Patents by Inventor Tomoyuki OYOSHI
Tomoyuki OYOSHI 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: 11631524Abstract: In an exemplary embodiment, a coil component includes: an element body part 10 and a coil 30 of spiral shape constituted by multiple turn units 32 connected in a coil axial direction; wherein each turn unit 32 has, in a cross-sectional view in the width direction of the turn unit 32, a flat side 40 that extends in a second direction substantially perpendicular to the coil axis of the coil 30; and the point of intersection 48 between a figure line 42 corresponding to the longest part in a first direction, and a figure line 44 corresponding to the longest part in the second direction, with respect to the coil axis, is positioned on the figure line 42 within one-quarter of the figure line away from one end 50 on the side 40 or from the other end 52 opposing the side 40.Type: GrantFiled: May 20, 2021Date of Patent: April 18, 2023Assignee: TAIYO YUDEN CO., LTD.Inventors: Yoshikazu Maruyama, Noriyuki Mabuchi, Ichiro Yokoyama, Masataka Kohara, Keiichi Nozawa, Masakazu Okazaki, Hideaki Hoshino, Tomoyuki Oyoshi, Takehumi Yamada, Chikako Yoshida
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Patent number: 11532415Abstract: An electronic component includes: an insulator part (10) of rectangular solid shape; a coil element (32) provided inside the insulator part (10); bottom electrodes (40) provided on a bottom face (14) of the insulator part (10) and electrically connected to the coil element (32); a plating layer (62) provided in a manner overlapping each bottom electrode (40) so that its end (64) on the bottom face (14) is away from the end (42) of the bottom electrode (40); a plating layer (60) which is arranged between the bottom electrode (40) and the plating layer (62) and overlaps the bottom electrode (40), and which is constituted by a metal having lower solder wettability and higher melting point than those of the plating layer (62); and an insulation layer (70) provided on the bottom face (14) in a manner covering the end (42) of the bottom electrode (40).Type: GrantFiled: June 30, 2021Date of Patent: December 20, 2022Assignee: TAIYO YUDEN CO., LTD.Inventors: Yoshikazu Maruyama, Noriyuki Mabuchi, Ichiro Yokoyama, Masataka Kohara, Keiichi Nozawa, Masakazu Okazaki, Chikako Yoshida, Tomoyuki Oyoshi, Ikuo Kakiuchi, Masami Seto
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Publication number: 20210327623Abstract: An electronic component includes: an insulator part (10) of rectangular solid shape; a coil element (32) provided inside the insulator part (10); bottom electrodes (40) provided on a bottom face (14) of the insulator part (10) and electrically connected to the coil element (32); a plating layer (62) provided in a manner overlapping each bottom electrode (40) so that its end (64) on the bottom face (14) is away from the end (42) of the bottom electrode (40); a plating layer (60) which is arranged between the bottom electrode (40) and the plating layer (62) and overlaps the bottom electrode (40), and which is constituted by a metal having lower solder wettability and higher melting point than those of the plating layer (62); and an insulation layer (70) provided on the bottom face (14) in a manner covering the end (42) of the bottom electrode (40).Type: ApplicationFiled: June 30, 2021Publication date: October 21, 2021Inventors: Yoshikazu MARUYAMA, Noriyuki MABUCHI, Ichiro YOKOYAMA, Masataka KOHARA, Keiichi NOZAWA, Masakazu OKAZAKI, Chikako YOSHIDA, Tomoyuki OYOSHI, Ikuo KAKIUCHI, Masami SETO
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Publication number: 20210272739Abstract: In an exemplary embodiment, a coil component includes: an element body part 10 and a coil 30 of spiral shape constituted by multiple turn units 32 connected in a coil axial direction; wherein each turn unit 32 has, in a cross-sectional view in the width direction of the turn unit 32, a flat side 40 that extends in a second direction substantially perpendicular to the coil axis of the coil 30; and the point of intersection 48 between a figure line 42 corresponding to the longest part in a first direction, and a figure line 44 corresponding to the longest part in the second direction, with respect to the coil axis, is positioned on the figure line 42 within one-quarter of the figure line away from one end 50 on the side 40 or from the other end 52 opposing the side 40.Type: ApplicationFiled: May 20, 2021Publication date: September 2, 2021Inventors: Yoshikazu MARUYAMA, Noriyuki MABUCHI, Ichiro YOKOYAMA, Masataka KOHARA, Keiichi NOZAWA, Masakazu OKAZAKI, Hideaki HOSHINO, Tomoyuki OYOSHI, Takehumi YAMADA, Chikako YOSHIDA
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Patent number: 11087909Abstract: In an embodiment, an electronic component includes: an insulator part 10 of rectangular solid shape; a coil element 32 provided inside the insulator part 10; bottom electrodes 40 provided on a bottom face 14 of the insulator part 10 and electrically connected to the coil element 32; a plating layer 62 provided in a manner overlapping each bottom electrode 40 so that its end 64 on the bottom face 14 is away from the end 42 of the bottom electrode 40; and a plating layer 60 which is arranged between the bottom electrode 40 and the plating layer 62 and overlaps the bottom electrode 40, and which is constituted by a metal having lower solder wettability and higher melting point than those of the plating layer 62. The electronic component can suppress generation of cracking in the insulator part.Type: GrantFiled: June 7, 2018Date of Patent: August 10, 2021Assignee: TAIYO YUDEN CO., LTD.Inventors: Yoshikazu Maruyama, Noriyuki Mabuchi, Ichiro Yokoyama, Masataka Kohara, Keiichi Nozawa, Masakazu Okazaki, Chikako Yoshida, Tomoyuki Oyoshi, Ikuo Kakiuchi, Masami Seto
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Patent number: 11056269Abstract: In an embodiments, a coil component includes: an element body part 10 and a coil 30 of spiral shape constituted by multiple winding conductors 32 and through hole conductors 34 that interconnect the winding conductors 32; wherein each winding conductor 32 has, in a cross-sectional view in the width direction of the winding conductor 32, a flat side 40 that extends in a second direction substantially perpendicular to the coil axis of the coil 30; and the point of intersection 48 between a figure line 42 corresponding to the longest part in a first direction, and a figure line 44 corresponding to the longest part in the second direction, with respect to the coil axis, is positioned on the figure line 42 within one-quarter of the figure line away from one end 50 on the side 40 or from the other end 52 opposing the side 40.Type: GrantFiled: July 30, 2018Date of Patent: July 6, 2021Assignee: TAIYO YUDEN CO., LTD.Inventors: Yoshikazu Maruyama, Noriyuki Mabuchi, Ichiro Yokoyama, Masataka Kohara, Keiichi Nozawa, Masakazu Okazaki, Hideaki Hoshino, Tomoyuki Oyoshi, Takehumi Yamada, Chikako Yoshida
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Patent number: 10867743Abstract: In an embodiment, a coil component includes: an element body part 10; a coil conductor 36 constituted by first conductors 32 extending along the pair of end faces 16 and orthogonally to a bottom face 14, as well as second conductors 34 extending from one side, to the other side, of the pair of end faces and thereby connecting the multiple first conductors 32; lead conductor parts 38 electrically connected to two ends of the coil conductor, respectively; and a pair of external electrodes 50 electrically connected to the lead conductor parts; wherein at least one end of the coil conductor is electrically connected, via the lead conductor, to the external electrode at a top face 12 of the element body part; and the coil conductor extends from the at least the one end, using a second conductor, along and near the top face.Type: GrantFiled: September 22, 2017Date of Patent: December 15, 2020Assignee: TAIYO YUDEN CO., LTD.Inventors: Takayuki Sekiguchi, Ichiro Yokoyama, Masuo Yatabe, Noriyuki Mabuchi, Tomoyuki Oyoshi
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Publication number: 20190043656Abstract: In an embodiments, a coil component includes: an element body part 10 and a coil 30 of spiral shape constituted by multiple winding conductors 32 and through hole conductors 34 that interconnect the winding conductors 32; wherein each winding conductor 32 has, in a cross-sectional view in the width direction of the winding conductor 32, a flat side 40 that extends in a second direction substantially perpendicular to the coil axis of the coil 30; and the point of intersection 48 between a figure line 42 corresponding to the longest part in a first direction, and a figure line 44 corresponding to the longest part in the second direction, with respect to the coil axis, is positioned on the figure line 42 within one-quarter of the figure line away from one end 50 on the side 40 or from the other end 52 opposing the side 40.Type: ApplicationFiled: July 30, 2018Publication date: February 7, 2019Inventors: Yoshikazu MARUYAMA, Noriyuki MABUCHI, Ichiro YOKOYAMA, Masataka KOHARA, Keiichi NOZAWA, Masakazu OKAZAKI, Hideaki HOSHINO, Tomoyuki OYOSHI, Takehumi YAMADA, Chikako YOSHIDA
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Publication number: 20180366248Abstract: In an embodiment, an electronic component includes: an insulator part 10 of rectangular solid shape; a coil element 32 provided inside the insulator part 10; bottom electrodes 40 provided on a bottom face 14 of the insulator part 10 and electrically connected to the coil element 32; a plating layer 62 provided in a manner overlapping each bottom electrode 40 so that its end 64 on the bottom face 14 is away from the end 42 of the bottom electrode 40; and a plating layer 60 which is arranged between the bottom electrode 40 and the plating layer 62 and overlaps the bottom electrode 40, and which is constituted by a metal having lower solder wettability and higher melting point than those of the plating layer 62. The electronic component can suppress generation of cracking in the insulator part.Type: ApplicationFiled: June 7, 2018Publication date: December 20, 2018Inventors: Yoshikazu MARUYAMA, Noriyuki MABUCHI, Ichiro YOKOYAMA, Masataka KOHARA, Keiichi NOZAWA, Masakazu OKAZAKI, Chikako YOSHIDA, Tomoyuki OYOSHI, Ikuo KAKIUCHI, Masami SETO
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Publication number: 20180096780Abstract: In an embodiment, a coil component includes: an element body part 10; a coil conductor 36 constituted by first conductors 32 extending along the pair of end faces 16 and orthogonally to a bottom face 14, as well as second conductors 34 extending from one side, to the other side, of the pair of end faces and thereby connecting the multiple first conductors 32; lead conductor parts 38 electrically connected to two ends of the coil conductor, respectively; and a pair of external electrodes 50 electrically connected to the lead conductor parts; wherein at least one end of the coil conductor is electrically connected, via the lead conductor, to the external electrode at a top face 12 of the element body part; and the coil conductor extends from the at least the one end, using a second conductor, along and near the top face.Type: ApplicationFiled: September 22, 2017Publication date: April 5, 2018Inventors: Takayuki SEKIGUCHI, Ichiro YOKOYAMA, Masuo YATABE, Noriyuki MABUCHI, Tomoyuki OYOSHI
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Patent number: 9129737Abstract: A laminated inductor includes: a laminate having an insulating part constituted by non-magnetic layers, as well as a coil part constituted by conductors positioned between the non-magnetic layers; and external electrodes that are electrically connected to the ends of the coil part and positioned on the exterior surfaces of the laminate; wherein the external electrodes each have a first electrode layer whose primary constituent is Ag, as well as a second electrode layer whose primary constituent is Cu and which is positioned on the outer side of the first electrode layer and has a thickness of 4 ?m or more, and the total thickness of the first electrode layer and second electrode layer is 5 ?m or more and preferably 10 ?m or less.Type: GrantFiled: March 28, 2014Date of Patent: September 8, 2015Assignee: TAIYO YUDEN CO., LTD.Inventors: Ichirou Yokoyama, Taisuke Suzuki, Masuo Yatabe, Tomoyuki Oyoshi, Noriyuki Mabuchi, Kazuhiko Oyama
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Publication number: 20140292470Abstract: A laminated inductor includes: a laminate having an insulating part constituted by non-magnetic layers, as well as a coil part constituted by conductors positioned between the non-magnetic layers; and external electrodes that are electrically connected to the ends of the coil part and positioned on the exterior surfaces of the laminate; wherein the external electrodes each have a first electrode layer whose primary constituent is Ag, as well as a second electrode layer whose primary constituent is Cu and which is positioned on the outer side of the first electrode layer and has a thickness of 4 ?m or more, and the total thickness of the first electrode layer and second electrode layer is 5 ?m or more and preferably 10 ?m or less.Type: ApplicationFiled: March 28, 2014Publication date: October 2, 2014Applicant: TAIYO YUDEN CO., LTD.Inventors: Ichirou YOKOYAMA, Taisuke SUZUKI, Masuo YATABE, Tomoyuki OYOSHI, Noriyuki MABUCHI, Kazuhiko OYAMA