Patents by Inventor Hiroki Nagai

Hiroki Nagai 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: 20180372182
    Abstract: A vibration damping device is provided with a first coupling shaft and a a second coupling shaft supported by one of a restoring force generation member and an inertial mass body to couple the restoring force generation member and the inertial mass body so that the restoring force generation member and the inertial mass body are rotatable relative to each other; and a guide portion formed in the other of the restoring force generation member and the inertial mass body to guide the second coupling shaft. The second coupling shaft swings about the first coupling shaft while keeping the interaxial distance between the shafts constant, and swings about a virtual axis, the relative position of which with respect to the inertial mass body is determined to be invariable, while keeping the interaxial distance between the virtual axis and the second coupling shaft constant.
    Type: Application
    Filed: September 30, 2016
    Publication date: December 27, 2018
    Applicant: AISIN AW CO., LTD.
    Inventors: Yoshihiro TAKIKAWA, Hiroki NAGAI, Masaki WAJIMA, Takao SAKAMOTO
  • Publication number: 20180371228
    Abstract: To provide a fluororesin composition which is excellent in flexibility and oil resistance, is less susceptible to heat discoloration and is excellent in moldability. The fluororesin composition is made of a melt-kneaded product comprising a fluorinated elastomer having a storage shear modulus G? of at least 100 and a melt-moldable fluororesin having a melting point of at least 150° C., wherein the fluorinated elastomer is dispersed in the fluororesin, the content of the fluorinated elastomer is from 10 to 65 mass % to the total of the fluorinated elastomer and the fluororesin, and the total amount of the fluorinated elastomer and the fluororesin is at least 90 mass % to the fluororesin composition, and the storage modulus E? of the fluororesin composition at a temperature higher by 25° C. than the melting point of the fluororesin is at most 250 kPa.
    Type: Application
    Filed: July 27, 2018
    Publication date: December 27, 2018
    Applicant: AGC Inc.
    Inventors: Satoko Yasuda, Hiroki Nagai, Eiichi Nishi, Toru Sasaki
  • Patent number: 10132384
    Abstract: A centrifugal pendulum vibration absorbing device includes a flange that is coupled to a driven member that is a rotary element that rotates using power from an engine and a mass body that is coupled to the flange so as to oscillate about a pendulum fulcrum PF and is designed so as to have an effective order qeff that is greater by a correction amount ?q that is at least associated with the non-linearity of an order q of vibration of the flange and the mass body that is dependent on an oscillation angle ? of the mass body than an order qtag of vibration that is generated in the engine to be damped.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: November 20, 2018
    Assignee: AISIN AW CO., LTD.
    Inventors: Yoshihiro Takikawa, Yoichi Oi, Hiroki Nagai, Kazuhiro Itou
  • Publication number: 20180320755
    Abstract: A damper device that includes an input to which torque from an engine is transmitted; an output; a first intermediate element; a second intermediate element; a first elastic body disposed between the input and the first intermediate element; a second elastic body disposed between the first intermediate element and the output; a third elastic body disposed between the input and the second intermediate element; a fourth elastic body disposed between the second intermediate element and the output; and a fifth elastic body disposed between the first intermediate element and the second intermediate element, wherein at least one of the first to fifth elastic bodies has negative rigidity.
    Type: Application
    Filed: December 12, 2016
    Publication date: November 8, 2018
    Applicant: AISIN AW CO., LTD.
    Inventors: Yoshihiro TAKIKAWA, Hiroki NAGAI, Masaki WAJIMA, Takao SAKAMOTO, Kazuhiro ITOU
  • Patent number: 10121601
    Abstract: A method of generating electricity utilizing silicon oxide is provided. The method includes irradiating a light to a photocell comprising a photovoltaic material which consists essentially of silicon oxide in a manner that causes the silicon oxide to generate the electricity in response to the irradiation of light, and correcting the electricity from the photovoltaic material.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: November 6, 2018
    Assignee: INTERNATIONAL FRONTIER TECHNOLOGY LABORATORY, INC.
    Inventors: Nobuaki Komatsu, Tomoko Ito, Hiroki Nagai
  • Publication number: 20180313900
    Abstract: An ECU obtains an OCV and an internal pressure, obtains a first estimated value of an SOC corresponding to the time of charging and a second estimated value of the SOC corresponding to the time of discharging using the obtained OCV and a first correspondence, obtains a third estimated value of an SOC corresponding to the time of charging and a fourth estimated value of the SOC corresponding to the time of discharging using the obtained internal pressure and a second correspondence, estimates the SOC using at least one of the first or the third estimated value when a first difference between the first and the third estimated value is less than a second difference between the second and the fourth estimated value, and estimates the SOC using at least one of the second or the fourth estimated value when the second difference is less than the first difference.
    Type: Application
    Filed: April 12, 2018
    Publication date: November 1, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tatsuya KOGA, Kenichi OHTA, Hiroki NAGAI
  • Publication number: 20180298131
    Abstract: To provide a method for producing a tetrafluoroethylene copolymer-containing aqueous dispersion excellent in stability against a mechanical stress.
    Type: Application
    Filed: May 11, 2018
    Publication date: October 18, 2018
    Applicants: ASAHI GLASS COMPANY, LIMITED, AGC CHEMICALS EUROPE, LIMITED
    Inventors: Shigeki Kobayashi, Hiroki Nagai, Shinya Higuchi, Akiko Tanaka, Masahiro Takazawa, Ariana Claudia Morgovan-Ene, Anthony Eugene Wade, Diane Caine
  • Publication number: 20180298160
    Abstract: To provide a polytetrafluoroethylene aqueous dispersion which is excellent in mechanical stability, while being not susceptible to foaming. The polytetrafluoroethylene aqueous dispersion comprises: 15 to 70 mass % of polytetrafluoroethylene particles having an average primary particle size of 0.1 to 0.5 ?m; 0.1 to 20,000 ppm, to the mass of the polytetrafluoroethylene particles, of a fluorinated emulsifier selected from C4-7 fluorinated carboxylic acids which may have an ether oxygen atom, and salts thereof; 1 to 20 parts by mass, per 100 parts by mass of the PTFE particles, of a nonionic surfactant represented by R1—O-A-H (wherein R1 is a C8-18 alkyl group, and A is a polyoxyalkylene chain); 0.01 to 3.0 parts by mass, per 100 parts by mass of the polytetrafluoroethylene particles, of a compound represented by the formula (2) (wherein R is a C2-4 alkyl group, n is 1 or 2, and each of m1 and m2 is an average repeating number of oxyethylene groups, with (m1+m2) being 1 to 6); and water.
    Type: Application
    Filed: May 9, 2018
    Publication date: October 18, 2018
    Applicants: ASAHI GLASS COMPANY, LIMITED, AGC CHEMICALS EUROPE, LIMITED
    Inventors: Shigeki KOBAYASHI, Hiroki NAGAI, Shinya HIGUCHI, Akiko TANAKA, Masahiro TAKAZAWA, Ariana Claudia MORGOVAN-ENE, Anthony Eugene WADE, Diane CAINE
  • Publication number: 20180294465
    Abstract: The battery pack disclosed herein includes a plurality of unit cells. The plurality of unit cells is connected to each other by a bus bar. The bus bar has two terminal connection portions and a linking portion. A linear welded portion is formed in a portion where the terminal connection portions and the external terminals overlap with each other. The linear welded portion is non-annular in the plane of the terminal connection portions and has a straight linear portion extending in a direction orthogonal to the arrangement direction, and two circular arc portions that extend from respective ends of the straight linear portion and are curved toward a side opposite to the side where the linking portion is located.
    Type: Application
    Filed: April 6, 2018
    Publication date: October 11, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki NAGAI, Koji TAMARU, Ryo KAGAMI, Yuki OKAMOTO
  • Publication number: 20180277818
    Abstract: The present invention provides a battery pack that has a plurality of single cells arranged in an array direction, and a bus bar that electrically connects the plurality of single cells. The bus bar has a first bent portion that is bent in a direction away from each of the single cells, and a second bent portion that is bent in a direction opposite to the direction in which the first bent portion is bent. The first bent portion and the second bent portion are disposed side by side in the array direction, and extend from one end of the bus bar to the other end of the same so as to intersect with the array direction. The first bent portion is configured to expand gradually from the one end of the bus bar to the other end of the same. The second bent portion is configured to narrow gradually from the one end of the bus bar to the other end of the same.
    Type: Application
    Filed: March 19, 2018
    Publication date: September 27, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki NAGAI, Koji TAMARU, Ryo KAGAMI, Yuki OKAMOTO
  • Publication number: 20180261397
    Abstract: A silicon dioxide solar cell includes first and second substrates having electrical conductivity, the first and second substrates being arranged so that conductive surfaces of the first and second substrates are facing each other, the first substrate being a transparent substrate on a light incident side to which a light is irradiated; a silicon dioxide layer consisting essentially of silicon dioxide particles which is formed on an electrode disposed on the second substrate such that the silicon dioxide layer has a photovoltaic ability absorbing an infrared light; and an electrolyte disposed between said first and second substrate. The space between the silicon dioxide layer and the first substrate on the light incident side is filled with the electrolyte, and the silicon dioxide solar cell is configured to generate electricity from the silicon dioxide particles of the silicon dioxide layer and output the electricity via the electrode.
    Type: Application
    Filed: May 7, 2018
    Publication date: September 13, 2018
    Applicant: INTERNATIONAL FRONTIER TECHNOLOGY LABORATORY, INC.
    Inventors: Nobuaki Komatsu, Tomoko Ito, Hiroki Nagai
  • Patent number: 10072726
    Abstract: A damper device including an input to which power from an internal combustion engine is transmitted and an output, the damper device including: a first torque transmission path including a first elastic body that transmits torque between the input and the output; and a second torque transmission path disposed in parallel with the first torque transmission path and including an intermediate element, a second elastic body that transmits the torque between the input and the intermediate element, and a third elastic body that transmits the torque between the intermediate element and the output, wherein the second and third elastic bodies are placed outside the first elastic body in a radial direction of the damper device so as to be arranged side by side in a circumferential direction of the damper device.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: September 11, 2018
    Assignee: AISIN AW CO., LTD.
    Inventors: Yoshihiro Takikawa, Yoichi Oi, Hiroki Nagai, Kazuhiro Itou
  • Publication number: 20180245663
    Abstract: A rotary inertia mass damper of a damper device is configured to include a planetary gear that includes a driven member with outer teeth, first and second input plate member as a carrier which rotatably supports a plurality of pinion gears, and a ring gear that meshes with the plurality of pinion gears and works as the mass body. The outer teeth of the driven member are arranged to be disposed outside first and second springs in a radial direction of the damper device. The driven member, the plurality of pinion gears and the ring gear are arranged to at least partially overlap with the first and second springs as viewed in the radial direction. A motion of the ring gear in the axial direction is restricted by the plurality of pinion gears.
    Type: Application
    Filed: June 27, 2016
    Publication date: August 30, 2018
    Applicants: AISIN AW INDUSTRIES CO., LTD, AISIN AW CO., LTD.
    Inventors: Takuya YOSHIKAWA, Aki OGAWA, Akiyoshi KATO, Ryosuke OTSUKA, Yoshihiro INOUE, Yoshihiro TAKIKAWA, Hiroki NAGAI, Masaki WAJIMA, Takao SAKAMOTO, Kazuhiro ITOU
  • Publication number: 20180237628
    Abstract: To provide a crosslinkable composition containing a fluorinated copolymer, which is excellent in crosslinkability and gives a crosslinked product being capable of suppressing production of particles upon plasma irradiation, a crosslinked product obtained by crosslinking the composition, and a sealing material for a semiconductor production equipment, containing the crosslinked product. A crosslinkable composition comprising; a copolymer (X) having an iodine atom and also having structural units based on tetrafluoroethylene and structural units based on propylene, wherein the content of structural units based on vinylidene fluoride is less than 0.1 mol % in all of the structural units; an organic peroxide; a crosslinking aid; and at least one member selected from the group consisting of a quaternary ammonium salt, a quaternary phosphonium salt and an organic amine, wherein the metal element content is less than 1 part by mass based on 100 parts by mass of the copolymer (X).
    Type: Application
    Filed: April 19, 2018
    Publication date: August 23, 2018
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Satoko YASUDA, Hiroki Nagai, Keisuke Yagi, Takehiro Kose, Takeshi Yamada
  • Publication number: 20180241029
    Abstract: A lithium secondary battery of the present invention has a positive electrode is provided with a positive electrode mix layer that includes a positive electrode active material and a conductive material. The positive electrode mix layer has two peaks, large and small, of differential pore volume over a pore size ranging from 0.01 ?m to 10 ?m in a pore distribution curve measured by a mercury porosimeter. A pore size of the smaller peak B of the differential pore volume is smaller than a pore size of the larger peak A of the differential pore volume.
    Type: Application
    Filed: April 23, 2018
    Publication date: August 23, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki Nagai, Masahiro Morita, Yukihiro Okada
  • Publication number: 20180223948
    Abstract: A four-bar linkage vibration absorbing device includes: crank members each coupled to a driven member of a damper device via a coupling shaft and each capable of swinging about the coupling shaft when the driven member is rotated; and a mass body that is coupled to the driven member via the crank members and that swings about the rotation center RC together with the crank members when the driven member is rotated. The driven member is coupled to a turbine runner of a hydraulic transmission device so as to rotate with the turbine runner.
    Type: Application
    Filed: September 25, 2015
    Publication date: August 9, 2018
    Applicant: AISIN AW CO., LTD.
    Inventors: Yoshihiro TAKIKAWA, Hiroki NAGAI, Takao SAKAMOTO, Masaki WAJIMA
  • Publication number: 20180208742
    Abstract: To provide a method for producing a crosslinked product of a fluoroelastomer having no hydrogen atom bonded to a carbon atom, by which formation of white foreign matters is suppressed, and a fluoroelastomer composition suitable for the production method. A method for producing a crosslinked product, which comprises crosslinking a fluoroelastomer composition containing a fluoroelastomer having no hydrogen atom bonded to a carbon atom, such as a tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, and a fatty acid metal salt having a melting point of less than 200° C., at a crosslinking temperature higher than the melting point of the fatty acid metal salt, and a fluoroelastomer composition containing the fluoroelastomer and a fatty acid metal salt having a melting point of less than 200° C.
    Type: Application
    Filed: March 22, 2018
    Publication date: July 26, 2018
    Applicant: Asahi Glass Company, Limited
    Inventors: Takeshi Yamada, Ken Iruya, Hiroki Nagai
  • Patent number: 10029731
    Abstract: A work vehicle includes a prime mover unit disposed in a front part of the vehicle body, a driving part located in a rear part of the vehicle body, a battery disposed between the prime mover unit and the driving part, a base frame disposed in a lower part of the vehicle body and a center pillar that extends upward from the base frame. The prime mover unit includes a radiator disposed immediately forward of the center pillar.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: July 24, 2018
    Assignee: Kubota Corporation
    Inventors: Koichiro Matsumoto, Shoichiro Nagaishi, Ryo Matsumoto, Hiroshi Kawabata, Hiroki Nagai, Masahiro Izumi, Masaki Takaoka, Tasuku Teraoka, Takashi Kumashiro
  • Publication number: 20180201708
    Abstract: A fluororesin excellent in radiation resistance is provided. A fluororesin composed of a tetrafluoroethylene/ethylene copolymer which is a bipolymer of tetrafluoroethylene and ethylene containing units derived from tetrafluoroethylene in a proportion of from 50 to 60 mol % relative to the total of the units derived from tetrafluoroethylene and units derived from ethylene, wherein the melt flow rate measured at a temperature of 297° C. under a load of 49 N in accordance with ASTM D3159 is 0.1 g/10 min or less.
    Type: Application
    Filed: March 16, 2018
    Publication date: July 19, 2018
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Keisuke YAGI, Shigeki Kobayashi, Hiroki Nagai
  • Publication number: 20180205080
    Abstract: An object of the present invention is to provide nickel cobalt manganese composite hydroxide particles having a small particle diameter and a uniform particle size distribution, and a method for producing the same. [Solution] A method for producing a nickel cobalt manganese composite hydroxide by a crystallization reaction is provided. The method includes: a nucleation step of performing nucleation by controlling a pH of an aqueous solution for nucleation including metal compounds containing nickel, cobalt and manganese, and an ammonium ion donor to 12.0 to 14.0 in terms of the pH as measured at a liquid temperature of 25° C. as a standard; and a particle growth step of growing nuclei by controlling a pH of an aqueous solution for particle growth containing nuclei formed in the nucleation step to 10.5 to 12.0 in terms of the pH as measured at a liquid temperature of 25° C. as a standard.
    Type: Application
    Filed: March 12, 2018
    Publication date: July 19, 2018
    Applicants: SUMITOMO METAL MINING CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroyuki TOYA, Shin Imaizumi, Kensaku Mori, Atsushi Fukui, Kenji Ikeuchi, Kazuomi Ryoshi, Toshiyuki Osako, Hiroki Nagai