Patents by Inventor Tomohiko ZAIMA
Tomohiko ZAIMA 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: 11929210Abstract: A multi-layer ceramic electronic component includes: a ceramic body including a main surface, an end surface, and a side surface respectively perpendicular to a first axis, a second axis, and a third axis orthogonal to one another, a top portion that connects the main surface, the end surface, and the side surface to one another, and a plurality of internal electrodes laminated in a direction of the first axis; and an end external electrode including a corner portion located on the top portion, a base portion that covers the end surface and extends from the end surface to the main surface and the side surface, and a protrusion that protrudes from the base portion in a thickness direction, the protrusion including an L-shaped main surface protrusion located on the main surface and extending in directions of the second axis and the third axis from the corner portion.Type: GrantFiled: March 16, 2022Date of Patent: March 12, 2024Assignee: TAIYO YUDEN CO., LTD.Inventors: Tomohiko Zaima, Takashi Sasaki, Kunihiro Matsushita
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Patent number: 11688556Abstract: A ceramic electronic device includes: a multilayer chip in which dielectric layers are stacked, the multilayer chip having two end faces, an upper face, a lower face and two side faces; a plurality of internal electrode layers that are provided inside of the multilayer chip; and a pair of external electrodes that are provided on the two end faces and are connected to the plurality of internal electrode layers, wherein each of the pair of external electrodes has a smaller thickness in a region not connected to the plurality of internal electrode layers, has an inwardly inflected point as viewed toward the plurality of internal electrode layers, and has a larger thickness in a region connected to the plurality of internal electrode layers, as measured in a direction perpendicular to the corresponding end face.Type: GrantFiled: April 8, 2021Date of Patent: June 27, 2023Assignee: TAIYO YUDEN CO., LTD.Inventors: Tomohiko Zaima, Takashi Sasaki, Kunihiro Matsushita
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Publication number: 20230077511Abstract: A multi-layer ceramic electronic component includes: a ceramic body having a substantially rectangular parallelepiped shape, the ceramic body including a first corner connecting a first main surface, a first side surface, and an end surface, a second corner connecting a second main surface, the first side surface, and the end surface, a third corner connecting the first main surface, a second side surface, and the end surface, a fourth corner connecting the second main surface, the second side surface, and the end surface, and a plurality of internal electrodes; and a pair of external electrodes each including a base layer and a first conductive resin layer including a first side surface resin portion disposed on the first side surface to cover the first corner and extending from the first corner to first and second axis directions, and covers at least a part of the base layer.Type: ApplicationFiled: August 4, 2022Publication date: March 16, 2023Applicant: TAIYO YUDEN CO., LTD.Inventors: Tomohiko ZAIMA, Takashi SASAKI, Atsuhiro KOGURE
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Patent number: 11587737Abstract: A multilayer ceramic capacitor includes a ceramic main including first internal electrodes each drawn out to and reaching a pair of end surfaces and second internal electrodes each drawn out to and reaching a pair of side surfaces. A pair of end-surface external electrodes are respectively provided on the pair of end surfaces to be connected to the first internal electrodes, and a pair of side-surface external electrodes are respectively provided on the pair of side surfaces to be connected to the second internal electrodes. Each of the second internal electrodes has drawn-out parts that extend from an electrode main part and reach the pair of side surfaces, and with respect to each of the pair of side surfaces, two or more of the drawn-out parts are provided to extend from the electrode main part and reach the side surface.Type: GrantFiled: August 20, 2020Date of Patent: February 21, 2023Assignee: TAIYO YUDEN CO., LTD.Inventors: Takashi Sasaki, Tomohiko Zaima
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Publication number: 20220310324Abstract: A multi-layer ceramic electronic component includes: a ceramic body including a main surface, an end surface, and a side surface respectively perpendicular to a first axis, a second axis, and a third axis orthogonal to one another, a top portion that connects the main surface, the end surface, and the side surface to one another, and a plurality of internal electrodes laminated in a direction of the first axis; and an end external electrode including a corner portion located on the top portion, a base portion that covers the end surface and extends from the end surface to the main surface and the side surface, and a protrusion that protrudes from the base portion in a thickness direction, the protrusion including an L-shaped main surface protrusion located on the main surface and extending in directions of the second axis and the third axis from the corner portion.Type: ApplicationFiled: March 16, 2022Publication date: September 29, 2022Applicant: TAIYO YUDEN CO., LTD.Inventors: Tomohiko ZAIMA, Takashi SASAKI, Kunihiro MATSUSHITA
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Publication number: 20210257162Abstract: A ceramic electronic device includes: a multilayer chip in which dielectric layers are stacked, the multilayer chip having two end faces, an upper face, a lower face and two side faces; a plurality of internal electrode layers that are provided inside of the multilayer chip; and a pair of external electrodes that are provided on the two end faces and are connected to the plurality of internal electrode layers, wherein each of the pair of external electrodes has a smaller thickness in a region not connected to the plurality of internal electrode layers, has an inwardly inflected point as viewed toward the plurality of internal electrode layers, and has a larger thickness in a region connected to the plurality of internal electrode layers, as measured in a direction perpendicular to the corresponding end face.Type: ApplicationFiled: April 8, 2021Publication date: August 19, 2021Inventors: Tomohiko ZAIMA, Takashi SASAKI, Kunihiro MATSUSHITA
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Patent number: 11011309Abstract: Disclosed is a ceramic electronic component having external electrodes on each of opposed end portions of a rectangular parallelepiped component body. A first direction dimension, a second direction dimension and a third direction dimension of the component body satisfy a condition of second direction dimension>first direction dimension>third direction dimension. The external electrodes are of a five-face type having a first face portion, a second face portion, a third face portion, a fourth face portion and a fifth face portion. At least one edge of the fourth face portion and the fifth face portion of the external electrode has a recess portion recessed from the edge toward the first face portion. Both side portions in the third direction of the recess portion are covering portions which cover ridge portions of the two faces in the second direction of the component body.Type: GrantFiled: October 10, 2019Date of Patent: May 18, 2021Assignee: Taiyo Yuden Co., LtdInventors: Shota Yajima, Takashi Sasaki, Tomohiko Zaima, Fukio Kinoshita, Toshiya Kuji
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Patent number: 11004604Abstract: A ceramic electronic device includes: a multilayer chip in which dielectric layers are stacked, the multilayer chip having two end faces, an upper face, a lower face and two side faces; a plurality of first internal electrode layers that are provided inside of the multilayer chip, each of the plurality of first internal electrode layers having projection portions extracted to the two side faces; and external electrodes that are provided on the two side faces between the two end faces and are connected to the projection portions, wherein each of the external electrodes has a smaller thickness in a region not connected to the projection portions, has an inflection point toward the projection portions, and has a larger thickness in a region connected to the projection portions, in a direction connecting the two end faces.Type: GrantFiled: May 30, 2019Date of Patent: May 11, 2021Assignee: TAIYO YUDEN CO., LTD.Inventors: Tomohiko Zaima, Takashi Sasaki, Kunihiro Matsushita
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Publication number: 20210057163Abstract: A multilayer ceramic capacitor includes a ceramic main including first internal electrodes each drawn out to and reaching a pair of end surfaces and second internal electrodes each drawn out to and reaching a pair of side surfaces. A pair of end-surface external electrodes are respectively provided on the pair of end surfaces to be connected to the first internal electrodes, and a pair of side-surface external electrodes are respectively provided on the pair of side surfaces to be connected to the second internal electrodes. Each of the second internal electrodes has drawn-out parts that extend from an electrode main part and reach the pair of side surfaces, and with respect to each of the pair of side surfaces, two or more of the drawn-out parts are provided to extend from the electrode main part and reach the side surface.Type: ApplicationFiled: August 20, 2020Publication date: February 25, 2021Applicant: TAIYO YUDEN CO., LTD.Inventors: Takashi SASAKI, Tomohiko ZAIMA
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Publication number: 20200118755Abstract: Disclosed is a ceramic electronic component having external electrodes on each of opposed end portions of a rectangular parallelepiped component body. A first direction dimension, a second direction dimension and a third direction dimension of the component body satisfy a condition of second direction dimension >first direction dimension >third direction dimension. The external electrodes are of a five-face type having a first face portion, a second face portion, a third face portion, a fourth face portion and a fifth face portion. At least one edge of the fourth face portion and the fifth face portion of the external electrode has a recess portion recessed from the edge toward the first face portion.Type: ApplicationFiled: October 10, 2019Publication date: April 16, 2020Inventors: SHOTA YAJIMA, TAKASHI SASAKI, TOMOHIKO ZAIMA, FUKIO KINOSHITA, TOSHIYA KUJI
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Patent number: 10535467Abstract: There is provided a multi-layer ceramic electronic component includes a ceramic body, an end external electrode unit, a side face external electrode unit. The ceramic body includes a pair of end faces, a pair of first side faces, and a pair of second side faces all of which are faced each other, respectively. The ceramic body includes a plurality of ceramic layers and an internal electrode unit. A plurality of the ceramic layers extend along a pair of the first side faces, and are laminated along a pair of the second side faces. The internal electrode unit includes first and second internal electrodes disposed alternately between a plurality of the ceramic layers, the first internal electrodes are drawn to both ends of a pair of the end faces, and the second internal electrodes are dawn to both ends of a pair of the second side faces. The end external electrode unit is connected to the first internal electrodes.Type: GrantFiled: August 9, 2018Date of Patent: January 14, 2020Assignee: TAIYO YUDEN CO., LTD.Inventors: Takashi Sasaki, Tomohiko Zaima, Shin Nakayasu, Akira Furusawa, Fukio Kinoshita
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Publication number: 20190371525Abstract: A ceramic electronic device includes: a multilayer chip in which dielectric layers are stacked, the multilayer chip having two end faces, an upper face, a lower face and two side faces; a plurality of first internal electrode layers that are provided inside of the multilayer chip, each of the plurality of first internal electrode layers having projection portions extracted to the two side faces; and external electrodes that are provided on the two side faces between the two end faces and are connected to the projection portions, wherein each of the external electrodes has a smaller thickness in a region not connected to the projection portions, has an inflection point toward the projection portions, and has a larger thickness in a region connected to the projection portions, in a direction connecting the two end faces.Type: ApplicationFiled: May 30, 2019Publication date: December 5, 2019Inventors: Tomohiko ZAIMA, Takashi SASAKI, Kunihiro MATSUSHITA
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Publication number: 20180350522Abstract: There is provided a multi-layer ceramic electronic component includes a ceramic body, an end external electrode unit, a side face external electrode unit. The ceramic body includes a pair of end faces, a pair of first side faces, and a pair of second side faces all of which are faced each other, respectively. The ceramic body includes a plurality of ceramic layers and an internal electrode unit. A plurality of the ceramic layers extend along a pair of the first side faces, and are laminated along a pair of the second side faces. The internal electrode unit includes first and second internal electrodes disposed alternately between a plurality of the ceramic layers, the first internal electrodes are drawn to both ends of a pair of the end faces, and the second internal electrodes are dawn to both ends of a pair of the second side faces. The end external electrode unit is connected to the first internal electrodes.Type: ApplicationFiled: August 9, 2018Publication date: December 6, 2018Inventors: TAKASHI SASAKI, TOMOHIKO ZAIMA, SHIN NAKAYASU, AKIRA FURUSAWA, FUKIO KINOSHITA
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Patent number: 10074482Abstract: There is provided a multi-layer ceramic electronic component includes a ceramic body, an end external electrode unit, a side face external electrode unit. The ceramic body includes a pair of end faces, a pair of first side faces, and a pair of second side faces all of which are faced each other, respectively. The ceramic body includes a plurality of ceramic layers and an internal electrode unit. A plurality of the ceramic layers extend along a pair of the first side faces, and are laminated along a pair of the second side faces. The internal electrode unit includes first and second internal electrodes disposed alternately between a plurality of the ceramic layers, the first internal electrodes are drawn to both ends of a pair of the end faces, and the second internal electrodes are dawn to both ends of a pair of the second side faces. The end external electrode unit is connected to the first internal electrodes.Type: GrantFiled: July 27, 2016Date of Patent: September 11, 2018Assignee: TAIYO YUDEN CO., LTD.Inventors: Takashi Sasaki, Tomohiko Zaima, Shin Nakayasu, Akira Furusawa, Fukio Kinoshita
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Patent number: 9922770Abstract: In an embodiment, a through-type multilayer ceramic capacitor 10-1 has a first external electrode 12 provided on one end of the capacitor body 11 in the length direction, and a second external electrode 13 provided on the other end of the capacitor body 11 in the length direction, and it also has a third external electrode 14 of quadrangular cylinder shape provided at the center of the capacitor body 11 in a manner continuously covering parts of both sides in the height direction, and parts of both sides in the width direction, of the capacitor body 11, in a state not contacting the first external electrode 12 and second external electrode 13. The through-type multilayer ceramic capacitor can offer improved strength at the time of installation on a circuit board.Type: GrantFiled: December 17, 2015Date of Patent: March 20, 2018Assignee: TAIYO YUDEN CO., LTD.Inventors: Tomohiko Zaima, Shin Nakayasu, Takashi Sasaki, Fukio Kinoshita
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Publication number: 20170032897Abstract: There is provided a multi-layer ceramic electronic component includes a ceramic body, an end external electrode unit, a side face external electrode unit. The ceramic body includes a pair of end faces, a pair of first side faces, and a pair of second side faces all of which are faced each other, respectively. The ceramic body includes a plurality of ceramic layers and an internal electrode unit. A plurality of the ceramic layers extend along a pair of the first side faces, and are laminated along a pair of the second side faces. The internal electrode unit includes first and second internal electrodes disposed alternately between a plurality of the ceramic layers, the first internal electrodes are drawn to both ends of a pair of the end faces, and the second internal electrodes are dawn to both ends of a pair of the second side faces. The end external electrode unit is connected to the first internal electrodes.Type: ApplicationFiled: July 27, 2016Publication date: February 2, 2017Inventors: Takashi Sasaki, Tomohiko Zaima, Shin Nakayasu, Akira Furusawa, Fukio Kinoshita
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Publication number: 20160189867Abstract: In an embodiment, a through-type multilayer ceramic capacitor 10-1 has a first external electrode 12 provided on one end of the capacitor body 11 in the length direction, and a second external electrode 13 provided on the other end of the capacitor body 11 in the length direction, and it also has a third external electrode 14 of quadrangular cylinder shape provided at the center of the capacitor body 11 in a manner continuously covering parts of both sides in the height direction, and parts of both sides in the width direction, of the capacitor body 11, in a state not contacting the first external electrode 12 and second external electrode 13. The through-type multilayer ceramic capacitor can offer improved strength at the time of installation on a circuit board.Type: ApplicationFiled: December 17, 2015Publication date: June 30, 2016Inventors: Tomohiko ZAIMA, Shin NAKAYASU, Takashi SASAKI, Fukio KINOSHITA