Patents by Inventor Ichiro Yokoyama

Ichiro Yokoyama 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).

  • Patent number: 11810707
    Abstract: A coil component according to one embodiment of the present invention includes a magnetic base body, a first external electrode, a second external electrode, a coil conductor extending around a coil axis, and an insulator. The insulator is provided between the flange portion of the second external electrode and the second coil pattern.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: November 7, 2023
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Ichiro Yokoyama
  • Patent number: 11791086
    Abstract: In an exemplary embodiment, an electronic component includes: an element body part 10 constituted by an insulative body of rectangular solid shape; an internal conductor 30 provided inside the element body part 10; and external electrodes 50 provided at least on the bottom face 14 (mounting surface) of the element body part 10 and electrically connected to the internal conductor 30; wherein the element body part 10 has: a conductor-containing layer 20 in which a coil conductor 36 (functional part) that will become a part of the internal conductor 30 to demonstrate electrical performance, is provided; and a high-hardness layer 22 which is provided side by side with the conductor-containing layer 20 in a direction parallel with the bottom face 14 (mounting surface) of the element body part 10, and which has a higher hardness compared to the conductor-containing layer 20. The electronic component has improve mechanical strength.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: October 17, 2023
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Masuo Yatabe, Chitose Kimura, Kozue Imaizumi, Ichiro Yokoyama
  • Patent number: 11631524
    Abstract: 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: Grant
    Filed: May 20, 2021
    Date of Patent: April 18, 2023
    Assignee: 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
  • Patent number: 11532415
    Abstract: 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: Grant
    Filed: June 30, 2021
    Date of Patent: December 20, 2022
    Assignee: 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
  • Publication number: 20220189681
    Abstract: A coil component according to one or more embodiments of the invention includes a base body containing a plurality of metal magnetic particles, a coil conductor, and an external electrode. In one or more embodiments, the coil conductor has a coil portion disposed inside the base body, and an end surface exposed from a first surface of the base body. The coil conductor is configured such that the ratio of the dimension of a section of the coil portion in a short axis direction to the dimension of the end surface in a short axis direction is 0.5 to 0.95, the section of the coil portion is orthogonal to the direction in which current flows through the coil portion. In one or more embodiments, the external electrode is provided on the first surface such that it is connected to the end surface of the lead-out portion.
    Type: Application
    Filed: December 2, 2021
    Publication date: June 16, 2022
    Inventors: Hideaki HOSHINO, Kenichiro NOGI, Ichiro YOKOYAMA, Yoshiaki KAMIYAMA, Yukihiro SAIDA
  • Publication number: 20220165480
    Abstract: A coil component according to one embodiment of the present invention includes a magnetic base body, a first external electrode, a second external electrode, a coil conductor extending around a coil axis, and an insulator. The insulator is provided between the flange portion of the second external electrode and the second coil pattern.
    Type: Application
    Filed: February 14, 2022
    Publication date: May 26, 2022
    Inventor: Ichiro YOKOYAMA
  • Patent number: 11315721
    Abstract: A coil component according to one embodiment of the present invention includes a magnetic base body, a first external electrode, a second external electrode, a coil conductor extending around a coil axis, a first insulator, and a second insulator. The first insulator is provided between a first flange portion of the first external electrode and a first coil pattern of the coil conductor, and the second insulator is provided between a second flange portion of the second external electrode and a second coil pattern of the coil conductor.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: April 26, 2022
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Ichiro Yokoyama
  • Publication number: 20210327623
    Abstract: 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: Application
    Filed: June 30, 2021
    Publication date: October 21, 2021
    Inventors: Yoshikazu MARUYAMA, Noriyuki MABUCHI, Ichiro YOKOYAMA, Masataka KOHARA, Keiichi NOZAWA, Masakazu OKAZAKI, Chikako YOSHIDA, Tomoyuki OYOSHI, Ikuo KAKIUCHI, Masami SETO
  • Publication number: 20210272739
    Abstract: 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: Application
    Filed: May 20, 2021
    Publication date: September 2, 2021
    Inventors: Yoshikazu MARUYAMA, Noriyuki MABUCHI, Ichiro YOKOYAMA, Masataka KOHARA, Keiichi NOZAWA, Masakazu OKAZAKI, Hideaki HOSHINO, Tomoyuki OYOSHI, Takehumi YAMADA, Chikako YOSHIDA
  • Patent number: 11087909
    Abstract: 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: Grant
    Filed: June 7, 2018
    Date of Patent: August 10, 2021
    Assignee: 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
  • Patent number: 11056269
    Abstract: 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: Grant
    Filed: July 30, 2018
    Date of Patent: July 6, 2021
    Assignee: 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
  • Publication number: 20210134517
    Abstract: A coil component according to one embodiment of the present invention includes a magnetic base body, a first external electrode, a second external electrode, a coil conductor extending around a coil axis, a first insulator, and a second insulator. The first insulator is provided between a first flange portion of the first external electrode and a first coil pattern of the coil conductor, and the second insulator is provided between a second flange portion of the second external electrode and a second coil pattern of the coil conductor.
    Type: Application
    Filed: December 16, 2020
    Publication date: May 6, 2021
    Inventor: Ichiro YOKOYAMA
  • Patent number: 10902992
    Abstract: A coil component according to one embodiment of the present invention includes a magnetic base body, a first external electrode, a second external electrode, a coil conductor extending around a coil axis, a first insulator, and a second insulator. The first insulator is provided between a first flange portion of the first external electrode and a first coil pattern of the coil conductor, and the second insulator is provided between a second flange portion of the second external electrode and a second coil pattern of the coil conductor.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: January 26, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Ichiro Yokoyama
  • Patent number: 10867743
    Abstract: 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: Grant
    Filed: September 22, 2017
    Date of Patent: December 15, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takayuki Sekiguchi, Ichiro Yokoyama, Masuo Yatabe, Noriyuki Mabuchi, Tomoyuki Oyoshi
  • Publication number: 20200381168
    Abstract: A coil component according to one embodiment of the present invention includes a magnetic base body, a first external electrode, a second external electrode, a coil conductor extending around a coil axis, a first insulator, and a second insulator. The first insulator is provided between a first flange portion of the first external electrode and a first coil pattern of the coil conductor, and the second insulator is provided between a second flange portion of the second external electrode and a second coil pattern of the coil conductor.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 3, 2020
    Inventor: Ichiro YOKOYAMA
  • Publication number: 20200143977
    Abstract: In an exemplary embodiment, an electronic component includes: an element body part 10 constituted by an insulative body of rectangular solid shape; an internal conductor 30 provided inside the element body part 10; and external electrodes 50 provided at least on the bottom face 14 (mounting surface) of the element body part 10 and electrically connected to the internal conductor 30; wherein the element body part 10 has: a conductor-containing layer 20 in which a coil conductor 36 (functional part) that will become a part of the internal conductor 30 to demonstrate electrical performance, is provided; and a high-hardness layer 22 which is provided side by side with the conductor-containing layer 20 in a direction parallel with the bottom face 14 (mounting surface) of the element body part 10, and which has a higher hardness compared to the conductor-containing layer 20. The electronic component has improve mechanical strength.
    Type: Application
    Filed: January 7, 2020
    Publication date: May 7, 2020
    Inventors: Masuo YATABE, Chitose KIMURA, Kozue IMAIZUMI, Ichiro YOKOYAMA
  • Patent number: 10636557
    Abstract: One object of the present invention is to enable identification of the direction of an electronic component, while suppressing increase in cost. The present invention provides an electronic component comprising: an insulator portion having a plurality of surfaces (e.g., a top surface, a bottom surface, end surfaces, and side surfaces), the insulator portion including a plurality of regions having different transmissivities of a light beam entering one of the plurality of surfaces (e.g., a top surface, a bottom surface, end surfaces, and side surfaces); an internal conductor portion provided in the insulator portion; and external electrodes provided on the insulator portion and electrically connected to the internal conductor portion.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: April 28, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Ikuo Kakiuchi, Masataka Kohara, Ichiro Yokoyama, Keiichi Nozawa, Masakazu Okazaki, Yoshikazu Maruyama, Masuo Yatabe
  • Patent number: 10566129
    Abstract: In an embodiment, an electronic component includes: an element body part 10 constituted by an insulative body of rectangular solid shape; an internal conductor 30 provided inside the element body part 10; and external electrodes 50 provided at least on the bottom face 14 (mounting surface) of the element body part 10 and electrically connected to the internal conductor 30; wherein the element body part 10 has: a conductor-containing layer 20 in which a coil conductor 36 (functional part) that will become a part of the internal conductor 30 to demonstrate electrical performance, is provided; and a high-hardness layer 22 which is provided side by side with the conductor-containing layer 20 in a direction parallel with the bottom face 14 (mounting surface) of the element body part 10, and which has a higher hardness compared to the conductor-containing layer 20. The electronic component has improve mechanical strength.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: February 18, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Masuo Yatabe, Chitose Kimura, Kozue Imaizumi, Ichiro Yokoyama
  • Publication number: 20190043656
    Abstract: 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: Application
    Filed: July 30, 2018
    Publication date: February 7, 2019
    Inventors: Yoshikazu MARUYAMA, Noriyuki MABUCHI, Ichiro YOKOYAMA, Masataka KOHARA, Keiichi NOZAWA, Masakazu OKAZAKI, Hideaki HOSHINO, Tomoyuki OYOSHI, Takehumi YAMADA, Chikako YOSHIDA
  • Publication number: 20180366248
    Abstract: 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: Application
    Filed: June 7, 2018
    Publication date: December 20, 2018
    Inventors: Yoshikazu MARUYAMA, Noriyuki MABUCHI, Ichiro YOKOYAMA, Masataka KOHARA, Keiichi NOZAWA, Masakazu OKAZAKI, Chikako YOSHIDA, Tomoyuki OYOSHI, Ikuo KAKIUCHI, Masami SETO