Patents by Inventor Yosuke Horiuchi
Yosuke Horiuchi 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: 10991491Abstract: In one embodiment, a permanent magnet includes a composition expressed by RpFeqMrCusCo100-p-q-r-s (R is a rare-earth element, M is at least one element selected from Zr, Ti, and Hf, 10?p?13.5 at %, 28?q?40 at %, 0.88?r?7.2 at %, and 3.5?s?13.5 at %), and a metallic structure including a cell phase having a Th2Zn17 crystal phase, and a cell wall phase. A Fe concentration (C1) in the cell phase is in a range from 28 at % to 45 at %, and a difference (C1?C2) between the Fe concentration (C1) in the cell phase and a Fe concentration (C2) in the cell wall phase is larger than 10 at %.Type: GrantFiled: January 18, 2013Date of Patent: April 27, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yosuke Horiuchi, Shinya Sakurada, Tsuyoshi Kobayashi, Keiko Okamoto, Masaya Hagiwara
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Patent number: 10951074Abstract: A permanent magnet is expressed by a composition formula: RpFeqMrCutCo100-p-q-r-t. The magnet comprises a metal structure including a main phase having a Th2Zn17 crystal phase and a grain boundary phase. The main phase includes a cell phase having the Th2Zn17 crystal phase and a Cu-rich phase. A section including a c-axis of the Th2Zn17 crystal phase has a first region in the crystal grain and a second region in the crystal grain, the first region is provided in the cell phase divided by the Cu-rich phase, the second region is provided within a range of not less than 50 nm nor more than 200 nm from the grain boundary phase in a direction perpendicular to an extension direction of the grain boundary phase, and a difference between a Cu concentration of the first region and a Cu concentration of the second region is 0.5 atomic percent or less.Type: GrantFiled: February 21, 2017Date of Patent: March 16, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yosuke Horiuchi, Shinya Sakurada, Masaya Hagiwara, Tadahiko Kobayashi, Toshihide Takahashi
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Patent number: 10943716Abstract: A high-performance permanent magnet is provided. A permanent magnet expressed by a composition formula: (R1-xAx)pFeqMrCutCo100-p-r-t. The magnet comprises a metal structure including a plurality of crystal grains which constitutes a main phase having a Th2Zn17 crystal phase, An Fe concentration of each of the crystal grains is 28 atomic % or more. A concentration difference of the element A among the crystal grains is not less than 0.2 atomic % nor more than 3.0 atomic %.Type: GrantFiled: August 25, 2017Date of Patent: March 9, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yosuke Horiuchi, Shinya Sakurada, Naoyuki Sanada
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Patent number: 10923254Abstract: A permanent magnet expressed by a composition formula: RpFeqMrCutCo100-p-q-r-t. The magnet comprises a metallic structure including crystal grains which constitutes a main phase having a Th2Zn17 crystal phase. An average value of Fe concentrations in the crystal grains of 20 or more is 28 atomic percent or more and an average value of R element concentrations in the crystal grains of 20 or more is 10 atomic percent or more.Type: GrantFiled: January 24, 2017Date of Patent: February 16, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yosuke Horiuchi, Shinya Sakurada, Masaya Hagiwara, Tsuyoshi Kobayashi, Tadahiko Kobayashi
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Patent number: 10892091Abstract: A method of manufacturing a permanent magnet comprises a solution heat treatment. The solution heat treatment includes: performing a heat treatment at a temperature TST; placing a cooling member including a first layer and a second layer on the first layer between the heater and the treatment object so that the first layer faces the treatment object; and transferring the treatment object together with the cooling member to the outside of a heating chamber, and cooling the treatment object until a temperature of the treatment object becomes a temperature lower than a temperature TST?200° C. In the step of cooling the treatment object, a cooling rate until the temperature of the treatment object becomes the temperature TST?200° C. is 5° C./s or more.Type: GrantFiled: January 24, 2017Date of Patent: January 12, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Naoyuki Sanada, Shinya Sakurada, Yosuke Horiuchi, Masaya Hagiwara, Masaki Endo, Takahiro Terada, Hideo Chikaoka
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Patent number: 10770208Abstract: A high performance permanent magnet is provided. The permanent magnet includes a composition represented by a composition formula: RpFeqMrCutCo100-p-q-r-t, and a metallic structure including cell phases having a Th2Zn17 crystal phase and Cu-rich phases having higher Cu concentration than the cell phases. An average diameter of the cell phases is 220 nm or less, and in a numeric value range from a minimum diameter to a maximum diameter of the cell phases, a ratio of a number of cell phases having a diameter in a numeric value range of less than upper 20% from the maximum diameter is 20% or less of all the cell phases.Type: GrantFiled: March 18, 2015Date of Patent: September 8, 2020Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yosuke Horiuchi, Shinya Sakurada, Keiko Okamoto, Masaya Hagiwara, Tsuyoshi Kobayashi, Masaki Endo, Tadahiko Kobayashi, Naoyuki Sanada
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Publication number: 20200270674Abstract: A method for detecting a target molecule, including supplying a liquid dispersion of a structural substance including a target molecule into a well array such that the structural substance is introduced into wells of the well array, supplying a sealing solution into the well array such that a layer of the sealing solution is formed on the liquid dispersion in the wells, and that the liquid dispersion is sealed in the wells, extracting the target molecule from the structural substance, and detecting the target molecule.Type: ApplicationFiled: May 12, 2020Publication date: August 27, 2020Applicant: TOPPAN PRINTING CO., LTD.Inventors: Takumi HIRASE, Yoichi MAKINO, Yosuke HORIUCHI
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Patent number: 10650947Abstract: The invention provides a high-performance permanent magnet. The permanent magnet has a composition that is expressed by a composition formula RpFeqMrCutCo100-p-q-r-t, where R is at least one element selected from a rare earth element, M is at least one element selected from the group consisting of Zr, Ti, and Hf, p is a number satisfying 10.8?p?12.5 atomic percent, q is a number satisfying 25?q?40 atomic percent, r is a number satisfying 0.88?r?4.5 atomic percent, and t is a number satisfying 3.5?t?13.5 atomic percent. The permanent magnet also has a metallic structure that includes a main phase having a Th2Zn17 crystal phase, and a Cu-M rich phase having a higher Cu concentration and a higher M concentration than the main phase.Type: GrantFiled: March 3, 2015Date of Patent: May 12, 2020Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yosuke Horiuchi, Shinya Sakurada, Keiko Okamoto, Masaya Hagiwara, Tsuyoshi Kobayashi, Masaki Endo, Tadahiko Kobayashi, Naoyuki Sanada
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Patent number: 10629340Abstract: In one embodiment, a permanent magnet includes: a composition expressed by RpFeqMrCusCo100-p-q-r-s (R is a rare-earth element, M is at least one element selected from Zr, Ti, and Hf, 10?p?13.5 at %, 25?q?40 at %, 1.35?r?1.75 at %, and 0.88?s?13.5 at %); and a metallic structure including Th2Zn17 crystal phases each having a Fe concentration of 25 at % or more, and Cu-rich crystal phases each having a Cu concentration of from 25 at % to 70 at %. An average thickness of the Cu-rich crystal phases is 20 nm or less, and an average distance between the Cu-rich crystal phases is 200 nm or less.Type: GrantFiled: November 11, 2013Date of Patent: April 21, 2020Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yosuke Horiuchi, Shinya Sakurada, Tsuyoshi Kobayashi, Keiko Okamoto, Masaya Hagiwara, Masaki Endo
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Patent number: 10593447Abstract: In one embodiment, a permanent magnet includes a sintered compact including: a composition expressed by a composition formula: RpFeqMrCusCo100-p-q-r-s (R is at least one element selected from rare-earth elements, M is at least one element selected from Zr, Ti, and Hf, 10?p?13.3 at %, 25?q?40 at %, 0.87?r?5.4 at %, and 3.5?s?13.5 at %); and a metallic structure having a main phase including a Th2Zn17 crystal phase, and an R-M-rich phase containing the element R whose concentration is 1.2 times or more an R concentration in the main phase and the element M whose concentration is 1.2 times or more an M concentration in the main phase. A volume fraction of the R-M-rich phase in the metallic structure is from 0.2% to 15%.Type: GrantFiled: October 31, 2013Date of Patent: March 17, 2020Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yosuke Horiuchi, Shinya Sakurada, Keiko Okamoto, Masaya Hagiwara, Tsuyoshi Kobayashi, Masaki Endo, Tadahiko Kobayashi
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Patent number: 10593448Abstract: In one embodiment, a permanent magnet includes a sintered compact having a composition expressed by a composition formula: Rp1Feq1Mr1Cus1Co100-p1-q1-r1-s1 (R is a rare-earth element, M is at least one element selected from Zr, Ti, and Hf, 10?p1?13.3 at %, 25?q1?40.0 at %, 0.88?r1?5.4 at %, and 3.5?s1?13.5 at %). The sintered compact includes crystal grains and a Cu-rich phase. The crystal grains are composed of a main phase including a Th2Zn17 crystal phase. The Cu-rich phase has a composition with a high Cu concentration and an average thickness of 0.05 ?m or more and 2 ?m or less.Type: GrantFiled: October 31, 2013Date of Patent: March 17, 2020Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yosuke Horiuchi, Shinya Sakurada, Keiko Okamoto, Masaya Hagiwara, Tsuyoshi Kobayashi, Masaki Endo, Tadahiko Kobayashi
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Patent number: 10573437Abstract: In one embodiment, a permanent magnet includes: a composition expressed by RpFeqMrCusCo100-p-q-r-s (R is a rare-earth element, M is at least one element selected from Zr, Ti, and Hf, 10.8?p?13.5 at %, 28?q?40 at %, 0.88?r?7.2 at %, and 3.5?s?13.5 at %); and a metallic structure including a cell phase having a Th2Zn17 crystal phase, and a cell wall phase. A Cu concentration in the cell wall phase is in a range from 30 at % to 70 at %.Type: GrantFiled: January 23, 2013Date of Patent: February 25, 2020Assignee: KABUSHIKI KAISHA ToshibaInventors: Yosuke Horiuchi, Shinya Sakurada, Tsuyoshi Kobayashi, Keiko Okamoto, Masaya Hagiwara
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Patent number: 10535452Abstract: A high-performance permanent magnet is provided. The magnet is expressed by a composition formula: RpFeqMrCutCo100-p-q-r-t. The magnet includes a sintered body including: a plurality of crystal grains each having a Th2Zn17 crystal phase; and a plurality of grain boundaries between the crystal grains. If an oxide phase of the R element is defined by a continuous region that is disposed in the sintered body and contains the R element and oxygen having a concentration of 85 atomic percent or more, a ratio of the number of the oxide phases in the grain boundaries to the number of the crystal grains is 1.1 or less.Type: GrantFiled: March 2, 2018Date of Patent: January 14, 2020Assignee: Kabushiki Kaisha ToshibaInventors: Masaya Hagiwara, Toshihide Takahashi, Yosuke Horiuchi, Shinya Sakurada
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Patent number: 10490325Abstract: An magnetic material is a magnetic material expressed by a composition formula: (R1-xYx)aMbTcAd, which includes a main phase consisting of a ThMn12 type crystal phase. 30 atomic percent or more of the element M in the composition formula is Fe.Type: GrantFiled: August 22, 2017Date of Patent: November 26, 2019Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Masaya Hagiwara, Tomohiro Yamashita, Naoyuki Sanada, Yosuke Horiuchi, Shinya Sakurada
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Patent number: 10480052Abstract: A permanent magnet of the embodiment includes: a composition represented by a composition formula: R(FepMqCurCtCo1-p-q-r-t)z (R is at least one element selected from rare-earth elements, M is at least one element selected from Ti, Zr and Hf, 0.27?p?0.45, 0.01?q?0.05, 0.01?r?0.1, 0.002?t?0.03, and 6?z?9); and a metallic structure including a main phase containing a Th2Zn17 crystal phase, and a sub phase of the element M having an element M concentration of 30 atomic % or more. The sub phase of the element M precipitates in the metallic structure. A ratio of a circumferential length to a precipitated area of the sub phase of the element M is 1 or more and 10 or less.Type: GrantFiled: September 1, 2016Date of Patent: November 19, 2019Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTD.Inventors: Masaya Hagiwara, Shinya Sakurada, Yosuke Horiuchi, Tadahiko Kobayashi, Tsuyoshi Kobayashi, Masaki Endo, Naoyuki Sanada, Masami Okamura, Takao Sawa, Keiichi Fuse, Satoru Habu
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Publication number: 20190221338Abstract: A permanent magnet is expressed by a composition formula: RpFeqMrCusCo100-p-q-r-s. The magnet includes a crystal grain having a main phase including a TbCu7 crystal phase, and a volume ratio of the TbCu7 crystal phase to the main phase is 95% or more.Type: ApplicationFiled: February 25, 2019Publication date: July 18, 2019Inventors: Masaya Hagiwara, Yosuke Horiuchi, Shinya Sakurada
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Patent number: 10304600Abstract: In one embodiment, a permanent magnet includes a sintered compact having a composition represented by the composition formula: RpFeqMrCusCo100-p-q-r-s (where R is at least one element selected from rare earth elements, M is at least one element selected from Zr, Ti, and Hf, p is 10.5 atomic % or more and 12.5 atomic % or less, q is 24 atomic % or more and 40 atomic % or less, r is 0.88 atomic % or more and 4.5 atomic % or less, and s is 3.5 atomic % or more and 10.7 atomic % or less. The sintered compact has a structure having crystal grains constituted of a main phase including a Th2Zn17 crystal phase, and a crystal grain boundary. In the structure of the sintered compact, an average grain diameter of the crystal grains is 25 micrometer or more, and a volume fraction of the crystal grain boundary is 14% or less.Type: GrantFiled: February 2, 2015Date of Patent: May 28, 2019Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yosuke Horiuchi, Shinya Sakurada, Keiko Okamoto, Masaya Hagiwara, Tsuyoshi Kobayashi, Masaki Endo, Tadahiko Kobayashi, Kazuomi Yoshima
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Patent number: 10263260Abstract: A method for producing an electrode catalyst for a fuel cell is provided. The electrode catalyst includes a carbon support and a catalyst supported on the carbon support. The catalyst is one of platinum and a platinum-alloy. The method includes supporting the catalyst on the carbon support; and treating the carbon support carrying the catalyst with a nitric acid and cleaning the treated carbon support, such that an amount of an acid present on the carbon support becomes in a range from 0.7 mmol to 1.31 mmol of the acid per gram of the electrode catalyst.Type: GrantFiled: July 18, 2016Date of Patent: April 16, 2019Assignees: Toyota Jidosha Kabushiki Kaisha, Cataler CorporationInventors: Tetsuo Nagami, Sozaburo Ohashi, Mikihiro Kataoka, Tomoaki Terada, Takahiro Nagata, Yosuke Horiuchi, Akihiro Hori
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Patent number: 10250085Abstract: An magnetic material is a magnetic material expressed by a composition formula 1: (R1-xYx)aMbTc, which includes a main phase consisting of a ThMn12 type crystal phase. 30 atomic percent or more of the element M in the composition formula 1 is Fe.Type: GrantFiled: February 23, 2017Date of Patent: April 2, 2019Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Masaya Hagiwara, Tomohiro Yamashita, Naoyuki Sanada, Yosuke Horiuchi, Shinya Sakurada
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Publication number: 20190060897Abstract: An analysis apparatus including a stage, an analysis device placed on the stage and including receiving sections which accommodate a sample and a reagent for biochemical reaction, and are communicated with one another through a flow path having an inlet and an outlet, a liquid introduction section which is connected to the inlet and supplies into the flow path the sample, the reagent, and an sealing liquid for sealing each of the receiving sections, and a waste liquid storage section which is connected to the outlet and stores as waste liquid an excess of the sample and the reagent and a part of the sealing liquid supplied to the flow path, an optical system which includes an objective lens, emits excitation light to the receiving sections and allows observation of fluorescence generated in the receiving sections by the excitation light, and a control unit that controls such that the sealing liquid and the excess of the sample and the reagent form an interface in the waste liquid storage section, and that theType: ApplicationFiled: October 29, 2018Publication date: February 28, 2019Applicant: TOPPAN PRINTING CO., LTD.Inventors: Yoichi MAKINO, Akihiro HOSHINO, Tomoko KUNITOMI, Keisuke GOTO, Yosuke HORIUCHI