Patents by Inventor Takahiro Fuji

Takahiro Fuji 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: 11319167
    Abstract: A flotation conveyance apparatus according to an embodiment includes a flotation unit for floating a substrate by ejecting a gas to a lower surface of the substrate. The flotation unit includes a plurality of ejecting ports provided on a surface facing the substrate and configured to eject the gas, and slits penetrating the flotation unit in a vertical direction. The flotation conveyance apparatus is configured in such a way that the gas staying between a surface of the flotation unit facing the substrate and the substrate is discharged to a lower surface side of the flotation unit through the slits.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: May 3, 2022
    Assignee: JSW AKTINA SYSTEM CO., LTD.
    Inventors: Takahiro Fuji, Yoshihiro Yamaguchi
  • Publication number: 20210362273
    Abstract: A laser processing apparatus according to an embodiment includes a laser light irradiation unit and a conveying stage capable of allowing a substrate to float and convey. The conveying stage includes: a laser light irradiation region; and a substrate conveying region separated from the laser light irradiation region, a surface of the laser light irradiation region facing the substrate is configured by a first member from which a first gas is capable of jetting out to float the substrate, a surface of the substrate conveying region facing the substrate is configured by a plurality of second members from which a second gas is capable of jetting out to float the substrate, and the plurality of second members in the substrate conveying region are disposed to be separated from each other.
    Type: Application
    Filed: March 25, 2019
    Publication date: November 25, 2021
    Inventors: Yuki SUZUKI, Yoshihiro YAMAGUCHI, Takahiro FUJI, Takahiro MIKAMI
  • Publication number: 20210261358
    Abstract: A flotation conveyance apparatus according to an embodiment includes a flotation unit for floating a substrate by ejecting a gas to a lower surface of the substrate. The flotation unit includes a plurality of ejecting ports provided on a surface facing the substrate and configured to eject the gas, and slits penetrating the flotation unit in a vertical direction. The flotation conveyance apparatus is configured in such a way that the gas staying between a surface of the flotation unit facing the substrate and the substrate is discharged to a lower surface side of the flotation unit through the slits.
    Type: Application
    Filed: February 10, 2021
    Publication date: August 26, 2021
    Applicant: THE JAPAN STEEL WORKS, LTD.
    Inventors: Takahiro FUJI, Yoshihiro YAMAGUCHI
  • Publication number: 20210261359
    Abstract: A flotation conveyance apparatus according to an embodiment is for conveying a substrate while floating the substrate by ejecting a gas to a lower surface of the substrate. The flotation conveyance apparatus includes a plurality of ejecting ports configured to eject the gas to the substrate, a downstream flow-path configured to supply the gas to the plurality of ejecting ports, a upstream flow-path configured to supply the gas to the downstream flow-path, and a gas supply port configured to supply the gas to the downstream flow-path. A cross-sectional area of the upstream flow-path is configured to be larger than a cross-sectional area of the downstream flow-path.
    Type: Application
    Filed: February 10, 2021
    Publication date: August 26, 2021
    Applicant: THE JAPAN STEEL WORKS, LTD.
    Inventors: Takahiro FUJI, Yoshihiro YAMAGUCHI
  • Publication number: 20210252635
    Abstract: A flotation conveyance apparatus according to an embodiment conveys a substrate while floating the substrate by ejecting a gas to a lower surface of the substrate. The flotation conveyance apparatus includes an upper plate disposed on the substrate side including a plurality of ejecting ports for ejecting the gas and a lower plate disposed under the upper plate. Flow-paths for supplying the gas to the plurality of ejecting ports are provided on at least one of the upper plate and the lower plate.
    Type: Application
    Filed: January 14, 2021
    Publication date: August 19, 2021
    Applicant: THE JAPAN STEEL WORKS, LTD.
    Inventors: Takahiro FUJI, Yoshihiro YAMAGUCHI, Takashi NAGAI
  • Publication number: 20210159100
    Abstract: A laser irradiation apparatus (1) according to an embodiment includes a laser generation device (14) configured to generate laser light, a levitation unit (10) configured to levitate an object to be processed (16) to which the laser light is applied, and a conveyance unit (11) configured to convey the levitated object to be processed (16). The conveyance unit (11) includes a holding mechanism (12) for holding the object to be processed (16) by absorbing the object to be processed (16), and a moving mechanism (13) for moving the holding mechanism (12) in a conveyance direction.
    Type: Application
    Filed: February 5, 2021
    Publication date: May 27, 2021
    Inventors: Hiroaki IMAMURA, Takahiro FUJI, Yoshihiro YAMAGUCHI
  • Publication number: 20210114099
    Abstract: A porous titanium-based sintered body, having a porosity of 50% to 75%, an average pore diameter of 23 ?m to 45 ?m, and a specific surface area of 0.020 m2/g to 0.065 m2/g, and having a bending strength of 22 MPa or more. According to the present invention, a porous titanium-based sintered body having a high porosity, a large specific surface area and a large average pore diameter and thereby having good gas permeability or liquid permeability, and further having a high strength can be provided.
    Type: Application
    Filed: March 13, 2019
    Publication date: April 22, 2021
    Applicant: TOHO TITANIUM CO., LTD.
    Inventors: Yasuhiko Goto, Shogo Tsumagari, Takahiro Fuji
  • Patent number: 10950474
    Abstract: A laser irradiation apparatus includes a laser generation device, a levitation unit to levitate an object to which the laser light is applied, and a conveyance unit to convey the levitated object. The conveyance unit includes a holding mechanism for holding the object by absorption, and a moving mechanism for moving the holding mechanism in a conveyance direction. The holding mechanism includes a base including a plurality of through holes, a plurality of pipes respectively connected to the through holes, a vacuum generation device configured to evacuate air from the f pipes, and a plurality of absorption assistance valves each disposed in the middle of a respective one of the pipes, each of the plurality of absorption assistance valves being configured to be closed when a flow rate of a gas flowing into the pipe through the through hole becomes equal to or higher than a threshold.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: March 16, 2021
    Assignee: THE JAPAN STEEL WORKS, LTD.
    Inventors: Hiroaki Imamura, Takahiro Fuji, Yoshihiro Yamaguchi
  • Publication number: 20210016352
    Abstract: A porous titanium-based sintered body, having a porosity of 45% to 65%, an average pore diameter of 5 ?m to 15 ?m, and a bending strength of 100 MPa or more. According to the present invention, a porous titanium-based sintered body having good pore diameter and porosity that are compatible with each other and having a high strength can be provided.
    Type: Application
    Filed: March 18, 2019
    Publication date: January 21, 2021
    Applicant: TOHO TITANIUM CO., LTD.
    Inventors: Yasuhiko Goto, Shogo Tsumagari, Takahiro Fuji
  • Publication number: 20200219724
    Abstract: A laser irradiation apparatus (1) according to an embodiment includes a laser generation device (14) configured to generate laser light, and a levitation unit (10) configured to levitate an object to be processed (16) to which the laser light is applied. The levitation unit (10) includes a first area and a second area, and the first and second areas are arranged so that, in a plane view, a focal point of the laser light overlaps the first area and the focal point of the laser light does not overlap the second area. A surface part of the second area is formed of a metal member.
    Type: Application
    Filed: February 16, 2018
    Publication date: July 9, 2020
    Inventors: Yuki SUZUKI, Takahiro FUJI, Takahiro MIKAMI, Yoshihiro YAMAGUCHI, Ryo SHIMIZU
  • Patent number: 10654508
    Abstract: A steering wheel decorative member that is configured to be attached corresponding to a resin member covering a periphery of a ring core of a steering wheel. The decorative member includes a base member constituting a design part, a heater provided on a back surface of the base member and an attachment part that is configured to attach the base member to the resin member. The attachment part is configured so as to electrically connect a terminal of the heater to a power supply side terminal provided in the resin member.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: May 19, 2020
    Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventor: Takahiro Fuji
  • Publication number: 20200006096
    Abstract: A laser irradiation apparatus includes a laser generation device, a levitation unit to levitate an object to which the laser light is applied, and a conveyance unit to convey the levitated object. The conveyance unit includes a holding mechanism for holding the object by absorption, and a moving mechanism for moving the holding mechanism in a conveyance direction. The holding mechanism includes a base including a plurality of through holes, a plurality of pipes respectively connected to the through holes, a vacuum generation device configured to evacuate air from the f pipes, and a plurality of absorption assistance valves each disposed in the middle of a respective one of the pipes, each of the plurality of absorption assistance valves being configured to be closed when a flow rate of a gas flowing into the pipe through the through hole becomes equal to or higher than a threshold.
    Type: Application
    Filed: August 18, 2017
    Publication date: January 2, 2020
    Inventors: Hiroaki IMAMURA, Takahiro FUJI, Yoshihiro YAMAGUCHI
  • Patent number: 10446426
    Abstract: The invention is an atmosphere formation apparatus that is provided in a floatation conveyance apparatus, the floatation conveyance apparatus conveying a workpiece while performing floating support of the workpiece by gas injection, the atmosphere formation apparatus including a small-range atmosphere formation device that forms a small-range atmosphere B in a large-range atmosphere A, the large-range atmosphere A being an atmosphere in a large-range region containing a conveyance path along which the conveyance is performed, the small-range atmosphere B being an atmosphere in a small-range region containing the conveyance path, the small-range atmosphere B being different from the large-range atmosphere A.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: October 15, 2019
    Assignee: THE JAPAN STEEL WORKS, LTD.
    Inventors: Takahiro Fuji, Ryo Shimizu
  • Publication number: 20190262940
    Abstract: According to one embodiment, a laser lift-off apparatus (1) which irradiates with laser light (16) from a side of a substrate (11) an interface between the substrate (11) and a separating layer (12) of a workpiece (10) including the substrate (11) and the separating layer (12) formed over the substrate (11), and separates the separating layer (12) from the substrate (11) includes: an injection unit (22) which blows a gas (35) onto the workpiece (10) and blows away dusts existing on a surface of the workpiece (10), and a dust collecting unit (23) which includes an opening (52) at a position meeting an irradiation position of the laser light (16), and sucks and collects the blown dusts through the opening (52).
    Type: Application
    Filed: June 7, 2017
    Publication date: August 29, 2019
    Inventors: Yuichi NAKADA, Takahiro FUJI, Tomoya ODA
  • Publication number: 20190193200
    Abstract: A laser irradiation apparatus (1) according to one embodiment irradiates a workpiece (16) with a laser beam (15) while conveying the workpiece (16) caused to float with the use of a flotation unit (10). The flotation unit (10) includes precision float regions (11a, 11b) and rough float regions (13a to 13j). The precision float regions (11a, 11b) are configured to cause the workpiece (16) to float by utilizing ejection and suction of a gas, and the rough float regions are configured to cause the workpiece (16) to float by utilizing ejection of a gas without suction of a gas.
    Type: Application
    Filed: June 2, 2017
    Publication date: June 27, 2019
    Inventors: Takahiro FUJI, Yuki SUZUKI, Takahiro MIKAMI, Yoshihiro YAMAGUCHI
  • Publication number: 20190198326
    Abstract: A laser irradiation apparatus (1) according to one embodiment includes a laser generating device (14) that generates a laser beam, a flotation unit (10) that causes a workpiece (16) that is to be irradiated with the laser beam to float, and a conveying unit (11) that conveys the floating workpiece (16). The conveying unit (11) conveys the workpiece (16) with the conveying unit (11) holding the workpiece (16) at a position where the conveying unit (11) does not overlap an irradiation position (15) of the laser beam. The laser irradiation apparatus (1) according to one embodiment makes it possible to suppress uneven irradiation with a laser beam.
    Type: Application
    Filed: June 2, 2017
    Publication date: June 27, 2019
    Inventors: Takahiro MIKAMI, Takahiro FUJI, Yuki SUZUKI, Yoshihiro YAMAGUCHI
  • Publication number: 20180033664
    Abstract: The invention is an atmosphere formation apparatus that is provided in a floatation conveyance apparatus, the floatation conveyance apparatus conveying a workpiece while performing floating support of the workpiece by gas injection, the atmosphere formation apparatus including a small-range atmosphere formation device that forms a small-range atmosphere B in a large-range atmosphere A, the large-range atmosphere A being an atmosphere in a large-range region containing a conveyance path along which the conveyance is performed, the small-range atmosphere B being an atmosphere in a small-range region containing the conveyance path, the small-range atmosphere B being different from the large-range atmosphere A.
    Type: Application
    Filed: January 27, 2016
    Publication date: February 1, 2018
    Applicant: THE JAPAN STEEL WORKS, LTD.
    Inventors: Takahiro FUJI, Ryo SHIMIZU
  • Publication number: 20040054667
    Abstract: A control unit 9 examines the update status of each Web site 11 which are stored as bookmarks in a URL memory 6, the congestion status of a network 2, and the congestion status of a network server apparatus 13 of a user's provider and the like. The control unit 9, based on this examination result, arranges an object corresponding to that Web site by changing the distance (depth) from the viewpoint in accordance with the response of the Web site 11, and displays by changing the height of the object according to the update status. Furthermore, the control unit 9 displays by changing the patterns of each object in accordance with the congestion status of the Web site which corresponds to that object, and displays by changing the weather of virtual space in accordance with the busy status of the network 2. This allows image display of the update status of the Web site to which a bookmark is attached, and the congestion status of the network and the like by using predetermined objects.
    Type: Application
    Filed: October 21, 2003
    Publication date: March 18, 2004
    Inventors: Tomokazu Kake, Keiso Shimakawa, Takahiro Fuji, Yuta Kimura, Hidehisa Onai, Yousuke Kimoto, Hiromasa Horie, Toyoshi Okada, Shigeru Enomoto, Muneki Shimada, Shuji Hiramatsu, Masakazu Suzuoki, Akio Ohba