Patents by Inventor Hideaki FUKUYAMA

Hideaki FUKUYAMA 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: 11948603
    Abstract: Various illustrative aspects are directed to a data storage device comprising one or more disks, an actuator arm assembly comprising a voice coil motor (VCM), the VCM configured to operate in a first mode and a second, different mode, wherein the first mode corresponds to at least a first and a second setting, and a control circuitry configured to cause the VCM to seek towards a target track in the first mode using the first setting for a first duration, control transition of the VCM from the first to the second setting in the first mode, cause the VCM to seek towards the target track using the second setting for a second duration, and control transition of the VCM from the first to a second mode, wherein controlling the transitioning comprises seeking the VCM toward the target track in the second mode for a third duration.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: April 2, 2024
    Assignee: Western Digital Technologies, Inc.
    Inventors: Brian Johnson, Jaesoo Byoun, Gaku Ikedo, Hideaki Ito, Naoyuki Kagami, Yasunori Fukuyama
  • Publication number: 20240096370
    Abstract: Various illustrative aspects are directed to a data storage device comprising one or more disks, an actuator arm assembly comprising a voice coil motor (VCM), the VCM configured to operate in a first mode and a second, different mode, wherein the first mode corresponds to at least a first and a second setting, and a control circuitry configured to cause the VCM to seek towards a target track in the first mode using the first setting for a first duration, control transition of the VCM from the first to the second setting in the first mode, cause the VCM to seek towards the target track using the second setting for a second duration, and control transition of the VCM from the first to a second mode, wherein controlling the transitioning comprises seeking the VCM toward the target track in the second mode for a third duration.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 21, 2024
    Inventors: Brian Johnson, Jaesoo Byoun, Gaku Ikedo, Hideaki Ito, Naoyuki Kagami, Yasunori Fukuyama
  • Publication number: 20220251400
    Abstract: An infrared-absorbing fine particle-containing composition, including: infrared absorbing fine particles, a dispersant, and a solvent, wherein the dispersant has a polyether structure, has a glass transition temperature of ?150° C. or higher and 0° C. or lower, and is contained in an amount of 10 parts by mass or more with respect to 100 parts by mass of the infrared absorbing fine particles, and a solvent content is 10 mass % or less.
    Type: Application
    Filed: July 9, 2020
    Publication date: August 11, 2022
    Applicant: SUMITOMO METAL MINING CO., LTD.
    Inventors: Hirofumi TSUNEMATSU, Takeshi CHONAN, Mika OKADA, Hideaki FUKUYAMA
  • Patent number: 11248133
    Abstract: A near infrared absorbing-fine-particle dispersion liquid having absorption in a near infrared region, having clear contrast, and being applicable to offset printing; a method for producing the same; an anti-counterfeit ink composition using the near infrared absorbing-fine-particle dispersion liquid; and anti-counterfeit printed matter using the near infrared absorbing-fine-particles. The near infrared absorbing-fine-particle dispersion liquid contains a solvent of one or more from vegetable oils or vegetable oil-derived compounds; near infrared absorbing-fine-particles of 2 mass % or more and 25 mass % or less, selected from one or more of hexaboride fine-particles expressed by formula XBa (where X is one or more kinds of specified elements, and 4.0?a?6.2); and a dispersant soluble in solvent and having a fatty acid in its structure, where the viscosity is 180 mPa·s or less. The anti-counterfeit printed matter is excellent in anti-counterfeit effect due to the near infrared absorbing-fine-particles.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: February 15, 2022
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Mika Okada, Hideaki Fukuyama
  • Patent number: 11208563
    Abstract: Surface-treated infrared-absorbing fine particles with excellent moisture and heat resistance and excellent infrared-absorbing properties, surface-treated infrared absorbing fine particle powder containing the surface-treated infrared absorbing fine particles, an infrared absorbing fine particle dispersion liquid and an infrared absorbing fine particle dispersion body using the surface-treated infrared absorbing fine particles, and a method for producing them, wherein a surface of infrared absorbing particles is coated with a coating layer containing at least one selected from hydrolysis product of a metal chelate compound, polymer of hydrolysis product of a metal chelate compound, hydrolysis product of a metal cyclic oligomer compound, and polymer of hydrolysis product of a metal cyclic oligomer compound.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: December 28, 2021
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Hirofumi Tsunematsu, Takeshi Chonan, Hideaki Fukuyama
  • Publication number: 20210380433
    Abstract: An infrared absorbing material fine particle dispersion liquid including infrared absorbing material fine particles and a solvent, the infrared absorbing material fine particles containing fine particles of composite tungsten oxide represented by a general formula MxWOy, the solvent containing water, wherein an absolute value of a zeta potential of the infrared absorbing material fine particle dispersion liquid is 5 mV or more and 100 mV or less.
    Type: Application
    Filed: August 27, 2019
    Publication date: December 9, 2021
    Applicant: SUMITOMO METAL MINING CO., LTD.
    Inventors: Keiichi SATO, Kenji FUKUDA, Yukihiro KOYAMA, Hiroki NAKAYAMA, Hideaki FUKUYAMA
  • Patent number: 11180378
    Abstract: A heat ray shielding fine particle dispersion body and a heat ray shielding laminated transparent substrate that as well as exhibit heat ray shielding properties and suppressing a scorching sensation on the skin when used in structures such as window materials and the like, also enable usage of communication devices, imaging devices, sensors and the like that use near-infrared light interposing the heat ray shielding film or the heat ray shielding glass, containing a transparent thermoplastic resin, and wherein heat ray shielding fine particles are dispersed in the transparent thermoplastic resin, the heat ray shielding fine particles having elements L, M, tungsten, and oxygen, and a hexagonal crystal structure represented by a general formula (LAMB) WCOD, wherein the element L is an element selected from K, Rb, Cs, and the element M is one or more elements selected from K, Rb, and Cs and is different from the element L.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: November 23, 2021
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Mika Okada, Hideaki Fukuyama, Takeshi Chonan
  • Patent number: 11084949
    Abstract: Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles. Also provided are a near infrared absorbing fine particle dispersion liquid containing a solvent of one or more kinds selected from vegetable oils or vegetable oil-derived compounds; near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XBa (wherein element X is at least one or more kinds selected from a group consisting of La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Y, Sm, Eu, Er, Tm, Yb, Lu, Sr, and Ca, satisfying 4.0?a?6.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: August 10, 2021
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Mika Okada, Hideaki Fukuyama
  • Patent number: 11021002
    Abstract: Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles. Also provided are a near infrared absorbing fine particle dispersion liquid containing a solvent of one or more kinds selected from petroleum-based solvents; near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XBa, and a dispersant soluble in the solvent and having a fatty acid in its structure, and an anti-counterfeit ink composition containing the near infrared absorbing fine particle dispersion liquid.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: June 1, 2021
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Mika Okada, Hideaki Fukuyama
  • Publication number: 20210047518
    Abstract: Surface-treated infrared-absorbing fine particles with excellent moisture and heat resistance and excellent infrared-absorbing properties, surface-treated infrared absorbing fine particle powder containing the surface-treated infrared absorbing fine particles, an infrared absorbing fine particle dispersion liquid and an infrared absorbing fine particle dispersion body using the surface-treated infrared absorbing fine particles, and a method for producing them, wherein a surface of infrared absorbing particles is coated with a coating layer containing at least one selected from hydrolysis product of a metal chelate compound, polymer of hydrolysis product of a metal chelate compound, hydrolysis product of a metal cyclic oligomer compound, and polymer of hydrolysis product of a metal cyclic oligomer compound.
    Type: Application
    Filed: November 13, 2018
    Publication date: February 18, 2021
    Applicant: SUMITOMO METAL MINING CO., LTD.
    Inventors: Hirofumi TSUNEMATSU, Takeshi CHONAN, Hideaki FUKUYAMA
  • Publication number: 20200115570
    Abstract: Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles. Also provided are a near infrared absorbing fine particle dispersion liquid containing a solvent of one or more kinds selected from vegetable oils or vegetable oil-derived compounds; near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XBa (wherein element X is at least one or more kinds selected from a group consisting of La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Y, Sm, Eu, Er, Tm, Yb, Lu, Sr, and Ca, satisfying 4.0?a?6.
    Type: Application
    Filed: December 10, 2019
    Publication date: April 16, 2020
    Applicant: SUMITOMO METAL MINING CO., LTD.
    Inventors: Mika OKADA, Hideaki FUKUYAMA
  • Patent number: 10604665
    Abstract: Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles. Also provided are a near infrared absorbing fine particle dispersion liquid containing a solvent of one or more kinds selected from vegetable oils or vegetable oil-derived compounds; near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XBa (wherein element X is at least one or more kinds selected from a group consisting of La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Y, Sm, Eu, Er, Tm, Yb, Lu, Sr, and Ca, satisfying 4.0?a?6.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: March 31, 2020
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Mika Okada, Hideaki Fukuyama
  • Publication number: 20200062974
    Abstract: A near infrared absorbing-fine-particle dispersion liquid having absorption in a near infrared region, having clear contrast, and being applicable to offset printing; a method for producing the same; an anti-counterfeit ink composition using the near infrared absorbing-fine-particle dispersion liquid; and anti-counterfeit printed matter using the near infrared absorbing-fine-particles. The near infrared absorbing-fine-particle dispersion liquid contains a solvent of one or more from vegetable oils or vegetable oil-derived compounds; near infrared absorbing-fine-particles of 2 mass % or more and 25 mass % or less, selected from one or more of hexaboride fine-particles expressed by formula XBa (where X is one or more kinds of specified elements, and 4.0?a?6.2); and a dispersant soluble in solvent and having a fatty acid in its structure, where the viscosity is 180 mPa·s or less. The anti-counterfeit printed matter is excellent in anti-counterfeit effect due to the near infrared ab sorbing-fine-particles.
    Type: Application
    Filed: October 24, 2019
    Publication date: February 27, 2020
    Applicant: SUMITOMO METAL MINING CO., LTD.
    Inventors: Mika OKADA, Hideaki FUKUYAMA
  • Patent number: 10442948
    Abstract: Provided is a near infrared absorbing fine particle dispersion liquid, which can be applied to offset printing, including: a solvent of one or more kinds selected from vegetable oils and vegetable oil-derived compounds; near infrared absorbing fine particles of one or more kinds selected from 10 mass % more and 25 mass % or less of a composite tungsten oxide expressed by MxWyOz, and/or a tungsten oxide having a Magneli phase expressed by a general formula WyOz; and a dispersant soluble in the solvent and having a fatty acid in its structure, wherein a viscosity is 180 mPa/S or less.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: October 15, 2019
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Mika Okada, Hideaki Fukuyama
  • Publication number: 20190263170
    Abstract: Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles. Also provided are a near infrared absorbing fine particle dispersion liquid containing a solvent of one or more kinds selected from petroleum-based solvents; near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XBa, and a dispersant soluble in the solvent and having a fatty acid in its structure, and an anti-counterfeit ink composition containing the near infrared absorbing fine particle dispersion liquid.
    Type: Application
    Filed: April 25, 2019
    Publication date: August 29, 2019
    Applicant: SUMITOMO METAL MINING CO.,LTD.
    Inventors: Mika OKADA, Hideaki FUKUYAMA
  • Patent number: 10370552
    Abstract: Provided is a near infrared absorbing fine particle dispersion liquid, which can be applied to a base material such as an acrylic resin base material having a low solvent resistance, including: a solvent of one or more kinds selected from petroleum-based solvents; near infrared absorbing fine particles of one or more kinds selected from 10 mass % more and 25 mass % or less of a composite tungsten oxide expressed by MxWyOz, and/or a magneli phase expressed by the general formula WyOz; and a dispersant having a fatty acid in its structure and soluble in the solvent, wherein a viscosity is 180 mPa/S or less.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: August 6, 2019
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Mika Okada, Hideaki Fukuyama
  • Publication number: 20190185340
    Abstract: A heat ray shielding fine particle dispersion body and a heat ray shielding laminated transparent substrate that as well as exhibit heat ray shielding properties and suppressing a scorching sensation on the skin when used in structures such as window materials and the like, also enable usage of communication devices, imaging devices, sensors and the like that use near-infrared light interposing the heat ray shielding film or the heat ray shielding glass, containing a transparent thermoplastic resin, and wherein heat ray shielding fine particles are dispersed in the transparent thermoplastic resin, the heat ray shielding fine particles having elements L, M, tungsten, and oxygen, and a hexagonal crystal structure represented by a general formula (LAMB) WCOD, wherein the element L is an element selected from K, Rb, Cs, and the element M is one or more elements selected from K, Rb, and Cs and is different from the element L.
    Type: Application
    Filed: June 14, 2017
    Publication date: June 20, 2019
    Applicant: SUMITOMO METAL MINING CO., LTD.
    Inventors: Mika OKADA, Hideaki FUKUYAMA, Takeshi CHONAN
  • Patent number: 10308823
    Abstract: A near infrared absorbing fine particle dispersion liquid, which can be applied to offset printing, including: a solvent of one or more kinds selected from vegetable oils and vegetable oil-derived compounds; near infrared ray-absorbing fine particles of one or more kinds selected from composite tungsten oxide expressed by MxWyOz or tungsten oxide having a Magneli phase expressed by a general formula WyOz; a solvent of one or more kinds selected from alcohols, ethers, esters, ketones, aromatic hydrocarbons and glycol ethers and having a boiling point of 180° C. or less, wherein a content of the solvent of one or more kinds selected from alcohols, ethers, esters, ketones, aromatic hydrocarbons and glycol ethers is 5 mass % or less.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: June 4, 2019
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Mika Okada, Hideaki Fukuyama
  • Publication number: 20180208803
    Abstract: An adhesive layer is provided including composite tungsten oxide particles and/or tungsten oxide particles; a dispersant; a metal coupling agent including an amino group; an adhesive agent; and a cross-linking agent.
    Type: Application
    Filed: October 27, 2016
    Publication date: July 26, 2018
    Inventors: Mika OKADA, Hideaki FUKUYAMA, Kenji FUKUDA
  • Publication number: 20180022945
    Abstract: Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles. Also provided are a near infrared absorbing fine particle dispersion liquid containing a solvent of one or more kinds selected from vegetable oils or vegetable oil-derived compounds; near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XBa (wherein element X is at least one or more kinds selected from a group consisting of La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Y, Sm, Eu, Er, Tm, Yb, Lu, Sr, and Ca, satisfying 4.0?a?6.
    Type: Application
    Filed: January 27, 2016
    Publication date: January 25, 2018
    Applicant: SUMITOMO METAL MINING CO., LTD.
    Inventors: Mika OKADA, Hideaki FUKUYAMA