Patents by Inventor Masaki MOCHIGI
Masaki MOCHIGI 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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Publication number: 20230352245Abstract: A multilayer ceramic electronic device includes a multilayer chip having a plurality of dielectric layers and a plurality of internal electrode layers, one end of each of the plurality of internal electrode layers being exposed from the multilayer chip, an external electrode that is provided on an end face of the multilayer chip and is electrically connected to the one end of at least some of the plurality of internal electrode layers and includes a glass component, the end face being an end of the multilayer chip in a direction in which the plurality of internal electrode layers extend. The external electrode includes a crystal contacting or extending into the glass component at an interface between the external electrode and the end face of the multilayer chip. The crystal includes an element that is the same as at least one of elements included in the plurality of dielectric layers.Type: ApplicationFiled: April 12, 2023Publication date: November 2, 2023Applicant: TAIYO YUDEN CO., LTD.Inventors: Yasuyuki INOMATA, Tetsuo SHIMURA, Masaki MOCHIGI
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Patent number: 10854388Abstract: A ceramic electronic component includes a ceramic body, a sintered metal film, and a metal terminal. The ceramic body includes internal electrodes. The sintered metal film has a joint surface having a surface roughness Ra of 0.200 ?m or less. The sintered metal film is connected to the internal electrodes and formed on a surface of the ceramic body. The metal terminal is jointed to the joint surface.Type: GrantFiled: June 15, 2018Date of Patent: December 1, 2020Assignee: TAIYO YUDEN CO., LTD.Inventors: Masaki Mochigi, Kazuya Sato, Yousuke Nakada
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Patent number: 10593478Abstract: A multilayer ceramic capacitor includes a multilayer structure wherein [t12×L1]/N?10, when a distance between a first edge that is an outermost edge of internal electrodes that is not connected to a first or second external electrode and a second edge that is an innermost edge of the internal electrodes that is not connected to the first or second external electrode is L1, each thickness of dielectric layers is t1, and a stack number of dielectric layers is N, wherein [t12×W1]/N?10, when a distance between a first edge that is positioned at outermost of the internal electrodes and a second edge that is positioned at innermost of the internal electrodes is W1, and wherein R is larger than W1, when a curvature radius of a corner of an edge of the internal electrodes is R.Type: GrantFiled: June 13, 2018Date of Patent: March 17, 2020Assignee: TAIYO YUDEN CO., LTD.Inventors: Yasuyuki Inomata, Masaki Mochigi
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Patent number: 10529487Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which internal electrodes and dielectric layers are alternately stacked; a first external electrode connected to a subset of the internal electrodes; and a second external electrode sandwiching the multilayer structure with the first external electrode in a first direction is connected to another subset of the internal electrodes, wherein t12×W1/N is equal to or more than 0.1, when a distance between a first edge positioned at outermost of the internal electrodes in a second direction intersecting with the first direction in a plane direction of the internal electrodes and the dielectric layers and a second edge positioned at innermost of the internal electrodes in the second direction is W1 (mm), each thickness of the plurality of dielectric layers is t1 (?m), and a stack number of the plurality of dielectric layers is N.Type: GrantFiled: May 24, 2017Date of Patent: January 7, 2020Assignee: TAIYO YUDEN CO., LTD.Inventors: Masaki Mochigi, Yousuke Nakada, Shinichi Tsunoda, Yasuyuki Mashimo
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Patent number: 10347428Abstract: A multilayer ceramic capacitor includes: a multilayer structure having an internal electrode and a dielectric layer alternately stacked; external electrodes provided on a first and second faces of the multilayer structure, wherein t12×L1/N is equal to or more than 0.1, when a distance between a first edge positioned at outermost of edges of the plurality of internal electrodes that are not connected to the first external electrode or the second external electrode in an array direction of the first external electrode and the second external electrode and a second edge positioned at innermost of edges of the plurality of internal electrodes that are not connected to the first external electrode or the second external electrode in the array direction is L1 (mm), each thickness of the plurality of dielectric layers is t1 (?m), and a stack number of the plurality of dielectric layers is N.Type: GrantFiled: June 27, 2017Date of Patent: July 9, 2019Assignee: TAIYO YUDEN CO., LTD.Inventors: Masaki Mochigi, Yousuke Nakada, Shinichi Tsunoda, Yasuyuki Mashimo
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Patent number: 10249905Abstract: An all-solid-state secondary battery, including: a solid electrolyte layer; a positive electrode layer including a positive electrode active material layer and a first current collector layer; a negative electrode layer including a second current collector layer, the positive electrode layer and the negative electrode layer sandwiching the solid electrolyte layer; and external electrodes connected respectively to the first current collector layer and the second current collector layer, wherein the positive electrode active material layer is formed of an olivine-type active material, wherein the solid electrolyte layer is formed of a phosphate having a NASICON-type structure, and wherein the solid electrolyte layer contains particulate precipitate having an olivine-type crystal structure that includes a same element as an element forming the positive electrode active material layer.Type: GrantFiled: November 29, 2017Date of Patent: April 2, 2019Assignee: TAIYO YUDEN CO., LTD.Inventors: Daigo Ito, Masaki Mochigi, Masataka Tomita, Toshimasa Suzuki
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Publication number: 20190006103Abstract: A ceramic electronic component includes a ceramic body, a sintered metal film, and a metal terminal. The ceramic body includes internal electrodes. The sintered metal film has a joint surface having a surface roughness Ra of 0.200 ?m or less. The sintered metal film is connected to the internal electrodes and formed on a surface of the ceramic body. The metal terminal is jointed to the joint surface.Type: ApplicationFiled: June 15, 2018Publication date: January 3, 2019Inventors: MASAKI MOCHIGI, KAZUYA SATO, YOSUKE NAKADA
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Publication number: 20180374643Abstract: A multilayer ceramic capacitor includes a multilayer structure wherein [t12×L1]/N?10, when a distance between a first edge that is an outermost edge of internal electrodes that is not connected to a first or second external electrode and a second edge that is an innermost edge of the internal electrodes that is not connected to the first or second external electrode is L1, each thickness of dielectric layers is t1, and a stack number of dielectric layers is N, wherein [t12×W1]/N?10, when a distance between a first edge that is positioned at outermost of the internal electrodes and a second edge that is positioned at innermost of the internal electrodes is W1, and wherein R is larger than W1, when a curvature radius of a corner of an edge of the internal electrodes is R.Type: ApplicationFiled: June 13, 2018Publication date: December 27, 2018Inventors: Yasuyuki INOMATA, Masaki MOCHIGI
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Publication number: 20180090784Abstract: An all-solid-state secondary battery, including: a solid electrolyte layer; a positive electrode layer including a positive electrode active material layer and a first current collector layer; a negative electrode layer including a second current collector layer, the positive electrode layer and the negative electrode layer sandwiching the solid electrolyte layer; and external electrodes connected respectively to the first current collector layer and the second current collector layer, wherein the positive electrode active material layer is formed of an olivine-type active material, wherein the solid electrolyte layer is formed of a phosphate having a NASICON-type structure, and wherein the solid electrolyte layer contains particulate precipitate having an olivine-type crystal structure that includes a same element as an element forming the positive electrode active material layer.Type: ApplicationFiled: November 29, 2017Publication date: March 29, 2018Applicant: TAIYO YUDEN CO., LTD.Inventors: Daigo ITO, Masaki MOCHIGI, Masataka TOMITA, Toshimasa SUZUKI
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Publication number: 20180012703Abstract: A multilayer ceramic capacitor includes: a multilayer structure having an internal electrode and a dielectric layer alternately stacked; external electrodes provided on a first and second faces of the multilayer structure, wherein t12×L1/N is equal to or more than 0.1, when a distance between a first edge positioned at outermost of edges of the plurality of internal electrodes that are not connected to the first external electrode or the second external electrode in an array direction of the first external electrode and the second external electrode and a second edge positioned at innermost of edges of the plurality of internal electrodes that are not connected to the first external electrode or the second external electrode in the array direction is L1 (mm), each thickness of the plurality of dielectric layers is t1 (?m), and a stack number of the plurality of dielectric layers is N.Type: ApplicationFiled: June 27, 2017Publication date: January 11, 2018Inventors: Masaki MOCHIGI, Yousuke NAKADA, Shinichi TSUNODA, Yasuyuki MASHIMO
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Patent number: 9865899Abstract: An all-solid-state secondary battery, including: a solid electrolyte layer; a positive electrode layer including a positive electrode active material layer and a first current collector layer; a negative electrode layer including a second current collector layer, the positive electrode layer and the negative electrode layer sandwiching the solid electrolyte layer; and external electrodes connected respectively to the first current collector layer and the second current collector layer, wherein the positive electrode active material layer is formed of an olivine-type active material, wherein the solid electrolyte layer is formed of a phosphate having a NASICON-type structure, and wherein the solid electrolyte layer contains particulate precipitate having an olivine-type crystal structure that includes a same element as an element forming the positive electrode active material layer.Type: GrantFiled: December 16, 2015Date of Patent: January 9, 2018Assignee: TAIYO YUDEN CO., LTD.Inventors: Daigo Ito, Masaki Mochigi, Masataka Tomita, Toshimasa Suzuki
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Publication number: 20170352483Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which internal electrodes and dielectric layers are alternately stacked; a first external electrode connected to a subset of the internal electrodes; and a second external electrode sandwiching the multilayer structure with the first external electrode in a first direction is connected to another subset of the internal electrodes, wherein t12×W1/N is equal to or more than 0.1, when a distance between a first edge positioned at outermost of the internal electrodes in a second direction intersecting with the first direction in a plane direction of the internal electrodes and the dielectric layers and a second edge positioned at innermost of the internal electrodes in the second direction is W1 (mm), each thickness of the plurality of dielectric layers is t1 (?m), and a stack number of the plurality of dielectric layers is N.Type: ApplicationFiled: May 24, 2017Publication date: December 7, 2017Inventors: Masaki MOCHIGI, Yousuke NAKADA, Shinichi TSUNODA, Yasuyuki MASHIMO
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Publication number: 20160141716Abstract: An all-solid-state secondary battery, including: a solid electrolyte layer; a positive electrode layer including a positive electrode active material layer and a first current collector layer; a negative electrode layer including a second current collector layer, the positive electrode layer and the negative electrode layer sandwiching the solid electrolyte layer; and external electrodes connected respectively to the first current collector layer and the second current collector layer, wherein the positive electrode active material layer is formed of an olivine-type active material, wherein the solid electrolyte layer is formed of a phosphate having a NASICON-type structure, and wherein the solid electrolyte layer contains particulate precipitate having an olivine-type crystal structure that includes a same element as an element forming the positive electrode active material layer.Type: ApplicationFiled: December 16, 2015Publication date: May 19, 2016Applicant: TAIYO YUDEN CO., LTD.Inventors: Daigo ITO, Masaki MOCHIGI, Masataka TOMITA, Toshimasa SUZUKI
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Patent number: 8758940Abstract: A lithium-titanium complex oxide containing Li4Ti5O12 is characterized in that, based on SEM observation, the number-based percentage of particles whose size is less than 0.1 ?m is 5 to 15% or 40 to 65%, the number-based percentage of particles whose size is 0.3 to 1.5 ?m is 15 to 30%, the specific surface area measured by the BET method is 5.8 to 10.1 m2/g, and the average particle size D50 according to the particle size distribution measured by laser diffraction measurement is preferably 0.6 to 1.5 ?m.Type: GrantFiled: November 28, 2012Date of Patent: June 24, 2014Assignee: Taiyo Yuden Co., Ltd.Inventors: Keiko Shiroki, Chie Kawamura, Daigo Ito, Akitoshi Wagawa, Masaki Mochigi, Toshimasa Suzuki
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Patent number: 8741172Abstract: A lithium-titanium complex oxide whose total water generation amount and total carbon dioxide generation amount measured by thermal decomposition GC-MS are preferably 1500 wt ppm or less and 2000 wt ppm or less, respectively, is obtained by subjecting a mixture of titanium compound and lithium compound to a heat treatment at 600° C. or above, cooling the obtained reaction product to 50° C. or below, and then subjecting the cooled reaction product to a reheat treatment involving heating to the maximum temperature of 300 to 700° C. and then cooling, wherein the dew point of the ambience of the reheat treatment is controlled at ?30° C. or below at a temperature of 200° C. or above.Type: GrantFiled: November 28, 2012Date of Patent: June 3, 2014Assignee: Taiyo Yuden Co., Ltd.Inventors: Daigo Ito, Chie Kawamura, Masaki Mochigi, Toshimasa Suzuki
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Publication number: 20130343983Abstract: A lithium-titanium complex oxide whose total water generation amount and total carbon dioxide generation amount measured by thermal decomposition GC-MS are preferably 1500 wt ppm or less and 2000 wt ppm or less, respectively, is obtained by subjecting a mixture of titanium compound and lithium compound to a heat treatment at 600° C. or above, cooling the obtained reaction product to 50° C. or below, and then subjecting the cooled reaction product to a reheat treatment involving heating to the maximum temperature of 300 to 700° C. and then cooling, wherein the dew point of the ambience of the reheat treatment is controlled at ?30° C. or below at a temperature of 200° C. or above.Type: ApplicationFiled: November 28, 2012Publication date: December 26, 2013Applicant: TAIYO YUDEN CO., LTD.Inventors: Daigo ITO, Chie KAWAMURA, Masaki MOCHIGI, Toshimasa SUZUKI
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Publication number: 20130260251Abstract: A lithium-titanium complex oxide containing Li4Ti5O12 is characterized in that, based on SEM observation, the number-based percentage of particles whose size is less than 0.1 ?m is 5 to 15% or 40 to 65%, the number-based percentage of particles whose size is 0.3 to 1.5 ?m is 15 to 30%, the specific surface area measured by the BET method is 5.8 to 10.1 m2/g, and the average particle size D50 according to the particle size distribution measured by laser diffraction measurement is preferably 0.6 to 1.5 ?m.Type: ApplicationFiled: November 28, 2012Publication date: October 3, 2013Applicant: TAIYO YUDEN CO., LTD.Inventors: Keiko SHIROKI, Chie KAWAMURA, Daigo ITO, Akitoshi WAGAWA, Masaki MOCHIGI, Toshimasa SUZUKI