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: 11940458
    Abstract: A measurement tool includes: a measurement tool body including a sample collection unit for collecting a liquid sample by a capillary phenomenon, and a liquid feed channel; and a lid body attachable to and detachable from the measurement tool body. The liquid feed channel includes an upstream side channel and a downstream side channel. A space is defined, into which an upstream side end of the sample collection unit and a downstream side end of the upstream side channel open, when the lid body is attached to the measurement tool body. The downstream side channel is connected to a downstream side end of the sample collection unit. The space is open when the lid body is separated from the measurement tool body, and the space is closed and the upstream side channel and the sample collection unit are connected when the lid body is attached to the measurement tool body.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: March 26, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Tsutomu Nakamura, Kazuhiko Imamura, Nobuhiko Inui, Ryousuke Takahashi
  • Publication number: 20240096243
    Abstract: A novel display panel that is highly convenient, useful, or reliable is provided. The display panel includes a display region, a first support, and a second support, the display region includes a first region, a second region, and a third region, the first region and the second region each have a belt-like shape extending in one direction, and the third region is sandwiched between the first region and the second region. The first support overlaps with the first region and is less likely to be warped than the third region, and the second support overlaps with the second region and is less likely to be warped than the third region. The second support can pivot on an axis extending in the one direction with respect to the first support.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 21, 2024
    Inventors: Shingo EGUCHI, Taiki NONAKA, Daiki NAKAMURA, Nozomu SUGISAWA, Kazuhiko FUJITA, Shunpei YAMAZAKI
  • Publication number: 20240087853
    Abstract: A plasma processing apparatus includes: a processing chamber that is capable of processing a substrate; a stage that is provided in the processing chamber and on which the substrate is placeable; a plasma generator that is provided at an upper portion of the processing chamber and supplies plasma to the processing chamber; a first shielding plate that is provided at an upper side of the processing chamber, faces the substrate placed on the stage, has an opening in at least a part of a position overlapping an outer peripheral portion of the substrate in an up-down direction, and shields the substrate from the plasma at the upper portion of the processing chamber; and an adjustment mechanism that is capable of rotating at least one of the substrate and the first shielding plate and relatively moves a position of the opening of the first shielding plate with respect to a peripheral direction of the substrate.
    Type: Application
    Filed: August 28, 2023
    Publication date: March 14, 2024
    Applicant: Kioxia Corporation
    Inventor: Kazuhiko NAKAMURA
  • Patent number: 11926492
    Abstract: A linear transport apparatus includes a transport cart, a first roller that rotates about a first rotation shaft extending from the transport cart along a first direction, a second roller that rotates about a second rotation shaft extending from the transport cart and forming an acute angle with the first rotation shaft, and a rail sandwiched between the first and second rollers to extend along a track on which the transport cart moves. The rail includes a first contact portion coming contact with the first roller and restricting movement of the transport cart in a second direction perpendicular to a direction in which the rail extends and the first direction, and a second contact portion that comes into contact with the second roller and is parallel to the second rotation shaft, and the rail includes a portion in which curvature of the track moves is different from another portion.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: March 12, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takuma Nakamura, Shin Sakai, Masaoki Iwase, Kazuhiko Fukushima
  • Patent number: 11928988
    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: Grant
    Filed: June 2, 2022
    Date of Patent: March 12, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yosuke Tsukamoto, Daiki Nakamura, Daisuke Furumatsu, Kazuhiko Fujita, Kyoichi Mukao, Junya Maruyama
  • Patent number: 11925740
    Abstract: A blood processing filter includes a container having 2 ports respectively functioning as an inlet for a liquid to be processed and as an outlet for the processed liquid, and a filtration medium filled in the container, wherein an airflow resistance of the filtration medium is 55.0 kPa·s/m or more and less than 85.0 kPa·s/m, the filtration medium includes a filter material A having an airflow resistance per unit basis weight of 0.01 kPa·s·m/g or more and less than 0.04 kPa·s·m/g and a filter material B having an airflow resistance per unit basis weight of 0.04 kPa·s·m/g or more, at least a part of the filter material A is disposed on a side closer to the inlet for a liquid to be processed than the filter material B, and a sum of airflow resistances of the filter material A is 6.0 kPa·s/m or more.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: March 12, 2024
    Assignee: ASAHI KASEI MEDICAL CO., LTD.
    Inventors: Kazuhiko Nakamura, Tomohisa Yokomizo, Takako Kai
  • Patent number: 11892800
    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: Grant
    Filed: August 10, 2021
    Date of Patent: February 6, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Yoshimasa Fujihara, Daisuke Noguchi, Kazuhiko Nakamura, Hiroshi Nakazawa, Yuji Isshiki
  • Patent number: 11760845
    Abstract: Producing a resin particle dispersion using an 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 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 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 storage tank that collects and stores a distillate collected in at least one collection tank among the distillates collected in the plural collection tanks in each of the two or more production lines, and delivering the distillate to the emulsification tank in at least one production line to reuse the distillate for producing a phase-inverted emulsion.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: September 19, 2023
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Kenji Higashi, Keita Yamamoto, Takashi Inukai, Kazuhiko Nakamura, Yuji Isshiki
  • Patent number: 11675285
    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: Grant
    Filed: August 20, 2021
    Date of Patent: June 13, 2023
    Assignee: FUJIFILM BUSINESS INNOVATION CORP.
    Inventors: Daisuke Tomita, Keita Yamamoto, Daisuke Noguchi, Kazuhiko Nakamura, Hiroshi Nakazawa
  • Patent number: 11661393
    Abstract: Provided is a method of producing various 2-((meth)allyloxymethyl)acrylic acid derivatives in high yields with no need to load a raw material in a large excess for improving a reaction conversion ratio, and without use of a catalyst having high toxicity or a strong acid catalyst. Also provided are powder compounds that may be utilized as raw materials for synthesizing various chemical products. A method of producing a 2-((meth)allyloxymethyl)acrylic acid derivative includes causing the powder of a salt of a 2-((meth)allyloxymethyl)acrylic acid anion and an alkali metal cation (component A), and a halide (component B) to react with each other to produce a 2-((meth)allyloxymethyl)acrylic acid derivative. The 2-((meth)allyloxymethyl)acrylic acid alkali metal salt powder is the powder of a salt of a 2-((meth)allyloxymethyl)acrylic acid anion and an alkali metal cation, and has a bulk density of 0.50 g/mL or more, or a water content of 0.05 wt % or less.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: May 30, 2023
    Assignee: NIPPON SHOKUBAI CO., LTD.
    Inventors: Minoru Urata, Kazuhiko Nakamura, Jun Moteki
  • Publication number: 20230099894
    Abstract: The present invention has an object to provide a blood processing filter that is excellent in the filtration rate. The object can be solved by a blood processing filter comprising a container having an inlet and an outlet for blood, and a filter medium disposed between the inlet and the outlet of the container, wherein the filter medium comprises a filter element, an average thickness of the filter medium is 7 to 12 mm, and a standard deviation in thickness of the filter medium is 0.30 to 0.80 mm.
    Type: Application
    Filed: March 2, 2021
    Publication date: March 30, 2023
    Applicant: ASAHI KASEI MEDICAL CO., LTD.
    Inventors: Akiko YOSHIDA, Kazuhiko NAKAMURA, Tomohisa YOKOMIZO
  • 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
  • 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
  • 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
  • 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: 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
  • 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: 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: 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