Patents by Inventor Yasuhiro Hashimoto

Yasuhiro Hashimoto 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: 20230242853
    Abstract: A food processing apparatus includes a reaction tank having a first space for storing a liquid reactant to be used for a food; a stirrer including a first stirring body that stirs the reactant in the reaction tank by rotating; catalytic reactors, the catalytic reactors each including a reaction tube and a light source disposed in the reaction tube, the reaction tube having an outer surface provided with a photocatalyst, the reaction tube allowing light emitted from the light source to pass therethrough; and a temperature adjuster that adjusts the temperature of the reactant in the reaction tank. The catalytic reactors are disposed around a first rotary shaft of the first stirring body to be spaced from each other. The temperature adjuster surrounds the catalytic reactors.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 3, 2023
    Inventors: KUNIHIRO UKAI, YASUHIRO HASHIMOTO, DAISUKE INO
  • Publication number: 20230088424
    Abstract: A toner processing apparatus processing an object comprising toner particles, comprising a processing chamber having a drive shaft rotatably provided at the bottom of chamber; a rotating member and a flow means pivotally supported by the drive shaft, wherein the rotating member comprises a main portion, and a processing portion protruding outward in the radial direction comprising a plate-shaped processing surface that collides with the object, and a rear wing coupled to the upstream side of the plate-shaped processing surface in a rotation direction; the plate-shaped processing surface protrudes upward from the rear wing; the plate-shaped processing surface away from the main portion is on the downstream side in the rotation direction of the rotating member; and where a radius of inner circumference of processing chamber is denoted by d, the shortest distance between inner wall of processing chamber and plate-shaped processing surface is 0.100d or less.
    Type: Application
    Filed: August 22, 2022
    Publication date: March 23, 2023
    Inventors: Shotaro Nomura, Takeshi Tsujino, Yasuhiro Hashimoto, Atsuhiko Ohmori
  • Publication number: 20230082471
    Abstract: A toner processing apparatus for processing an object comprising a toner particle and an external additive, the toner processing apparatus comprising: a processing chamber in which the object is accommodated; a drive shaft rotatably provided at a bottom of the processing chamber; and a rotating member pivotally supported on the drive shaft; wherein the rotating member comprises a rotating member body; and a protruding portion protruding from an outer peripheral portion of the rotating member body, outward in a radial direction; the rotating member comprises a processing member processing the object by colliding at the protruding portion; the processing member constitutes a part or an entirety of the protruding portion; the rotating member body and the processing member can be separated; the rotating member body comprises a projecting parts protruding in a direction in which the rotating member rotates; and the processing member fits with the projecting parts.
    Type: Application
    Filed: August 18, 2022
    Publication date: March 16, 2023
    Inventors: Yasuhiro Hashimoto, Shotaro Nomura
  • Patent number: 11360404
    Abstract: A toner comprising a toner particle that contains a binder resin and fine particles A at the surface of the toner particle, wherein the fine particles A are organosilicon polymer fine particles, the organosilicon polymer fine particles have a number-average primary particle diameter of 30 nm to 500 nm, the organosilicon polymer fine particles have an attachment index for a polycarbonate film of not more than 3.5, the organosilicon polymer fine particles penetrate into the toner particle in a penetration depth b (nm), and protrude from the toner particle in a protrusion height c (nm), and b and c satisfy 0.05?b/(b+c)?0.40.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: June 14, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takaaki Furui, Yojiro Hotta, Yasuhiro Hashimoto, Koji Nishikawa, Shotaro Nomura, Yuujirou Nagashima
  • Publication number: 20220066341
    Abstract: A toner comprising: a toner particle containing a resin component and a wax; and an inorganic fine particle on the surface of the toner particle, wherein, in a cross section of the toner particle, domains containing the wax are observed, and when among the domains, domains having a major diameter of 10-300 nm are defined as domains S, an occupation area percentage of which a ratio of a total sum of areas occupied by the domains S in a region from a surface of the toner particle to a depth of 600 nm in the cross section with respect to an area of the region, is 3.0-15.0%, and wherein the inorganic fine particle contains a fine particle A having a volume resistivity of 1.0×103 to 3.0×105 ?·cm, and having a relative permittivity ?r of 100 or more.
    Type: Application
    Filed: August 18, 2021
    Publication date: March 3, 2022
    Inventors: Takaaki Furui, Atsuhiko Ohmori, Yasuhiro Hashimoto
  • Publication number: 20220066339
    Abstract: A toner comprises a toner particle containing a resin component and a wax; and an inorganic fine particle on a surface of the toner particle, wherein in the cross section of the toner particle, domains including the wax are present in a region ranging from a surface of the toner particle to a depth of 600 nm from the surface, wherein when a percentage ratio of sum of areas of all the domains in the region with respect to an area of the region is R2, and when a percentage ratio of sum of areas of the domains having a major diameter of 10 to 120 nm in the region with respect to the area of the region is R1, R1 and R2 satisfy the following formulae (1) and (2): 2.0?R1(%)?15.0??formula(1) R1(%)/R2(%)?0.60??formula (2).
    Type: Application
    Filed: August 10, 2021
    Publication date: March 3, 2022
    Inventors: Atsuhiko Ohmori, Takaaki Furui, Yasuhiro Hashimoto
  • Publication number: 20210302856
    Abstract: A toner is provided, which has a toner particle that contains a binder resin, and organosilicon polymer particle on a surface of the toner particle. A methanol concentration a (vol %) of the organosilicon polymer particle in a wettability test and a methanol concentration b (vol %) of the toner particle in a wettability test satisfy Expression (I) below: |a?b|?25??(I), and an adhesion index of the organosilicon polymer particle on a polycarbonate film, calculated on the basis of Expression (II) below, is not more than 3.
    Type: Application
    Filed: March 10, 2021
    Publication date: September 30, 2021
    Inventors: Yuujirou Nagashima, Yasuhiro Hashimoto, Koji Nishikawa, Tomoya Nagaoka, Shuntaro Watanabe, Hiroki Akiyama, Hiroki Kagawa
  • Publication number: 20210294238
    Abstract: A toner comprising a toner particle comprising a binder resin and organosilicon polymer particles on a surface of the toner particle, wherein the binder resin comprising an amorphous resin and a crystalline polyester resin, an absolute value |SPcpes?SPsi| of a difference between an SP value (SPsi) of the organosilicon polymer particles and an SP value (SPcpes) of the crystalline polyester resin is not more than 2.00 (cal/cm3)1/2, and an amount of adsorbed water in the organosilicon polymer particles at a temperature of 30° C. and a humidity of 80% RH is not more than 20 mg/g.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 23, 2021
    Inventors: Yasuhiro Hashimoto, Koji Nishikawa, Yuujirou Nagashima, Tomoya Nagaoka
  • Publication number: 20210286283
    Abstract: A toner comprising a toner particle and an external additive on a surface of the toner particle, wherein the toner particle comprises a core particle containing a binder resin and a shell layer on a surface of the core particle, the shell layer comprises a compound containing nitrogen atoms, the external additive comprises an organosilicon polymer particle, and a difference between the work function Wa of the organosilicon polymer particle and the work function Wb of the toner particle satisfies the following formula (A): 0.00 eV<Wa?Wb?0.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 16, 2021
    Inventors: Tomoya Nagaoka, Yasuhiro Hashimoto, Koji Nishikawa, Yuujirou Nagashima
  • Publication number: 20210288216
    Abstract: A semiconductor light-emitting element according to the present invention includes an n-type semiconductor layer, an active layer, a p-type semiconductor layer, and a p-electrode. The n-type semiconductor layer has a composition of AlGaN or AlInGaN. The active layer is formed on the n-type semiconductor layer. The active layer contains an AlGaN semiconductor or an AlInGaN semiconductor. The p-type semiconductor layer is formed on the active layer. The p-type semiconductor layer has a composition of AlN, AlGaN, or AlInGaN. The p-electrode is formed on the p-type semiconductor layer. The p-type semiconductor layer includes a contact layer formed on the p-electrode. The contact layer includes an AlGaN layer or an AlInGaN layer in which a band gap decreases toward an interface with the p-electrode. The contact layer includes a tunneling contact layer in contact with the p-electrode. The tunneling contact layer is connected to the p-electrode by a tunnel junction.
    Type: Application
    Filed: October 7, 2019
    Publication date: September 16, 2021
    Applicant: STANLEY ELECTRIC CO., LTD.
    Inventors: Toshiyuki OBATA, Yasuhiro HASHIMOTO
  • Publication number: 20210286281
    Abstract: A toner comprising: a toner particle that comprises a core particle comprising a binder resin, and a shell layer comprising a thermoplastic resin on a surface of the core particle; and organosilicon polymer particles on a surface of the toner particle, wherein a peak top molecular weight of the thermoplastic resin, according to measurement by gel permeation chromatography, is 30000 to 500000, a number-average primary particle diameter of the organosilicon polymer particles is 10 nm to 500 nm, and an absolute value of a difference (?SP) between an SP value (SPSi) of the organosilicon polymer particles and an SP value (SPSh) of the thermoplastic resin present in the shell layer is not more than 2.30.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 16, 2021
    Inventors: Koji Nishikawa, Yasuhiro Hashimoto, Yuujirou Nagashima, Tomoya Nagaoka
  • Publication number: 20210218320
    Abstract: A rotor is provided with: a rotor core which rotates integrally with a shaft and has a plurality of radially extending teeth; windings including coil portions wound around the teeth; a commutator that is attached to the rotor core and integrally rotates with the shaft, the commutator including metal commutator segments having contact portions with which precious metal brushes make sliding contact, and a plurality of terminals to which the windings are bonded; elements which include capacitors and respectively electrically connecting terminals to which both ends of the coil portions of the same phase are connected; and a coating layer formed of an oil applied to the contact portions. A motor includes this rotor.
    Type: Application
    Filed: January 15, 2020
    Publication date: July 15, 2021
    Applicant: MABUCHI MOTOR CO., LTD.
    Inventors: Yasuhiro HASHIMOTO, Hideyuki UZAWA, Keiji NAKAMURA
  • Patent number: 10996577
    Abstract: Toner comprising a toner particle containing binder resin and colorant, wherein fine particles A (organosilicon polymer particles containing an organosilicon polymer) and fine particles B are present at the toner particle surface, the organosilicon polymer has structure in which Si and O are alternately bonded to each other, portion of Si in the organosilicon polymer has R1—SiO3/2 structure, and content of the fine particles A, proportion for area of peak originating with silicon having the structure, volume resistivity of the fine particles B, total coverage ratio of the toner particle surface by the fine particles A embedded in the toner particle (A1) and the fine particles A not embedded in the toner particle (A2), percentage for area occupied by the fine particles A2, content of the fine particles B in the toner, and percentage for area occupied by the fine particles B embedded in the toner particle are prescribed range.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: May 4, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Koji Nishikawa, Yojiro Hotta, Yasuhiro Hashimoto, Takaaki Furui, Shotaro Nomura, Yuujirou Nagashima
  • Patent number: 10983451
    Abstract: A toner comprising an organosilicon polymer particle and a toner particle containing a binder resin and a wax, wherein the organosilicon polymer particle contains an organosilicon polymer, a part of silicon atoms in the organosilicon polymer has a T3 unit structure, a ratio of an area of peaks derived from silicon having the T3 unit structure relative to a total area of peaks derived from all silicon element contained in the organosilicon polymer particle is from 0.70 to 1.00 in 29Si-NMR measurement of the organosilicon polymer particle, a plurality of domains of the wax are present in a cross-section of the toner particle, the wax is an ester wax, the average long diameter of the domains of the ester wax is from 0.03 ?m to 2.00 ?m, and the SP value SPw of the wax is from 8.59 to 9.01.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: April 20, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yasuhiro Hashimoto, Yojiro Hotta, Koji Nishikawa, Takaaki Furui, Shotaro Nomura, Yuujirou Nagashima
  • Patent number: 10983450
    Abstract: A toner comprising: a toner particle containing a binder resin; and an external additive, wherein the external additive comprises an external additive A and B; the external additive A has a number-average primary particle diameter of 35 to 300 nm, a dielectric constant ?ra of not more than 3.50, and a shape factor SF-1 of not more than 114, and is an organosilicon polymer particle having a particular T3 unit structure; a proportion for an area of a peak originating from silicon having the T3 unit structure with reference to that of all silicon elements is 0.50 to 1.00; the external additive B has a number-average primary particle diameter of from 5 nm to 25 nm and a dielectric constant ?rb that satisfies formula (A): 0.50??rb??ra (A); and a coverage ratio by the external additive B for the toner particle surface is 50% to 100%.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: April 20, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Shotaro Nomura, Yasuhiro Hashimoto, Yojiro Hotta, Koji Nishikawa, Takaaki Furui, Yuujirou Nagashima
  • Patent number: 10894733
    Abstract: A method for controlling a liquid treatment apparatus of the present disclosure includes: (i) providing the liquid treatment apparatus; (ii) treating a polluted liquid in a photocatalytic reaction tank by a photocatalytic reaction to produce a treated liquid; (iii) introducing a liquid mixture into a separation tank from the photocatalytic reaction tank through a feed passage by a circulation pump; (iv) introducing a filtrate to an outside of the separation tank through an extraction passage while filtering the liquid mixture introduced into the separation tank by a filtration membrane, and feeding the liquid mixture to the photocatalytic reaction tank through an overflow passage; and (v) making a flow rate of the liquid mixture measured by a liquid mixture flow meter higher than a flow rate of the filtrate measured by a filtrate flow meter by controlling the circulation pump by a controller.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: January 19, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hirofumi Fujita, Daisuke Ino, Yasuhiro Hashimoto, Yuko Maruo, Tomoyasu Takaoka, Masahiro Iseki
  • Patent number: 10894252
    Abstract: Provided is a fabrication method of a photocatalytic material in which a single layer of a carbon-based participate is formed on a surface of each of titanium dioxide particle. The method includes (a) loading titanium dioxide particles into an electric furnace comprising a mechanism for rotating a core tube; (b) heating an inside of the core tube of the electric furnace into which the titanium dioxide particles have been loaded to a temperature of not less than 400° C. and not more than 800° C., while an inert gas is introduced into the inside of the core tube; (c) supplying a hydrocarbon gas to the inside of the core tube in addition to the inert gas; and (d) performing a thermal CVD on each of the titanium dioxide particles in a fluidized state inside the core tube, while the core tube is rotated, to form a single layer of a carbon-based precipitate containing graphene on a surface of each of the titanium dioxide particles. A photocatalyst material is provided.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: January 19, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kohei Hara, Shunsuke Kori, Yasuhiro Hashimoto, Daisuke Ino
  • Patent number: 10889514
    Abstract: A water treatment method includes: calculating a total amount of ions contained in a total amount of an aqueous solution introduced into a first tank; when the calculated total amount of ions is greater than a first threshold value, introducing part of slurry in the first tank into a second tank; introducing, with an introducing unit, one of a marker molecule and a stain into the second tank; irradiating, from a second light source, the second tank with visible light; detecting, with a detector, first intensity of the visible light having transmitted through the second tank; and outputting, when the activity of photocatalytic particles calculated based on the first intensity is equal to or smaller than a second threshold value, information prompting replacement of the photocatalytic particles, an instruction of recovering the activity of the photocatalytic particles, or information indicative of deterioration of the photocatalytic particles.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: January 12, 2021
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Yasuhiro Hashimoto, Daisuke Ino, Tomoyasu Takaoka
  • Patent number: 10852650
    Abstract: A toner has a toner particle including a binder resin, a colorant, and a wax, in which in a cross section of the toner particle observed under a scanning transmission electron microscope, a proportion of the number of toner particles having a void with a long diameter of 0.50 ?m or less is 60 number % or more, and a proportion of the number of toner particles having a void in a region from an outline of the cross section of the toner particle inward to 1.00 ?m in a total number of the toner particles having a void is 30 number % or less.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: December 1, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Koki Inoue, Takeshi Tsujino, Yasuhiro Hashimoto, Junya Asaoka, Yuu Sasano, Kenta Katayama, Shota Amano
  • Patent number: D916017
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: April 13, 2021
    Assignee: ULVAC KIKO, INC.
    Inventors: Kazuaki Miyata, Souichirou Nishigama, Shuuichi Yonenaga, Yasuhiro Hashimoto, Hiroshi Hayashi