Patents by Inventor Hiroshi Horikawa

Hiroshi Horikawa 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: 12134806
    Abstract: The present invention provides a non-heat-treatable aluminum alloy for die casting, which can exhibit good castability and is able to confer excellent tensile characteristics (0.2% proof stress and elongation) and excellent corrosion resistance on die cast aluminum alloy materials. Also, the present invention provides a die cast aluminum alloy material having excellent tensile characteristics (0.2% proof stress and elongation) and excellent corrosion resistance. An aluminum alloy for die casting of the present invention comprises Mg: 3.7 to 9.0% by mass and Mn: 0.8 to 1.7% by mass, with the balance being Al and unavoidable impurities. It is preferable that the Mn content is 0.9 to 1.7% by mass and the Mg content is 4.7 to 9.0% by mass.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: November 5, 2024
    Assignees: NIPPON LIGHT METAL COMPANY, LTD., NIKKEI MC ALUMINIUM CO., LTD.
    Inventors: Izumi Yamamoto, Tomohiro Isobe, Hiroshi Horikawa
  • Publication number: 20240243243
    Abstract: An object of the present invention is to quickly stabilize a light amount of an LED light source device used in absorbance analysis and to suppress the fluctuation of the temperature due to disturbance. In an LED light source device according to the present invention, an LED substrate is disposed on a spacer, the substrate and the spacer are brought into contact with at least one of a device housing and a device lid, and a thermal conductivity of the substrate and a thermal conductivity of the spacer are higher than a thermal conductivity of the housing and a thermal conductivity of the lid.
    Type: Application
    Filed: April 14, 2022
    Publication date: July 18, 2024
    Inventors: Hayato SHIMIZU, Hiroshi HORIKAWA, Takuya TAKAHASHI, Tetsuji KAWAHARA
  • Publication number: 20240230601
    Abstract: A defect inspection apparatus (100) according to the present invention includes an exciter (1), an irradiator (laser illuminator 2) configured to irradiate an inspection target (8) with laser light, and a measurer (3) configured to change a phase of the laser light reflected by the inspection target (8) to cause the laser light having an unchanged phase to interfere with the laser light having a changed phase, and to measure the interference light. The measurer (3) is configured to acquire an interference image (71) representing a vibration state of the inspection target (8) as viewed in a direction extending along a first light path (21), and an interference image (72) representing a vibration state of the inspection target (8) as viewed in a direction extending along a second light path (22) in which the reflected laser light travels from the inspection target (8) in a direction different from the first light path (21).
    Type: Application
    Filed: March 25, 2022
    Publication date: July 11, 2024
    Applicant: SHIMADZU CORPORATION
    Inventors: Hiroshi HORIKAWA, Kenji TAKUBO, Takahide HATAHORI
  • Patent number: 12030670
    Abstract: This aircraft inspection support device (100) is provided with a three-dimensional model generation unit (25a), an inspection position acquisition unit (25b), and a control unit (25) configured to perform control to acquire an inspection result (50) of an inspection target (40) and cause the three-dimensional model position (55) on the three-dimensional model (52) corresponding to the inspection position (53), an inspection position (53), and an inspection result (50) to be stored in association with each other.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: July 9, 2024
    Assignee: SHIMADZU CORPORATION
    Inventors: Koji Morita, Hiroshi Horikawa, Hiroshi Yagi
  • Publication number: 20240103027
    Abstract: To provide an automatic analyzer which stabilizes light quantity before measurement in a short period while prolonging a long life of light source. An automatic analyzer of the present invention includes a light source with two or more LED elements each having a different wavelength, an analysis section for executing analysis based on light radiated to a reaction vessel, and a current adjustment section for adjusting quantity of current supplied to each of the LED elements. The current adjustment section reduces the quantity of current to each of the LED elements in a non-analytical state individually to be smaller than the quantity of current in an analytical state.
    Type: Application
    Filed: March 1, 2022
    Publication date: March 28, 2024
    Inventors: Hiroshi HORIKAWA, Masashi FUKAYA
  • Publication number: 20240018632
    Abstract: The present invention provides an aluminum alloy that has exceptional casting properties and that can exhibit high mechanical properties without being subjected to a heat treatment, and an aluminum alloy casting material. More specifically, the present invention provides: an aluminum alloy that has exceptional casting properties, and that has a high 0.2% proof stress and exceptional ductility without being subjected to a heat treatment; and an aluminum alloy casting material. The aluminum alloy according to the present invention is characterized by containing 7.0-9.0 mass % of Si, 2.0-4.0 mass % of Cu, 0.8-1.2 mass % of Mg, 0.3-0.5 mass % of Fe, 0.3-0.5 mass % of Mn, and. 2.0-4.0 mass % of Zn, the balance being Al and unavoidable impurities.
    Type: Application
    Filed: December 15, 2020
    Publication date: January 18, 2024
    Inventors: Shinya MIWA, Hiroshi HORIKAWA
  • Publication number: 20230401688
    Abstract: A defect inspection apparatus (100) includes an imager (image sensor 35) configured to image an inspection target 7, and a display (6) configured to display an image based on an image captured by the imager. The defect inspection apparatus (100) also includes a controller (4) configured or programmed to receive a setting of a marking (64) in a predetermined region of interest (S) on the image (still image 61) displayed on the display (6). The controller (4) is configured or programmed to inspect the inspection target (7) for a defect based on the image captured by the imager, and superimpose an image of the marking (64) on a position corresponding to the predetermined region of interest (S) in an image of an inspection result (overlay image 65) displayed on the display (6).
    Type: Application
    Filed: September 15, 2021
    Publication date: December 14, 2023
    Inventors: Naoto MISHINA, Hirofumi OKAMOTO, Takashi TANAKA, Satoru SUGIMOTO, Masashi HAYAKAWA, Takahide HATAHORI, Hiroshi HORIKAWA
  • Publication number: 20230306575
    Abstract: A defect detection device includes: an excitation unit configured to apply vibration to an inspection object; a vibration state image creation unit configured to measure by an optical means a vibration state in a measurement area on a surface of the inspection object to which the vibration is applied, and to create one or more types of vibration state images representing the vibration state in the measurement area depending on a result of the measurement; an optical image acquisition unit configured to acquire an optical image in the measurement area; an image display unit configured to display an image; and a display control unit configured to perform control to simultaneously display two images among the one or more types of vibration state images and the optical image for the same area in the measurement area on the image display unit.
    Type: Application
    Filed: March 21, 2023
    Publication date: September 28, 2023
    Inventors: Naoto MISHINA, Hiroshi HORIKAWA, Satoru SUGIMOTO
  • Publication number: 20230251204
    Abstract: This defect inspection apparatus (100) is provided with an excitation unit (1), a laser illumination unit (2), an interference unit (30), an imaging unit (31), a holding member (4) for holding the imaging unit at a position spaced apart from an inspection target (90) by a predetermined distance, a connecting member (5) for connecting the holding member or the imaging unit and the excitation unit, and a controller (6) for generating an image (61) related to the propagation of an elastic wave on an inspection target.
    Type: Application
    Filed: July 2, 2020
    Publication date: August 10, 2023
    Inventors: Hiroshi HORIKAWA, Kenji TAKUBO
  • Patent number: 11649530
    Abstract: An Al—Si—Mg aluminum alloy is provided. The Al—Si—Mg aluminum alloy includes: 5 mass % or larger and 10 mass % or smaller of Si; 0.2 mass % or larger and 1.0 mass% or smaller of Mg, 0.03 mass % or larger and 0.5 mass % or smaller of Sb; 0.0004 mass % or larger and 0.0026 mass % or smaller of Be; and a remainder having an alloy composition including Al and unavoidable impurities. In L*a*b* color system, a value of L* that indicates lightness of a surface thereof is 55 or larger.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: May 16, 2023
    Assignee: NIKKEI MC ALUMINIUM CO., LTD.
    Inventors: Katsumi Fukaya, Hiroshi Horikawa, Yutaro Kitaki, Makoto Otsuka, Tsutomu Masuda, Naoaki Yamamoto
  • Patent number: 11559857
    Abstract: A laser cut-and-machined product made from a plated steel plate. A cut face of the plated steel plate is coated with plating-layer-containing metal of a top surface of the plated steel plate that is melted and/or evaporated at the time of laser cutting and machining.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: January 24, 2023
    Assignee: AMADA CO., LTD.
    Inventors: Hideo Hara, Masahito Ito, Masanori Uehara, Hiroshi Asada, Hirokazu Sasaki, Hiroshi Horikawa
  • Patent number: 11549461
    Abstract: An aluminum alloy having excellent high temperature strength and thermal conductivity; and an internal combustion engine piston including the alloy. The aluminum alloy includes 11.0-13.0% Si, ?0.3% Fe, 0.3-2.0% Mg, 2.0-5.0% Cu, 3.0-4.0% Ni, 0.2-1.0% Mn, 0.05-0.4% Cr, and 0.05-0.4% V, with the remainder including aluminum and unavoidable impurities.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: January 10, 2023
    Assignees: NIPPON LIGHT METAL COMPANY, LTD., ART METAL MFG. CO., LTD.
    Inventors: Izumi Yamamoto, Kazuhiro Oda, Hiroshi Horikawa, Katsumi Fukaya, Takashi Seki, Tadashi Watanabe
  • Patent number: 11542580
    Abstract: A method for manufacturing an Al—Si—Mg aluminum alloy casting material is provided. The method for manufacturing an Al—Si—Mg aluminum alloy casting material includes performing heat treatment on an Al—Si—Mg aluminum alloy casting material containing 5 mass % or larger and 10 mass % or smaller of Si, 0.2 mass % or larger and 1.0 mass % or smaller of Mg, 0.03 mass % or larger and 0.5 mass % or smaller of Sb, and 0.0004 mass % or larger and 0.0026 mass % or smaller of Be, and a remainder having an alloy composition including Al and unavoidable impurities.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: January 3, 2023
    Assignees: NIKKEI MC ALUMINIUM CO., LTD., MAZDA MOTOR CORPORATION
    Inventors: Katsumi Fukaya, Hiroshi Horikawa, Yutaro Kitaki, Makato Otsuka, Tsutomu Masuda, Naoaki Yamamoto
  • Publication number: 20220316034
    Abstract: The present invention provides a photoluminescent aluminum alloy which exhibits high mechanical properties and which suppresses, to a high degree, the occurrence of color unevenness in cases where a tungsten-containing aluminum alloy die-cast material is subjected to anodization. Also provided is a photoluminescent aluminum alloy die-cast material produced using the photoluminescent aluminum alloy. This aluminum alloy contains 0.5-3.0 mass % of Mn, 0.3-2.0 mass % of Mg, 0.01-1.0 mass % of W and 1.0-3.0 mass % of Zn, with the remainder comprising aluminum and unavoidable impurities.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 6, 2022
    Inventors: Shinya MIWA, Katsumi FUKAYA, Hiroshi HORIKAWA, Izumi YAMAMOTO
  • Publication number: 20220298606
    Abstract: The present invention provides a bright aluminum alloy which has high mechanical properties and in which the occurrence of uneven color is also suppressed to a high degree when an aluminum alloy die-cast material thereof that includes tungsten is subjected to anodization treatment. Also provided is a bright aluminum alloy die-cast material that is manufactured using said bright aluminum alloy. The aluminum alloy pertaining to the present invention includes 0.5-3.0% by mass of Mn, 0.1-2.0% by mass of Mg, 0.01-1.0% by mass of W, and 0.05-2.0% by mass of Si, the balance being aluminum and unavoidable impurities.
    Type: Application
    Filed: June 16, 2020
    Publication date: September 22, 2022
    Inventors: Shinya MIWA, Katsumi FUKAYA, Hiroshi HORIKAWA, Izumi YAMAMOTO
  • Patent number: 11447743
    Abstract: This invention provides a cell culture substrate comprising on its surface a fluorine-containing polymer that enables three-dimensional tissue culture. The cell culture substrate of the invention has a surface at least a part of which is composed of a resin composition comprising a fluorine-containing polymer having one or more fluorine atoms in a repeating unit and exhibits the oxygen gas permeability of 219 cm3 (STP)/(m2·24 h·atm) or higher. Three-dimensional tissue can be formed via cell culture with the use of the cell culture substrate of the invention.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: September 20, 2022
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Tomomi Makino, Hiroshi Horikawa
  • Publication number: 20220281617
    Abstract: This aircraft inspection support device (100) is provided with a three-dimensional model generation unit (25a), an inspection position acquisition unit (25b), and a control unit (25) configured to perform control to acquire an inspection result (50) of an inspection target (40) and cause the three-dimensional model position (55) on the three-dimensional model (52) corresponding to the inspection position (53), an inspection position (53), and an inspection result (50) to be stored in association with each other.
    Type: Application
    Filed: July 19, 2019
    Publication date: September 8, 2022
    Inventors: Koji MORITA, Hiroshi HORIKAWA, Hiroshi YAGI
  • Publication number: 20220170137
    Abstract: Provided are a non-heat-treated aluminum alloy which has excellent casting properties and is high in both strength and toughness, and an aluminum alloy die casting material which is high in both strength and toughness, and which, in addition to having minimal difference in characteristics between regions thereof, is not prone to be affected by aging. An aluminum alloy comprises Si: 5.0 to 12.0% by mass, Mn: 0.3 to 1.9% by mass, Cr: 0.01 to 1.00% by mass, Ca: 0.001 to 0.050% by mass, with the balance being Al and unavoidable impurities, and the content of Mg in the unavoidable impurities being less than 0.3% by mass.
    Type: Application
    Filed: March 6, 2020
    Publication date: June 2, 2022
    Inventors: Izumi YAMAMOTO, Tomohiro ISOBE, Hiroshi HORIKAWA
  • Patent number: 11336866
    Abstract: This aircraft inspection support device includes a first imaging unit configured to capture a measurement information image displayed on a measurement instrument-side display unit of a specific measurement instrument associated with a model of an aircraft or an inspection target of an aircraft component, the measurement instrument-side display unit being configured to display measurement information on the inspection target, and an operator-side display unit configured to display the measurement information image so as to be visible to an inspection operator who is performing an inspection operation near the inspection target.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: May 17, 2022
    Assignee: Shimadzu Corporation
    Inventors: Hiroshi Horikawa, Hiroshi Yagi, Takashi Tanaka, Koji Morita, Hirotaka Sato, Masuto Kitamura
  • Publication number: 20220002845
    Abstract: The present invention provides a non-heat-treatable aluminum alloy for die casting, which can exhibit good castability and is able to confer excellent tensile characteristics (0.2% proof stress and elongation) and excellent corrosion resistance on die cast aluminum alloy materials. Also, the present invention provides a die cast aluminum alloy material having excellent tensile characteristics (0.2% proof stress and elongation) and excellent corrosion resistance. An aluminum alloy for die casting of the present invention comprises Mg: 3.7 to 9.0% by mass and Mn: 0.8 to 1.7% by mass, with the balance being Al and unavoidable impurities. It is preferable that the Mn content is 0.9 to 1.7% by mass and the Mg content is 4.7 to 9.0% by mass.
    Type: Application
    Filed: October 30, 2019
    Publication date: January 6, 2022
    Inventors: Izumi YAMAMOTO, Tomohiro ISOBE, Hiroshi HORIKAWA