Patents by Inventor Yoshiaki Nakazawa

Yoshiaki Nakazawa 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: 12266675
    Abstract: An imaging element according to an embodiment of the present disclosure includes: a first substrate, a second substrate, and a third substrate that are stacked in this order. The first substrate including a sensor pixel that performs photoelectric conversion and the second substrate including a readout circuit are electrically coupled to each other by a first through wiring line provided in an interlayer insulating film. The second substrate and the third substrate including a logic circuit are electrically coupled to each other by a junction between pad electrodes or a second through wiring line penetrating through a semiconductor substrate.
    Type: Grant
    Filed: September 14, 2023
    Date of Patent: April 1, 2025
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Keiichi Nakazawa, Yoshiaki Kitano, Hirofumi Yamashita, Minoru Ishida
  • Patent number: 12248129
    Abstract: A zoom lens system includes: a first lens group having positive power; a second lens group having negative power; a third lens group having positive power; a fourth lens group having positive power; a fifth lens group having negative power; and a following lens group following the fifth lens group. The first to fifth lens groups and the following lens group are arranged in this order such that the first lens group is located closest to an object and that the following lens group is located closest to an image. While the zoom lens system is zooming, intervals between the respective lens groups change. While the zoom lens system is focusing from an infinity focus point through a shortest shooting range, a plurality of negative lens groups included in the fifth lens group and the following lens group move.
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: March 11, 2025
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Genki Nakazawa, Takao Yamanaka, Yoshiaki Kurioka
  • Publication number: 20250081536
    Abstract: The transistor includes a first gate electrode, a first insulating film over the first gate electrode, an oxide semiconductor film over the first insulating film, a source electrode over the oxide semiconductor film, a drain electrode over the oxide semiconductor film, a second insulating film over the oxide semiconductor film, the source electrode, and the drain electrode, and a second gate electrode over the second insulating film. The first insulating film includes a first opening. A connection electrode electrically connected to the first gate electrode through the first opening is formed over the first insulating film. The second insulating film includes a second opening that reaches the connection electrode. The second gate electrode includes an oxide conductive film and a metal film over the oxide conductive film. The connection electrode and the second gate electrode are electrically connected to each other through the metal film.
    Type: Application
    Filed: November 15, 2024
    Publication date: March 6, 2025
    Inventors: Yoshiaki OIKAWA, Nobuharu OHSAWA, Masami JINTYOU, Yasutaka NAKAZAWA
  • Patent number: 12235424
    Abstract: A zoom lens system includes: a first lens group having positive power; a second lens group having negative power; a third lens group having positive power; a fourth lens group having positive power; a fifth lens group having negative power; and a following lens group following the fifth lens group. The first to fifth lens groups and the following lens group are arranged in this order such that the first lens group is located closest to an object and that the following lens group is located closest to an image. While the zoom lens system is zooming, intervals between the respective lens groups change. While the zoom lens system is focusing from an infinity focus point through a shortest shooting range, a plurality of negative lens groups included in the fifth lens group and the following lens group move.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: February 25, 2025
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Genki Nakazawa, Takao Yamanaka, Yoshiaki Kurioka
  • Patent number: 12179246
    Abstract: A method of producing a hot press-formed product includes subjecting an Al-plated steel sheet having a zinc compound layer or a metallic zinc layer, as an outermost layer, provided on an Al plating layer to hot press forming using a die. The die includes a hard layer having a skewness (Rsk), as measured in a direction from the outside of a die hole toward the inside of the die hole, of 1.3 or less and a hardness Hv_Die of HV 2,000 or more, over the entirety of a region of a steel sheet contact surface that is adjacent to a die shoulder portion. The steel sheet contact surface is a surface located outside of the die hole and configured to contact the Al-plated steel sheet that is to be subjected to the hot press forming.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: December 31, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Masahiro Kubo, Soshi Fujita, Yoshiaki Nakazawa, Hideaki Irikawa, Masahiro Fuda
  • Patent number: 12162086
    Abstract: A welded joint manufacturing method includes: abutting a first electrode against a first steel sheet of a welded joint at a site A, which is a location at an outer side of a nugget in a sheet-plane direction in a plane running parallel to the first steel sheet; abutting a second electrode against a second steel sheet at a site B, which is a location at an outer side of the nugget in a sheet-plane direction in a plane running parallel to the first steel sheet of the welded joint, and positioned on an opposite side of the nugget from the site A; and passing a current through the welded joint between the first electrode and the second electrode.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: December 10, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Tohru Okada, Hiroki Fujimoto, Masanori Yasuyama, Yoshiaki Nakazawa
  • Publication number: 20240238861
    Abstract: A press-formed article that includes a top sheet portion, a peripheral wall portion formed along three peripheral edge portions of the top sheet portion, a floor flange portion, a side standing flange portion extending outward from a circumferential end portion of the peripheral wall portion, and an inclined flange portion that is an inclined wall continuous between the side standing flange portion and the floor flange portion.
    Type: Application
    Filed: March 27, 2024
    Publication date: July 18, 2024
    Inventors: Atsushi ONO, Yoshiaki NAKAZAWA, Satoshi SHIRAKAMI
  • Patent number: 12025330
    Abstract: A visualization system includes: a receiver configured to receive an input of arrangement information indicating a location of an object image on a target area image showing a target area; a storage storing correspondence information; a controller configured to output information indicating an air condition of the target area based on the arrangement information on the object image and the correspondence information; and a display configured to display at least one of information indicating the target area image or the information indicating the air condition of the target area. The object includes an air conditioner and a fixture.
    Type: Grant
    Filed: September 28, 2023
    Date of Patent: July 2, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masafumi Uda, Tomoyuki Haikawa, Yone Yun, Yoshiaki Nakazawa, Yuki Yamoto
  • Patent number: 11998967
    Abstract: A panel-shaped formed product made of a metal sheet includes a top panel portion, an opening portion, and a vertical wall portion. The top panel portion is polygonal. The opening portion is provided in the top panel portion. The vertical wall portion extends from at least not less than two adjacent borders among the borders of the top panel portion. At least one pair of each vertical wall portion of pairs of adjacent vertical wall portions of the vertical wall portions has a stepped portion. As a result, the panel shaped formed product has fewer defects such as cracks and wrinkles even when it has a shape that is difficult to form.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: June 4, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Kenichiro Otsuka, Yoshiaki Nakazawa, Naruhiko Nomura, Toshiya Suzuki, Masahiro Kubo
  • Patent number: 11986874
    Abstract: A method of manufacturing a press-formed article includes first press forming and second press forming. In the first press forming, an intermediate formed article is formed from a metal sheet by subjecting the metal sheet to processing including performing draw-forming on the metal sheet to form a peripheral wall portion, bending the metal sheet to form a convex flange portion, and bending the metal sheet to form at least a side standing flange main body portion of a side standing flange portion and a floor flange main body portion of a floor flange portion. The second press forming includes bending the intermediate formed article to form the convex flange portion to an inclined flange portion.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: May 21, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Atsushi Ono, Yoshiaki Nakazawa, Satoshi Shirakami
  • 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
  • Publication number: 20240019152
    Abstract: A visualization system includes: a receiver configured to receive an input of arrangement information indicating a location of an object image on a target area image showing a target area; a storage storing correspondence information; a controller configured to output information indicating an air condition of the target area based on the arrangement information on the object image and the correspondence information; and a display configured to display at least one of information indicating the target area image or the information indicating the air condition of the target area. The object includes an air conditioner and a fixture.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 18, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masafumi UDA, Tomoyuki HAIKAWA, Yone YUN, Yoshiaki NAKAZAWA, Yuki YAMOTO
  • Patent number: 11712949
    Abstract: What is provided is an automobile side structure including: a first impact absorbing member (122) extending in a vehicle height direction inside an automobile door; a second impact absorbing member (126) inside the automobile door; a door inner panel (200) inside the automobile door; and a side sill (520), in which the first impact absorbing member (122), the second impact absorbing member (126), the door inner panel (200), and the side sill (520) are on a straight line in a vehicle width direction, and the second impact absorbing member (126) is disposed between the first impact absorbing member (122) and the door inner panel (200); and an automobile.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: August 1, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Toshiya Suzuki, Yoshiaki Nakazawa
  • Patent number: 11673455
    Abstract: Provided is an automobile door (600) including: an exterior material (110); a first impact absorbing member (122); and a second impact absorbing member (124), in which the first impact absorbing member (122) is disposed to traverse the exterior material (110) so as to extend between both end portion regions in a vehicle height direction, the first impact absorbing member (122) is disposed on a vehicle interior side from the second impact absorbing member (124), the second impact absorbing member (124) is disposed to traverse the exterior material (110) so as to extend between both end portion regions in a vehicle length direction, the second impact absorbing member (124) is disposed adjacent to an inner surface of the exterior material (110), and at a portion excluding both of the end portion regions in the vehicle height direction, both of the end portion regions in the vehicle length direction, and an intersection portion, bending rigidity in a vehicle width direction of a cross section perpendicular to an
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: June 13, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Toshiya Suzuki, Yoshiaki Nakazawa
  • Patent number: 11639087
    Abstract: Provided is an automobile door (600) including: a first impact absorbing member (122) that traverses the automobile door (600) so as to extend between both end portion regions in a vehicle height direction; a second impact absorbing member (124) that traverses the automobile door (600) so as to extend between both end portion regions in a vehicle length direction; an exterior material (110); and a belt line reinforcement (300), in which bending rigidity in a vehicle width direction of a cross section perpendicular to an extending direction of the belt line reinforcement (300) at a support portion is larger than bending rigidity in the vehicle width direction of a cross section perpendicular to an extending direction of the first impact absorbing member (122) at an intersection portion.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: May 2, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Toshiya Suzuki, Satoshi Hirose, Tohru Yoshida, Yoshiaki Nakazawa
  • Patent number: 11628483
    Abstract: The present invention provides a hot-stamping formed article made of steel, in which the hot-stamping formed article has at least one of a tensile strength of 1200 MPa or more and a martensitic steel structure and includes a first portion, a corner portion, and a second portion, which are sequentially continuous from one end portion to the other end portion in a longitudinal direction, each of the first portion, the corner portion, and the second portion includes a top sheet and two vertical walls connected to the top sheet when viewed in a cross section perpendicular to the longitudinal direction, the second portion includes a first outwardly-extending flange adjacent to the vertical wall, and the corner portion includes a vertical flange extending from the vertical wall of the first portion, a second outwardly-extending flange adjacent to the vertical wall located on an outer peripheral side of the corner portion out of the two vertical walls, and a transition portion in which the vertical flange and the se
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: April 18, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Kenichiro Otsuka, Yoshiyuki Kaseda, Yoshiaki Nakazawa
  • Patent number: 11623260
    Abstract: A formed body 1 includes a first flange 3, a body portion 100 (a first vertical wall portion 4, a top plate portion 5, a second vertical wall portion 6), and a second flange 7, and the formed body 1 is made of steel having tensile strength of 440 MPa or more. The first flange 3 extends toward the second flange 7 from an edge portion of the first vertical wall portion 4. The first flange 3 and the body portion 100 curve so as to conform to each other as viewed from the direction orthogonal to the top plate portion 5.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: April 11, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Ryuichi Nishimura, Yoshiaki Nakazawa
  • Patent number: 11478836
    Abstract: Provided is a press-formed article manufacturing method including pressing a blank with the first pressing apparatus to form a first intermediate formed article having a pair of bent portions bent to one side in the plate thickness direction and having a spacing between the bent portions narrower than the width of the top plate and equal to or more than the width of the top portion of the convex portion, and moving the second die relative to the second punch side punch with respect to the die pad and the second punch and forming a second intermediate formed article in a state where a portion between the bent portions is sandwiched between the die pad and the convex portion, with one side of the first intermediate formed article in the plate thickness direction as the convex portion side of the second pressing apparatus.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: October 25, 2022
    Assignees: NIPPON STEEL CORPORATION, TOYODA IRON WORKS CO., LTD.
    Inventors: Toshiya Suzuki, Yoshiaki Nakazawa, Makoto Murai, Yasunobu Ishino
  • Patent number: 11479300
    Abstract: Energy absorption at the time of load input is improved with high mass efficiency. A hollow member includes: a hollow metal member having a bending induction portion in a portion thereof in a longitudinal direction; and a resin material which is disposed in close contact with the metal member on both sides of the bending induction portion in the longitudinal direction, and is disposed in at least a part of a range of less than ? of a cross-sectional height of the metal member from an end portion of the bending induction portion toward an outside in the longitudinal, in which an amount of the resin material per length in the longitudinal direction is larger on the outside of the bending induction portion than on an inside of the bending induction portion.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: October 25, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Satoshi Hirose, Yoshiaki Nakazawa
  • Publication number: 20220280992
    Abstract: A method of manufacturing a press-formed article includes first press forming and second press forming. In the first press forming, an intermediate formed article is formed from a metal sheet by subjecting the metal sheet to processing including performing draw-forming on the metal sheet to form a peripheral wall portion, bending the metal sheet to form a convex flange portion, and bending the metal sheet to form at least a side standing flange main body portion of a side standing flange portion and a floor flange main body portion of a floor flange portion. The second press forming includes bending the intermediate formed article to form the convex flange portion to an inclined flange portion.
    Type: Application
    Filed: August 5, 2020
    Publication date: September 8, 2022
    Inventors: Atsushi ONO, Yoshiaki NAKAZAWA, Satoshi SHIRAKAMI