Patents by Inventor Kazuhiko Nakamura

Kazuhiko Nakamura 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).

  • Patent number: 11587849
    Abstract: A device includes a substrate having a first-face and a second-face. An electrode is provided in a through hole that penetrates through the substrate between the first-face and the second-face. A first-insulator is provided in the substrate and protrudes in a radial direction from an opening end of the through hole on a side close to the second-face to a center of the through hole as viewed from above the first-face. A second-insulator protrudes in the radial direction from the first-insulator as viewed from above the first-face, is thinner than the first-insulator, and is in contact with the electrode. A third-insulator is provided between an inner wall of the through hole and the electrode, and includes a first-portion that is in contact with the first-insulator and a second-portion that is in contact with the inner wall of the through hole and is closer to the second-face than the first-portion.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: February 21, 2023
    Assignee: Kioxia Corporation
    Inventors: Ippei Kume, Kazuhiko Nakamura, Shinya Okuda
  • Patent number: 11586120
    Abstract: A toner for developing an electrostatic charge image contains toner particles containing at least one binder resin, a release agent, and a coloring agent, and a cross-sectional image of the toner particles meets requirements (1) and (2): requirement (1), an average of ten or more domains, per toner particle, of the release agent have an area of 0.5% or more and 5.0% or less of the area of the toner particle; requirement (2), in a Voronoi tessellation generated from the centroids of the domains of the coloring agent, the mean area of the Voronoi cells is 0.020 ?m2 or more and 0.060 ?m2 or less, and the standard deviation of the areas of the Voronoi cells is 0.010 ?m2 or less.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: February 21, 2023
    Assignee: FUJIFILM BUSINESS INNOVATION CORP.
    Inventors: Daisuke Noguchi, Atsushi Sugawara, Kazuhiko Nakamura, Hiroshi Nakazawa
  • Publication number: 20220390863
    Abstract: A toner manufacturing method includes a first step of filtering toner particles obtained by a wet manufacturing method, a second step of squeezing the toner particles and making water pass through the toner particles, and a third step of squeezing the toner particles and ventilating compressed air through the toner particles, in which Condition (1) and Condition (2) are satisfied, Condition (1): a temperature T of the water passing through the toner particles in the second step satisfies “10° C.?T?35° C.”; and Condition (2): a squeezing pressure P1 in the second step and a squeezing pressure P2 in the third step satisfy “0.2 MPa?P1<P2?0.8 MPa”.
    Type: Application
    Filed: October 18, 2021
    Publication date: December 8, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Yuta SAEKI, Takahiro YAMASHITA, Kazuhiko NAKAMURA, Yuji ISSHIKI
  • Patent number: 11520120
    Abstract: An optical system for converting light from an object into parallel light, and guiding the parallel light to a plurality of image forming units each configured to form an image of the object includes a first lens unit having positive or negative refractive power and a second lens unit having positive refractive power that are disposed in order from an object side, wherein the first lens unit and the second lens unit are disposed at a widest interval in the optical system, and wherein the first lens unit consists of at least one positive lens and at least one negative lens that are disposed in order from the object side.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: December 6, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kazuhiko Kajiyama, Tsubasa Nakamura
  • Publication number: 20220373902
    Abstract: A method for producing an electrostatic image developing toner includes mixing toner particles containing an amorphous resin with additive particles. A mixing device used in the mixing includes a stirring vessel, a stirring blade, and a jacket configured to cool the stirring vessel, and condition (1) and condition (2) are satisfied. Condition (1): an internal temperature Ti of the mixing device in the mixing and a glass transition temperature Tg of the amorphous resin contained in a near-surface portion of the toner particles satisfy Tg?50° C.?Ti<Tg (inequality 1). Condition (2): 0.08? (Pm?P0)/w?0.50 (inequality 2) is satisfied. In inequality 2, Pm represents an average power (kW) of a motor for driving the stirring blade of the mixing device in the mixing, P0 represents an idling power (kW) of the motor, and w represents a total mass (kg) of the toner particles and the additive particles in the mixing device.
    Type: Application
    Filed: August 27, 2021
    Publication date: November 24, 2022
    Applicant: FUJIFILM BUSINESS INNOVATION CORP.
    Inventors: Yosuke AKABANE, Takahiro YAMASHITA, Kazuhiko NAKAMURA, Yuji ISSHIKI
  • Publication number: 20220373909
    Abstract: An electrostatic image developing toner includes toner particles containing a binder resin. In a differential scanning calorimetry curve of the toner particles, Tg1 is 58° C. or more and 68° C. or less, and Tg1?Tg2 is 20° C. or more and 40° C. or less, where Tg1 is a lowest onset temperature in an endothermic change during a first temperature increase, and Tg2 is a lowest onset temperature in an endothermic change during a second temperature increase.
    Type: Application
    Filed: August 20, 2021
    Publication date: November 24, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Daisuke TOMITA, Keita YAMAMOTO, Daisuke NOGUCHI, Kazuhiko NAKAMURA, Hiroshi NAKAZAWA
  • Publication number: 20220373907
    Abstract: A toner for developing an electrostatic charge image contains toner particles containing at least one binder resin, a release agent, and a coloring agent, and a cross-sectional image of the toner particles meets requirements (1) and (2): requirement (1), an average of ten or more domains, per toner particle, of the release agent have an area of 0.5% or more and 5.0% or less of the area of the toner particle; requirement (2), in a Voronoi tessellation generated from the centroids of the domains of the coloring agent, the mean area of the Voronoi cells is 0.020 ?m2 or more and 0.060 ?m2 or less, and the standard deviation of the areas of the Voronoi cells is 0.010 ?m2 or less.
    Type: Application
    Filed: August 18, 2021
    Publication date: November 24, 2022
    Applicant: FUJIFILM BUSINESS INNOVATION CORP.
    Inventors: Daisuke NOGUCHI, Atsushi SUGAWARA, Kazuhiko NAKAMURA, Hiroshi NAKAZAWA
  • Publication number: 20220373905
    Abstract: An electrostatic charge image developing toner includes a toner particle, and the toner particle includes: a core particle containing a large-diameter particle having a number average particle diameter of 1 ?m or more; and a shell layer that includes at least two resin layers each containing an amorphous resin and covers a surface of the core particles, and an outermost layer of the at least two resin layers is a resin layer being made of the amorphous resin.
    Type: Application
    Filed: August 17, 2021
    Publication date: November 24, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Yukiaki NAKAMURA, Daisuke NOGUCHI, Masaru TAKAHASHI, Kazuhiko NAKAMURA
  • Patent number: 11499351
    Abstract: A striker mounting structure is designed to mount a striker on a vehicle body and prevent a door from entering a passenger compartment. A reinforcement provided on the vehicle body is covered by an outer panel. A striker mounting surface is arranged to be spaced away from the reinforcement in a front/backward direction of the vehicle body. The reinforcement is provided with an insertion hole opening toward a direction away from the passenger compartment. The striker and a reinforcement member are fixed to opposite sides of the striker mounting surface. A connecting rod is fixed to the reinforcement member and is formed with a locking portion extending into the insertion hole in a direction toward the passenger compartment and formed with an abutment portion. A distance between an end of the abutment portion and the passenger compartment is smaller than a distance between the striker and the passenger compartment.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: November 15, 2022
    Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shu Nakamura, Hironori Tajima, Kazuhiko Sato, Mikio Nakashima, Hiroki Kawamura, Tsuyoshi Kato, Satoshi Maekawa, Hirokazu Shirouzu, Kanichi Saito
  • Patent number: 11493467
    Abstract: Provided is a sensor that can appropriately sense the amount of abrasion powder (conductive substance) in a mechanical device of any size, and thereby to provide a sensor that can be generally used for preventive maintenance of any mechanical parts. The sensor includes a first electrode and a second electrode. A voltage is applied between the first electrode and the second electrode to accumulate conductive substance between the first and second electrodes in order to sense a decrease in electric resistance between the first and second electrodes. The distance between the first electrode and the second electrode is adjustable.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: November 8, 2022
    Assignee: NABTESCO CORPORATION
    Inventors: Koji Nakamura, Kazuhiko Sakurai, Masaki Harada, Toshihide Fujii
  • Publication number: 20220351559
    Abstract: A gate apparatus includes a pair of gate units which are distanced from each other with an interval of width of a passage area allowing a moving body to bidirectionally pass therethrough along a vertical plane on a horizontal plane. The gate units are each equipped with a first flapper gate in a first direction and a second flapper gate in a second direction. One gate unit is equipped with a first imaging means to capture a first image of the moving body in the first direction while another gate unit is equipped with a second imaging means to capture a second image of the moving body in the second direction. The first flapper gate and the second flapper gate are controlled to open or close the passage area based on at least one of the first image and the second image.
    Type: Application
    Filed: June 29, 2020
    Publication date: November 3, 2022
    Applicant: NEC Corporation
    Inventors: Kazuhiko YAMAOKA, Keito TACHIZAKI, Kenichi OOSAWA, Junya NAKAMURA
  • Publication number: 20220351548
    Abstract: A gate apparatus includes a gate unit which is disposed on a second plane crossing a first plane in which an authentication object moves in one direction and which partitions a moving space of the authentication object from another space, an inclined face which is formed on the gate unit to cross the first plane and the second plane and which is inclined upwardly from the first plane, a display configured to display an image on the inclined face, and an image acquisition unit configured to capture an image of the authentication object in proximity to the display.
    Type: Application
    Filed: June 29, 2020
    Publication date: November 3, 2022
    Applicant: NEC Corporation
    Inventors: Kazuhiko YAMAOKA, Keito TACHIZAKI, Kenichi OOSAWA, Junya NAKAMURA
  • Publication number: 20220313803
    Abstract: Problem to be solved: An object of the present invention is to obtain medicinal effect that could not be obtained by conventional peptide vaccines that activate and proliferate a CD8-positive CTL by administering a Class II epitope as a peptide vaccine. Solution: The inventors of the present invention have found, as a result of diligent examination on the aforementioned problems, that these problems can be solved by acquiring a peptide having a partial amino acid sequence containing a mutated amino acid of a neoantigen expressed in cancer cells and being an epitope presented by a Class II molecule.
    Type: Application
    Filed: January 6, 2020
    Publication date: October 6, 2022
    Inventors: Tetsuro SASADA, Junya OHTAKE, Susumu IIZUMI, Norihiro NAKAMURA, Fumiko ISODA, Kazuhiko ODAKA
  • Publication number: 20220306817
    Abstract: A method for producing a resin particle dispersion includes using a resin particle dispersion production apparatus including: two or more resin particle dispersion production lines each including an emulsification tank in which a resin is subjected to phase inversion emulsification using two or more organic solvents and an aqueous medium to thereby obtain a phase-inverted emulsion, a distillation tank in which the organic solvents are removed from the phase-inverted emulsion by reduced pressure distillation to thereby obtain a resin particle dispersion, and plural distillate collection tanks that collect distillates formed during the reduced pressure distillation according to respective target distillate compositions; and a reusable distillate storage tank A that collects and stores a distillate collected in at least one distillate collection tank A among the distillates collected in the plural distillate collection tanks in each of the two or more resin particle dispersion production lines.
    Type: Application
    Filed: September 2, 2021
    Publication date: September 29, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Kenji HIGASHI, Keita YAMAMOTO, Takashi INUKAI, Kazuhiko NAKAMURA, Yuji ISSHIKI
  • Publication number: 20220308479
    Abstract: A preparing method of an electrostatic charge image developing toner includes: mixing an amorphous resin particle dispersion containing amorphous resin particles and a crystalline resin particle dispersion containing crystalline resin particles to prepare a mixed dispersion containing the amorphous resin particles and the crystalline resin particles; aggregating the amorphous resin particles and the crystalline resin particles in the mixed dispersion to form aggregated particles; and coalescing the aggregated particles by heating a dispersion containing the aggregated particles to form toner particles, in which both a zeta potential of the amorphous resin particle dispersion and a zeta potential of the crystalline resin particle dispersion are negative values, and an absolute value of the zeta potential of the crystalline resin particle dispersion is smaller than an absolute value of the zeta potential of the amorphous resin particle dispersion.
    Type: Application
    Filed: July 14, 2021
    Publication date: September 29, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Atsushi SUGAWARA, Daisuke NOGUCHI, Kazuhiko NAKAMURA, Hiroshi NAKAZAWA
  • Publication number: 20220299904
    Abstract: A method for producing a toner for developing an electrostatic charge image includes: performing first aggregation by aggregating at least resin particles and releasing agent particles contained in a dispersion so as to prepare a dispersion A containing first aggregated particles; performing second aggregation by adding a dispersion B containing shell resin particles to the dispersion A and aggregating the shell resin particles to form second aggregated particles; and heating and fusing the second aggregated particles so as to form fused particles. Here, pH(A) and pH(B) satisfy pH(A)<pH(B), where pH(A) and pH(B) respectively represent a pH of the dispersion A and a pH of the dispersion B in the second aggregation.
    Type: Application
    Filed: August 13, 2021
    Publication date: September 22, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Kazutsuna SASAKI, Daisuke NOGUCHI, Kazuhiko NAKAMURA, Hiroshi NAKAZAWA
  • Publication number: 20220301461
    Abstract: A plurality of display panels having a curved surface are placed in a limited space. Two, or three or more display panels are combined to form one display region having a T-shaped outer edge as one screen, and a driver can curve part of the display panel as appropriate so that the driver can see the screen easily. A first display panel or a second display panel has flexibility and includes a position adjustment function of curving an end portion. That is, by curving part of the display panel, the user can see the display panel easily. The in-car design can also be varied.
    Type: Application
    Filed: June 2, 2022
    Publication date: September 22, 2022
    Inventors: Yosuke TSUKAMOTO, Daiki NAKAMURA, Daisuke FURUMATSU, Kazuhiko FUJITA, Kyoichi MUKAO, Junya MARUYAMA
  • Publication number: 20220299894
    Abstract: A method for producing a toner for electrostatic charge image development includes: aggregating binder resin particles in a dispersion containing the binder resin particles to form aggregated particles; terminating growth of the aggregated particles by adding an alkaline aqueous solution to a dispersion containing the aggregated particles to increase a pH of the dispersion containing the aggregated particles; and fusing and coalescing the aggregated particles into toner particles by heating the dispersion containing the aggregated particles. Terminating the growth of the aggregated particles includes, while stirring the dispersion containing the aggregated particles, stepwise or continuously reducing a stirring power per unit volume.
    Type: Application
    Filed: August 10, 2021
    Publication date: September 22, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Yoshimasa FUJIHARA, Daisuke Noguchi, Kazuhiko Nakamura, Hiroshi Nakazawa, Yuji Isshiki
  • Publication number: 20220299898
    Abstract: A method for producing a toner for developing an electrostatic charge image includes: performing first aggregation that involves aggregating at least resin particles and releasing agent particles contained in a dispersion to prepare a dispersion A containing first aggregated particles; performing second aggregation that involves adding a dispersion B containing shell resin particles to the dispersion A and aggregating the shell resin particles to form second aggregated particles; and heating and fusing the second aggregated particles to form fused particles. A total of 40 mmol or more and 190 mmol or less of a basic compound is added, per kilogram of toner particles to be obtained, from a time aggregation starts to terminate in the second aggregation to a time a temperature is elevated to a fusion temperature in the heating and fusing.
    Type: Application
    Filed: August 20, 2021
    Publication date: September 22, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Kazutsuna SASAKI, Daisuke NOGUCHI, Kazuhiko NAKAMURA, Hiroshi NAKAZAWA, Yuji ISSHIKI
  • Publication number: 20220299897
    Abstract: A preparing method of an electrostatic charge image developing toner includes: aggregating binder resin particles in a dispersion containing the binder resin particles to form aggregated particles; and coalescing the aggregated particles by heating a dispersion containing the aggregated particles to form toner particles, The aggregating includes stirring the dispersion in the aggregating at a required stirring power of 1.0 kW/m3 or more and 6.0 kW/m3 or less per unit volume, and the preparing method satisfies the following Requirement (1), in which Requirement (1): a viscosity of the dispersion during the stirring is 5 Pa·s or more and 50 Pa·s or less at a shear rate of 1/s, where the viscosity of the dispersion is measured at a sample temperature of 25° C. using a part of the dispersion as a sample.
    Type: Application
    Filed: August 19, 2021
    Publication date: September 22, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takahisa TATEKAWA, Daisuke TOMITA, Daisuke NOGUCHI, Kazuhiko NAKAMURA, Yuji ISSHIKI