023
    Assignee: ARAKAWA CHEMICAL INDUSTRIES, LTD.
    Inventors: Shinji Ozaki, Hideki Goda, Naoki Sasagawa, Satoru Aoyama, Katsuya Okubo, Katsuhiko Ikeyatsu
  • Patent number: 11637288
    Abstract: Provided are a thermally crosslinkable binder aqueous solution for a lithium-ion battery, a thermally crosslinkable slurry for a lithium-ion battery negative electrode, a negative electrode for a lithium-ion battery, a lithium-ion battery negative electrode material, as well as a lithium-ion battery and a method for producing the same.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: April 25, 2023
    Assignee: ARAKAWA CHEMICAL INDUSTRIES, LTD.
    Inventors: Hideki Goda, Naoki Sasagawa, Shinji Ozaki, Satoru Aoyama, Katsuya Okubo, Katsuhiko Ikeyatsu
  • Publication number: 20230110098
    Abstract: A binder aqueous solution for power storage device, a slurry for power storage device, an electrode for power storage device, a separator for power storage device, a separator/electrode laminate for power storage device and a power storage device are provided. The present disclosure provides a binder aqueous solution for power storage device, in which the binder aqueous solution for power storage device contains a water-soluble polymer, the water-soluble polymer contains more than 99 mass% and less than 99.9 mass% of a structural unit derived from a (meth)acrylamide group-containing compound and more than 0.1 mass% and less than 1 mass% of a structural unit derived from an unsaturated hydrocarbon sulfonic acid and/or a salt thereof, and a weight average molecular weight of the water-soluble polymer is less than 300,000.
    Type: Application
    Filed: September 19, 2022
    Publication date: April 13, 2023
    Applicant: ARAKAWA CHEMICAL INDUSTRIES, LTD.
    Inventors: Naoki SASAGAWA, Shinji OZAKI, Satoru AOYAMA, Katsuya OKUBO
  • Publication number: 20210305574
    Abstract: Provided are a binder aqueous solution for a lithium ion battery, a negative electrode slurry for a lithium ion battery, a negative electrode for a lithium ion battery, and a lithium ion battery. The binder aqueous solution for a lithium ion battery has a pH of 5 or higher and contains: a water-soluble polymer (A) that is a polymer of a monomer group containing, with respect to 100 mol % of the monomer group, 15 mol % to 99.9 mol % of an unsaturated carboxylic acid or an inorganic salt thereof, and that has a glass transition temperature of 110° C. or lower; and a hydrolyzed partial condensate (B) of an amino group-containing trialkoxysilane.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Applicant: ARAKAWA CHEMICAL INDUSTRIES, LTD.
    Inventors: Shinji OZAKI, Naoki SASAGAWA, Hideki GODA
  • Publication number: 20210151766
    Abstract: To provide a conductive carbon material dispersing agent for a lithium ion battery, a slurry for a lithium ion battery electrode, an electrode for a lithium ion battery, and a lithium ion battery The disclosure provides a conductive carbon material dispersing agent for a lithium ion battery including a water-soluble poly(meth)acrylamide (A-1) which contains 2 to 60 mol % of structural units derived from a (meth)acrylamide group-containing compound (a) and 10 to 70 mol % of structural units derived from an unsaturated sulfonic acid or salts thereof (b), and which has a weight average molecular weight of 10,000 to 300,000.
    Type: Application
    Filed: November 12, 2020
    Publication date: May 20, 2021
    Applicant: ARAKAWA CHEMICAL INDUSTRIES, LTD.
    Inventors: Shinji OZAKI, Katsuhiko IKEYATSU, Katsuya OKUBO, Satoru AOYAMA, Naoki SASAGAWA, Hideki GODA
  • Publication number: 20210083262
    Abstract: Provided are a binder aqueous solution for a lithium-ion battery, a slurry for a lithium-ion battery negative electrode, a negative electrode for a lithium-ion battery, and a lithium-ion battery. The binder aqueous solution for a lithium-ion battery contains a water-soluble poly(meth)acrylamide (A). The water-soluble poly(meth)acrylamide (A) is a polymer of a monomer group containing, with respect to 100 mol % of the monomer group, 30 mol % to 95 mol % of a (meth)acrylamide group-containing compound (a), and 5 mol % to 40 mol % of an alkoxyalkyl (meth)acrylate (b) represented by the following general formula (1), CH2?C(R1)—CO—O—R2—O—R3??(1) (in which R1 is a hydrogen atom or a methyl group, R2 is an alkylene group having 1 to 4 carbon atoms, R3 is an alkyl group having 1 to 4 carbon atoms, and a total number of carbon atoms of the groups R1, R2 and R3 is 5 or less.
    Type: Application
    Filed: September 15, 2020
    Publication date: March 18, 2021
    Applicant: ARAKAWA CHEMICAL INDUSTRIES, LTD.
    Inventors: Katsuhiko IKEYATSU, Shinji OZAKI, Hideki GODA
  • Publication number: 20210057748
    Abstract: Provided are a thermally crosslinkable binder aqueous solution for a lithium-ion battery, a thermally crosslinkable slurry for a lithium-ion battery negative electrode, a negative electrode for a lithium-ion battery, and a lithium-ion battery. The thermally crosslinkable binder aqueous solution for a lithium-ion battery contains a water-soluble poly(meth)acrylamide (A) and a divalent or higher valent metal ion. The water-soluble poly(meth)acrylamide (A) contains 2 mol % to 60 mol % of a constituent unit derived from a (meth)acrylamide group-containing compound (a), and 10 mol % to 50 mol % of a constituent unit derived from one or more unsaturated acids selected from the group consisting of unsaturated carboxylic acids and unsaturated sulfonic acids or an inorganic salt thereof (b). The divalent or higher valent metal ion is contained in an amount of 0.5 mol % to 30 mol % with respect to 100 mol % of an acid group contained in the component (b).
    Type: Application
    Filed: August 20, 2020
    Publication date: February 25, 2021
    Applicant: ARAKAWA CHEMICAL INDUSTRIES, LTD.
    Inventors: Shinji OZAKI, Hideki GODA, Naoki SASAGAWA, Satoru AOYAMA, Katsuya OKUBO, Katsuhiko IKEYATSU
  • Publication number: 20200395615
    Abstract: Provided are a thermally crosslinkable binder aqueous solution for a lithium-ion battery, a thermally crosslinkable slurry for a lithium-ion battery negative electrode, a negative electrode for a lithium-ion battery, a lithium-ion battery negative electrode material, as well as a lithium-ion battery and a method for producing the same.
    Type: Application
    Filed: June 16, 2020
    Publication date: December 17, 2020
    Applicant: ARAKAWA CHEMICAL INDUSTRIES, LTD.
    Inventors: Hideki GODA, Naoki SASAGAWA, Shinji OZAKI, Satoru AOYAMA, Katsuya OKUBO, Katsuhiko IKEYATSU
  • Publication number: 20160305552
    Abstract: A seal device includes an annular seal main body; a lip part that has a main lip and a sub lip, the main lip and the sub lip being provided so as to be aligned in an axial direction on the inside of the seal main body; and an annular biasing member provided on an outer periphery of the lip part, the annular biasing member being configured to press both the main lip and the sub lip to a member from the outer periphery in a radial direction, wherein the biasing member has a length in the axial direction such that the biasing member is configured to press both a distal end site of the main lip and a distal end site of the sub lip from the outer periphery in the radial direction.
    Type: Application
    Filed: November 26, 2014
    Publication date: October 20, 2016
    Applicant: KYB Corporation
    Inventors: Hideto MAEDA, Shinji OZAKI, Kiyoshi KANI
  • Patent number: 8850168
    Abstract: A processor apparatus according to the present invention is a processor apparatus which shares hardware resources between a plurality of processors, and includes: a first determination unit which determines whether or not a register in each of the hardware resources holds extension context data of a program that is currently executed; a second determination unit which determines to which processor the extension context data in the hardware resource corresponds; a first transfer unit which saves and restores the extension context data between programs in the processor; and a second transfer unit which saves and restores the extension context data between programs between different processors.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: September 30, 2014
    Assignee: Panasonic Corporation
    Inventors: Takao Yamamoto, Shinji Ozaki, Masahide Kakeda, Masaitsu Nakajima
  • Publication number: 20140202809
    Abstract: A sealing device adapted to seal an outer periphery of a shaft member inserted into a tubular member includes a dust seal lip arranged on an outer side of the tubular member and an oil seal lip arranged on an inner side of the tubular member to form a space for accumulating working fluid between the oil seal lip and the dust seal lip. The dust seal lip includes a main lip portion and an auxiliary lip portion formed to be closer to the oil seal lip than the main lip portion. A maximum value of a surface pressure gradient absolute value of the inner side in the auxiliary lip portion is set to be larger than that of a surface pressure gradient absolute value of the outer side in the auxiliary lip portion.
    Type: Application
    Filed: October 19, 2012
    Publication date: July 24, 2014
    Applicant: KAYABA INDUSTRY CO., LTD.
    Inventors: Shinji Ozaki, Shusaku Saita, Kiyoaki Ito, Chikashi Imoto
  • Patent number: 8141088
    Abstract: Provided is a multithreaded processor that can accurately estimate processing time necessary for each thread, and a multithreaded processor that simultaneously executes instruction streams, the multithreaded processor including: a computing unit group that executes instructions; an instruction scheduler that groups the instructions into groups for each of the instruction streams, the instructions being included in the each of instruction streams, and each of the groups being made up of instructions among the instructions to be simultaneously issued to the computing units; an instruction buffer which holds the instructions for each of the groups grouped by the instruction scheduler, the instructions being included in the each of instruction streams; and an issued instruction determining unit that reads the instructions for each of the groups from the instruction buffer in each of execution cycles of the multithreaded processor, and that issues the read instructions to the computing unit group.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: March 20, 2012
    Assignee: Panasonic Corporation
    Inventors: Hiroyuki Morishita, Shinji Ozaki, Takao Yamamoto, Masaitsu Nakajima
  • Publication number: 20120023311
    Abstract: A processor apparatus according to the present invention is a processor apparatus which shares hardware resources between a plurality of processors, and includes: a first determination unit which determines whether or not a register in each of the hardware resources holds extension context data of a program that is currently executed; a second determination unit which determines to which processor the extension context data in the hardware resource corresponds; a first transfer unit which saves and restores the extension context data between programs in the processor; and a second transfer unit which saves and restores the extension context data between programs between different processors.
    Type: Application
    Filed: August 23, 2011
    Publication date: January 26, 2012
    Applicant: PANASONIC CORPORATION
    Inventors: Takao YAMAMOTO, Shinji OZAKI, Masahide KAKEDA, Masaitsu NAKAJIMA
  • Publication number: 20120008674
    Abstract: A multithread processor including: an execution unit including a physical processor; and a translation lookaside buffer (TLB) which converts, to a physical address, a logical address output from the execution unit, and logical processors are implemented on the physical processor, a first logical processor that is a part of the logical processors constitutes a first subsystem having a first virtual space, a second logical processor that is a part of the logical processors and different from the first logical processor constitutes a second subsystem having a second virtual space, each of the first and the second subsystems has processes to be assigned to the logical processors, and the logical address includes: a first TLB access virtual identifier for identifying one of the first and the second subsystems; and a process identifier for identifying a corresponding one of the processes in each of the first and the second subsystems.
    Type: Application
    Filed: August 15, 2011
    Publication date: January 12, 2012
    Applicant: PANASONIC CORPORATION
    Inventors: Takao YAMAMOTO, Shinji OZAKI, Masahide KAKEDA, Masaitsu NAKAJIMA