Patents by Inventor Daisuke Maeda

Daisuke Maeda 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: 11597639
    Abstract: A transport apparatus includes a body; a fork having one portion supported by the body and another portion protruded from the body; a lifting unit; a control unit; a primary rotatable member mounted at a front end portion of the fork; an auxiliary rotatable member mounted at a rotatable-member-attaching position of the fork closer to a front end portion or a rear end portion of the fork compared to the primary rotatable member; and a step detection unit, disposed at a detection-unit-attaching position of the fork closer to the front end portion or closer to the rear end portion of the fork compared to the auxiliary rotatable member, and the step detection unit configured to detect a step member of a carriage base. The control unit lowers the fork using the lifting unit in response to a detection of the step member by the step detection unit.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: March 7, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Satoru Kurita, Kazunori Bannai, Daisuke Maeda, Satoshi Okuno
  • Publication number: 20230040050
    Abstract: A hot-stamping formed body has a predetermined chemical composition and includes microstructure which includes residual austenite of which an area ratio is in a range of 20% to 30%. Among grain boundaries of crystal grains of bainite and tempered martensite in the microstructure, a ratio of a length of a grain boundary having a rotation angle in a range of 55° to 75° to a total length of a grain boundary having a rotation angle in a range of 4° to 12°, a grain boundary having a rotation angle in a range of 49° to 54°, and a grain boundary having a rotation angle in a range of 55° to 75° to the <011> direction as a rotation axis is 30% or more.
    Type: Application
    Filed: January 8, 2021
    Publication date: February 9, 2023
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Yuri TODA, Kodai MURASAWA, Daisuke MAEDA, Kazuo HIKIDA
  • Patent number: 11572601
    Abstract: This coated steel member includes: a steel sheet substrate having a predetermined chemical composition; and a coating formed on a surface of the steel sheet substrate and containing Al and Fe, in which the coating has a low Al content region having an Al content of 3 mass % or more and less than 30 mass % and a high Al content region formed on a side closer to a surface than the low Al content region and having an Al content of 30 mass % or more, a maximum C content of the high Al content region is 25% or less of a C content of the steel sheet substrate, a maximum C content of the low Al content region is 40% or less of the C content of the steel sheet substrate, and a maximum C content in a range from an interface between the steel sheet substrate and the coating to a depth of 10 ?m on a side of the steel sheet substrate is 80% or less of the C content of the steel sheet substrate.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: February 7, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Shinichiro Tabata, Daisuke Maeda
  • Publication number: 20230001466
    Abstract: A hot-stamping formed body has a predetermined chemical composition and includes microstructure which includes residual austenite of which an area ratio is 10% or more and less than 20%, Among grain boundaries of crystal grains of bainite and tempered martensite a ratio of a length of a grain boundary having a rotation angle in a range of 55° to 75° to a total length of a grain boundary having a rotation angle in a range of 4° to 12°, a grain boundary having a rotation angle in a range of 49° to 54°, and the grain boundary having a rotation angle in, a range of 55° to 75° to the <011> direction as a rotation axis is 30% or more.
    Type: Application
    Filed: January 8, 2021
    Publication date: January 5, 2023
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Yuri TODA, Kodai MURASAWA, Daisuke MAEDA, Kazuo HIKIDA
  • Publication number: 20230002874
    Abstract: A hot-stamping formed body has a predetermined chemical composition and includes microstructure which includes residual austenite of which an area ratio is 5% or more and less than 10%. Among grain boundaries of crystal grains of bainite and tempered martensite in the microstructure, a ratio of a length of a grain boundary having a rotation angle in a range of 55° to 75° to a total length of a grain boundary having a rotation angle in a range of 4° to 12°, a grain boundary having a rotation angle in a range of 49° to 54°, and a grain boundary having a rotation angle in a range of 55° to 75° to the <011> direction as a rotation axis is 30% or more. The tensile strength of the hot-stamping formed body is 1500 MPa or more.
    Type: Application
    Filed: January 8, 2021
    Publication date: January 5, 2023
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Yuri TODA, Shinichiro TABATA, Kodai MURASAWA, Daisuke MAEDA, Kazuo HIKIDA
  • Patent number: 11546232
    Abstract: A method for providing data to a client computing device from an edge computing device is discussed herein. The method may include performing a network proximity check regarding the client computing device associated with a request for data captured by the wideband sensor. The method may further include determining, based on at least one proximity metric associated with the client computing device, a route for data responsive to the request for data associated with the network proximity check, where the route is one of a route including the cloud storage or a route that does not include the cloud storage. The method may also include receiving the request for data captured by the wideband sensor associated with the network proximity check. The method may also include transmitting the data responsive to the request for data captured by the wideband sensor associated with the network proximity check to the client computing device through the determined route.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: January 3, 2023
    Assignee: Hitachi, Ltd.
    Inventors: Daisuke Maeda, Sudhanshu Gaur
  • Publication number: 20220403490
    Abstract: A hot stamped body with high strength and good bendability, comprising a chemical composition consisting of: in mass %, C: 0.06% or more to less than 0.20%, Si: 0.010 to 1.00%, Mn: 1.20 to 3.00%, P: 0.100% or less, S: 0.010% or less, Al: 0.010 to 0.500%, N: 0.010% or less, Nb: 0.0010 to 0.020%, Ti: 0 to 0.10%, V: 0 to 0.10%, Cr: 0 to 0.50%, Mo: 0 to 1.00%, B: 0 to 0.0100%, Ni: 0 to 0.50%, REM: 0 to 0.0100%, Mg: 0 to 0.010%, Ca: 0 to 0.0100%, and Co: 0 to 2.0%, with the balance: Fe and impurities, wherein a microstructure includes martensite: 85% or more, a proportion of regions in the martensite where GAIQ values are 35000 or more to less than 45000 is 30 area % or more, and TS×?, is 105000 or more, and ? is 75 or more.
    Type: Application
    Filed: January 15, 2021
    Publication date: December 22, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Shingo FUJINAKA, Daisuke MAEDA, Yuri TODA
  • Publication number: 20220403492
    Abstract: A hot stamped body with high strength, good bendability and crack propagation resistance, consisting of: in mass %, C: 0.06% or more to less than 0.20%, Si: 0.010-1.00%, Mn: 0.80-2.00%, P: 0.100% or less, S: 0.010% or less, Al: 0.010-0.500%, N: 0.010% or less, Nb: more than 0.020% to 0.10% or less, Ti: 0-0.10%, V: 0-0.10%, Cr: 0-0.50%, Mo: 0-1.00%, B: 0-0.0100%, Ni: 0-0.50%, REM: 0-0.0100%, Mg: 0-0.010%, Ca: 0-0.0100%, and Co: 0-2.0%, with the balance: Fe and impurities, wherein a microstructure includes, in area fraction, ferrite: 5-50%, and martensite: 50-95%, a proportion of regions in the martensite where GAIQ values are 35000 or more to less than 45000 is 30 area % or more, and a maximum bending angle ? (deg) is 90 or more.
    Type: Application
    Filed: January 15, 2021
    Publication date: December 22, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Daisuke MAEDA, Shingo FUJINAKA, Yuri TODA
  • Publication number: 20220393040
    Abstract: A solar cell module is disclosed including, in sequence from a light-receiving surface side, a surface glass layer having a thickness of 0.4 mm or more and 1.6 mm or less, a first sealing layer, cells, a second sealing layer, and a back protective layer, wherein the back protective layer comprises, in sequence from a side closer to the second sealing layer, a first resin sheet layer having a flexural modulus of 1500 MPa or more and 5000 MPa or less, a second resin layer having a maximum bending load of 8N/10 mm or more and 100N/10 mm or less, wherein the maximum bending load is measured by a method in accordance with a bending test (JIS K7171) except that only the span between supports is changed to 48 mm, and a third resin sheet layer having a flexural modulus of 1500 MPa or more and 5000 MPa or less.
    Type: Application
    Filed: October 14, 2020
    Publication date: December 8, 2022
    Applicant: TOYO ALUMINIUM KABUSHIKI KAISHA
    Inventors: Keita Mori, Daisuke Maeda, Takaaki Fujino
  • Publication number: 20220393051
    Abstract: A solar cell module is disclosed including, in sequence from a light-receiving surface side, a surface glass layer having a thickness of 0.4 mm or more and 1.6 mm or less, a first sealing layer, cells, a second sealing layer, and a back protective layer, wherein the back protective layer comprises, in sequence from a side closer to the second sealing layer, a first easy-adhesion resin layer having adhesiveness to the second sealing layer, a second resin sheet layer having a flexural modulus of 1500 MPa or more and 4000 MPa or less, a third resin layer being in a foam state and having a flexural modulus of 200 MPa or more and 1000 MPa or less, and a fourth resin layer having a flexural modulus of 10000 MPa or more and 45000 MPa or less.
    Type: Application
    Filed: October 14, 2020
    Publication date: December 8, 2022
    Applicant: TOYO ALUMINIUM KABUSHIKI KAISHA
    Inventors: Takaaki Fujino, Daisuke Maeda, Keita Mori
  • Patent number: 11512373
    Abstract: A hot-stamping formed body has a predetermined chemical composition and a microstructure including, by area ratio, 90% to 100% of martensite and 0% to 10% of a remainder in the microstructure. In the microstructure, a region in which an average GAIQ value in a unit grain is 60,000 or more is 30 area % or more, and a number density of carbides having a circle equivalent diameter of 0.20 ?m or more is 50/mm2 or less.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: November 29, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Shingo Fujinaka, Yuri Toda, Daisuke Maeda
  • Publication number: 20220358311
    Abstract: Example implementations involve a location system, which can involve associating each location of one or more unidentified targets detected from sensor data of the one or more sensors with identifiers corresponding to the transmitter of each of the one or more pairs of electronic devices, by calculating first distance relationships indicative of relationships of distances between the each location of the one or more unidentified targets detected from the sensor data of the one or more sensors and a reference point; calculating second distance relationships indicative of relationships of distances between the transmitter and the receiver of each of the one or more pairs of electronic devices; and associating the identifiers corresponding to the transmitter of the each of the one or more pairs of electronic devices with the each location of the one or more unidentified targets based on the first distance relationships and the second distance relationships.
    Type: Application
    Filed: May 6, 2021
    Publication date: November 10, 2022
    Inventors: Daisuke MAEDA, Sudhanshu GAUR
  • Publication number: 20220307103
    Abstract: This coated steel member includes: a steel sheet substrate having a predetermined chemical composition; and a coating formed on a surface of the steel sheet substrate and containing Al and Fe, in which the coating has a low Al content region having an Al content of 3 mass % or more and less than 30 mass % and a high Al content region formed on a side closer to a surface than the low Al content region and having an Al content of 30 mass % or more, a maximum C content of the high Al content region is 25% or less of a C content of the steel sheet substrate, a maximum C content of the low Al content region is 40% or less of the C content of the steel sheet substrate, and a maximum C content in a range from an interface between the steel sheet substrate and the coating to a depth of 10 ?m on a side of the steel sheet substrate is 80% or less of the C content of the steel sheet substrate.
    Type: Application
    Filed: June 13, 2022
    Publication date: September 29, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Shinichiro TABATA, Daisuke MAEDA
  • Publication number: 20220228245
    Abstract: The present invention relates to a plated steel sheet for hot stamping comprising a steel sheet and a Zn—Ni plating layer formed on at least one surface of the steel sheet, wherein the Zn—Ni plating layer has an Ni concentration of 8 mass % or more, a plating deposition amount of 10 g/m2 or more and 90 g/m2 or less per surface, and an average grain size of 50 nm or more, and a difference between a diffraction peak of the Zn—Ni plating layer after heat treating the plated steel sheet for hot stamping at 200° C. for 1 hour, and a diffraction peak of the Zn—Ni plating layer before heat treating it, is 0.3° or less.
    Type: Application
    Filed: May 29, 2020
    Publication date: July 21, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Takehiro TAKAHASHI, Daisuke MAEDA, Hiroshi TAKEBAYASHI
  • Publication number: 20220219430
    Abstract: The present invention relates to a plated steel sheet for hot stamping comprising a steel sheet and a Zn—Ni plating layer formed on at least one surface of the steel sheet, wherein the Zn—Ni plating layer has an Ni concentration of 8 mass % or more, a plating deposition amount of 10 g/m2 or more and 90 g/m2 or less per surface, and an average grain size of 50 nm or less.
    Type: Application
    Filed: May 29, 2020
    Publication date: July 14, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Takehiro TAKAHASHI, Daisuke MAEDA, Hiroshi TAKEBAYASHI
  • Patent number: 11378442
    Abstract: Example implementations described herein are directed to systems and methods for extracting signal in the presence of noise for industrial IoT systems. Through the example implementations described herein, the high-frequency band signal of the sensor output can be maintained despite data compression, while also retaining information regarding the condition of the machine. Example implementations can also generate compressed data pairs to synchronized downsampled envelopes and spectrum data.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: July 5, 2022
    Assignee: HITACHI, LTD.
    Inventors: Daisuke Maeda, Sudhanshu Gaur
  • Publication number: 20220195557
    Abstract: A hot-stamping formed body includes: a steel sheet having a predetermined chemical composition; and a plating layer provided on a surface of the steel sheet, the plating layer having an adhesion amount of 10 g/m2 to 90 g/m2 and a Ni content of 10 mass % to 25 mass %, and containing a remainder consisting of Zn and impurities. The hot-stamping formed body includes, in a surface layer region of the steel sheet, an average grain size of prior austenite grains to 10.0 ?m or less, a Ni concentration per unit area at grain boundaries having an average crystal orientation difference of 15° or more is 1.5 mass %/?m2 or more.
    Type: Application
    Filed: May 13, 2020
    Publication date: June 23, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Daisuke MAEDA, Yuri TODA, Tomohito TANAKA, Kazuo HIKIDA
  • Publication number: 20220195567
    Abstract: A hot-stamping formed body includes: a steel sheet having a predetermined chemical composition; and a plating layer provided on a surface of the steel sheet, the plating layer having an adhesion amount of 10 g/m2 to 90 g/m2 and a Ni content of 10 mass % to 25 mass %, and containing a remainder consisting of Zn and impurities.
    Type: Application
    Filed: May 13, 2020
    Publication date: June 23, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Daisuke MAEDA, Yuri TODA, Kazuo HIKIDA
  • Patent number: 11360843
    Abstract: Systems and methods described herein are directed to minimizing the resource requirements for edge and network while keeping the accuracy of machine learning classifier by utilizing simulated test data. Once sufficient measured test data is collected by the server, the server instructs the edge computer to reduce the transmission of data received from the corresponding sensors.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: June 14, 2022
    Assignee: HITACHI, LTD.
    Inventors: Daisuke Maeda, Sudhanshu Gaur
  • Publication number: 20220170128
    Abstract: A steel sheet for hot stamping includes: a steel sheet having a predetermined chemical composition; and a plating layer provided on a surface of the steel sheet, the plating layer having an adhesion amount of 10 g/m2 to 90 g/m2 and a Ni content of 10 mass % to 25 mass %, and containing a remainder consisting of Zn and impurities. The steel sheet for hot stamping includes, in a surface layer region of the steel sheet, 80% or more by area % of grains having an average crystal orientation difference of 0.4° to 3.0° inside grains surrounded by grain boundaries having an average crystal orientation difference of 5° or more.
    Type: Application
    Filed: May 13, 2020
    Publication date: June 2, 2022
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Daisuke MAEDA, Yuri TODA, Kazuo HIKIDA