Patents by Inventor Yasuhiro Ito

Yasuhiro Ito 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).

  • Publication number: 20250065835
    Abstract: A top sheet (210), two walls (221, 222), and two ridge portions (231, 232) are provided, tensile strengths of the top sheet (210) and the walls (221, 222) are 1470 MPa or more, each of the two ridge portions (231, 232) extend between the top sheet (210) and the walls (221, 222), in a longitudinal direction of the top sheet (210), and a cross section of a center portion in the longitudinal direction is an open cross section having a groove shape.
    Type: Application
    Filed: January 20, 2023
    Publication date: February 27, 2025
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Masahiro SAITO, Yasuhiro ITO, Hiroshi YOSHIDA, Junichiro SUZUKI, Susumu YUASA
  • Patent number: 12221161
    Abstract: A long structural member that, in a transverse section of one part or all of the long structural member in a longitudinal direction, includes the following configuration. A top plate part, a first flange part, and a second flange part are flat. A first side plate part, a first upper corner part, and a first lower corner part constitute a first thick-wall part. A thickness of the first thick-wall part is greater than a thickness of the top plate part and is greater than a thickness of the first flange part. A second side plate part, a second upper corner part, and a second lower corner part constitute a second thick-wall part. A thickness of the second thick-wall part is greater than the thickness of the top plate part and is greater than a thickness of the second flange part.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: February 11, 2025
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Masahiko Abe, Yasuhiro Ito
  • Publication number: 20240425960
    Abstract: The steel sheet contains, as a chemical composition, by mass %, C: 0.040% to 0.100%, Mn: 1.00% to 2.00%, Si: 0.005% to 1.500%, P: 0.100% or less, S: 0.0200% or less, Al: 0.005% to 0.700%, N: 0.0150% or less, O: 0.0100% or less, and a remainder: Fe and impurities, in which an arithmetic mean waviness Wa is in a range of 0.10 to 0.30 ?m.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 26, 2024
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Yasuhiro ITO, Hiroyuki KAWATA, Mai NAGANO, Satoshi HIRONAKA
  • Publication number: 20240392406
    Abstract: Provided is a steel sheet having a predetermined chemical composition, wherein an index A represented by 10[C]+0.3[Mn]?0.2[Si]?0.6[Al]?0.05[Cr]?0.2[Mo] is 1.10% or less, and a microstructure comprising, by area %, ferrite: 70 to 95%, and a hard phase: 5 to 30%, wherein a maximum connected length of the hard phase in a rolling direction at a sheet thickness 1/2 position is 80 ?m or less, and a maximum connected length of the hard phase in a rolling direction at a sheet thickness 1/4 position is 40 ?m or less.
    Type: Application
    Filed: August 23, 2022
    Publication date: November 28, 2024
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Satoshi HIRONAKA, Yasuhiro ITO, Mai NAGANO
  • Publication number: 20240375220
    Abstract: A laser machining apparatus includes a laser device, an image processing part, and an irradiation controller. The laser device irradiates a surface of a machining object with a laser beam. The image processing part divides an image for drawing with respect to the surface of the machining object into a plurality of gradations and creates a plurality of layer according to the plurality of gradations. The irradiation controller draws a layer on the surface of the machining object by scanning and linearly irradiating each of the plurality of layer with a laser beam in a single direction.
    Type: Application
    Filed: May 2, 2024
    Publication date: November 14, 2024
    Inventors: Yasuhiro Ito, Keisuke Takahashi, Naoharu Wakida, Tsunenari Futagi, Ayanori Nagata, Toshiki Iida, Hideaki Imanishi
  • Publication number: 20240367470
    Abstract: A structural part includes a part body and a cylindrical bush. The part body includes a through-hole and a cylindrical flange part provided in the periphery of the through-hole. The bush is inserted into the through-hole and the flange part. When seen in a cross section including a central axis of the bush, the flange part has a height difference between a first part that contacts the bush on one side in a direction perpendicular to the central axis and a second part that contacts the bush on the other side.
    Type: Application
    Filed: May 20, 2022
    Publication date: November 7, 2024
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Ryo TABATA, Yasuhiro ITO, Takeshi KAWACHI, Masahiro NAKATA
  • Publication number: 20240352565
    Abstract: This outer plate component for an automobile includes a steel sheet, and a rolling direction of the steel sheet extends along a vehicle body left-right direction in plan view.
    Type: Application
    Filed: August 27, 2021
    Publication date: October 24, 2024
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Ryuichi NISHIMURA, Yasuhiro ITO, Yasunori SAWA, Koichi HAMADA, Satoshi HIRONAKA
  • Publication number: 20240344165
    Abstract: Adopted are a steel sheet contains, as a chemical composition, by mass %, C: 0.040% to 0.105%, Mn: 1.00% to 2.30%, Si: 0.005% to 1.500%, Al: 0.005% to 0.700%, P: 0.100% or less, S: 0.0200% or less, N: 0.0150% or less, O: 0.0100% or less, and a remainder: Fe and impurities, in which ?C that is calculated from C20, which is a C content at a 20 ?m depth position from a surface, C60, which is a C content at a 60 ?m depth position from the surface, and the following expression (1) is in a range of 0.20 to 0.90 mass %/mm, and a press-formed article that is obtained by press-forming the steel sheet. ? ? C = ( C 60 - C 2 ? 0 ) / ( 0.
    Type: Application
    Filed: August 27, 2021
    Publication date: October 17, 2024
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Yasuhiro ITO, Mai NAGANO, Hiroyuki KAWATA, Satoshi HIRONAKA
  • Publication number: 20240271261
    Abstract: There is provided a steel sheet that delivers an excellent appearance quality in its formed product. The steel sheet has a chemical composition including, in mass %, C: 0.030% to 0.145%, Si: 0% to 0.500% or less, Mn: 0.50% to 2.50%, P: 0% to 0.100%, S: 0% to 0.020%, Al: 0% to 1.000%, N: 0% to 0.0100%, and the like, wherein a metal micro-structure consists of 70 to 95% ferrite in volume fraction and 5 to 30% hard phases in volume fraction, and a value X1 obtained by dividing a standard deviation of Vickers hardnesses H1/4 at ¼ sheet-thickness positions by an average value of the Vickers hardnesses H1/4 is 0.025 or less, and a value X2 obtained by dividing a standard deviation of Vickers hardnesses H1/2 at a ½ sheet-thickness position by an average Value of the Vickers hardnesses H1/2 is 0.030 or less.
    Type: Application
    Filed: March 4, 2022
    Publication date: August 15, 2024
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Satoshi HIRONAKA, Mai NAGANO, Yasuhiro ITO
  • Publication number: 20240227077
    Abstract: There is provided a blank in which two or more starting materials that overlap each other are joined with each other by laser welding, including the blank has a single layer region, in which only one of the starting materials is present, and a multi-layer region, in which two or more of the starting materials overlap each other, laser welding is continuously applied to the multi-layer region and the single layer region, and one end of a laser weld zone is located at an end portion of the single layer region of the blank, and the one end forms a concave-shaped welding end portion having a concave shape when the blank is viewed from an end face.
    Type: Application
    Filed: March 30, 2021
    Publication date: July 11, 2024
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Masahiko ABE, Yasuhiro ITO
  • Publication number: 20240131626
    Abstract: There is provided a blank in which two or more starting materials that overlap each other are joined with each other by laser welding, including the blank has a single layer region, in which only one of the starting materials is present, and a multi-layer region, in which two or more of the starting materials overlap each other, laser welding is continuously applied to the multi-layer region and the single layer region, and one end of a laser weld zone is located at an end portion of the single layer region of the blank, and the one end forms a concave-shaped welding end portion having a concave shape when the blank is viewed from an end face.
    Type: Application
    Filed: March 29, 2021
    Publication date: April 25, 2024
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Masahiko ABE, Yasuhiro ITO
  • Publication number: 20240124963
    Abstract: An objective of the present invention is to provide a steel sheet having a high strength which can provide excellent appearance quality. The steel sheet has a chemical composition including, in mass %, C: more than 0.030% to 0.145%, Si: 0% to 0.500%, Mn: 0.50% to 2.50%, P: 0% to 0.100%, S: 0% to 0.020%, Al: 0% to 1.000% or less, N: 0% to 0.0100%, and the like, wherein a metal micro-structures consisting of 70 to 95% of ferrite in volume fraction and 5 to 30% of hard phases in volume fraction, and a value X1 obtained by dividing a standard deviation of average Mn concentrations in a rolling direction at ¼ sheet-thickness positions in a sheet thickness direction by an average Mn concentration at the ¼ sheet-thickness positions is 0.025 or less.
    Type: Application
    Filed: February 25, 2022
    Publication date: April 18, 2024
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Satoshi HIRONAKA, Mai NAGANO, Yasuhiro ITO, Takuya TAKAYAMA
  • Patent number: 11951520
    Abstract: Provided is a blank made of a steel and comprising at least two protruding regions (313) having an outer edge (311) protruding outward in in-plane directions, in which a softened part (320) is formed at least partially in the protruding regions (313) and the softened part (320) is formed in at least a part of the outer edge of the protruding regions (313), a Vickers hardness of the softened part (320) is lower than a Vickers hardness of a main portion region (310), and the blank comprises at least two of the protruding regions (313) having the softened part (320).
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: April 9, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Soma Sonobe, Yasuhiro Ito
  • Patent number: 11907239
    Abstract: An information processing apparatus includes a processor configured to predict a condition to be subsequently input by a user from an input condition that is a condition of a search input by the user, search for a content based on the input condition and a prediction condition obtained by prediction, and execute a process of presenting details of the search of the content based on the prediction condition in a case where the content is not found in the search based on the input condition.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: February 20, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventor: Yasuhiro Ito
  • Publication number: 20240046661
    Abstract: A display control system is a display control system which is for controlling a first display region and a second display region (a first display screen and a second display screen) arranged in a vehicle, and which includes: an analyzer which obtains captured images of the first display region which displays a video and the second display region which displays a video, and analyzes, based on the captured images obtained, display modes which are a display mode of the video displayed in the first display region and a display mode of the video displayed in the second display region; and an information generator which generates, for each of the display modes, display adjustment information for adjusting the display mode, based on at least a result of analysis by the analyzer, and outputs the display adjustment information generated.
    Type: Application
    Filed: August 1, 2023
    Publication date: February 8, 2024
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Masakazu NAKAZAWA, Kenji OGA, Yasuhiro ITO, Naoki IKEMOTO
  • Patent number: 11890694
    Abstract: There is provided a resistance spot welding apparatus including a first rod-shaped electrode body, second rod-shaped electrode body, first ring-shaped member, second ring-shaped member, first elastic body, and second elastic body. The first rod-shaped electrode body and second rod-shaped electrode body are arranged facing each other, the first rod-shaped electrode body is inserted into a through hole of the first ring-shaped member, the first elastic body is connected to an opposite side of first ring-shaped member to second rod-shaped electrode body side, the first rod-shaped electrode body and first ring-shaped member are not electrically connected to each other, the second rod-shaped electrode body is inserted into a through hole of the second ring-shaped member, the second elastic body is connected to an opposite side of second ring-shaped member to first rod-shaped electrode body side, and the second rod-shaped electrode body and second ring-shaped member are not electrically connected each other.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: February 6, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Yoshiaki Nakazawa, Tohru Okada, Yasuhiro Ito, Masanori Yasuyama, Yasunori Sawa
  • Patent number: 11862810
    Abstract: Disclosed herein is a separator for an electrochemical element, comprising a fibrous structure, wherein the fibrous structure has a first fibrous layer part in which short fibers and/or pulp-like fibers are intertwined with each other, and a second fibrous layer part; some of the short fibers and/or the pulp-like fibers constituting the first fibrous layer part penetrates the second fibrous layer part; and a pore diameter distribution of the fibrous structure satisfies the following formula: 0 ?m<Dmax<18 ?m, and 0 ?m?(Dmax?Dave)<13 ?m, wherein Dmax is a maximum pore diameter (?m) of the fibrous structure, and Dave is an average pore diameter (?m) of the fibrous structure.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: January 2, 2024
    Assignee: JAPAN VILENE COMPANY, LTD.
    Inventors: Hiroki Cho, Yoshinori Sato, Ayuka Noguchi, Akihiko Kawano, Masanao Tanaka, Yasuhiro Ito
  • Patent number: 11854743
    Abstract: A dielectric composition includes main-phase particles each including a main component having a perovskite crystal structure represented by a general formula of ABO3. At least a part of the main-phase particles has a core-shell structure. The dielectric composition includes RA, RB, M, and Si. Each of A, B, RA, RB, and M is one or more elements selected from a specific element group. SRA/SRB>CRA/CRB is satisfied, where CRA is an RA content (mol %) to the main component in terms of RA2O3, and CRB is an RB content (mol %) to the main component in terms of RB2O3, in the dielectric composition, and SRA is an average RA content (mol %), and SRB is an average RB content (mol %), in a shell part of the core-shell structure.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: December 26, 2023
    Assignee: TDK CORPORATION
    Inventors: Taku Murakami, Nobuto Morigasaki, Takuma Ariizumi, Toshihiko Kaneko, Yasuhiro Ito
  • Patent number: 11842851
    Abstract: A dielectric composition includes a main phase and segregation phases each including RE (at least one rare earth element). The main phase includes a main component having a perovskite crystal structure of ABO3 (A is one or more selected from Ba, Sr, and Ca, and B is one or more selected from Ti, Zr, and Hf). The segregation phases are classified into first segregation phases whose atomic ratio of Si to RE is 0 or more and 0.20 or less and second segregation phases whose atomic ratio of Si to the RE is more than 0.20. 0?S1/S2?0.10 is satisfied on a cross section of the dielectric composition, where S1 is an area ratio of the first segregation phases, and S2 is an area ratio of the second segregation phases. An atomic ratio of Si to RE in the second segregation phases is 0.80 or less on average.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: December 12, 2023
    Assignee: TDK CORPORATION
    Inventors: Takuma Ariizumi, Taku Murakami, Nobuto Morigasaki, Toshihiko Kaneko, Yasuhiro Ito
  • Publication number: 20230382463
    Abstract: A long structural member that, in a transverse section of one part or all of the long structural member in a longitudinal direction, includes the following configuration. A top plate part, a first flange part, and a second flange part are flat. A first side plate part, a first upper corner part, and a first lower corner part constitute a first thick-wall part. A thickness of the first thick-wall part is greater than a thickness of the top plate part and is greater than a thickness of the first flange part. A second side plate part, a second upper corner part, and a second lower corner part constitute a second thick-wall part. A thickness of the second thick-wall part is greater than the thickness of the top plate part and is greater than a thickness of the second flange part.
    Type: Application
    Filed: October 4, 2021
    Publication date: November 30, 2023
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Masahiko ABE, Yasuhiro ITO