Patents by Inventor Masaaki Matsumoto

Masaaki Matsumoto 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: 20240133331
    Abstract: A catalyst support for induction heating includes: a honeycomb structure including a pillar shaped honeycomb structure portion having: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the cells extending from an end face on an inlet side to an end face on an outlet side in a gas flow direction to form a flow path; a catalyst supported onto an interior of the partition wall; and at least one magnetic body provided within the honeycomb structure, wherein the catalyst support has a region A where the catalyst is not supported, at least on the end face side of the catalyst support on the inlet side in the gas flow direction, and wherein the magnetic body is arranged at least in the region A in the gas flow direction.
    Type: Application
    Filed: January 3, 2024
    Publication date: April 25, 2024
    Applicant: NGK INSULATORS, LTD.
    Inventors: Yukio MIYAIRI, Masaaki MASUDA, Shuichi ICHIKAWA, Takuya ISHIHARA, Kai MATSUMOTO, Norihisa FUJIE, Yoichi AOKI
  • Publication number: 20240133330
    Abstract: A catalyst support for induction heating includes: a honeycomb structure including a pillar shaped honeycomb structure portion having: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the cells extending from an end face on an inlet side to an end face on an outlet side in a gas flow direction to form a flow path; a catalyst supported onto an interior of the partition wall; and at least one magnetic body provided within the honeycomb structure, wherein the catalyst support has a region A where the catalyst is not supported, at least on the end face side of the catalyst support on the inlet side in the gas flow direction, and wherein the magnetic body is arranged at least in the region A in the gas flow direction.
    Type: Application
    Filed: January 2, 2024
    Publication date: April 25, 2024
    Applicant: NGK INSULATORS, LTD.
    Inventors: Yukio MIYAIRI, Masaaki MASUDA, Shuichi ICHIKAWA, Takuya ISHIHARA, Kai MATSUMOTO, Norihisa FUJIE, Yoichi AOKI
  • Patent number: 11954292
    Abstract: An input device includes a fixed electrode, first and second movable electrodes, a first elastic member having a portion and being configured to deform so as to displace the portion of the first elastic member in accordance with a movement of the first movable electrode, a second elastic member having a portion and being configured to deform so as to displace the portion of the second elastic member in accordance with a movement of the second movable electrode, and a terminal configured to output a signal corresponding to a change in a capacitance between the first and second movable electrodes. The input device is responsible to various manipulations while not preventing a click feeling from being generated.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: April 9, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yuta Saito, Masaaki Yamabayashi, Kenichi Matsumoto, Ryo Nakae
  • Publication number: 20230398808
    Abstract: A pencil lead may achieve high levels of both improved density and improved fixability of a hand-drawn line and also be less likely to stain a hand during writing. Examples of this pencil lead include a pencil lead comprising a black porous fired lead body including at least graphite, wherein at least a compound selected from octyldodecyl erucate, oleyl oleate, octyldodecyl oleate, isopropyl palmitate, 2-ethylhexyl palmitate, and propylene glycol monooleate is impregnated in pores of the porous fired lead body. The pores of the black porous fired lead body are preferably impregnated with at least one selected from a terpene phenolic resin, a rosin ester resin, a ketone resin, and a rosin-modified phenolic resin, in addition to the compound.
    Type: Application
    Filed: October 5, 2021
    Publication date: December 14, 2023
    Applicant: MITSUBISHI PENCIL COMPANY, LIMITED
    Inventors: Hiroyuki ARAI, Ryota KUBO, Masaaki MATSUMOTO
  • Publication number: 20230333568
    Abstract: In a transport vehicle system including transport vehicles and a storage, each of the transport vehicles has a laser range sensor, an onboard controller, and a communicator. The storage stores an environment map. The onboard controller includes an own position estimator and a first periphery information generator. The own position estimator estimates an own position of the own transport vehicle based on periphery information of the own transport vehicle, currently recognized position information of the own transport vehicle, and the environment map. When supplementary information is obtained via the communicator of the own transport vehicle, the first periphery information generator adds the supplementary information to sensor information of the own transport vehicle to generate the periphery information of the own transport vehicle.
    Type: Application
    Filed: May 12, 2020
    Publication date: October 19, 2023
    Inventor: Masaaki MATSUMOTO
  • Publication number: 20230327509
    Abstract: An insulator includes a teeth cover portion and a crossover-wire guide portion. The crossover-wire guide portion guides a crossover-wire portion of a coil and an introduction crossover-wire portion of an introduction coil into a terminal connection portion. The crossover-wire guide portion has a guide groove that guides the crossover-wire portion and the introduction crossover-wire portion substantially in a core circumferential direction that is a circumferential direction of the stator core. In a state in which the plurality of the split cores are assembled in a ring shape, the guide groove is formed in a shape that does not coincide with a circular arc of a circle having a center corresponding to a ring center of the assembled split cores.
    Type: Application
    Filed: April 28, 2021
    Publication date: October 12, 2023
    Applicant: Toshiba Industrial Products and Systems Corporation
    Inventors: Takashi ARAKI, Motoyasu MOCHIZUKI, Masaaki MATSUMOTO
  • Publication number: 20230291271
    Abstract: A rotating electric machine cooling frame according to an embodiment includes: a cylindrical frame main body; one cooling-medium inlet provided on the frame main body; one cooling-medium outlet provided on the frame main body; and a plurality of flow-passage lines provided in the frame main body, including a cooling-medium flow passage in communication with the cooling-medium inlet and the cooling-medium outlet.
    Type: Application
    Filed: June 14, 2021
    Publication date: September 14, 2023
    Applicants: Toshiba Industrial Products and Systems Corporation, KAWAMATA SEIKI CO., LTD.
    Inventors: Takashi ARAKI, Toshiaki HIRATE, Motoyasu MOCHIZUKI, Masaaki MATSUMOTO, Ryou TAMURA, Hiroyasu FUKUHARA
  • Publication number: 20230261196
    Abstract: A technique relating to a binder having high workability while retaining binding properties is provided. An electrode binder composition includes an aqueous polyurethane resin dispersion in which a polyurethane resin is dispersed in water, a carbon nanotube, and a surfactant. The surfactant includes at least one selected from the group consisting of nonionic surfactants, silicon-based surfactants, and fluorine-based surfactants, and a content of the surfactant is 0.1 mass % or more and 20 mass % or less relative to a total amount of the polyurethane resin, the carbon nanotube, and the surfactant.
    Type: Application
    Filed: October 6, 2021
    Publication date: August 17, 2023
    Applicant: DKS Co. Ltd.
    Inventors: Masaaki MATSUMOTO, Akiyoshi NISHIKAWA, Koichi SAKAMOTO, Tetsuya HIGASHIZAKI
  • Publication number: 20230238848
    Abstract: An insulator according to an embodiment is attached to teeth extending from one side surface in a radial direction of a ring-shaped stator core in the radial direction. The insulator ensures insulation between the teeth and a rectangular wire wound around the teeth with a number of windings. The insulator includes an end-surface cover portion, two side-surface cover portions, a first wall portion, a second wall portion, a protruding-stripe portion, and a recess. The end-surface cover portion covers an end surface of the teeth in an axial direction. The two side-surface cover portions cover both side surfaces of the teeth in a circumferential direction. At one side-surface cover portion of the two side-surface cover portions, a first winding of the rectangular wire is disposed, the rectangular wire is wound around the teeth with a number of windings, and the protruding-stripe portion and the recess are formed.
    Type: Application
    Filed: April 28, 2021
    Publication date: July 27, 2023
    Applicant: Toshiba Industrial Products and Systems Corporation
    Inventors: Takashi ARAKI, Motoyasu MOCHIZUKI, Masaaki MATSUMOTO
  • Publication number: 20230238864
    Abstract: A coil-connecting method according to an embodiment includes: preparing a metal sleeve having a circular shape when viewed from an axial direction; processing the metal sleeve such that the metal sleeve has a non-circular shape when viewed from the axial direction, thereby obtaining a deformed sleeve; inserting a plurality of coils into the deformed sleeve, aligning the plurality of the coils by the deformed sleeve; and swaging the deformed sleeve after the plurality of the coils are inserted into the deformed sleeve, thereby connecting the deformed sleeve and the plurality of the coils together.
    Type: Application
    Filed: May 26, 2021
    Publication date: July 27, 2023
    Applicant: Toshiba Industrial Products and Systems Corporation
    Inventors: Takashi ARAKI, Motoyasu MOCHIZUKI, Masaaki MATSUMOTO
  • Publication number: 20230170754
    Abstract: An insulator according to an embodiment includes a teeth cover portion and a crossover-wire guide portion. The crossover-wire guide portion includes a plurality of guide walls, a drawing groove, a drawing path, and a crossover-wire support portion. The plurality of the guide walls separate the crossover-wire portions of the coils and are capable of guiding the crossover-wire portions in the core circumferential direction. The drawing groove penetrates through all of the plurality of the guide walls in the core radial direction. The drawing path is disposed at a position away from the drawing groove in the core circumferential direction. The crossover-wire support portion changes a direction of the crossover-wire portion of the coil drawn out from the drawing groove, to be directed to the drawing path, and supports the crossover-wire portion.
    Type: Application
    Filed: April 28, 2021
    Publication date: June 1, 2023
    Applicant: Toshiba Industrial Products and Systems Corporation
    Inventors: Takashi ARAKI, Motoyasu MOCHIZUKI, Masaaki MATSUMOTO
  • Publication number: 20220356349
    Abstract: One aspect of the present application relates to a resin composition including a modified polyphenylene ether compound having a carbon-carbon unsaturated double bond at a molecular end, a maleimide compound having two or more N-substituted maleimide groups in one molecule, and a liquid styrene-butadiene copolymer having a weight average molecular weight of less than 10000 and having a 1,2-vinyl group.
    Type: Application
    Filed: September 14, 2020
    Publication date: November 10, 2022
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiroaki UMEHARA, Masaaki MATSUMOTO, Ryuji TAKAHASHI
  • Patent number: 11437607
    Abstract: A composition that includes a dispersion stabilizer for an electrode coating liquid for a power storage device is provided. The composition has superior ability to stably disperse an electrode active material and a conductive material, and makes it possible to manufacture a uniform electrode, even when a dispersion device that has weak shear force is used. A dispersant for an electrode coating liquid for a power storage device, the dispersant being characterized by containing cellulose fibers that satisfy (a)-(c). (a) The number average width of the short widths is 2-200 nm. (b) The aspect ratio is 7.5-250. (c) Cellulose I crystals are included and the crystallinity thereof is 70%-95%.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: September 6, 2022
    Assignee: DAI-ICHI KOGYO SEIYAKU CO., LTD.
    Inventors: Ayano Sofue, Yasuteru Saito, Yosuke Goi, Yoshiki Ito, Tetsuya Higashizaki, Yuji Hoshihara, Masaaki Matsumoto
  • Patent number: 11342560
    Abstract: An electrode coating liquid composition that contains an electrode active material, a conductive auxiliary, a dispersant, and a binding agent. The dispersant contains cellulose fibers that satisfy (a)-(c). A total amount of the dispersant and the binding agent is 0.5 mass % or more and 15 mass % or less with respect to 100 mass % of the solid content of the electrode coating liquid composition. (a) the number average width of the shortest widths is 2 nm or more and 200 nm or less. (b) the aspect ratio is 7.5 or more and 75 or less. (c) cellulose I crystals are included and the crystallinity thereof is 70% or more and 95% or less.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: May 24, 2022
    Assignee: DAI-CHI KOGYO SEIYAKU CO., LTD.
    Inventors: Ayano Sofue, Yasuteru Saito, Yosuke Goi, Yoshiki Ito, Tetsuya Higashizaki, Yuji Hoshihara, Masaaki Matsumoto
  • Patent number: 11329538
    Abstract: According to one embodiment, in a lateral cross section, a rotor core includes a plurality of layers of barrier regions formed to be arranged in a radial direction with intervals in each magnetic pole. Each barrier region includes a flux barrier extending from near a part of an outer circumferential surface through d axis to near another part thereof. At least a flux barrier of a barrier region provided at an outermost circumferential surface side is filled with a nonmagnetic conductive material. A barrier-side edge on a side of the central axis, which defines the flux barrier of the barrier region provided in an outermost circumferential surface side is located within a range of 0.55<2a/R2 <0.84.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: May 10, 2022
    Assignees: TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION, Toshiba Industrial Products and Systems Corporation
    Inventors: Katsutoku Takeuchi, Makoto Matsushita, Yuji Yamamoto, Masaaki Matsumoto
  • Publication number: 20210226217
    Abstract: An electrode coating liquid composition that contains an electrode active material, a conductive auxiliary, a dispersant, and a binding agent. The dispersant contains cellulose fibers that satisfy (a)-(c). A total amount of the dispersant and the binding agent is 0.5 mass % or more and 15 mass % or less with respect to 100 mass % of the solid content of the electrode coating liquid composition. (a) the number average width of the shortest widths is 2 nm or more and 200 nm or less. (b) the aspect ratio is 7.5 or more and 75 or less. (c) cellulose I crystals are included and the crystallinity thereof is 70% or more and 95% or less.
    Type: Application
    Filed: January 24, 2018
    Publication date: July 22, 2021
    Applicant: DAI-ICHI KOGYO SEIYAKU CO.,LTD.
    Inventors: Ayano SOFUE, Yasuteru SAITO, Yosuke GOI, Yoshiki ITO, Tetsuya Higashizaki, Yuji Hoshihara, Masaaki MATSUMOTO
  • Publication number: 20210210740
    Abstract: A composition that includes a dispersion stabilizer for an electrode coating liquid for a power storage device is provided. The composition has superior ability to stably disperse an electrode active material and a conductive material, and makes it possible to manufacture a uniform electrode, even when a dispersion device that has weak shear force is used. A dispersant for an electrode coating liquid for a power storage device, the dispersant being characterized by containing cellulose fibers that satisfy (a)-(c). (a) The number average width of the short widths is 2-200 nm. (b) The aspect ratio is 7.5-250. (c) Cellulose I crystals are included and the crystallinity thereof is 70%-95%.
    Type: Application
    Filed: January 24, 2018
    Publication date: July 8, 2021
    Applicant: DAI-ICHI KOGYO SEIYAKU CO., LTD.
    Inventors: Ayano SOFUE, Yasuteru SAITO, Yosuke GOI, Yoshiki ITO, Tetsuya Higashizaki, Yuji Hoshihara, Masaaki MATSUMOTO
  • Publication number: 20200343798
    Abstract: According to one embodiment, in a lateral cross section, a rotor core includes a plurality of layers of barrier regions formed to be arranged in a radial direction with intervals in each magnetic pole. Each barrier region includes a flux barrier extending from near a part of an outer circumferential surface through d axis to near another part thereof. At least a flux barrier of a barrier region provided at an outermost circumferential surface side is filled with a nonmagnetic conductive material. A barrier-side edge on a side of the central axis, which defines the flux barrier of the barrier region provided in an outermost circumferential surface side is located within a range of 0.55<2a/R2 <0.84.
    Type: Application
    Filed: April 22, 2020
    Publication date: October 29, 2020
    Applicants: TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION, Toshiba Industrial Products and Systems Corporation
    Inventors: Katsutoku Takeuchi, Makoto Matsushita, Yuji Yamamoto, Masaaki Matsumoto
  • Patent number: 10778052
    Abstract: A synchronous reluctance type rotary electric machine of an embodiment includes a shaft and a rotor core. The shaft rotates around a rotation axis. The rotor core is fixed to the shaft and includes multi-layered hollow parts having a convex shape toward a radially inward side formed for each pole in cross section. Then, when a center in a circumferential direction of one pole is a pole center, a hollow part closest to the shaft among the plurality of hollow parts is a first hollow part, a hollow part positioned next to the first hollow part is a second hollow part, and a hollow part positioned on a side opposite to the first hollow part with respect to the second hollow part is a third hollow part, a width W1 between the first hollow part and the second hollow part on the pole center and a width W2 between the second hollow part and the third hollow part on the pole center are set to satisfy W1?W2.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: September 15, 2020
    Assignees: Toshiba Industrial Products and Systems Corporation, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Masaaki Matsumoto, Takashi Araki, Makoto Matsushita, Katsutoku Takeuchi, Toshio Hasebe
  • Patent number: 10720818
    Abstract: A synchronous reluctance type rotary electric machine of an embodiment includes a shaft, a rotor core, rotor core pressers, a plurality of conductor bars, and short-circuit rings. The shaft rotates around a rotation axis. The rotor core is fixed to the shaft and includes multi-layered hollow parts having a convex shape toward a radially inward side formed for each pole in cross section. The rotor core pressers hold the rotor core by pressing the rotor core from both sides in a rotation axis direction. The plurality of conductor bars are disposed in the hollow parts to extend along the rotation axis and have both ends protruding through the rotor core pressers. The short-circuit rings are provided at both ends of each of the plurality of conductor bars and connect the plurality of conductor bars together. Thus, the conductor bars are fixed to the rotor core pressers.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: July 21, 2020
    Assignees: Toshiba Industrial Products and Systems Corporation, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Masaaki Matsumoto, Takashi Araki, Makoto Matsushita, Katsutoku Takeuchi, Toshio Hasebe