Patents by Inventor Hiroyuki Hirata

Hiroyuki Hirata 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: 11931895
    Abstract: A robot control system includes circuitry configured to: determine a necessity of assisting a robot to complete an automated work, based on environment information of the robot; select a remote operator from candidate remote operators based on stored operator data in response to determining that it is necessary to assist the robot to complete the automated work; transmit the environment information to the selected remote operator via a communication network; receive an operation instruction based on the environment information from the selected remote operator via the communication network; and control the robot to complete the automated work based on the operation instruction.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: March 19, 2024
    Inventors: Hiroyuki Handa, Koji Sokabe, Keita Shimamoto, Masaru Adachi, Ryokichi Hirata
  • Publication number: 20240068416
    Abstract: This gas turbine equipment comprises a gas turbine and a control device. A combustor of the gas turbine uses ammonia as fuel, and uses the RQL method. A compressor of the gas turbine includes an intake adjustor that adjusts an intake rate which is the flow rate of air that flows into a compressor casing. When the concentration of NOx in exhaust gas reaches or exceeds a predetermined value, the control device controls the operation of the intake adjustor so that the intake rate decreases.
    Type: Application
    Filed: February 3, 2022
    Publication date: February 29, 2024
    Inventors: Tatsuya HAGITA, Akinori HAYASHI, Hiroyuki TAKEISHI, Yoshitaka HIRATA, Keisuke MIURA, Keita YUNOKI
  • Patent number: 11914407
    Abstract: The flow rate control device 10 includes a control valve 11, a restriction part 12 provided downstream of the control valve 11, an upstream pressure sensor 13 for measuring a pressure P1 between the control valve 11 and the restriction part 12, a differential pressure sensor 20 for measuring a differential pressure ?P between the upstream and the downstream of the restriction part 12, and an arithmetic control circuit 16 connected to the control valve 11, the upstream pressure sensor 13, and the differential pressure sensor 20.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: February 27, 2024
    Assignee: FUJIKIN INCORPORATED
    Inventors: Kaoru Hirata, Keisuke Ideguchi, Shinya Ogawa, Katsuyuki Sugita, Masaaki Nagase, Kouji Nishino, Nobukazu Ikeda, Hiroyuki Ito
  • Patent number: 11866814
    Abstract: An austenitic stainless steel, which consists of by mass percent, C: not more than 0.02%, Si: not more than 1.5%, Mn: not more than 2%, Cr: 17 to 25%, Ni: 9 to 13%, Cu: more than 0.26% not more than 4%, N: 0.06 to 0.35%, sol. Al: 0.008 to 0.03%. One or more elements selected from Nb, Ti, V, TA, Hf, and Zr in controlled amounts can be included with the balance being Fe and impurities. P, S, Sn, As, Zn, Pb and Sb among the impurities are controlled as P: 0.006 to 0.04%, S: 0.0004 to 0.03%, Sn: 0.001 to 0.1%, As: not more than 0.01%, Zn: not more than 0.01%, Pb: not more than 0.01% and Sb: not more than 0.01%. The amounts of S, P, Sn, As, Zn, Pb and Sb and the amounts of Nb, Ta, Zr, Hf, and Ti are further controlled using formulas.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: January 9, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Takahiro Osuki, Kazuhiro Ogawa, Hiroyuki Hirata, Yoshitaka Nishiyama
  • Patent number: 11834731
    Abstract: A method of producing a ferritic heat-resistant steel welded joint, the method including: a multi-layer welding step in which a ferritic heat-resistant steel base material including B at 0.006% by mass to 0.023% by mass is multi-layer welded using a Ni-based welding material for heat-resistant alloy, wherein root pass welding is performed under a welding condition such that a ratio of an area [SBM] that has been melted of the ferritic heat-resistant steel base material to an area [SWM] of a weld metal, in a transverse cross-section of a weldment after the root pass welding but before second pass welding in the multi-layer welding step, satisfies the following formula (1): 0.1?[SBM]/[SWM]??50×[% BBM]+1.3, with respect to a mass percent of B, [% BBM], which is included in the ferritic heat-resistant steel base material.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: December 5, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Hiroyuki Hirata, Kana Jotoku, Shinnosuke Kurihara, Katsuki Tanaka
  • Publication number: 20230220508
    Abstract: A method for producing an austenitic heat resistant steel in which a difference between a content of Nb and an amount of Nb analyzed as extraction residues satisfies [0.170?Nb?NbER?0.480], the method including: a forming step of machining and forming a steel having a predetermined chemical composition into a product shape; a solution heat treatment step of performing, after the forming step, heat treatment under conditions including a heat treatment temperature satisfying [?250Nb+1200?T??100Nb+1290] and a soaking time satisfying [405?0.3T?t?2475?1.5T]; and a cooling step of performing cooling after the solution heat treatment step.
    Type: Application
    Filed: April 21, 2021
    Publication date: July 13, 2023
    Inventors: Hiroyuki HIRATA, Masahiro SETO, Mitsuru YOSHIZAWA, Junichi HIGUCHI, Takahiro OSUKI
  • Publication number: 20230212724
    Abstract: There is provided a duplex stainless steel tube including a chemical composition consisting of, in mass %, C: 0.008 to 0.030%, Si: 0.10 to 0.70%, Mn: 0.80 to 2.60%, P: 0.030% or less, S: 0.0001 to 0.0050%, O: 0.0004 to 0.0150%, Sn: 0.0001% or more to less than 0.0100%, Cu: 0.10 to 2.50%, Ni: more than 2.50 to 5.50% or less, Cr: 21.5 to 25.5%, Mo: 0.10 to 0.50%, N: 0.050 to 0.200%, Al: 0.200% or less, and optional elements, with the balance: Fe and impurities, wherein 4S+8O+Sn is 0.0040 to 0.0900, and 4S+Sn is 0.0180 or less.
    Type: Application
    Filed: June 23, 2021
    Publication date: July 6, 2023
    Inventors: Hiroyuki HIRATA, Shohgo AOTA, Mitsuru YOSHIZAWA, Takahiro OSUKI
  • Publication number: 20230203629
    Abstract: There is provided an austenitic heat resistant steel including a chemical composition that consists of, in mass %, C: 0.04 to 0.12%, Si: 0.01 to 0.30%, Mn: 0.50 to 1.50%, P: 0.001 to 0.040%, S: less than 0.0050%, Cu: 2.2 to 3.8%, Ni: 8.0 to 11.0%, Cr: 17.7 to 19.3%, Mo: 0.01 to 0.55%, Nb: 0.400 to 0.650%, B: 0.0010 to 0.0060%, N: 0.050 to 0.160%, Al: 0.025% or less, and O: 0.020% or less, with the balance: Fe and impurities and that satisfies [0.170?Nb?NbER?0.480].
    Type: Application
    Filed: April 21, 2021
    Publication date: June 29, 2023
    Inventors: Masahiro SETO, Hiroyuki HIRATA, Mitsuru YOSHIZAWA, Junichi HIGUCHI, Takahiro OSUKI
  • Publication number: 20220404576
    Abstract: A lens unit and a camera module in which the electrical wiring extending from the electrically functional component in the lens barrel can be guided to the image side without interfering with an assembly operation, without the need of ensuring a wiring space in the lens barrel, and without forming an elongated through hole in the lens barrel. The lens barrel includes: i) a first through hole extending in the longitudinal direction inside the side wall to guide the electric wiring from the component to the image side end of the flange; ii) a second through hole extending radially on the side wall so the first through hole can communicate with the outside of the barrel; iii) an accommodation groove on the outer peripheral surface of the side wall to communicate with the second through hole, in order to accommodate the wiring and guide the wiring to the image side.
    Type: Application
    Filed: October 30, 2020
    Publication date: December 22, 2022
    Applicant: MAXELL, LTD.
    Inventor: Hiroyuki HIRATA
  • Publication number: 20220325394
    Abstract: An austenitic heat resisting steel includes, as a chemical composition, by mass %: C: 0.04% to 0.12%; Si: 0.10% to 0.30%; Mn: 0.20% to 0.80%; P: 0% to 0.030%; S: 0.0001% to 0.0020%: Sn: 0.0005% to 0.0230%; Cu: 2.3% to 3.8%; Co: 0.90% to 2.40%; Ni: 22.0% to 28.0%; Cr: 20.0% to 25.0%; Mo: 0.01% to 0.40%; W: 2.8% to 4.2%; Nb: 0.20% to 0.80%; B: 0.0010% to 0.0050%; and N: 0.16% to 0.30%, and a remainder of Fe and impurities, optionally further includes one or more selected from Al, O, V, Ti, Ta, C, Mg, and REM, in which 0.0012%?[% S]+[% Sn]?2.5×[% B]+0.0125% is satisfied.
    Type: Application
    Filed: July 30, 2020
    Publication date: October 13, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Hiroyuki HIRATA, Mitsuru YOSHIZAWA, Junichi HIGUCHI, Katsuki TANAKA
  • Publication number: 20220235445
    Abstract: A ferritic heat-resistant steel includes, by mass: from 0.06 to 0.11% of C; from 0.15 to 0.35% of Si; from 0.35 to 0.65% of Mn; from 0 to 0.02% of P; from 0 to 0.003% of S; from 0.005 to 0.25% of Ni; from 0.005 to 0.25% of Cu; from 2.7 to 3.3% of Co; from 8.3 to 9.7% of Cr; from 2.5 to 3.5% of W; from 0.15 to 0.25% of V; from 0.03 to 0.08% of Nb; from 0.002 to 0.04% of Ta; from 0.01 to 0.06% of Nd; from 0.006 to 0.016% of B; from 0.005 to 0.015% of N; from 0 to 0.02% of Al; and from 0 to 0.02% of O, with a balance consisting of Fe and impurities, and an amount of W, which is analyzed as an electrolytically extracted residue, [% W]ER, satisfying: ?10×[% B]+0.26?[% W]ER?10×[% B]+0.54.
    Type: Application
    Filed: March 19, 2020
    Publication date: July 28, 2022
    Inventors: Hiroyuki HIRATA, Mitsuru YOSHIZAWA, Junichi HIGUCHI, Katsuki TANAKA
  • Patent number: 11339462
    Abstract: A austenitic stainless steel weld metal which has a chemical composition consisting of, by mass %, C: 0.01 to 0.10%, Si: 0.20 to 0.70%, Mn: 0.8 to 2.5%, P: 0.035% or less, S: 0.0030% or less, Cu: 0.01 to 0.60%, Co: 0.01 to 1.00%, Ni: 8.0 to 12.0%, Cr: 14.5 to 17.5%, Mo: 1.0 to 2.2%, N: 0.02 to 0.10%, Al: 0.030% or less, O: 0.020% or less, Sn: 0 to 0.01%, Sb: 0 to 0.01%, As: 0 to 0.01%, Bi: 0 to 0.01%, V: 0 to 0.10%, Nb: 0 to 0.10%, Ti: 0 to 0.10%, W: 0 to 0.50%, B: 0 to 0.005%, Ca: 0 to 0.010%, Mg: 0 to 0.010% and REM: 0 to 0.10%, with the balance being Fe and impurities, and satisfying [17.5?Cr+Mo+1.5×Si?19.5] and [11.0?Ni+30×(C+N)+0.5×(Mn+Cu+Co)?17.0].
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: May 24, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Hiroyuki Hirata, Katsuki Tanaka, Kana Jotoku
  • Patent number: 11339461
    Abstract: A austenitic stainless steel which has a chemical composition consisting of, by mass %, C: 0.04 to 0.12%, Si: 0.25 to 0.55%, Mn: 0.7 to 2.0%, P: 0.035% or less, S: 0.0015% or less, Cu: 0.02 to 0.80%, Co: 0.02 to 0.80%, Ni: 10.0 to 14.0%, Cr: 15.5 to 17.5%, Mo: 1.5 to 2.5%, N: 0.01 to 0.10%, Al: 0.030% or less, O: 0.020% or less, Sn: 0 to 0.01%, Sb: 0 to 0.01%, As: 0 to 0.01%, Bi: 0 to 0.01%, V: 0 to 0.10%, Nb: 0 to 0.10%, Ti: 0 to 0.10%, W: 0 to 0.50%, B: 0 to 0.005%, Ca: 0 to 0.010%, Mg: 0 to 0.010% and REM: 0 to 0.10%, with the balance being Fe and impurities, and satisfying [18.0?Cr+Mo+1.5×Si?20.0] and [14.5?Ni+30×(C+N)+0.5×(Mn+Cu+Co)?19.5].
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: May 24, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Hiroyuki Hirata, Katsuki Tanaka, Kana Jotoku
  • Publication number: 20220042150
    Abstract: A method of producing a ferritic heat-resistant steel welded joint, the method including: a multi-layer welding step in which a ferritic heat-resistant steel base material including B at 0.006% by mass to 0.023% by mass is multi-layer welded using a Ni-based welding material for heat-resistant alloy, wherein root pass welding is performed under a welding condition such that a ratio of an area [SBM] that has been melted of the ferritic heat-resistant steel base material to an area [SWM] of a weld metal, in a transverse cross-section of a weldment after the root pass welding but before second pass welding in the multi-layer welding step, satisfies the following formula (1): 0.1?[SBM]/[SWM]??50×[% BBM]+1.3, with respect to a mass percent of B, [% BBM], which is included in the ferritic heat-resistant steel base material.
    Type: Application
    Filed: December 5, 2019
    Publication date: February 10, 2022
    Inventors: Hiroyuki HIRATA, Kana JOTOKU, Shinnosuke KURIHARA, Katsuki TANAKA
  • Patent number: 11188567
    Abstract: A data analysis support apparatus includes a relationship network generation section that analyzes a relationship between operating systems, a relationship between operation data tables, a relationship between data items possessed by the operation data tables and a relationship between data values possessed by records of the operation data tables and stores them, as a relationship network; a data item classification section that classifies data items that become a data analysis target into a first data type based on an actual value and a second data type based on a planned value; an analysis data table generation section that generates and accumulates an analysis data table to be used for data analysis; a data model generation section that generates, as a data model, a data item group that allows data analysis in combination; and an analysis target item presentation section that recommends a data item to be made an analysis target.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: November 30, 2021
    Assignee: Hitachi, Ltd.
    Inventors: Yuko Yamashita, Tsuyoshi Minakawa, Tomoe Tomiyama, Kenji Kawasaki, Hidenori Yamamoto, Takeshi Handa, Takashi Tsuno, Hiroyuki Hirata
  • Patent number: 11169355
    Abstract: A lens unit capable of checking the airtightness of a seal member between an object side lens and an inner circumferential surface of a lens barrel. A part of an end portion of an air hole on the object side is opened radially inward from the inner circumferential surface of the lens barrel, and at least part of the end portion of the air hole on the image side is opened. When the image side lens is in close contact with the lens installation surface of the flange portion, the air fills the lens barrel through the air hole. The seal member provided between the object side lens and the inner circumferential surface of the lens barrel is damaged or it's not attached to a predetermined position from the beginning, it's still possible to measure air leakages, thus rendering it possible to exactly check the airtightness of the seal member.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: November 9, 2021
    Assignee: MAXELL, LTD.
    Inventor: Hiroyuki Hirata
  • Publication number: 20210294066
    Abstract: A lens unit has a snow melting function without causing an increase in size. The lens unit includes: a cylindrical lens barrel; and a plurality of lenses arranged side by side along the axial direction of the lens barrel on the inner peripheral side of the lens barrel. A heater unit that generates a heat when energized is provided between the flange portion (flat portion) of the lens disposed on the most object side of the lens barrel and the flange portion (flat portion) of the lens adjacent to the lens.
    Type: Application
    Filed: May 24, 2019
    Publication date: September 23, 2021
    Applicant: Maxell, Ltd.
    Inventors: Hiroyuki HIRATA, Akira INABA, Osamu ISHIZAKI
  • Patent number: 11090755
    Abstract: The present invention provides a welding material for ferritic heat-resistant steel, a welded joint for ferritic heat-resistant steel, and a method for producing the welded joint for to form a weld metal having a high creep strength and a high toughness in welding a ferritic heat-resistant steel that contains B. The welding material for ferritic heat-resistant steel has a chemical composition containing, in mass %, C: 0.06 to 0.10%, Si: 0.1 to 0.4%, Mn: 0.3 to 0.7%, Co: 2.6 to 3.4%, Ni: 0.01 to 1.10%, Cr: 8.5 to 9.5%, W: 2.5 to 3.5%, Nb: 0.02 to 0.08%, V: 0.1 to 0.3%, Ta: 0.02 to 0.08%, B: 0.007 to 0.015%, N: 0.005 to 0.020%, with the balance being Fe and impurities, and satisfying Formula (1): 0.5?Cr+6Si+1.5W+11V+5Nb+10B?40C?30N?4Ni?2Co?2Mn?10.0??(1).
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: August 17, 2021
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Hiroyuki Hirata, Kana Jotoku, Tomoaki Hamaguchi, Toshihide Ono, Katsuki Tanaka
  • Patent number: 11021778
    Abstract: An austenitic stainless steel weld metal which has a chemical composition consisting of, by mass %, C: 0.05 to 0.11%, Si: 0.10 to 0.50%, Mn: 1.0 to 2.5%, P: 0.035% or less, S: 0.0030% or less, Co: 0.01 to 1.00%, Ni: 9.0 to 11.5%, Cr: 17.0 to 21.0%, Nb: 0.60 to 0.90%, Ta: 0.001 to 0.100%, N: 0.01 to 0.15%, Al: 0.030% or less, O: 0.020% or less, V: 0 to 0.10%, Ti: 0 to 0.10%, W: 0 to 0.50%, Mo: 0 to 0.50%, Cu: 0 to 0.50%, B: 0 to 0.005%, Ca: 0 to 0.010%, Mg: 0 to 0.010% and REM: 0 to 0.10%, with the balance being Fe and impurities, and satisfying [Nb?7.8×C?0.25].
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: June 1, 2021
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Hiroyuki Hirata, Kana Jotoku, Katsuki Tanaka
  • Publication number: 20210141291
    Abstract: A lens unit capable of checking the airtightness of a seal member between an object side lens and an inner circumferential surface of a lens barrel. A part of an end portion of an air hole on the object side is opened radially inward from the inner circumferential surface of the lens barrel, and at least part of the end portion of the air hole on the image side is opened. When the image side lens is in close contact with the lens installation surface of the flange portion, the air fills the lens barrel through the air hole. The seal member provided between the object side lens and the inner circumferential surface of the lens barrel is damaged or it's not attached to a predetermined position from the beginning, it's still possible to measure air leakages, thus rendering it possible to exactly check the airtightness of the seal member.
    Type: Application
    Filed: May 11, 2018
    Publication date: May 13, 2021
    Applicant: MAXELL, LTD.
    Inventor: Hiroyuki HIRATA