Patents by Inventor Yuki Masuda

Yuki Masuda 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: 20250116946
    Abstract: A toner having a toner particle including a binder resin and a release agent is provided, wherein the binder resin includes a crystalline resin and an amorphous resin, where in differential scanning calorimetry of the toner, a temperature is raised to obtain a differential scanning calorimetry curve A and then the temperature is lowered to obtain a differential scanning calorimetry curve B, the differential scanning calorimetry curve A has endothermic peaks derived from the crystalline resin and the release agent, the differential scanning calorimetry curve B has exothermic peaks derived from the crystalline resin and the release agent, and these endothermic peaks and exothermic peaks satisfy specific relationships, and a storage elastic modulus G?(TmB) of the toner at the endothermic peak temperature of the crystalline resin is 1.0×105 Pa to 1.0×108 Pa.
    Type: Application
    Filed: October 1, 2024
    Publication date: April 10, 2025
    Inventors: KENTARO YAMAWAKI, KENJI AOKI, TATSUYA SAEKI, YUKI MASUDA
  • Publication number: 20250116945
    Abstract: A toner including a toner particle, wherein a weight-average particle size of the toner is a specific range, a domain-matrix structure in which a domain is dispersed in a matrix is observed on a cross-section of the toner, the matrix includes a crystalline resin A, the domain includes an amorphous resin B, where the domain with a major axis of 300 nm or more is defined as domain C, and the domain with a major axis of 200 nm or less is defined as domain D, a number-average major axis of the domain D is 30 to 150 nm, and a proportion of the cross-section which satisfies (i) and (ii) is 90% or more; (i) 5 to 20 of domains C are present per cross-section and an area ratio of the domain C is 10 to 30%, (ii) the domain D is observed over an entire region in the cross-section.
    Type: Application
    Filed: October 1, 2024
    Publication date: April 10, 2025
    Inventors: KENJI AOKI, TATSUYA SAEKI, YUKI MASUDA, MEGUMI YAMAUCHI, NAOYA ISONO
  • Publication number: 20250096224
    Abstract: An electrode production method that can suppress the thickness nonuniformity in an electrode is provided. The electrode production method includes: forming a first active material layer on a first face of a current collector; pressing the first active material layer for the first time; and pressing the first active material layer for the second time after said first pressing, wherein the proportion of a pressing linear pressure P2 in said second pressing to a pressing linear pressure P1 in said first pressing is 100% to 200%.
    Type: Application
    Filed: September 3, 2024
    Publication date: March 20, 2025
    Inventors: Tomofumi HIRUKAWA, Toru KOMATSUZAKI, Yuki MASUDA, Takeshi KONDO, Tomokuni ABE
  • Patent number: 12210285
    Abstract: Provided is a resin composition which makes it possible to improve the resistance to a flux to be used in soldering and the resistance to reflow, and which, when used as a photosensitive resin composition, can be cured into a film capable of being imparted with such thick film processability that the film can be processed with high sensitivity even when the thickness of the film is as high as 15 ?m or more. A resin composition comprising (A) a resin having a structural unit represented by general formula (1) and/or general formula (2), (B) a phenolic resin and (C) an antioxidant agent, wherein the phenolic resin (B) contains a structure represented by general formula (3).
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: January 28, 2025
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Keika Hashimoto, Yuki Masuda, Yuki Takeyama
  • Publication number: 20240241460
    Abstract: Provided is such a toner that a pigment is dispersed in a toner particle containing a large amount of a crystalline resin, that is, a toner excellent in low-temperature fixability and coloring power, wherein the toner is a toner including a toner particle containing a binder resin, a pigment and a pigment dispersant, wherein the binder resin contains 20.0% by mass or more and 100.0% by mass or less of a crystalline resin, wherein the pigment dispersant is a polymer containing a specific structure that interacts with the pigment and a specific monomer unit that interacts with the crystalline resin.
    Type: Application
    Filed: December 21, 2023
    Publication date: July 18, 2024
    Inventors: NAOYA ISONO, MARIKO YAMASHITA, KENJI AOKI, TATSUYA SAEKI, YUKI MASUDA, MEGUMI MORIYA
  • Publication number: 20240231251
    Abstract: Provided is such a toner that a pigment is dispersed in a toner particle containing a large amount of a crystalline resin, that is, a toner excellent in low-temperature fixability and coloring power. The toner is a toner including a toner particle containing a binder resin, a pigment and a pigment dispersant, wherein the binder resin contains from 20.0% to 100.0% by mass of a crystalline resin, wherein the pigment dispersant is a polymer containing a specific structure that interacts with the pigment and a specific polymer moiety that interacts with the crystalline resin.
    Type: Application
    Filed: December 21, 2023
    Publication date: July 11, 2024
    Inventors: NAOYA ISONO, MARIKO YAMASHITA, KENJI AOKI, TATSUYA SAEKI, YUKI MASUDA, MEGUMI MORIYA
  • Publication number: 20240192617
    Abstract: A toner comprises a toner particle, wherein the toner contains a crystalline vinyl resin and an amorphous resin, a weight-average particle diameter of the toner is from 4.0 to 12.0 m, an endothermic quantity ?H derived from the crystalline vinyl resin is from 10 to 70 J/g, and in an analysis by time-of-flight secondary ion mass spectrometry of the toner particle while under sputtering, with A(100) as the ion amount of a specific hydrocarbon over a sputtering time during which 100 nm of a polymethyl methacrylate standard sample film are shaved, the ion amount exhibits one or more peak values, and with A(dmax) as a maximum value from among the peak values, the above A(dmax) and A(100) satisfy the expression below. 1.5?A(dmax)/A(100)?30.
    Type: Application
    Filed: November 6, 2023
    Publication date: June 13, 2024
    Inventors: TATSUYA SAEKI, KENJI AOKI, NAOYA ISONO, MARIKO YAMASHITA, YUKI MASUDA, MEGUMI MORIYA
  • Publication number: 20240192618
    Abstract: The toner of the present disclosure comprises a toner particle containing a crystalline resin A, an amorphous resin B, and a release agent, wherein the resin A contains a specific amount of a unit (a) and is contained in a specific amount in the toner, the resin B is contained in a specific amount in the toner, the total content of the resin A and the resin B is 50.0 mass % or more based on the mass of the toner, when a component W having a molecular weight of 5000 or less is isolated from the toner by a certain procedure, the content of the component W is from 0.5 mass % to 20.0 mass % based on the mass of the toner, and the maximum endothermic peak temperature of the component W and the endothermic peak temperature derived from the component W of the toner satisfy a certain requirement.
    Type: Application
    Filed: November 21, 2023
    Publication date: June 13, 2024
    Inventors: YUKI MASUDA, KENJI AOKI, NAOYA ISONO, MARIKO YAMASHITA, TATSUYA SAEKI, MEGUMI MORIYA
  • Publication number: 20240074495
    Abstract: A power supply unit for an aerosol generating device, includes a power supply, a heater connector connected to a heater configured to heat an aerosol source by consuming power supplied from the power supply, a case which constitutes a surface of the power supply unit, and a sensor which is disposed in the vicinity of the case and is configured to output a value related to a temperature of the case. Protection control for prohibiting one or both of charging of the power supply and discharging from the power supply to the heater is executed based on an output value of the sensor.
    Type: Application
    Filed: November 5, 2023
    Publication date: March 7, 2024
    Applicant: Japan Tobacco Inc.
    Inventors: Manabu YAMADA, Tatsunari AOYAMA, Hiroshi KAWANAGO, Hiroki NAKAAE, Toru NAGAHAMA, Yuki NISHIMURA, Takashi FUJIKI, Yuki MASUDA, Ryo YOSHIDA
  • Publication number: 20240065319
    Abstract: A placement portion for an article to be accommodated is disposed in a housing, and the article to be accommodated is accommodated thereon even in a case where a dividing surface of the housing is caused to have a deviation from a plane at which the largest opening can be secured.
    Type: Application
    Filed: October 24, 2023
    Publication date: February 29, 2024
    Applicant: Japan Tobacco Inc.
    Inventors: Yuki MASUDA, Manabu Yamada
  • Publication number: 20240057679
    Abstract: A power supply unit for an aerosol generating device, includes a power supply, a heater connector connected to a heater configured to heat an aerosol source by consuming power supplied from the power supply, thermistors, thermistor connectors connected to the thermistors, a first circuit board, and a second circuit board separate from the first circuit board. The heater connector is disposed on the second circuit board of the first circuit board and the second circuit board. The number of the thermistor connectors disposed on the first circuit board is larger than the number of the thermistor connectors disposed on the second circuit board.
    Type: Application
    Filed: November 5, 2023
    Publication date: February 22, 2024
    Applicant: Japan Tobacco Inc.
    Inventors: Tatsunari AOYAMA, Yasunobu INOUE, Hiroshi KAWANAGO, Toru NAGAHAMA, Takashi FUJIKI, Yuki MASUDA, Ryo YOSHIDA
  • Publication number: 20240057687
    Abstract: A power source unit for an aerosol generation device, comprises a communication module configured to communicate with an external device, a power source configured to supply power for driving a heater configured to heat an aerosol source, a controller configured to control the supply of the power from the power source to the heater, and a first circuit board on which the communication module, integrated circuits, and electronic components different from the integrated circuit are mounted. A distance between the communication module and the integrated circuits is longer than a distance between the communication module and the electronic components.
    Type: Application
    Filed: November 5, 2023
    Publication date: February 22, 2024
    Applicant: Japan Tobacco Inc.
    Inventors: Yuki MASUDA, Tatsunari AOYAMA
  • Publication number: 20240041107
    Abstract: Provided is a flavor inhaler capable of storing an object to be stored within a storage part even after the flavor inhaler is subjected to impact. The flavor inhaler is provided with: a first member and a second member that are connected to each other at peripheral portions thereof to form a storage part for storing an object to be stored, and have a substantially rectangular shape in a plan view with respect to the peripheral portions; and first connection parts for connecting the first member and the second member. The first connection parts are disposed at multiple positions spaced apart from one another in the peripheral portions of the first member and the second member.
    Type: Application
    Filed: October 17, 2023
    Publication date: February 8, 2024
    Applicant: Japan Tobacco Inc.
    Inventors: Yuki MASUDA, Kazuaki FUKUZAWA, Manabu YAMADA
  • Publication number: 20240038819
    Abstract: Problems have been presented in terms of the step flatness of cured films used, inter alia, as wiring-insulating insulation films or protective films formed so as to cover metal wirings or light-emitting elements such as LEDs. The present invention overcomes problems relating to the incidence of wiring defects such as short-circuiting and defects associated with light-emitting element connection, and problems relating to the light-emission fault rate when this display device has been produced. The present invention is a display device having at least a metal wiring, a cured film, and a plurality of light-emitting elements, wherein a pair of electrode terminals are provided on one surface of each of the light-emitting elements. The pair of electrode terminals are connected to a plurality of the metal wirings extending in the cured film. The metal wirings are configured so that electrical insulation properties are maintained by the cured film.
    Type: Application
    Filed: October 5, 2021
    Publication date: February 1, 2024
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Keika HASHIMOTO, Yuki MASUDA, Takuma NISHIMURA
  • Publication number: 20230369271
    Abstract: The present invention addresses the problem of degradation of design of an LED display device due to insufficient concealment of wiring by an insulating film for peripheral wiring insulation, a protection film, an isolating wall and the like. This display device comprises at least metal wires, a cured film, and a plurality of light emitting elements, the light emitting elements having a pair of electrode terminals on one surface thereof, the pair of electrode terminals connecting to a plurality of the metal wires extending in the cured film, the plurality of the metal wires being configured to retain an electrical insulating property due to the cured film, wherein the cured film is a film obtained by curing a resin composition comprising an (A) resin, wherein the transmittance of light of a wavelength 450 nm at a thickness reference 5 ?m of the cured film is 0.1% to 79% inclusive.
    Type: Application
    Filed: October 5, 2021
    Publication date: November 16, 2023
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Keika HASHIMOTO, Yuki MASUDA, Yu SHOJI
  • Patent number: 11802181
    Abstract: The present invention relates to a novel di-amine compound, a heat-resistant resin using the di-amine compound, and a resin composition using the heat-resistant resin, and a cured film excellent in chemical resistance and film properties even by a thermal treatment at a low temperature of 200° C. or less can be obtained. The novel di-amine compound is represented by the general formula (1). The heat-resistant resin composition of the present invention or the resin composition can be suitably used in a surface protective film and an interlayer dielectric film of a semiconductor device, a dielectric layer or a planarizing layer of an organic electroluminescent element (organic EL), or the like.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: October 31, 2023
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Yuki Masuda, Ryoji Okuda
  • Publication number: 20230341789
    Abstract: A toner having both of excellent low-temperature fixability and such high durable developability as to be free from causing any development stripe. The toner is a toner including a toner particle containing a crystalline resin as a binder resin. When a relative permittivity obtained at a time of impedance measurement of the toner under an environment at a temperature of 25° C. and a relative humidity of 50% is represented by ?r, a difference ??r between a relative permittivity ?r(0.01 Hz) at a frequency of 0.01 Hz and a relative permittivity ?r(383 kHz) at a frequency of 383 kHz satisfies a relationship of 0.21?{?r(0.01 Hz)??r(383 kHz)}?0.48.
    Type: Application
    Filed: April 13, 2023
    Publication date: October 26, 2023
    Inventors: Yuzo Seino, TSUNEYOSHI TOMINAGA, KOKI INOUE, YUKI MASUDA
  • Publication number: 20230335697
    Abstract: LED display devices emit light in all directions. Therefore, light is absorbed by peripheral insulating films for insulation of wiring, protective films, partition walls, and the like, and the light-extraction efficiency of a display becomes reduced, resulting in insufficient luminance. According to the present invention, such a problem is solved. This display device comprises at least: a metal wiring; a cured film; and a plurality of light-emitting elements. Each of the light-emitting elements is equipped with a pair of electrode terminals on one surface thereof. The pair of electrode terminals are connected to a plurality of strands of the metal wiring extending in the cured film. The plurality of strands of the metal wiring are configured to maintain electrical insulating properties due to the cured film. The cured film is obtained by curing a resin composition containing a resin (A).
    Type: Application
    Filed: October 5, 2021
    Publication date: October 19, 2023
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Keika HASHIMOTO, Yuki MASUDA
  • Patent number: 11597056
    Abstract: An assistance apparatus includes a status information acquiring section that acquires a grinding condition as a status information, the grinding condition including set states associated with a plurality of movement command data, an evaluation result acquiring section that acquires evaluation results of a plurality of evaluation objects that are obtained under the grinding condition, a reward calculating section that calculates a reward for the status information based on the evaluation results, a policy storing section that stores a policy which is obtained from a value function, an action determining section that determines the movement command data to be adjusted and an adjustment amount at which said movement command data is adjusted, from among candidates of the plurality of movement command data that are adjustable, based on the status information and the policy, and an action information outputting section that is configured to output determined contents including an action information.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: March 7, 2023
    Assignee: JTEKT CORPORATION
    Inventors: Yuki Masuda, Toru Kawahara, Shinji Murakami
  • Publication number: 20230004099
    Abstract: An external additive for a toner comprising a silica particle surface-treated with a polyhydric acid metal salt particle, wherein the polyhydric acid metal salt particle is particle of a salt of a polyhydric acid and a titanium compound, and a toner comprising a toner particle, and an external additive for a toner on the surface of the toner particle, wherein the external additive for a toner is the above external additive for a toner.
    Type: Application
    Filed: June 24, 2022
    Publication date: January 5, 2023
    Inventors: Yuzo Seino, Daisuke Yoshiba, Koki Inoue, Yuki Masuda