Patents by Inventor Hideaki Fujita

Hideaki Fujita 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: 20250129005
    Abstract: Provided is a method for producing fluorenone comprising an oxidation step of oxidizing fluorene in the presence of an aliphatic carboxylic acid having 2 to 3 carbon atoms, a metal catalyst, a bromine compound, and oxygen, and a phosphoric acid treatment step of bringing an oxidation reaction mixture into contact with phosphoric acid in the order indicated.
    Type: Application
    Filed: September 29, 2022
    Publication date: April 24, 2025
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Hiroki SUMI, Yuki WATANABE, Hideaki FUJITA, Goh NAKAMURA, Tatsuyuki KUMANO
  • Patent number: 12264452
    Abstract: Provided is a work machine that allows assisting a loading work without giving uncomfortable feeling to an operator. The control device 40 of the work machine 1 includes an allowable range calculation section 46 that calculates an allowable range indicating a range in which the front work device 2 is movable in a height direction allowed in a swing operation; an operation determining section 45 that determines whether the work machine 1 is under a convey operation; and an operation control section 4 that controls a turn operation of a boom 8 such that the position of the front work device 2 in the height direction remains within the allowable range when the work machine 1 is determined to be under the convey operation.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: April 1, 2025
    Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Ryu Narikawa, Kouji Fujita, Hideaki Itou, Hidefumi Ishimoto, Teppei Saitoh, Tadashi Nishizawa
  • Publication number: 20250064754
    Abstract: The patch of the present invention comprises a backing layer and an adhesive layer laminated on the backing layer, wherein a water vapor transmission rate of the backing layer is 400 g/m2·24 hours or more, and the adhesive layer comprises a drug, dimethylsulfoxide and an adhesive. Such a patch does not fall off easily even after long wear.
    Type: Application
    Filed: November 8, 2024
    Publication date: February 27, 2025
    Inventors: Ryo TANAKA, Hideaki OHASHI, Naruhide MIYOSHI, Takito SHIMA, Naoko FUJITA, Yasunari MICHINAKA
  • Patent number: 12234538
    Abstract: This aluminum-plated steel sheet has a steel sheet and a plating layer formed on a surface of the steel sheet, the plating layer contains one or more A group elements selected from a group consisting of Be, Mg, Ca, Sr, Ba, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, and Zn, a remainder of Al, Fe, and impurities, a thickness t of the plating layer is 10 to 60 ?m, and an average grain size is 2t/3 or less and 15 ?m or less in a thickness range from an outermost surface of the plating layer to a ? thickness t position.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: February 25, 2025
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Yuki Suzuki, Soshi Fujita, Masahiro Fuda, Hideaki Irikawa, Takeshi Imai, Fumio Eihara
  • Publication number: 20240387871
    Abstract: The present disclosure relates to a non-aqueous electrolyte secondary battery comprising a wound-type electrode assembly and an electrolyte solution. In the non-aqueous electrolyte secondary battery according to the present disclosure, a dimension of at least one of a positive electrode active material layer and a negative electrode active material layer in a direction of an axis of winding of the electrode assembly is 150 mm or more, the electrolyte solution includes an electrolyte salt and LiFSO3, the electrolyte salt includes at least one of LiPF6 and LiBF4, a ratio of a total concentration A (mol/L) of LiPF6 and LiBF4 to a concentration B (mol/L) of LiFSO3 in the electrolyte solution, which is expressed as an A/B ratio, is from 5 to 12, and a pressure of 0.5 MPa or more is applied to the electrode assembly in an electrode plate stacking direction.
    Type: Application
    Filed: May 10, 2024
    Publication date: November 21, 2024
    Inventors: Hideaki FUJITA, Daisuke NISHIDE, Nao NOMURA
  • Publication number: 20240372137
    Abstract: A non-aqueous electrolyte secondary battery comprises an electrode assembly and an electrolyte solution. The electrode assembly is a wound-type electrode assembly or a stack-type electrode assembly each of which comprises a positive electrode plate having an active material layer. To the non-aqueous electrolyte secondary battery, a restraining pressure of 0.5 MPa or more is applied in a stacking direction of the positive electrode plates. The electrolyte solution includes LiFSO3, and the electrolyte solution has an electrical conductivity of 0.86 S/m or more at 25° C.
    Type: Application
    Filed: April 22, 2024
    Publication date: November 7, 2024
    Inventors: Nao NOMURA, Hideaki FUJITA, Daisuke NISHIDE
  • Patent number: 12095077
    Abstract: A non-aqueous secondary battery includes a positive electrode composite material layer. In a cross-section in a direction of thickness of the positive electrode composite material layer, the positive electrode composite material layer includes a first region including one end portion in a direction intersecting with the direction of thickness, a second region including the other end portion, and a third region lying between the first region and the second region. The first region is composed of a first composite material containing lithium iron phosphate and lithium nickel cobalt manganese composite oxide, and the second region is composed of a second composite material containing lithium iron phosphate and lithium nickel cobalt manganese composite oxide. The third region is composed of a third composite material containing lithium nickel cobalt manganese composite oxide.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: September 17, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hideyuki Saka, Keiichi Takahashi, Hideaki Fujita, Tatsuya Hashimoto
  • Publication number: 20240266605
    Abstract: The present disclosure relates to a non-aqueous electrolyte secondary battery, wherein an electrolyte solution includes a solvent, a lithium salt, and an additive agent, the additive agent includes at least one selected from a group consisting of a boron compound having an oxalate group and a compound having a fluorosulfonyl group, a BET specific surface area of a negative electrode active material layer is 1.8 m2/g or more and 3.0 m2/g or less, the negative electrode active material layer includes a particle group consisting of a negative electrode active material particle, an average sphericity of the particle group is 0.87 or more.
    Type: Application
    Filed: January 16, 2024
    Publication date: August 8, 2024
    Inventors: Yoshikazu MIYACHI, Hideaki FUJITA, Daisuke NISHIDE
  • Publication number: 20240250235
    Abstract: The present disclosure relates to a non-aqueous electrolyte secondary battery including an electrode assembly and an electrolyte solution, wherein the electrode assembly includes a positive electrode plate, a separator, and a negative electrode plate, the electrolyte solution contains a Li salt, a solvent, and an additive agent, the positive electrode plate includes a positive electrode core body and a positive electrode active material layer, the negative electrode plate includes a negative electrode core body and a negative electrode active material layer, and in at least one of the positive electrode active material layer and the negative electrode active material layer, a ratio A/B is 1.4 or more and 2.6 or less.
    Type: Application
    Filed: December 21, 2023
    Publication date: July 25, 2024
    Inventors: Hideaki FUJITA, Daisuke NISHIDE, Yoshikazu MIYACHI, Yuta TANAHASHI
  • Publication number: 20230406800
    Abstract: A method for producing fluorenone including a pretreatment step of heating fluorene in the presence of a lower aliphatic carboxylic acid, a bromine compound, and a metal catalyst, and an oxidation step of continuously supplying fluorene and oxygen to perform an oxidation reaction, in the order indicated.
    Type: Application
    Filed: November 4, 2021
    Publication date: December 21, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yuki WATANABE, Hiroki SUMI, Hideaki FUJITA, Goh NAKAMURA, Tatsuyuki KUMANO
  • Publication number: 20230391705
    Abstract: Provided is a method for producing fluorenone comprising an oxidation step of oxidizing fluorene in the presence of an aliphatic carboxylic acid having 2 to 3 carbon atoms, a metal catalyst, a bromine compound, and oxygen, a solvent removal step of removing the aliphatic carboxylic acid, a heating step at 120 to 350° C., and a distillation step in the order indicated.
    Type: Application
    Filed: October 21, 2021
    Publication date: December 7, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Hiroki SUMI, Yuki WATANABE, Hideaki FUJITA, Goh NAKAMURA, Tatsuyuki KUMANO
  • Patent number: 11431018
    Abstract: A non-aqueous electrolyte secondary battery includes at least a positive electrode active material layer, a porous film, and a negative electrode active material layer. The negative electrode active material layer contains at least a graphite-based carbon material and silicon oxide. The porous film is interposed between the positive electrode active material layer and the negative electrode active material layer. The porous film contains at least a ceramic material. The negative electrode active material layer has a first spring constant. The porous film has a second spring constant. A ratio of the second spring constant to the first spring constant is higher than 1.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: August 30, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji Torita, Hideaki Fujita, Kaoru Inoue
  • Patent number: 11306847
    Abstract: A valve device includes: valves configured to control a flow of processing gases supplied to a process vessel; a housing in which first flow paths through which the processing gases flow are formed; a heat diffuser configured to cover the housing and diffuse heat of the housing; a heating part configured to cover the housing covered with the heat diffuser and heat the housing via the heat diffuser; a supply configured to supply a coolant to a second flow path formed between the housing and the heat diffuser; and a controller configure to control the heating part to heat the housing to a first temperature when a predetermined process is performed on a target substrate, and before a start of a cleaning process of the process vessel, control the heating part to stop heating of the housing and control the supply to supply the coolant to the second flow path.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: April 19, 2022
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Tomohisa Kimoto, Yuichi Furuya, Takashi Kakegawa, Eiichi Komori, Hideaki Fujita, Hiroyuki Mori
  • Patent number: 11302962
    Abstract: A non-aqueous electrolyte secondary battery includes: a pressure-type current interrupt device arranged in a conductive path, for interrupting the conductive path when an internal pressure exceeds a working pressure; a non-aqueous electrolyte; and a positive electrode composite material layer. The non-aqueous electrolyte contains a gas generation agent that generates a gas in an overcharge region, and the positive electrode composite material layer contains a first positive electrode active material particle including lithium iron phosphate, and a second positive electrode active material particle including lithium-nickel composite oxide. A ratio of the first positive electrode active material particle to a total mass of the first positive electrode active material particle and the second positive electrode active material particle is 5% by mass or more and 20% by mass or less.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: April 12, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya Umeyama, Akihiro Taniguchi, Hideki Sano, Hideaki Fujita
  • Patent number: 10910675
    Abstract: A nonaqueous electrolyte secondary battery according to the present invention includes: an electrode body including a positive electrode including a positive-electrode active material layer; an external terminal connected to the electrode body; a nonaqueous electrolyte including a gas generant, and a current interrupt device. A content of the gas generant is at least 4 mass %. The positive-electrode active material layer includes, as a positive-electrode active material, a complex oxide containing at least zirconium (Zr) and calcium (Ca) as constituent elements. When a sum total of metal elements, except metal that becomes a charge carrier, in the complex oxide is 100 mol % in terms of a mole percentage, the complex oxide contains Zr from 0.1 mol % to 0.5 mol % inclusive and Ca from 0.1 mol % to 0.3 mol % inclusive.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: February 2, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hideyuki Saka, Keiichi Takahashi, Hideaki Fujita
  • Patent number: 10727528
    Abstract: A method of producing a lithium ion secondary battery includes preparing a case in which an electrode group including at least a positive electrode and a negative electrode is accommodated; impregnating a first electrolyte solution into the electrode group, lowering a potential of the negative electrode to a first potential, injecting FEC into a case, and lowering a potential of the negative electrode to a second potential. The negative electrode contains at least graphite and silicon oxide. The first electrolyte solution does not contain FEC. An additive has a reductive decomposition potential of 0.5 V (vs. Li+/Li) or more and 1.5 V (vs. Li+/Li) or less. The first potential is higher than 0.2 V (vs. Li+/Li) and is equal to or lower than the reductive decomposition potential. The second potential is 0.2 V (vs. Li+/Li) or less.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: July 28, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki Iguchi, Hideaki Fujita, Hideki Sano, Kaoru Inoue
  • Patent number: 10683253
    Abstract: Disclosed herein is a method for producing high-purity terephthalic acid, including steps of dissolving crude terephthalic acid crystal in water and performing catalytic hydrogenation treatment, depressurizing and cooling a reaction liquid after the catalytic hydrogenation treatment in stages with two or more stages of crystallization vessels, to crystallize terephthalic acid to obtain a terephthalic acid slurry, introducing the terephthalic acid slurry into an upper portion of a mother liquor replacement tower, bringing the terephthalic acid crystal into contact with an upward flow of replacement water introduced from a tower lower compartment of the mother liquor replacement tower while making the terephthalic acid crystal settled down in the tower, withdrawing the terephthalic acid crystal as slurry with the replacement water from the tower lower compartment, subjecting the slurry withdrawn from the tower lower compartment to solid-liquid separation into water and the terephthalic acid crystal, and drying
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: June 16, 2020
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Goh Nakamura, Hideaki Fujita, Kotaro Murakami, Ryusuke Shigematsu
  • Publication number: 20200056724
    Abstract: A valve device includes: valves configured to control a flow of processing gases supplied to a process vessel; a housing in which first flow paths through which the processing gases flow are formed; a heat diffuser configured to cover the housing and diffuse heat of the housing; a heating part configured to cover the housing covered with the heat diffuser and heat the housing via the heat diffuser; a supply configured to supply a coolant to a second flow path formed between the housing and the heat diffuser; and a controller configure to control the heating part to heat the housing to a first temperature when a predetermined process is performed on a target substrate, and before a start of a cleaning process of the process vessel, control the heating part to stop heating of the housing and control the supply to supply the coolant to the second flow path.
    Type: Application
    Filed: August 12, 2019
    Publication date: February 20, 2020
    Inventors: Tomohisa KIMOTO, Yuichi FURUYA, Takashi KAKEGAWA, Eiichi KOMORI, Hideaki FUJITA, Hiroyuki MORI
  • Patent number: 10530013
    Abstract: A method of manufacturing a non-aqueous electrolyte secondary battery includes: (A) constructing an electrode group including a positive electrode and a negative electrode; (B) impregnating the electrode group with a first electrolyte solution; (C) charging the electrode group impregnated with the first electrolyte solution to a voltage of 4.3 V or more; and (E) manufacturing the non-aqueous electrolyte secondary battery by impregnating the electrode group with a second electrolyte solution after the charging. The first electrolyte solution includes a first solvent, a first lithium salt, and biphenyl. The first solvent does not include 1,2-dimethoxyethane. The second electrolyte solution includes a second solvent and a second lithium salt. The second solvent includes 1,2-dimethoxyethane.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: January 7, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki Iguchi, Hideaki Fujita
  • Patent number: 10454140
    Abstract: In an electrode body for use in non-aqueous electrolyte secondary battery, a first end of a separator is located more interiorly than one positive electrode end of a positive electrode plate in a width direction, located more exteriorly than one end of a coated positive electrode portion of the positive electrode plate, and located more exteriorly than one end of a coated negative electrode portion of a negative electrode plate. The first end of the separator is thicker than an intermediate portion. A second end of the separator is located more interiorly than an other negative electrode end of the negative electrode plate in the width direction, located more exteriorly than the other end of the coated positive electrode portion of the positive electrode plate, and located more exteriorly than an other end of the coated negative electrode portion of the negative electrode plate. The second end of the separator is thicker than the intermediate portion.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: October 22, 2019
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Tomohiro Nakano, Hideaki Fujita