Patents by Inventor Shinji Kodama
Shinji Kodama 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).
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Patent number: 11972877Abstract: A superconducting wire connector includes superconducting wires and a sintered body containing MgB2. The superconducting wires are connected by the sintered body. At least one of the superconducting wires includes a superconducting core having a first outer surface. The sintered body is in contact with the first outer surface. A method of connecting superconducting wires by a sintered body containing MgB2 includes exposing a superconducting core of at least one of the superconducting wires by removing a portion, positioned in the middle in a longitudinal direction of the at least one of the superconducting wires, of a metal sheath disposed around the superconducting core, disposing the at least one of the superconducting wires through a container, filling the container with a raw material of MgB2, and forming the sintered body being in contact with an outer surface of the superconducting core by sintering the raw material filled in the container.Type: GrantFiled: February 26, 2021Date of Patent: April 30, 2024Assignee: HITACHI, LTD.Inventors: Shinji Fujita, Tsuyoshi Wakuda, Yota Ichiki, Motomune Kodama
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Patent number: 11966669Abstract: A molten metal component estimation device including: an input device configured to receive measurement information about a refining facility including measurement results regarding an optical characteristic; a model database that stores model expressions and model parameters, regarding a blowing process reaction, including a model expression and model parameters representing a relation between the oxygen efficiency in decarburization and a carbon concentration in a molten metal in the refining facility; and a processor configured to: estimate component concentrations of the molten metal including the carbon concentration in the molten metal by using the measurement information, the model expressions and the model parameters; estimate the carbon concentration in the molten metal based on the measurement results; and determine the model expression and the model parameters to be used when estimating the component concentrations of the molten metal, based on the estimation result of the carbon concentration in tType: GrantFiled: April 3, 2019Date of Patent: April 23, 2024Assignee: JFE STEEL CORPORATIONInventors: Hiroto Kase, Shinji Tomiyama, Yukio Takahashi, Shota Amano, Toshifumi Kodama
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Publication number: 20230287601Abstract: A portable, hand-held electrospinning or electrospraying apparatus and system, method, and portions thereof, comprised of a durable portion of the hand-held apparatus and a consumable portion of the hand-held apparatus. The consumable portion of the hand-held apparatus, which may contain the solution to be output in electrospin or electrospray fashion, may be replaced in whole or in part to provide additional or alternative solution. A base station may be provided, and can output high voltage and communication signals to the hand-held apparatus to enable the electrospin or electrospray operation by the hand-held apparatus.Type: ApplicationFiled: May 19, 2023Publication date: September 14, 2023Applicant: Kao CorporationInventors: Hirokatsu SUGAWARA, Shinji KODAMA, Michael Edward Philip RUSSELL, Carl Gordon HEWETT, Joe Antony WILLIAMS
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Patent number: 11697890Abstract: A portable, hand-held electrospinning or electrospraying apparatus and system, method, and portions thereof, comprised of a durable portion of the hand-held apparatus and a consumable portion of the hand-held apparatus. The consumable portion of the hand-held apparatus, which may contain the solution to be output in electrospin or electrospray fashion, may be replaced in whole or in part to provide additional or alternative solution. A base station may be provided, and can output high voltage and communication signals to the hand-held apparatus to enable the electrospin or electrospray operation by the hand-held apparatus.Type: GrantFiled: November 10, 2020Date of Patent: July 11, 2023Assignee: Kao CorporationInventors: Hirokatsu Sugawara, Shinji Kodama, Michael Edward Philip Russell, Carl Gordon Hewett, Joe Antony Williams
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Patent number: 11592045Abstract: A lap fillet arc welded joint includes: a first steel sheet and a second steel sheet which are overlapped each other, the first steel sheet and the second steel sheet each having a tensile strength of 950 MPa or more; and a weld metal which extends along a corner formed by an upper surface of the first steel sheet and an end surface of the second steel sheet. When: a toe angle of the weld metal is defined as ?; the total number of concave portions present on the surface of the weld metal included a range of 0.4 mm or less from a fusion boundary is defined as NA; and the number of concave portions in contact with ferrite grains having a maximum grain size of 10 ?m or more is defined as NB, the weld metal satisfies the following conditional expressions (1) and (2) at the same time. 0°<?<30°??(1) NB/NA?0.70??(2) (Here, NA is 20 or more).Type: GrantFiled: August 20, 2018Date of Patent: February 28, 2023Assignee: NIPPON STEEL CORPORATIONInventors: Kazuki Matsuda, Shinji Kodama, Kotaro Watanabe, Masatoshi Tokunaga
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Publication number: 20220379409Abstract: A welded joint comprising: a pair of steel base materials having a sheet thickness of 0.4 to 4.0 mm, and at least one of which has a tensile strength of 780 MPa or more; and a weld metal that welds the pair of steel base materials, wherein, when the weld metal is seen in plan view, a weld toe of the weld metal has peaks and valleys, an average distance in a direction orthogonal to a weld line direction between a top point of a peak and a bottom point of a valley that are adjacent to one another is 3.0 mm or less, and an average number of a total of peaks and valleys, at which the distance in the direction orthogonal to the weld line direction between the top point of the peak and the bottom point of the valley that are adjacent to one another is 0.1 mm to 3.0 mm, is 2 to 30/15 mm, and an automobile component having the welded joint.Type: ApplicationFiled: October 5, 2020Publication date: December 1, 2022Inventors: Kazuki MATSUDA, Shinji KODAMA
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Patent number: 11498143Abstract: The present invention provides a lap fillet arc welding joint including a first metal sheet, a second metal sheet, and a weld bead. A region of the first metal sheet on one end side is bent. In a first direction, a position of a tip end of the bent region of the first metal sheet overlaps a region of the second metal sheet on one end side. In a second direction, an amount of deviation between a central axis of a region connected to the bent region of the first metal sheet and a central axis of the region of the second metal sheet on one end side is ½ times or less of average sheet thicknesses of the first metal sheet and the second metal sheet. A joint portion length is two times or more of the sheet thickness of the second metal sheet.Type: GrantFiled: July 4, 2017Date of Patent: November 15, 2022Assignee: NIPPON STEEL CORPORATIONInventors: Shinji Kodama, Yoshinari Ishida, Kazuki Matsuda
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Publication number: 20220220595Abstract: An automobile undercarriage part of the present invention is an automobile undercarriage part including a welded joint in which a first steel sheet and a second steel sheet are overlapped and a fillet weld is formed between an end surface of the first steel sheet and a surface of the second steel sheet, in which a chemical composition of a weld metal that forms the welded joint contains, with respect to a total mass of the weld metal, by mass %, C: 0.02% to 0.20%, Si: more than 0% to less than 0.10%, Mn: 0.3% to 2.0%, Al: 0.002% to 0.30%, Ti: 0.005% to 0.30%, P: more than 0% to 0.015%, and S: more than 0% to 0.030%, and the following formula (1) and formula (2) are satisfied. [Al]+[Ti]>0.05 ??Formula (1) 7×[Mn]?112×[Ti]?30×[Al]?4.Type: ApplicationFiled: March 27, 2020Publication date: July 14, 2022Applicant: NIPPON STEEL CORPORATIONInventors: Kenichiro OTSUKA, Masafumi AZUMA, Yoichiro MORI, Shinji KODAMA, Masahiro MATSUBA
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Publication number: 20220161282Abstract: Provided is a hand-held type electrostatic spray device (1) spraying an electrically charged liquid, the electrostatic spray device (1) comprising: a voltage source; a needle-shaped electrode (53: a base electrode) for electrically charging the liquid to which a voltage is applied from the voltage source and which includes a linear tip portion; a second bottom portion (32: an additional electrode) of a second electrode member (3) to which a voltage is applied from the voltage source; and a conductor (6) which is electrically isolated from the second bottom portion (32) and the needle-shaped electrode (53) and is disposed on a spray side of the liquid from the second bottom portion (32), at least a part of the conductor (6) overlapping with the second bottom portion (32) in a direction orthogonal to a spray direction of the liquid.Type: ApplicationFiled: May 22, 2020Publication date: May 26, 2022Applicant: KAO CORPORATIONInventor: Shinji KODAMA
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Publication number: 20220154319Abstract: An automobile undercarriage part of the present invention has a welded joint formed by base steel plate, wherein the chemical composition of a weld metal contains, with respect to a total mass of the weld metal, by mass %, C: 0.02% to 0.30%, Si: 0.10% to less than 1.0%, Mn: 1.2% to 3.0%, Al: 0.002% to 0.30%, Ti: 0.005% to 0.30%, P: more than 0% to 0.015%, and S: more than 0% to 0.030%, the following formula (1A), formula (1B), formula (2), and formula (3) are satisfied, and slag in a toe portion of the fillet weld satisfies a formula (4). [Al]+[Ti]>0.05??Formula (1A) [Ti]/[Al]>0.9??Formula(1B) 7×[Si]+7×[Mn]?112×[Ti]?30×[Al]?12??Formula (2) 2.0<[Si]+[Mn]??Formula (3) [Ti content on slag surface]>[Si content on slag surface]??Formula (4).Type: ApplicationFiled: March 27, 2020Publication date: May 19, 2022Applicant: NIPPON STEEL CORPORATIONInventors: Kenichiro OTSUKA, Masafumi AZUMA, Yoichiro MORI, Shinji KODAMA, Masahiro MATSUBA
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Patent number: 11235415Abstract: In a fillet welded joint a base material tensile strength is 980 MPa or more, a carbon equivalent is 0.36 or more and 0.60 or less, a tensile strength [MPa] is 1950 times or more of the carbon equivalent [wt %], a weld metal average carbon equivalent is 0.45 or more and 0.65 or less, and at a prescribed position below a surface of a weld toe, a Vickers hardness HVbond at a boundary between the weld metal and a heat affected zone, an average value HVwmt of the Vickers hardness of the weld metal in a position 0.1-mm or more and 0.3-mm or less to the weld metal side of the boundary, and an average value HVhaz of the Vickers hardness of the heat affected zone in a position 0.1-mm or more and 0.3-mm or less to the heat affected zone side of the boundary satisfy HVbond?HVwmt, HVbond?HVhaz-50, and HVhaz?350.Type: GrantFiled: February 28, 2018Date of Patent: February 1, 2022Assignee: NIPPON STEEL CORPORATIONInventors: Shinji Kodama, Kazuki Matsuda, Yoshinari Ishida
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Publication number: 20210355605Abstract: An electrostatic spinning device including a nozzle that sprays spinning liquid that has been charged; a switch that controls spray operation of the spinning liquid; and a housing that includes a bulging portion and a grip portion for grip of the user, the bulging portion bulging outward from a virtual line connecting a tip of the nozzle and an end of the switch on a side of the nozzle, an angle formed by an axis of the nozzle and an axis of the grip portion being 45 degrees or more.Type: ApplicationFiled: October 16, 2019Publication date: November 18, 2021Applicant: KAO CORPORATIONInventors: Shinji KODAMA, Susumu FUJINAMI, Haruomi ENOMOTO, Takahiro HIRANO, Takehiko TOJO
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Patent number: 11065705Abstract: A welding method for obtaining a lap fillet welded joint excellent in tensile strength, without causing an increase in welding deformation, not fracturing at the weld metal when a tensile load is applied, that is, a method of overlaying at least scheduled welding locations of a first steel sheet with a tensile strength of 780 MPa or more and a second steel sheet and fillet welding an end part of the first steel sheet and a surface of the second steel sheet, characterized by providing a reinforcing part at a surface of the first steel sheet at the opposite side to the surface to be overlaid with the second steel sheet and fillet welding one end part of the reinforcing material and the surface of the first steel sheet and by fillet welding the end part of the reinforcing part, the end part of the first steel sheet, and the surface of the second steel sheet so as to be covered by the weld metal.Type: GrantFiled: September 14, 2016Date of Patent: July 20, 2021Assignee: NIPPON STEEL CORPORATIONInventors: Yujiro Tatsumi, Yasunobu Miyazaki, Shinji Kodama
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Publication number: 20210086313Abstract: This wire for gas-shielded arc welding is a wire for joining a plurality of thin steel sheets by gas-shielded arc welding, the wire including, in mass %, with respect to a total mass of the wire: C: 0.06 to 0.15%; Si: more than 0 to 0.18%; Mn: 0.3 to 2.2%; Ti: 0.06 to 0.30%; Al: 0.001 to 0.30%; and B: 0.0030 to 0.0100%, in which Si, Mn, Ti, and Al satisfy Expressions (1) and (2). Si×Mn?0.30??Expression (1) (Si+Mn/5)/(Ti+Al)?3.Type: ApplicationFiled: December 17, 2018Publication date: March 25, 2021Applicant: NIPPON STEEL CORPORATIONInventors: Shinji KODAMA, Masahiro MATSUBA, Masafumi AZUMA, Yoichiro MORI, Kenichiro OTSUKA, Tetsuro NOSE, Tomokatsu IWAKAMI, Kazutaka MARUYAMA
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Patent number: 10952517Abstract: A film forming device 10 including a distance measurement unit 30 for measuring the distance between the skin S and the device 10, a distance decision unit 31 for deciding whether the distance measured by the distance measurement unit 30 is proper for electrostatic spraying, and a distance notification unit 32 for notifying a user of the decision by the distance decision unit 31. The film forming device 10 is of hand-held type small enough and configured to be held by the user's hand. The device 10 preferably includes an angle measurement unit 42 for measuring the angle between the electrostatic spray direction and the skin S.Type: GrantFiled: November 4, 2016Date of Patent: March 23, 2021Assignee: KAO CORPORATIONInventors: Ikuo Fukuda, Shinji Kodama
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Publication number: 20210054531Abstract: A portable, hand-held electrospinning or electrospraying apparatus and system, method, and portions thereof, comprised of a durable portion of the hand-held apparatus and a consumable portion of the hand-held apparatus. The consumable portion of the hand-held apparatus, which may contain the solution to be output in electrospin or electrospray fashion, may be replaced in whole or in part to provide additional or alternative solution. A base station may be provided, and can output high voltage and communication signals to the hand-held apparatus to enable the electrospin or electrospray operation by the hand-held apparatus.Type: ApplicationFiled: November 10, 2020Publication date: February 25, 2021Applicant: Kao CorporationInventors: Hirokatsu SUGAWARA, Shinji KODAMA, Michael Edward Philip RUSSELL, Carl Gordon HEWETT, Joe Antony WILLIAMS
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Patent number: 10898967Abstract: The present invention provides a consumable electrode type gas shield arc welding method for performing arc welding of two steel sheets using a welding torch having a consumable electrode. The consumable electrode type gas shield arc welding method includes performing arc welding while a shielding gas having an oxygen potential ? which is indicated by the following Expression (1) and ranges from 1.5% to 5% is supplied from the welding torch toward the consumable electrode, and blowing an oxidation promotion gas having an oxygen potential ? which is indicated by the following Expression (2) and ranges from 15% to 50% at a flow velocity ranging from 1 to 3 m/sec over a weld bead and a weld toe portion which are formed by arc welding and are in a state of 700° C.Type: GrantFiled: January 20, 2017Date of Patent: January 26, 2021Assignee: NIPPON STEEL CORPORATIONInventors: Shinji Kodama, Tasuku Zeniya, Shoko Oami, Masahiro Matsuba
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Patent number: D941679Type: GrantFiled: November 29, 2019Date of Patent: January 25, 2022Assignee: KAO CORPORATIONInventors: Susumu Fujinami, Shinji Kodama, Shuhei Matsumoto
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Patent number: D977974Type: GrantFiled: November 27, 2019Date of Patent: February 14, 2023Assignee: KAO CORPORATIONInventors: Shinji Kodama, Haruomi Enomoto
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Patent number: D977975Type: GrantFiled: November 27, 2019Date of Patent: February 14, 2023Assignee: KAO CORPORATIONInventors: Shinji Kodama, Haruomi Enomoto