Patents by Inventor Hiroki Nakagawa

Hiroki Nakagawa 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: 20240332589
    Abstract: The invention provides a method for manufacturing a solid-state secondary battery including a multilayer electrode structure including a negative electrode layer, an intermediate layer, a solid electrolyte layer, and a positive electrode layer stacked in order. The method includes a step 1A including pressure-bonding a negative electrode layer and an intermediate layer to form a stack of the negative electrode layer and the intermediate layer; a step 1B including pressure-bonding the intermediate layer of the stack and a solid electrolyte layer to form a stack of the negative electrode layer, the intermediate layer, and the solid electrolyte layer; and a step 1C including pressure-bonding the solid electrolyte layer of the stack and a positive electrode layer to form the multilayer electrode structure.
    Type: Application
    Filed: March 18, 2024
    Publication date: October 3, 2024
    Inventors: Takashi NAKAGAWA, Yohei NOJI, Kyohei IZUMI, Hiroki ICHIHARA, Hayato TAKAHASHI, Katsutoshi SAKURAI, Fumika FUJISAKI
  • Publication number: 20240332537
    Abstract: A solid-state secondary battery according to the present invention includes an electrode laminate, and an exterior body accommodating the electrode laminate. The electrode laminate has a positive electrode layer, a negative electrode layer, and a solid electrolyte layer placed between the positive electrode layer and the negative electrode layer. The positive electrode layer includes a positive electrode current collector and a positive electrode active material layer. The solid electrolyte layer has a positive electrode-facing region that faces the positive electrode active material layer, and a positive electrode-non-facing region that does not face the positive electrode layer. The positive electrode-non-facing region has a porosity of lower than 5%.
    Type: Application
    Filed: March 29, 2024
    Publication date: October 3, 2024
    Inventors: Takashi NAKAGAWA, Yohei NOJI, Hiroki ICHIHARA, Kyohei IZUMI
  • Publication number: 20240332761
    Abstract: The solid-state secondary battery of this invention including an electrode laminate and an outer case to house the electrode laminate, wherein the electrode laminate has a positive electrode layer, a negative electrode layer and a solid electrolyte layer placed between the positive electrode layer and the negative electrode layer, the positive electrode layer has a positive current collector and a positive active material layer, and the circumferences of the positive active material layer and the solid electrolyte layer are surrounded by an insulating frame having a volume resistivity at 20° C. of 1×1012 ?·cm or more and a porosity of 40% or less.
    Type: Application
    Filed: February 27, 2024
    Publication date: October 3, 2024
    Inventors: Takashi NAKAGAWA, Yohei NOJI, Kyohei IZUMI, Hiroki ICHIHARA
  • Publication number: 20240332536
    Abstract: A solid-state secondary battery of this invention includes: an electrode multilayer; and an exterior case that houses the electrode multilayer, the electrode multilayer includes a positive electrode layer, a negative electrode layer, a solid electrolyte layer arranged between the positive electrode layer and the negative electrode layer and an intermediate layer provided between the negative electrode layer and the solid electrolyte layer, the positive electrode layer includes a positive electrode current collector and a positive electrode active material layer and when the area of the positive electrode active material layer in plan view is Sp, the area of the solid electrolyte layer in plan view is Ss, the area of the intermediate layer in plan view is Sm and the area of the negative electrode layer in plan view is Sn, a relationship of Sp<Sn?Sm?Ss is satisfied.
    Type: Application
    Filed: March 29, 2024
    Publication date: October 3, 2024
    Inventors: Takashi NAKAGAWA, Yohei NOJI, Hiroki ICHIHARA, Kyohei IZUMI
  • Publication number: 20240318020
    Abstract: Provided is a fabric inkjet ink including water, a water-soluble organic solvent, a resin, and a pigment. The water-soluble organic solvent comprises at least one member selected from the group consisting of glycol ethers and glycols having six or more carbon atoms. The resin comprises an acrylic silicone resin and a urethane resin at a mass ratio of from 1:1 to 1:3, and the urethane resin comprises at least one member selected from the group consisting of polyester-based urethane resins and polyether-based urethane resins.
    Type: Application
    Filed: March 21, 2024
    Publication date: September 26, 2024
    Applicant: Ricoh Company, Ltd.
    Inventors: Tomohiro Nakagawa, Hiroki Kobayashi, Daiki Hyakutake
  • Publication number: 20240284079
    Abstract: A wavelength cross connect device includes: a plurality of input-side WSSes each configured to split a wavelength multiplexed signal beam into a predetermined number of wavelength multiplexed signal beams; a plurality of wavelength band switch processing units provided for each of the input-side WSSes and each configured to convert optical signals of distinct wavelength bands multiplexed in a corresponding one of the predetermined number of wavelength multiplexed signal beams each from one wavelength band to another within the distinct wavelength bands, to generate a wavelength-band-converted wavelength multiplexed signal beam; and a plurality of output-side WSSes mesh-connected to the plurality of input-side WSSes and each configured to, for each mesh-connected input-side WSS, receive the wavelength-band-converted wavelength multiplexed signal beam generated by each wavelength band switch processing unit and one of the split predetermined number of wavelength multiplexed signal beams.
    Type: Application
    Filed: June 7, 2021
    Publication date: August 22, 2024
    Inventors: Masahiro NAKAGAWA, Hiroki KAWAHARA, Takeshi SEKI
  • Publication number: 20240283557
    Abstract: A wavelength cross-connect device includes a first conversion module that converts a first wavelength band (S-band) shorter than a specific wavelength band (C-band) into an optical signal of the specific wavelength band and converts the specific wavelength band from a WXC unit into an optical signal of a second wavelength band (L-band) longer than the specific wavelength band, among the respective wavelength bands demultiplexed by a demultiplexing unit and a second conversion module that converts the second wavelength band into an optical signal of the specific wavelength band and converts the specific wavelength band from the WXC unit into an optical signal of the first wavelength band. The optical signal of the specific wavelength band converted by the first/second conversion unit is output to the WXC unit, and the optical signal of the first/second wavelength band is output to a multiplexing unit.
    Type: Application
    Filed: June 7, 2021
    Publication date: August 22, 2024
    Inventors: Masahiro NAKAGAWA, Hiroki KAWAHARA, Takeshi SEKI
  • Patent number: 12060087
    Abstract: A driving handover control device includes a memory and a processor coupled to the memory. In a case in which driving is handed over from a first state in which a vehicle travels in accordance with instruction from a first remote operator of the vehicle to a second state in which the vehicle travels in accordance with instruction from a second remote operator who is different from the first remote operator, the processor implements a transition from the first state to a third state in which the vehicle travels autonomously without instruction from the first remote operator or the second remote operator, and, after the transition from the first state to the third state, implements a transition from the third state to the second state.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: August 13, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Toshiki Kindo, Yuji Suzuki, Mutsumi Matsuura, Tomoaki Miyazawa, Shunsuke Tanimori, Kuniaki Jinnai, Kohta Tarao, Yoshihiro Maekawa, Hiroki Awano, Tae Sugimura, Tomoyuki Kuriyama, Yusuke Yokota, Makoto Matsushita, Yasuki Nakagawa, Atsushi Hanawa
  • Patent number: 12055119
    Abstract: At least one of nozzle holes is provided as a non-circular nozzle hole where the ratio of the longest diameter to the shortest diameter of an outlet opening portion is greater than 1. A virtual non-circular cone and a virtual circular cone are defined for each of the non-circular nozzle hole and a circular nozzle hole where the ratio of the longest diameter to the shortest diameter of the outlet opening portion is 1. At least two adjacent nozzle holes are formed such that the virtual non-circular cone does not interfere with the virtual circular cone or the virtual non-circular cone.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: August 6, 2024
    Assignee: DENSO CORPORATION
    Inventors: Hiroki Kaneta, Hajime Kataoka, Masayuki Niwa, Noritsugu Katou, Yousuke Nakagawa, Masahiro Ookuma, Sao Yoshidome, Gen Takai
  • Patent number: 12049242
    Abstract: A driving handover control device includes a memory and a processor coupled to the memory. In a case in which driving is handed over from a first state in which a vehicle travels in accordance with instruction from a remote operator of the vehicle to a second state in which the vehicle travels in accordance with operation by a passenger of the vehicle, the processor implements a transition from the first state to a third state in which the vehicle travels autonomously without instruction from the remote operator or operation by the passenger, and, after the transition from the first state to the third state, implements a transition from the third state to the second state.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: July 30, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Toshiki Kindo, Yuji Suzuki, Mutsumi Matsuura, Tomoaki Miyazawa, Shunsuke Tanimori, Kuniaki Jinnai, Kohta Tarao, Yoshihiro Maekawa, Hiroki Awano, Tae Sugimura, Tomoyuki Kuriyama, Yusuke Yokota, Makoto Matsushita, Yasuki Nakagawa, Atsushi Hanawa
  • Publication number: 20240223060
    Abstract: A gear motor includes a motor and a magnetically modulated gear, in which the motor and the magnetically modulated gear have different frequencies of vibration components.
    Type: Application
    Filed: March 13, 2024
    Publication date: July 4, 2024
    Inventors: Taizo YAMAMOTO, Takahiro MINARI, Hiroki NAKAGAWA, Kazuma YAMANAKA
  • Publication number: 20240195279
    Abstract: A method for manufacturing a magnetic modulator that includes a magnetic pole piece member having a plurality of magnetic pole pieces arranged in a circumferential direction and a connection portion connecting adjacent magnetic pole pieces to each other in the circumferential direction, and a shaft member, the method including: a first process of manufacturing the magnetic pole piece member by axially laminating electromagnetic steel sheets each having the plurality of magnetic pole pieces and the connection portions; a second process of performing resin molding to integrate the magnetic pole piece member and the shaft member with resin; and a third process of performing removal processing on at least one of an inner peripheral surface and an outer peripheral surface of the magnetic pole piece member.
    Type: Application
    Filed: February 20, 2024
    Publication date: June 13, 2024
    Inventors: Takahiro MINARI, Taizo YAMAMOTO, Hiroki NAKAGAWA
  • Publication number: 20240186878
    Abstract: A magnetic modulation gear includes: a plurality of outer pole magnets that are arranged in a circumferential direction; a plurality of magnetic pole pieces that are provided radially inward of the plurality of outer pole magnets and arranged in the circumferential direction; a plurality of inner pole magnets that are provided radially inward of the plurality of magnetic pole pieces and arranged in the circumferential direction. The magnetic modulation gear further includes a shaft member that is connected to the plurality of magnetic pole pieces, the shaft member includes a non-conductive portion and a conductive portion, and the conductive portion is connected to the plurality of magnetic pole pieces via the non-conductive portion.
    Type: Application
    Filed: February 13, 2024
    Publication date: June 6, 2024
    Inventors: Hiroki NAKAGAWA, Taizo YAMAMOTO, Takahiro MINARI
  • Publication number: 20240178712
    Abstract: A magnetic modulation gear includes a plurality of outer pole magnets arranged in a circumferential direction, a rotor that includes a plurality of magnetic pole pieces arranged in the circumferential direction on a radially inner side with respect to the outer pole magnets, a plurality of inner pole magnets arranged in the circumferential direction on a radially inner side with respect to the magnetic pole pieces, and a plurality of bearings that rotatably support the rotor, in which the plurality of bearings include one-side bearings located on one side in an axial direction with respect to the magnetic pole pieces, and a first bearing closest to the magnetic pole pieces, of the one-side bearings, is disposed within a region radially outward with respect to inner peripheral ends of the outer pole magnets, or within a region radially inward with respect to outer peripheral ends of the inner pole magnets.
    Type: Application
    Filed: February 5, 2024
    Publication date: May 30, 2024
    Inventors: Hiroki NAKAGAWA, Taizo YAMAMOTO, Takahiro MINARI
  • Patent number: 11927244
    Abstract: When a contact area with a chain guide is reduced by a back surface of a link plate having a convex portion, a friction coefficient in a fluid lubrication region is reduced. A coating film containing 10% or more of chromium is on the link plate. A friction modifier made of a molybdenum compound and including with a lubricating oil promotes generation of MoS2 by the coating film, and prevents an increase in a friction coefficient in a boundary lubrication region.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: March 12, 2024
    Assignee: DAIDO KOGYO CO., LTD.
    Inventors: Motoki Tanaka, Satoshi Yamashita, Hiroki Nakagawa, Atsushi Hayashi
  • Patent number: 11897368
    Abstract: A floor lock release mechanism includes an arm member, a lever, a switching member, a lever biasing member, and a switching member biasing member. The lever is rotatable between a rearward rotational position and a forward rotational position. The lever biasing member biases the lever toward a neutral position. The switching member is rotatable between a locked position and an unlocked position. The switching member biasing member biases the switching member toward the locked position. The lever includes a pressed portion and a pressing portion. The pressing portion is arranged on the same side as a side on which the pressed portion is arranged with respect to a straight line orthogonal to a straight line connecting the pressed portion and a rotation center.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: February 13, 2024
    Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventor: Hiroki Nakagawa
  • Patent number: 11681222
    Abstract: An object of the present invention is to provide a novel fluorine-containing polymer, a radiation-sensitive resin composition for liquid immersion lithography which contains the fluorine-containing polymer, which leads to a pattern having an excellent shape and excellent depth of focus, wherein the amount of an eluted component in a liquid for liquid immersion lithography such as water that comes in contact with the resist during exposure in liquid immersion lithography is little, and which provides a larger receding contact angle between the resist film and the liquid for liquid immersion lithography such as water, and a method for purifying the fluorine-containing polymer. The present resin composition comprises a novel fluorine-containing polymer (A) containing repeating units represented by the general formulae (1) and (2) and having Mw of 1,000-50,000, a resin (B) having an acid-unstable group, a radiation-sensitive acid generator (C), a nitrogen-containing compound (D) and a solvent (E).
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: June 20, 2023
    Assignee: JSR CORPORATION
    Inventors: Hiroki Nakagawa, Hiromitsu Nakashima, Gouji Wakamatsu, Kentarou Gotou, Yukio Nishimura, Takeo Shioya
  • Patent number: 11667620
    Abstract: The composition contains a compound and a solvent. The compound includes a group represented by formula (1). The compound has a molecular weight of no less than 200 and has a percentage content of carbon atoms of no less than 40% by mass. In the formula (1), R1 and R2 each independently represent a hydrogen atom, a fluorine atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms or a monovalent fluorinated hydrocarbon group having 1 to 20 carbon atoms, or R1 and R2 taken together represent a part of an alicyclic structure having 3 to 20 ring atoms constituted together with the carbon atom to which R1 and R2 bond; Ar1 represents a group obtained by removing (n+3) hydrogen atoms from an arene or heteroarene having 6 to 20 ring atoms; and X represents an oxygen atom, —CR3R4—, —CR3R4—O— or —O—CR3R4—.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: June 6, 2023
    Assignee: JSR CORPORATION
    Inventors: Hiroki Nakatsu, Kazunori Takanashi, Kazunori Sakai, Yuushi Matsumura, Hiroki Nakagawa
  • Publication number: 20230110863
    Abstract: Provided is a thermosetting resin composition that has high reactivity, can be adapted to various curing conditions, and has extremely high versatility. The thermosetting resin composition contains a resin component (A) containing —COOR (R is an alkyl group having 50 or less carbon atoms) and a hydroxy group, and a transesterification catalyst (B). A curing start temperature is 130° C. or lower, and a gel fraction when cured under a condition of baking at 150° C. for 30 minutes is 80% or more.
    Type: Application
    Filed: February 24, 2021
    Publication date: April 13, 2023
    Applicant: KYOEISHA CHEMICAL CO., LTD.
    Inventors: Yuya MORIWAKI, Tomoya MATSUDA, Kosuke ASADA, Masaru DONKAI, Hiroki NAKAGAWA, Keiji MAEO, Narutoshi YOSHIDA, Naomi TAKENAKA
  • Publication number: 20230087596
    Abstract: Provided is a thermosetting resin composition, from which a cured product having excellent transparency with less yellowing than that in the related art can be obtained, and which is advantageous in cost because a monomer obtained by using an inexpensive raw material is used. An ester compound contains, in one molecule, at least one functional group represented by the following general formula (1) or (2). (In both the general formulae (1) and (2), R1 is an alkyl group having 50 or less carbon atoms. R2 is an alkylene group having 50 or less carbon atoms that may contain an oxygen atom and a nitrogen atom as a portion thereof.
    Type: Application
    Filed: December 22, 2020
    Publication date: March 23, 2023
    Applicant: KYOEISHA CHEMICAL CO., LTD.
    Inventors: Masaru DONKAI, Yuya MORIWAKI, Tomoya MATSUDA, Kosuke ASADA, Hiroki NAKAGAWA, Keiji MAEO, Narutoshi YOSHIDA, Naomi TAKENAKA