Patents by Inventor Ryo Kuroda

Ryo Kuroda 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: 11925968
    Abstract: A method for manufacturing a press-formed article (100) includes a first step for forming a base sheet portion, a first rising portion, and a first strip portion from a sheet-shaped workpiece having a first edge portion and a second edge portion; and a second step for forming a second rising portion by causing a strip-shaped first zone including the second edge portion to be disposed between a first upper die and a first lower die from both sides, causing a second zone adjacent to the first zone to be disposed between a second upper die and a second lower die from both sides, and moving the first upper die and the first lower die relative to the second upper die and the second lower die, wherein, in the second step, a part of the second rising portion which is connected to a vertical ridge line (108) is shear-deformed.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: March 12, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Ryo Kuroda, Yasuharu Tanaka, Takashi Miyagi, Misao Ogawa
  • Publication number: 20230415216
    Abstract: This press-formed article includes: a top sheet portion; a sidewall continuing to the top sheet portion via a convex ridge line portion; a flange continuing to the sidewall via a concaved ridge line portion; and an outward flange continuing from an edge portion of the top sheet portion to an edge portion of the flange, via an edge portion of the convex ridge line portion, an edge portion of the sidewall, and an edge portion of the concaved ridge line portion, wherein in the same unit, an average thickness TAve, a minimum thickness TMin, and a maximum thickness TMax of the outward flange satisfy Equation 1 and Equation 2. 0.8×TAve?TMin<TAve??(Equation 1) TAve<TMax<1.
    Type: Application
    Filed: September 7, 2023
    Publication date: December 28, 2023
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Yasuharu TANAKA, Misao OGAWA, Takashi MIYAGI, Toshimitsu ASO, Hiroyuki TANOUE, Ryo KURODA
  • Patent number: 11806773
    Abstract: This press-formed article includes: a top sheet portion; a sidewall continuing to the top sheet portion via a convex ridge line portion; a flange continuing to the sidewall via a concaved ridge line portion; and an outward flange continuing from an edge portion of the top sheet portion to an edge portion of the flange, via an edge portion of the convex ridge line portion, an edge portion of the sidewall, and an edge portion of the concaved ridge line portion, wherein in the same unit, an average thickness TAve, a minimum thickness TMin, and a maximum thickness TMax of the outward flange satisfy Equation 1 and Equation 2. 0.8×TAve?TMin<TAve??(Equation 1) TAve<TMax?1.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: November 7, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Yasuharu Tanaka, Misao Ogawa, Takashi Miyagi, Toshimitsu Aso, Hiroyuki Tanoue, Ryo Kuroda
  • Publication number: 20220371070
    Abstract: A method for manufacturing a press-formed article (100) includes a first step for forming a base sheet portion, a first rising portion, and a first strip portion from a sheet-shaped workpiece having a first edge portion and a second edge portion; and a second step for forming a second rising portion by causing a strip-shaped first zone including the second edge portion to be disposed between a first upper die and a first lower die from both sides, causing a second zone adjacent to the first zone to be disposed between a second upper die and a second lower die from both sides, and moving the first upper die and the first lower die relative to the second upper die and the second lower die, wherein, in the second step, a part of the second rising portion which is connected to a vertical ridge line (108) is shear-deformed.
    Type: Application
    Filed: September 23, 2020
    Publication date: November 24, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Ryo KURODA, Yasuharu TANAKA, Takashi MIYAGI, Misao OGAWA
  • Publication number: 20210323044
    Abstract: This press-formed article includes: a top sheet portion; a sidewall continuing to the top sheet portion via a convex ridge line portion; a flange continuing to the sidewall via a concaved ridge line portion; and an outward flange continuing from an edge portion of the top sheet portion to an edge portion of the flange, via an edge portion of the convex ridge line portion, an edge portion of the sidewall, and an edge portion of the concaved ridge line portion, wherein in the same unit, an average thickness TAve, a minimum thickness TMin, and a maximum thickness TMax of the outward flange satisfy Equation 1 and Equation 2. 0.8×TAve?TMin<TAve ??(Equation 1) TAve<TMax?1.
    Type: Application
    Filed: June 25, 2021
    Publication date: October 21, 2021
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Yasuharu TANAKA, Misao OGAWA, Takashi MIYAGI, Toshimitsu ASO, Hiroyuki TANOUE, Ryo KURODA
  • Patent number: 11097331
    Abstract: This press-formed article includes: a top sheet portion; a sidewall continuing to the top sheet portion via a convex ridge line portion; a flange continuing to the sidewall via a concaved ridge line portion; and an outward flange continuing from an edge portion of the top sheet portion to an edge portion of the flange, via an edge portion of the convex ridge line portion, an edge portion of the sidewall, and an edge portion of the concaved ridge line portion, wherein in the same unit, an average thickness TAve, a minimum thickness TMin, and a maximum thickness TMax of the outward flange satisfy Equation 1 and Equation 2. 0.8×TAve?TMin<TAve??(Equation 1) TAve<TMax?1.2×TAve??(Equation 2).
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: August 24, 2021
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Yasuharu Tanaka, Misao Ogawa, Takashi Miyagi, Toshimitsu Aso, Hiroyuki Tanoue, Ryo Kuroda
  • Publication number: 20180133778
    Abstract: This press-formed article includes: a top sheet portion; a sidewall continuing to the top sheet portion via a convex ridge line portion; a flange continuing to the sidewall via a concaved ridge line portion; and an outward flange continuing from an edge portion of the top sheet portion to an edge portion of the flange, via an edge portion of the convex ridge line portion, an edge portion of the sidewall, and an edge portion of the concaved ridge line portion, wherein in the same unit, an average thickness TAve, a minimum thickness TMin, and a maximum thickness TMax of the outward flange satisfy Equation 1 and Equation 2. 0.8×TAve?TMin<TAve??(Equation 1) TAve<TMax?1.
    Type: Application
    Filed: June 1, 2016
    Publication date: May 17, 2018
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Yasuharu TANAKA, Misao OGAWA, Takashi MIYAGI, Toshimitsu ASO, Hiroyuki TANOUE, Ryo KURODA
  • Patent number: 9582969
    Abstract: To motivate a user to obtain game items from another deck after the user has obtained desired game items, a system according to an embodiment of the disclosure includes one or more processors and a storage storing information about a finite number of game items included respectively in a first deck and a second deck allocated to a user. The one or more processors select a first allotted count of game items as first allotted game items from among game items in the first deck in response to an acquisition request from the user, and select a second allotted count of game items as second allotted game items from among game items in the second deck in response to the acquisition request from the user.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: February 28, 2017
    Assignee: DeNA Co., Ltd.
    Inventors: Ryo Kuroda, Yujiro Uetani, Yuki Machida
  • Publication number: 20150379824
    Abstract: To motivate a user to obtain game items from another deck after the user has obtained desired game items, a system according to an embodiment of the disclosure includes one or more processors and a storage storing information about a finite number of game items included respectively in a first deck and a second deck allocated to a user. The one or more processors select a first allotted count of game items as first allotted game items from among game items in the first deck in response to an acquisition request from the user, and select a second allotted count of game items as second allotted game items from among game items in the second deck in response to the acquisition request from the user.
    Type: Application
    Filed: June 25, 2015
    Publication date: December 31, 2015
    Inventors: Ryo KURODA, Yujiro UETANI, Yuki MACHIDA
  • Publication number: 20150330769
    Abstract: The OCT apparatus includes a first light source unit changing an optical wavelength, a second light source unit changing an optical wavelength over a wavelength range different from and partially overlapping with that of the first light source unit, a signal generating unit receiving light from the light source units to generate signals at an equal wave number interval, an interference optical system splitting the light from the first and second light source units into illumination light illuminating an object and reference light, to generate first and second interference light, a light detecting unit receiving interference light, and an information acquiring unit acquiring a tomographic image of the object by linking temporal waveforms of intensities of the first and second interference light. The information acquiring unit links the temporal waveforms of the intensities of the first and second interference light based on the signal generated from the signal generating unit.
    Type: Application
    Filed: November 14, 2013
    Publication date: November 19, 2015
    Inventors: Tomohiro Yamada, Takefumi Ota, Ryo Kuroda
  • Patent number: 8570464
    Abstract: An optical filter includes a substrate, and a periodic structure in which a plurality of members formed of silicon are periodically arranged on a surface of the substrate. The filter selectively transmits light of a first wavelength included in light incident on the periodic structure in the direction of the substrate. The members are two-dimensionally arranged with a period of 400 nm to 500 nm. The dimension of the members in the direction parallel to the surface is of 120 nm to 160 nm. A local maximum value of the transmission spectrum of the first wavelength is within the range of 400 nm to 500 nm.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: October 29, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohiro Yamada, Ryo Kuroda
  • Patent number: 8488125
    Abstract: An optical tomography imaging a tomogram by using a coherent light by a backscattering light of a measured object and a reflected light of a reference mirror, which has supercontinuum light sources, an optical system having group velocity dispersion connected to the supercontinuum light source, an optical detection element detecting a coherent light by a backscattering light of the measured object and a reflected light of the reference mirror, a timing detection element detecting a timing of each wavelength component in an output light from the optical system having the group velocity dispersion, and a unit sampling a signal from the optical detector by using a timing signal from the timing detection element with a signal from the supercontinuum light source as a trigger, and detecting an optical tomogram signal imaging a tomogram, thereby acquiring an optical tomogram at a higher speed than a conventional SS-OCT.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: July 16, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kentaro Furusawa, Natsuhiko Mizutani, Ryo Kuroda
  • Patent number: 8384013
    Abstract: An optical filter includes a light-shielding conductive layer provided with a plurality of apertures on a substrate surface that selectively transmits light of a first wavelength, and a dielectric layer in contact with the conductive layer. A size of the apertures is a size equal to or less than the first wavelength, and a ratio of a surface area of the conductive layer to a surface area of the substrate surface is within a range of equal to or greater than 36% and equal to or less than 74%. A transmissivity of the first wavelength is increased by surface plasmons induced in the apertures by light falling on the conductive layer.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: February 26, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohiro Yamada, Ryo Kuroda
  • Publication number: 20120038995
    Abstract: An optical filter includes a light-shielding conductive layer provided with a plurality of apertures on a substrate surface that selectively transmits light of a first wavelength, and a dielectric layer in contact with the conductive layer. A size of the apertures is a size equal to or less than the first wavelength, and a ratio of a surface area of the conductive layer to a surface area of the substrate surface is within a range of equal to or greater than 36% and equal to or less than 74%. A transmissivity of the first wavelength is increased by surface plasmons induced in the apertures by light falling on the conductive layer.
    Type: Application
    Filed: October 21, 2011
    Publication date: February 16, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tomohiro Yamada, Ryo Kuroda
  • Patent number: 8067723
    Abstract: An optical filter includes a light-shielding conductive layer provided with a plurality of apertures on a substrate surface that selectively transmits light of a first wavelength, and a dielectric layer in contact with the conductive layer. A size of the apertures is a size equal to or less than the first wavelength, and a ratio of a surface area of the conductive layer to a surface area of the substrate surface is within a range of equal to or greater than 36% and equal to or less than 74%. A transmissivity of the first wavelength is increased by surface plasmons induced in the apertures by light falling on the conductive layer.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: November 29, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohiro Yamada, Ryo Kuroda
  • Patent number: 7915053
    Abstract: A substrate for forming a target substance detecting device includes a supporting member, an underlying layer disposed on a surface of the supporting member, and a metal pattern layer, disposed on a surface of the underlying layer, for being bound to a target substance trapping substance capable of trapping a target substance in a specimen solution at least containing water as a liquid medium to detect the target substance by utilizing plasmon resonance. The underlying layer has a refractive index nb satisfying the following relationship: 0.90 na?nb?1.05 na, wherein na represents a refractive index of water.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: March 29, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Junta Yamamichi, Satoru Nishiuma, Tomohiro Yamada, Masaya Ogino, Ryo Kuroda, Hidenori Shiotsuka
  • Patent number: 7898667
    Abstract: In the fields of biosensing and the like, achievement of high sensitivity and high performance has been demanded in the concentration detection of target substances. In order to meet such demand, disclosed is an optical element utilizing the localized surface plasmon resonance, including: a dielectric substrate; a first group of metal microstructures in which a plurality of metal microstructures is supported on a dielectric substrate in an in-plane direction of the substrate; and a second group of metal microstructures in which a plurality of metal microstructures is disposed in the in-plane direction, and each of the metal microstructures is partially exposed to the outside; wherein the first group of metal microstructures and the second group of metal microstructures are laminated so as to be separated from each other by 100 nm or more.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: March 1, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohiro Yamada, Ryo Kuroda
  • Publication number: 20100328587
    Abstract: An optical filter includes a substrate, and a periodic structure in which a plurality of members formed of silicon are periodically arranged on a surface of the substrate. The filter selectively transmits light of a first wavelength included in light incident on the periodic structure in the direction of the substrate. The members are two-dimensionally arranged with a period of 400 nm to 500 nm. The dimension of the members in the direction parallel to the surface is of 120 nm to 160 nm. A local maximum value of the transmission spectrum of the first wavelength is within the range of 400 nm to 500 nm.
    Type: Application
    Filed: June 25, 2010
    Publication date: December 30, 2010
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tomohiro Yamada, Ryo Kuroda
  • Patent number: 7859672
    Abstract: An optical element of the present invention includes a conductive microstructure having a conductive property, and detects an optical spectrum signal varied by the binding of measured molecules on the surface of the conductive microstructure. The optical element has a distribution in the binding capacity of the measured molecules on the surface of the conductive microstructure in the direction of the electric displacement vector generated inside the conductive microstructure. As a result, it is possible to provide an optical element capable of measuring the density at high accuracy without depending on the binding position of the measured molecules.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: December 28, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohiro Yamada, Yoichiro Handa, Satoru Nishiuma, Ryo Kuroda
  • Publication number: 20100309480
    Abstract: An optical tomography imaging a tomogram by using a coherent light by a backscattering light of a measured object and a reflected light of a reference mirror, which has supercontinuum light sources, an optical system having group velocity dispersion connected to the supercontinuum light source, an optical detection element detecting a coherent light by a backscattering light of the measured object and a reflected light of the reference mirror, a timing detection element detecting a timing of each wavelength component in an output light from the optical system having the group velocity dispersion, and a unit sampling a signal from the optical detector by using a timing signal from the timing detection element with a signal from the supercontinuum light source as a trigger, and detecting an optical tomogram signal imaging a tomogram, thereby acquiring an optical tomogram at a higher speed than a conventional SS-OCT.
    Type: Application
    Filed: May 12, 2009
    Publication date: December 9, 2010
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kentaro Furusawa, Natsuhiko Mizutani, Ryo Kuroda