Patents by Inventor Hikaru HIRABAYASHI
Hikaru HIRABAYASHI 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: 11817270Abstract: A multilayer capacitor includes an element body, and a pair of side surfaces and a pair of main surfaces; and a pair of external electrodes. The element body includes an inner layer portion in which a plurality of internal electrodes and a plurality of dielectric layers are alternately stacked in a second direction where the pair of main surfaces face each other, and a pair of outer layer portions disposed outside the inner layer portion in the second direction. On at least one of the pair of end surfaces, the internal electrode of the inner layer portion protrudes outward in the first direction from the outer layer portion by a predetermined protrusion amount. A ratio of the protrusion amount to a dimension of the element body in the second direction ranges from 11,000 ppm to 16,000 ppm.Type: GrantFiled: February 28, 2022Date of Patent: November 14, 2023Assignee: TDK CORPORATIONInventors: Hikaru Hirabayashi, Daisuke Yoshida, Masato Kimura
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Publication number: 20220285102Abstract: A multilayer capacitor includes an element body, and a pair of side surfaces and a pair of main surfaces; and a pair of external electrodes. The element body includes an inner layer portion in which a plurality of internal electrodes and a plurality of dielectric layers are alternately stacked in a second direction where the pair of main surfaces face each other, and a pair of outer layer portions disposed outside the inner layer portion in the second direction. On at least one of the pair of end surfaces, the internal electrode of the inner layer portion protrudes outward in the first direction from the outer layer portion by a predetermined protrusion amount. A ratio of the protrusion amount to a dimension of the element body in the second direction ranges from 11,000 ppm to 16,000 ppm.Type: ApplicationFiled: February 28, 2022Publication date: September 8, 2022Applicant: TDK CORPORATIONInventors: Hikaru HIRABAYASHI, Daisuke YOSHIDA, Masato KIMURA
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Publication number: 20220285093Abstract: A multilayer capacitor includes an element body haying a pair of end surfaces, and a pair of side surfaces and a pair of main surfaces; and a pair of external electrodes. The element body includes an inner layer portion in which a plurality of internal electrodes and a plurality of dielectric layers are alternately stacked in a second direction where the pair of main surfaces face each other, and a pair of outer layer portions disposed outside the inner layer portion in the second direction. On at least one of the pair of end surfaces, the internal electrode of the inner layer portion protrudes outward in the first direction from the outer layer portion by a predetermined protrusion amount. A ratio of the protrusion amount to a dimension of one outer layer portion in the second direction ranges from 96,000 ppm to 176,000 ppm.Type: ApplicationFiled: February 28, 2022Publication date: September 8, 2022Applicant: TDK CORPORATIONInventors: Hikaru HIRABAYASHI, Daisuke YOSHIDA, Masato KIMURA
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Patent number: 11437189Abstract: A multilayer capacitor 1 includes an element body, an external electrode, and a plurality of internal electrodes. The plurality of internal electrodes include electrode portions disposed to face other internal electrodes and connecting portions connecting the electrode portions to the external electrode. The connecting portions of the internal electrodes are positioned in a region corresponding to an end surface when viewed from a direction perpendicular to the end surface. The electrode portions of the internal electrodes have portions overlapping a region corresponding to an edge line surfaces when viewed from the direction perpendicular to the end surface.Type: GrantFiled: January 28, 2021Date of Patent: September 6, 2022Assignee: TDK CORPORATIONInventors: Daisuke Yoshida, Hikaru Hirabayashi, Yuki Takahashi, Takuto Okamoto, Masato Kimura
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Patent number: 11417465Abstract: A multilayer capacitor includes an element body, an external electrode, and a plurality of internal electrodes, and a relationship of R1<T is satisfied in a first cross section extending in a direction in which the pair of end surfaces face each other, extending in a lamination direction of the plurality of internal electrodes, and including an electrode portions and a connecting portions when a radius of curvature of an edge line surface is R1 and a thickness between the side surface and the internal electrode at a position at which the side surface and the internal electrode are closest to each other in the lamination direction is T.Type: GrantFiled: January 28, 2021Date of Patent: August 16, 2022Assignee: TDK CORPORATIONInventors: Daisuke Yoshida, Yuki Takahashi, Hikaru Hirabayashi, Takuto Okamoto, Masato Kimura
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Publication number: 20210257160Abstract: A multilayer capacitor 1 includes an element body 3, an external electrode 5, and a plurality of internal electrodes 7 and 9. The plurality of internal electrodes 7 and 9 include electrode portions 7a and 9a disposed to face other internal electrodes and connecting portions 7b and 9b connecting the electrode portions 7a and 9a to the external electrode 5. The connecting portions 7b and 9b of the internal electrodes 7 and 9 are positioned in a region corresponding to an end surface 3e when viewed from a direction perpendicular to the end surface 3e. The electrode portions 7a and 9a of the internal electrodes 7 and 9 have portions overlapping a region corresponding to an edge line surfaces 3g and 3i when viewed from the direction perpendicular to the end surface 3e.Type: ApplicationFiled: January 28, 2021Publication date: August 19, 2021Applicant: TDK CORPORATIONInventors: Daisuke YOSHIDA, Hikaru HIRABAYASHI, Yuki TAKAHASHI, Takuto OKAMOTO, Masato KIMURA
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Publication number: 20210257161Abstract: A multilayer capacitor includes an element body, an external electrode, and a plurality of internal electrodes, and a relationship of R1<T is satisfied in a first cross section extending in a direction in which the pair of end surfaces face each other, extending in a lamination direction of the plurality of internal electrodes, and including an electrode portions and a connecting portions when a radius of curvature of an edge line surface is R1 and a thickness between the side surface and the internal electrode at a position at which the side surface and the internal electrode are closest to each other in the lamination direction is T.Type: ApplicationFiled: January 28, 2021Publication date: August 19, 2021Applicant: TDK CORPORATIONInventors: Daisuke YOSHIDA, Yuki TAKAHASHI, Hikaru HIRABAYASHI, Takuto OKAMOTO, Masato KIMURA
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Patent number: 10475587Abstract: A first external electrode is disposed on an end surface. A second external electrode is disposed on a side surface. The first external electrode includes a first sintered electrode layer, a second sintered electrode layer disposed on the first sintered electrode layer, and a plated layer disposed on the second sintered electrode layer. The second external electrode includes a third sintered electrode layer and a plated layer disposed on the third sintered electrode layer. The first, second, and third sintered electrode layers include a void. A void fraction of each of the first and third sintered electrode layers is larger than a void fraction of the second sintered electrode layer.Type: GrantFiled: February 23, 2018Date of Patent: November 12, 2019Assignee: TDK CORPORATIONInventors: Toru Onoue, Daisuke Himeta, Hikaru Hirabayashi, Fumiaki Satoh, Yuma Hattori, Takuto Okamoto
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Publication number: 20180286583Abstract: A first external electrode is disposed on an end surface. A second external electrode is disposed on a side surface. The first external electrode includes a first sintered electrode layer, a second sintered electrode layer disposed on the first sintered electrode layer, and a plated layer disposed on the second sintered electrode layer. The second external electrode includes a third sintered electrode layer and a plated layer disposed on the third sintered electrode layer. The first, second, and third sintered electrode layers include a void. A void fraction of each of the first and third sintered electrode layers is larger than a void fraction of the second sintered electrode layer.Type: ApplicationFiled: February 23, 2018Publication date: October 4, 2018Applicant: TDK CORPORATIONInventors: Toru ONOUE, Daisuke HIMETA, Hikaru HIRABAYASHI, Fumiaki SATOH, Yuma HATTORI, Takuto OKAMOTO