Patents by Inventor Kazuya Ota

Kazuya Ota 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: 11946989
    Abstract: A magnetic sensor device includes at least one magnetic sensor and a support. A center of gravity of an element layout area of the at least one magnetic sensor is deviated from a center of gravity of a reference plane of the support. The at least one magnetic sensor includes four resistor sections constituted by a plurality of magnetoresistive elements. Magnetization of a free layer in each of two of the resistor sections includes a component in a third magnetization direction. The magnetization of a free layer in each of the other two resistor sections includes a component in a fourth magnetization direction opposite to the third magnetization direction.
    Type: Grant
    Filed: May 16, 2023
    Date of Patent: April 2, 2024
    Assignee: TDK CORPORATION
    Inventors: Norikazu Ota, Hiraku Hirabayashi, Kazuma Yamawaki, Shuhei Miyazaki, Kazuya Watanabe
  • Patent number: 11945917
    Abstract: A composition includes a compound represented by Formula (1) and a pigment. In Formula (1), R1 represents an (m+n)-valent linking group, P1 represents a polymer chain which has a polyester repeating unit in a main chain, and of which a weight-average molecular weight is 1000 or more, P2 represents a polymer chain which is different from P1 and has a repeating unit derived from a monomer having an ethylenically unsaturated bonding group in a main chain, m represents a number of 1 to 9, n represents a number of 1 to 9, and m+n satisfies 4 to 18.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: April 2, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Yutaro Fukami, Yushi Kaneko, Junichi Ito, Kazuya Ota, Hiromu Koizumi
  • Patent number: 11746239
    Abstract: A coloring composition includes a metal azo pigment, a compound having an ethylenically unsaturated bonding group, and a solvent, the metal azo pigment includes at least one kind of an anion selected from an azo compound represented by Formula (I) or an azo compound having a tautomeric structure of the azo compound represented by Formula (I), two or more kinds of metal ions, and a melamine compound, and in Formula (I), R1 and R2 each independently represent OH or NR5R6, R3 and R4 each independently represent ?O or ?NR7, and R5 to R7 each independently represent a hydrogen atom or an alkyl group.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: September 5, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Shoichi Nakamura, Kazuya Ota, Haruki Inabe
  • Patent number: 11718695
    Abstract: Provided are a curable composition including a pigment, a resin having a structural unit represented by Formula 1, and a photopolymerization initiator; as well as a cured product obtained by curing the curable composition, a color filter including the cured product, a method for producing the color filter, and a solid-state imaging element or an image display device, each of which including the color filter. R1 to R3 each independently represent a hydrogen atom or an alkyl group, X1 represents —COO—, —CONR—, or an arylene group, R4 represents a divalent linking group, L1 represents a group represented by Formula 2 or 3, R5 represents an (n+1)-valent linking group, X2 represents an oxygen atom or —NRA—, RA represents a hydrogen atom, an alkyl group, or an aryl group, and n represents an integer of 1 or more.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: August 8, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Junichi Ito, Yutaro Fukami, Yushi Kaneko, Kazuya Ota, Hiromu Koizumi, Michihiro Ogawa, Hiroaki Idei
  • Patent number: 11680125
    Abstract: Provided are a curable composition including a pigment, a resin having a structural unit represented by Formula 1, and a photopolymerization initiator; as well as a cured product obtained by curing the curable composition, a color filter including the cured product, a method for producing the color filter, and a solid-state imaging element or an image display device, each of which including the color filter. R1 to R3 each independently represent a hydrogen atom or an alkyl group, X1 represents —COO—, —CONR—, or an arylene group, R4 represents a divalent linking group, L1 represents a group represented by Formula 2 or 3, R5 represents an (n+1)-valent linking group, X2 represents an oxygen atom or —NRA—, RA represents a hydrogen atom, an alkyl group, or an aryl group, and n represents an integer of 1 or more.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: June 20, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Junichi Ito, Yutaro Fukami, Yushi Kaneko, Kazuya Ota, Hiromu Koizumi, Michihiro Ogawa, Hiroaki Idei
  • Patent number: 11639407
    Abstract: Provided are a curable composition including a pigment, a resin having a structural unit represented by Formula 1, and a photopolymerization initiator; as well as a cured product obtained by curing the curable composition, a color filter including the cured product, a method for producing the color filter, and a solid-state imaging element or an image display device, each of which including the color filter. R1 to R3 each independently represent a hydrogen atom or an alkyl group, X1 represents —COO—, —CONR—, or an arylene group, R4 represents a divalent linking group, L1 represents a group represented by Formula 2 or 3, R5 represents an (n+1)-valent linking group, X2 represents an oxygen atom or —NRA—, RA represents a hydrogen atom, an alkyl group, or an aryl group, and n represents an integer of 1 or more.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: May 2, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Junichi Ito, Yutaro Fukami, Yushi Kaneko, Kazuya Ota, Hiromu Koizumi, Michihiro Ogawa, Hiroaki Idei
  • Publication number: 20200392343
    Abstract: Provided are a composition including a compound represented by Formula 1 and having a maximum absorption wavelength in a range of 600 nm or more and less than 750 nm and a polymerizable compound; as well as a cured product of the composition, a color filter including the cured product, a method for producing the color filter, a solid-state imaging element including the color filter, an image display device including the color filter, and a compound. In Formula 1, Z's each independently represent a specific group, n represents an integer of 4 to 16, and R's each independently represent a hydrogen atom or a monovalent substituent which is different from Z, m represents an integer of 0 to 12, and m+n is 16.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 17, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Akio Mizuno, Kazuya Ota, Hiromu Koizumi, Hiroaki Idei
  • Publication number: 20200369810
    Abstract: Provided are a curable composition including a pigment, a resin having a structural unit represented by Formula 1, and a photopolymerization initiator; as well as a cured product obtained by curing the curable composition, a color filter including the cured product, a method for producing the color filter, and a solid-state imaging element or an image display device, each of which including the color filter. R1 to R3 each independently represent a hydrogen atom or an alkyl group, X1 represents —COO—, —CONR—, or an arylene group, R4 represents a divalent linking group, L1 represents a group represented by Formula 2 or 3, R5 represents an (n+1)-valent linking group, X2 represents an oxygen atom or —NRA-, RA represents a hydrogen atom, an alkyl group, or an aryl group, and n represents an integer of 1 or more.
    Type: Application
    Filed: August 14, 2020
    Publication date: November 26, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Junichi ITO, Yutaro Fukami, Yushi Kaneko, Kazuya Ota, Hiromu Koizumi, Michihiro Ogawa, Hiroaki Idei
  • Publication number: 20200299463
    Abstract: A composition includes a compound represented by Formula (1) and a pigment. In Formula (1), R1 represents an (m+n)-valent linking group, P1 represents a polymer chain which has a polyester repeating unit in a main chain, and of which a weight-average molecular weight is 1000 or more, P2 represents a polymer chain which is different from P1 and has a repeating unit derived from a monomer having an ethylenically unsaturated bonding group in a main chain, m represents a number of 1 to 9, n represents a number of 1 to 9, and m+n satisfies 4 to 18.
    Type: Application
    Filed: June 10, 2020
    Publication date: September 24, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yutaro FUKAMI, Yushi KANEKO, Junichi ITO, Kazuya OTA, Hiromu Koizumi
  • Publication number: 20200263037
    Abstract: A coloring composition includes a metal azo pigment, a polymerizable compound, and a solvent, the metal azo pigment includes at least one kind of an anion selected from an azo compound represented by Formula (I) or an azo compound having a tautomeric structure of the azo compound represented by Formula (I), two or more kinds of metal ions, and a melamine compound, and in Formula (I), R1 and R2 each independently represent OH or NR5R6, R3 and R4 each independently represent ?O or ?NR7, and R5 to R7 each independently represent a hydrogen atom or an alkyl group.
    Type: Application
    Filed: March 31, 2020
    Publication date: August 20, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Kazuya OTA, Naotsugu MURO, Haruki INABE
  • Publication number: 20200207990
    Abstract: A coloring composition includes a metal azo pigment, a compound having an ethylenically unsaturated bonding group, and a solvent, the metal azo pigment includes at least one kind of an anion selected from an azo compound represented by Formula (I) or an azo compound having a tautomeric structure of the azo compound represented by Formula (I), two or more kinds of metal ions, and a melamine compound, and in Formula (I), R1 and R2 each independently represent OH or NR5R6, R3 and R4 each independently represent ?O or ?NR7, and R5 to R7 each independently represent a hydrogen atom or an alkyl group.
    Type: Application
    Filed: March 9, 2020
    Publication date: July 2, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Shoichi NAKAMURA, Kazuya OTA, Haruki INABE
  • Publication number: 20200142302
    Abstract: A curable composition contains a particle and at least one polymer compound selected from the group consisting of a polymer compound having a specific structure and a specific absorbance E of less than 5 at a maximum absorption wavelength in the range of 400 to 800 nm and a polymer compound having a specific structure and a specific absorbance E of less than 5 at a maximum absorption wavelength in the range of 400 to 800 nm.
    Type: Application
    Filed: January 7, 2020
    Publication date: May 7, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Junichi ITO, Yushi KANEKO, Hiroaki IDEI, Yutaro FUKAMI, Kazuya OTA
  • Patent number: 10234766
    Abstract: A reticle protection device capable of keeping a reticle therein is provided with an inner pod capable of keeping the reticle therein; an outer pod capable of keeping the inner pod therein; an electroconductive movable contact portion provided on at least one of the inner pod and the outer pod and being capable of coining into contact with an electroconductive film of the reticle; and a leaf spring for achieving electric conduction of the contact portion to at least one of the inner pod and the outer pod. The reticle is kept in the inner pod and the inner pod is kept in the outer pod, thereby enabling stable grounding of the reticle.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: March 19, 2019
    Assignee: NIKON CORPORATION
    Inventor: Kazuya Ota
  • Patent number: 10113948
    Abstract: A particle detection method in which particles in a sample are detected includes: a mounting step of mounting, on a stage portion, a fluid device including a channel through which the particles can move; an irradiation step of irradiating the channel with illumination light; and a detection step of detecting scattered light generated from the particles by irradiation with the illumination light. In the irradiation step, the illumination light is converged such as to enter the channel by passing through, among side surfaces of the channel, only the first side surface that faces an illumination light incident direction.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: October 30, 2018
    Assignees: The University of Tokyo, Nikon Corporation
    Inventors: Takanori Ichiki, Kuno Suzuki, Daishi Tanaka, Jiro Inoue, Kazuya Ota
  • Publication number: 20170285484
    Abstract: A reticle protection device capable of keeping a reticle therein is provided with an inner pod capable of keeping the reticle therein; an outer pod capable of keeping the inner pod therein; an electroconductive movable contact portion provided on at least one of the inner pod and the outer pod and being capable of coining into contact with an electroconductive film of the reticle; and a leaf spring for achieving electric conduction of the contact portion to at least one of the inner pod and the outer pod. The reticle is kept in the inner pod and the inner pod is kept in the outer pod, thereby enabling stable grounding of the reticle.
    Type: Application
    Filed: June 19, 2017
    Publication date: October 5, 2017
    Applicant: NIKON CORPORATION
    Inventor: Kazuya OTA
  • Publication number: 20170219477
    Abstract: A particle detection method in which particles in a sample are detected includes: a mounting step of mounting, on a stage portion, a fluid device including a channel through which the particles can move; an irradiation step of irradiating the channel with illumination light; and a detection step of detecting scattered light generated from the particles by irradiation with the illumination light. In the irradiation step, the illumination light is converged such as to enter the channel by passing through, among side surfaces of the channel, only the first side surface that faces an illumination light incident direction.
    Type: Application
    Filed: April 18, 2017
    Publication date: August 3, 2017
    Inventors: Takanori ICHIKI, Kuno SUZUKI, Daishi TANAKA, Jiro INOUE, Kazuya OTA
  • Patent number: 9715175
    Abstract: A reticle protection device capable of keeping a reticle therein is provided with an inner pod capable of keeping the reticle therein; an outer pod capable of keeping the inner pod therein; an electroconductive movable contact portion provided on at least one of the inner pod and the outer pod and being capable of coming into contact with an electroconductive film of the reticle; and a leaf spring for achieving electric conduction of the contact portion to at least one of the inner pod and the outer pod. The reticle is kept in the inner pod and the inner pod is kept in the outer pod, thereby enabling stable grounding of the reticle.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: July 25, 2017
    Assignee: NIKON CORPORATION
    Inventor: Kazuya Ota
  • Publication number: 20150170883
    Abstract: The present invention relates to a substrate etching device capable of improving uniformity of in-plane density of generated plasma to uniformly etch an entire substrate surface. A plasma etching device 1 includes a chamber 2 having a plasma generation space 3 and a processing space 4 set therein, a coil 30 disposed outside an upper body portion 6, a platen 40 disposed in the processing space 4 for placing a substrate K thereon, an etching gas supply mechanism 25 supplying an etching gas into the plasma generation space 3, a coil power supply mechanism 35 supplying RF power to the coil 30, and a platen power supply mechanism 45 supplying RF power to the platen 40.
    Type: Application
    Filed: September 25, 2013
    Publication date: June 18, 2015
    Applicant: SPP Technologies Co., LTD.
    Inventors: Takashi Yamamoto, Kazuya Ota, Masahiro Sasakura, Yasuyuki Hayashi
  • Publication number: 20150131069
    Abstract: A reticle protection device capable of keeping a reticle therein is provided with an inner pod capable of keeping the reticle therein; an outer pod capable of keeping the inner pod therein; an electroconductive movable contact portion provided on at least one of the inner pod and the outer pod and being capable of coming into contact with an electroconductive film of the reticle; and a leaf spring for achieving electric conduction of the contact portion to at least one of the inner pod and the outer pod. The reticle is kept in the inner pod and the inner pod is kept in the outer pod, thereby enabling stable grounding of the reticle.
    Type: Application
    Filed: June 15, 2012
    Publication date: May 14, 2015
    Applicant: NIKON CORPORATION
    Inventor: Kazuya Ota
  • Patent number: 7211543
    Abstract: A photocatalyst composition which comprises (A) modified photocatalyst particles, the modified photocatalyst particles (A) being prepared by subjecting particles of a photocatalyst to a modification treatment with at least one modifier compound selected from the group consisting of different compounds each of which independently comprises at least one structural unit selected from the group consisting of a triorganosilane unit, a monooxydiorganosilane unit and a dioxyorganosilane unit; and (B) a binder component comprising a phenyl group-containing silicone optionally containing an alkyl group. A film formed using the above-mentioned photocatalyst composition, a functional composite comprising a substrate and the above-mentioned film formed on the substrate, and a shaped article produced by shaping the above-mentioned photocatalyst composition.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: May 1, 2007
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Akira Nakabayashi, Kazuya Ota