Patents by Inventor Yosuke Mukai
Yosuke Mukai 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: 11967641Abstract: According to one embodiment, a semiconductor device includes first to third electrodes, first to third nitride regions, and first and second insulating films. The first nitride region includes Alx1Ga1?x1N, and includes first and second partial regions, a third partial region between the first and second partial regions, a fourth partial region between the first and third partial regions, and a fifth partial region between the third and second partial regions. The first nitride region includes first to fifth partial regions. The second nitride region includes Alx2Ga1?x2N, and sixth and seventh partial regions. At least a portion of the third electrode is between the sixth and seventh partial regions. The first insulating film includes silicon and oxygen and includes first and second insulating regions. The third nitride region includes Alx3Ga1?x3N, and first to seventh portions. The second insulating film includes silicon and oxygen and includes third to seventh insulating regions.Type: GrantFiled: April 26, 2023Date of Patent: April 23, 2024Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventors: Daimotsu Kato, Yosuke Kajiwara, Akira Mukai, Aya Shindome, Hiroshi Ono, Masahiko Kuraguchi
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Patent number: 11905848Abstract: To provide a turbine blade, a manufacturing method for a turbine blade, and a gas turbine. In the turbine blade including a cooling passage provided along a blade height direction, the cooling passage includes: a first cooling hole including one end opening toward a front end, and having an inner diameter that is constant along the blade height direction; and a second cooling hole including one end communicating with the other end of the first cooling hole without a level difference, and having an inner diameter that is increased toward a base end. A length from the one end of the first cooling hole to a position where the first cooling hole and the second cooling hole are communicated with is 40% to 60% of a length from the one end of the first cooling hole to a gas path surface on the base end.Type: GrantFiled: June 1, 2020Date of Patent: February 20, 2024Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Masayoshi Hatta, Keita Takamura, Susumu Wakazono, Takashi Fujii, Hiroyuki Otomo, Yosuke Mukai, Kazuhisa Tamura, Takaaki Oda, Hiroshi Kawasaki, Hiroyuki Kishihara
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Publication number: 20220170376Abstract: To provide a turbine blade, a manufacturing method for a turbine blade, and a gas turbine. In the turbine blade including a cooling passage provided along a blade height direction, the cooling passage includes: a first cooling hole including one end opening toward a front end, and having an inner diameter that is constant along the blade height direction; and a second cooling hole including one end communicating with the other end of the first cooling hole without a level difference, and having an inner diameter that is increased toward a base end. A length from the one end of the first cooling hole to a position where the first cooling hole and the second cooling hole are communicated with is 40% to 60% of a length from the one end of the first cooling hole to a gas path surface on the base end.Type: ApplicationFiled: June 1, 2020Publication date: June 2, 2022Inventors: Masayoshi HATTA, Keita TAKAMURA, Susumu WAKAZONO, Takashi FUJII, Hiroyuki OTOMO, Yosuke MUKAI, Kazuhisa TAMURA, Takaaki ODA, Hiroshi KAWASAKI, Hiroyuki KISHIHARA
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Patent number: 9981331Abstract: In order to easily form curved holes and straight holes of desired shapes, an electrochemical machining tool of the present invention comprises a tool body including: an electrode made from an electrically conductive material in a cylindrical shape extending along an axial line and having flexibility, an electrolytic solution flowing through an internal flow channel of the electrode toward a tip side; and an insulating layer coated on an outer circumferential face of the electrode so as to expose the tip of the electrode. A fluid outflow hole is formed in the tool body, passing through the tool body in a radial direction and guiding the electrolytic solution flowing through the flow channel outward in the radial direction, and the electrochemical machining tool further comprises a tube-shaped member selectively opening and closing the fluid outflow hole.Type: GrantFiled: February 14, 2014Date of Patent: May 29, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kazuhisa Tamura, Yosuke Mukai, Shin Asano, Tetsuhei Kobayashi, Tomofumi Shintani
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Patent number: 9943919Abstract: Provided is an electrochemical machining apparatus, which includes an electrode (3) that form of a shape which a tube shape is extended, including a flexible conductive material, and is which an electrolyte (W) circulates from a base end side (3b) thereof toward a distal end side (3a) thereof, a current supply unit (6) that causes electric current to flow with respect to the electrode (3) in an extending direction (direction running the Y direction) in which the electrode (3) extends, and a magnetic field generation unit (7) that includes at least one pair of magnets (9) which are disposed to face the electrodes (3) a direction and apply a magnetic field in a direction (X direction) intersecting the extending direction with respect to the electrodes (3).Type: GrantFiled: October 9, 2013Date of Patent: April 17, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Tetsuhei Kobayashi, Shin Asano, Kazuhisa Tamura, Yosuke Mukai, Tomofumi Shintani
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Patent number: 9889515Abstract: An electrochemical machining tool (3) includes a tool body (10) which has an electrode (11) which is made of a flexible conductive material having a cylindrical shape extending along an axis (O), and inside which an electrolyte (W) flows toward a leading end (10a) side, and an insulating layer (12) coated on an outer circumferential surface of the electrode (11) to expose a leading end surface of the electrode (11), wherein a non-insulation section (15) which exposes the outer circumferential surface of the electrode (11) is formed on the tool body (11), and the non-insulation section (15) is surrounded by the insulating layer (12) from an axial (O) direction.Type: GrantFiled: February 14, 2014Date of Patent: February 13, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yosuke Mukai, Kazuhisa Tamura, Shin Asano, Tetsuhei Kobayashi, Tomofumi Shintani
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Patent number: 9878388Abstract: The present invention is an electrochemical machining tool equipped with a tool body that comprises: an electrode that extends along an axial line and inside which a flow channel through which an electrolytic solution flows towards the tip end is formed; an insulating layer covering the outer circumferential surface of the electrode so as to expose the tip end face of the electrode; and a flow channel-partitioning part for partitioning the flow channel into a first flow channel containing the axial line and a second flow channel positioned on the outer circumferential side of the first flow channel. The electrochemical machining tool has a configuration in which a fluid outflow section for directing electrolytic solution, which is flowing through the second flow channel, outward in the radial direction of the tool body is formed on a portion of the circumference of the tool body.Type: GrantFiled: December 4, 2013Date of Patent: January 30, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yosuke Mukai, Kazuhisa Tamura, Shin Asano, Tetsuhei Kobayashi, Tomofumi Shintani
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Publication number: 20160303673Abstract: In order to easily form curved holes and straight holes of desired shapes, an electrochemical machining tool of the present invention comprises a tool body including: an electrode made from an electrically conductive material in a cylindrical shape extending along an axial line and having flexibility, an electrolytic solution flowing through an internal flow channel of the electrode toward a tip side; and an insulating layer coated on an outer circumferential face of the electrode so as to expose the tip of the electrode. A fluid outflow hole is formed in the tool body, passing through the tool body in a radial direction and guiding the electrolytic solution flowing through the flow channel outward in the radial direction, and the electrochemical machining tool further comprises a tube-shaped member selectively opening and closing the fluid outflow hole.Type: ApplicationFiled: February 14, 2014Publication date: October 20, 2016Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kazuhisa TAMURA, Yosuke MUKAI, Shin ASANO, Tetsuhei KOBAYASHI, Tomofumi SHINTANI
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Patent number: 9403227Abstract: An electrochemical machining tool includes a tool main body which includes an electrode having a tubular shape extending along an axis and formed of a conductive material having flexibility, the electrode through which an electrolyte flows toward a distal end side, and an insulating layer coated on an outer circumferential surface of the electrode so as to expose a distal end surface of the electrode. In the electrochemical machining tool, a hole part serving as a fluid discharge part configured to discharge the electrolyte flowing through inside of the electrode toward the outside in the radial direction of the tool main body is formed at a portion of a position in the circumferential direction of the tool main body.Type: GrantFiled: November 28, 2012Date of Patent: August 2, 2016Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kazuhisa Tamura, Yosuke Mukai, Shin Asano, Tetsuhei Kobayashi
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Publication number: 20160074951Abstract: An electrochemical machining tool (3) includes a tool body (10) which has an electrode (11) which is made of a flexible conductive material having a cylindrical shape extending along an axis (O), and inside which an electrolyte (W) flows toward a leading end (10a) side, and an insulating layer (12) coated on an outer circumferential surface of the electrode (11) to expose a leading end surface of the electrode (11), wherein a non-insulation section (15) which exposes the outer circumferential surface of the electrode (11) is formed on the tool body (11), and the non-insulation section (15) is surrounded by the insulating layer (12) from an axial (O) direction.Type: ApplicationFiled: February 14, 2014Publication date: March 17, 2016Inventors: Yosuke MUKAI, Kazuhisa TAMURA, Shin ASANO, Tetsuhei KOBAYASHI, Tomofumi SHINTANI
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Publication number: 20150273602Abstract: The present invention is an electrochemical machining tool equipped with a tool body that comprises: an electrode that extends along an axial line and inside which a flow channel through which an electrolytic solution flows towards the tip end is formed; an insulating layer covering the outer circumferential surface of the electrode so as to expose the tip end face of the electrode; and a flow channel-partitioning part for partitioning the flow channel into a first flow channel containing the axial line and a second flow channel positioned on the outer circumferential side of the first flow channel. The electrochemical machining tool has a configuration in which a fluid outflow section for directing electrolytic solution, which is flowing through the second flow channel, outward in the radial direction of the tool body is formed on a portion of the circumference of the tool body.Type: ApplicationFiled: December 4, 2013Publication date: October 1, 2015Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yosuke Mukai, Kazuhisa Tamura, Shin Asano, Tetsuhei Kobayashi, Tomofumi Shintani
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Publication number: 20150251262Abstract: Provided is an electrochemical machining apparatus, which includes an electrode (3) that form of a shape which a tube shape is extended, including a flexible conductive material, and is which an electrolyte (W) circulates from a base end side (3b) thereof toward a distal end side (3a) thereof, a current supply unit (6) that causes electric current to flow with respect to the electrode (3) in an extending direction (direction running the Y direction) in which the electrode (3) extends, and a magnetic field generation unit (7) that includes at least one pair of magnets (9) which are disposed to face the electrodes (3) a direction and apply a magnetic field in a direction (X direction) intersecting the extending direction with respect to the electrodes (3).Type: ApplicationFiled: October 9, 2013Publication date: September 10, 2015Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Tetsuhei Kobayashi, Shin Asano, Kazuhisa Tamura, Yosuke Mukai, Tomofumi Shintani
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Publication number: 20150231717Abstract: An electrochemical machining tool includes a tool main body which includes an electrode having a tubular shape extending along an axis and formed of a conductive material having flexibility, the electrode through which an electrolyte flows toward a distal end side, and an insulating layer coated on an outer circumferential surface of the electrode so as to expose a distal end surface of the electrode. In the electrochemical machining tool, a hole part serving as a fluid discharge part configured to discharge the electrolyte flowing through inside of the electrode toward the outside in the radial direction of the tool main body is formed at a portion of a position in the circumferential direction of the tool main body.Type: ApplicationFiled: November 28, 2012Publication date: August 20, 2015Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kazuhisa Tamura, Yosuke Mukai, Shin Asano, Tetsuhei Kobayashi
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Patent number: RE49962Abstract: According to one embodiment, a semiconductor device includes first and second regions, a first insulating portion, and first, second, and third electrodes. The first region includes first and second partial regions, and a third partial region between the first and second partial regions. The second region includes fourth and fifth partial regions. The fourth partial region overlaps the first partial region. The fifth partial region overlaps the second partial region. The first insulating portion includes first, second, and third insulating regions. The first insulating region is provided between the second insulating region and the third partial region and between the third insulating region and the third partial region. The first electrode is electrically connected to the fourth partial region. The second electrode is away from the first electrode and is electrically connected to the fifth partial region. The third electrode is provided between the first and second electrodes.Type: GrantFiled: April 29, 2022Date of Patent: May 7, 2024Assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage CorporationInventors: Masahiko Kuraguchi, Yosuke Kajiwara, Aya Shindome, Hiroshi Ono, Daimotsu Kato, Akira Mukai