Patents by Inventor Ikuo Kakiuchi
Ikuo Kakiuchi 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: 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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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: 10636557Abstract: 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: GrantFiled: March 15, 2017Date of Patent: April 28, 2020Assignee: TAIYO YUDEN CO., LTD.Inventors: Ikuo Kakiuchi, Masataka Kohara, Ichiro Yokoyama, Keiichi Nozawa, Masakazu Okazaki, Yoshikazu Maruyama, Masuo Yatabe
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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: 20170352467Abstract: 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: ApplicationFiled: March 15, 2017Publication date: December 7, 2017Inventors: Ikuo Kakiuchi, Masataka KOHARA, lchiro YOKOYAMA, Keiichi NOZAWA, Masakazu OKAZAKI, Yoshikazu MARUYAMA, Masuo YATABE
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Patent number: 7358843Abstract: A device includes: a pillar-shaped core consisting of a first magnetic insulating material that has two quadric prism segments at both ends thereof symmetrically and has a cylindrical segment, which has an external shape smaller than that of the quadric prism segments, coaxially between the two quadric prism segments; a resistance film that is formed in a substantially uniform thickness so as to cover an outer circumferential face of the pillar-shaped core; a spiral line segment having a predetermined number of circumferences that is formed in a portion present on the cylindrical segment of the resistance film by subjecting a spiral sulcus to laser trimming; an oxide film that is formed to cover at least a surface of a shoulder portion extending from a side to an upper surface of lines constituting the spiral line segment; an armor consisting of a second magnetic insulating material that is formed to cover a surface of the portion present on the cylindrical segment of the resistance film and such that an exteType: GrantFiled: September 29, 2005Date of Patent: April 15, 2008Assignee: Taiyo Yuden Co., Ltd.Inventors: Manabu Takayama, Shoichi Tosaka, Ikuo Kakiuchi, Takashige Shiga, Masaru Maeda
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Patent number: 7170379Abstract: A device includes: a pillar-shaped core consisting of a first magnetic insulating material that has two quadric prism segments at both ends thereof symmetrically and has a cylindrical segment, which has an external shape smaller than that of the quadric prism segments, coaxially between the two quadric prism segments; a conductor film that is formed in a substantially uniform thickness so as to cover an outer circumferential face of the pillar-shaped core; a spiral line segment having a predetermined number of circumferences that is formed in a portion present on the cylindrical segment of the conductor film by subjecting a spiral sulcus to laser trimming; an oxide film that is formed to cover at least a surface of a shoulder portion extending from a side to an upper surface of lines constituting the spiral line segment; an armor consisting of a second magnetic insulating material that is formed to cover a surface of the portion present on the cylindrical segment of the conductor film and such that an externaType: GrantFiled: September 29, 2005Date of Patent: January 30, 2007Assignee: Taiyo Yuden Co., Ltd.Inventors: Manabu Takayama, Shoichi Tosaka, Ikuo Kakiuchi, Takashige Shiga, Masaru Maeda
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Publication number: 20060125569Abstract: A device includes: a pillar-shaped core consisting of a first magnetic insulating material that has two quadric prism segments at both ends thereof symmetrically and has a cylindrical segment, which has an external shape smaller than that of the quadric prism segments, coaxially between the two quadric prism segments; a resistance film that is formed in a substantially uniform thickness so as to cover an outer circumferential face of the pillar-shaped core; a spiral line segment having a predetermined number of circumferences that is formed in a portion present on the cylindrical segment of the resistance film by subjecting a spiral sulcus to laser trimming; an oxide film that is formed to cover at least a surface of a shoulder portion extending from a side to an upper surface of lines constituting the spiral line segment; an armor consisting of a second magnetic insulating material that is formed to cover a surface of the portion present on the cylindrical segment of the resistance film and such that an exteType: ApplicationFiled: September 29, 2005Publication date: June 15, 2006Inventors: Manabu Takayama, Shoichi Tosaka, Ikuo Kakiuchi, Takashige Shiga, Masaru Maeda
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Publication number: 20060125587Abstract: A device includes: a pillar-shaped core consisting of a first magnetic insulating material that has two quadric prism segments at both ends thereof symmetrically and has a cylindrical segment, which has an external shape smaller than that of the quadric prism segments, coaxially between the two quadric prism segments; a conductor film that is formed in a substantially uniform thickness so as to cover an outer circumferential face of the pillar-shaped core; a spiral line segment having a predetermined number of circumferences that is formed in a portion present on the cylindrical segment of the conductor film by subjecting a spiral sulcus to laser trimming; an oxide film that is formed to cover at least a surface of a shoulder portion extending from a side to an upper surface of lines constituting the spiral line segment; an armor consisting of a second magnetic insulating material that is formed to cover a surface of the portion present on the cylindrical segment of the conductor film and such that an externaType: ApplicationFiled: September 29, 2005Publication date: June 15, 2006Inventors: Manabu Takayama, Soichi Tosaka, Ikuo Kakiuchi, Takashige Shiga, Masaru Maeda
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Patent number: 6409069Abstract: A chip component is manufactured through a step of burning a unburned unit element made of ceramics having prism-shaped parts at its ends, a step of polishing the edges of the burned unit element, and a step of forming a resistor conductor, an electrode conductor and a armor on the polished unit element.Type: GrantFiled: May 9, 2000Date of Patent: June 25, 2002Assignees: Taiyo Yuden Co., Ltd., Chuki Seiki Co., Ltd.Inventors: Shinichi Harada, Kiyoshi Tanbo, Sadaaki Kurata, Manabu Teraoka, Ikuo Kakiuchi
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Patent number: 6070787Abstract: A chip component is manufactured through a step of burning a unburned unit element made of ceramics having prism-shaped parts at its ends, a step of polishing the edges of the burned unit element, and a step of forming a resistor conductor, an electrode conductor and a armor on the polished unit element.Type: GrantFiled: October 29, 1997Date of Patent: June 6, 2000Assignees: Taiyo Yuden Co., Ltd., Chuki Seiki Co., Ltd.Inventors: Shinichi Harada, Kiyoshi Tanbo, Sadaaki Kurata, Manabu Teraoka, Ikuo Kakiuchi