Patents by Inventor Keiko Matsuoka
Keiko Matsuoka 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: 8711546Abstract: A method of fabricating a solid electrolytic capacitor of an aspect includes the steps of preparing an anode element with a dielectric layer formed on a surface thereof, forming a solid electrolytic layer on the dielectric layer, forming a carbon layer on the solid electrolytic layer, bringing an aqueous polymer into contact with the carbon layer, and forming a silver paste layer on the aqueous polymer. A method of fabricating a solid electrolytic capacitor and a solid electrolytic capacitor that can be improved in characteristics can thus be obtained.Type: GrantFiled: September 19, 2011Date of Patent: April 29, 2014Assignee: SANYO Electric Co., Ltd.Inventor: Keiko Matsuoka
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Patent number: 8574319Abstract: A solid electrolytic capacitor is provided that includes a capacitor element having a dielectric coating, a solid electrolyte, and a cathode lead portion formed in order on a surface of an anode portion having an anode lead portion. The cathode lead portion is electrically connected to a cathode terminal by a connecting portion, and the connecting portion is formed of a sintered body of a metal.Type: GrantFiled: April 20, 2011Date of Patent: November 5, 2013Assignee: SANYO Electric Co., Ltd.Inventor: Keiko Matsuoka
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Patent number: 8559165Abstract: A solid electrolytic capacitor includes an anode element, a dielectric layer, a solid electrolytic layer, and a cathode layer. The dielectric layer is formed on the anode element. The solid electrolytic layer is formed on the dielectric layer. The cathode layer is formed so as to contact the solid electrolytic layer. The cathode layer is a silver paste layer having an imide-based polymer as a binder resin. A solid electrolytic capacitor that can be improved in characteristics can thus be obtained.Type: GrantFiled: September 19, 2011Date of Patent: October 15, 2013Assignee: SANYO Electric Co., Ltd.Inventor: Keiko Matsuoka
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Patent number: 8559166Abstract: A solid electrolytic capacitor includes a capacitor element, an anode lead frame, a cathode lead frame, and a mold resin portion. The anode lead frame includes an anode terminal portion and a rising portion, and the anode terminal portion is exposed at the bottom surface of the mold resin portion. The rising portion is formed integral with the anode terminal portion, and rises to the anode portion. In the rising portion, a through hole is formed. The cathode lead frame includes a cathode terminal portion, a pair of side surface portions and a step portion. Thus, a solid electrolytic capacitor allowing highly accurate and reliable attachment of the capacitor element to the lead frame without using any additional member is provided.Type: GrantFiled: June 21, 2011Date of Patent: October 15, 2013Assignee: SANYO Electric Co., Ltd.Inventors: Keiko Matsuoka, Shoji Umeda, Yoshiyuki Fushimi, Koji Tezuka
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Patent number: 8456804Abstract: A solid electrolytic capacitor including a capacitor element having an anode member and a cathode member, an anode terminal electrically connected with the anode member, a cathode terminal electrically connected with the cathode member, and a mold resin portion covering the capacitor element; wherein the cathode terminal has an upper step portion, a lower step portion, and a side portion, the upper step portion is connected with the cathode member, the lower step portion is exposed out of the mold resin portion, the side portion is extended along with a side surface of the cathode member from the upper step portion and is connected with the side surface, and the side portion is longer than the upper step portion, in a direction in which the cathode terminal and the anode terminal are aligned.Type: GrantFiled: May 26, 2011Date of Patent: June 4, 2013Assignee: Sanyo Electric Co., Ltd.Inventors: Keiko Matsuoka, Shoji Umeda
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Patent number: 8344735Abstract: The solid electrolytic capacitor includes a solid electrolyte type capacitor element including a dielectric layer intervening between an anode section and a cathode section, and an insulating substrate. The insulating substrate includes a first surface on which the capacitor element is mounted and a second surface opposite to the first surface. The first surface is provided thereon with a first anode layer to which the anode section is electrically connected and a first cathode layer to which the cathode section is electrically connected. The second surface is provided thereon with a second anode layer electrically connected to the first anode layer and a second cathode layer electrically connected to the first cathode layer. Here, a pad member with electrical insulation property projects on the first surface of the insulating substrate, and the first anode layer is formed on a tip end surface of the pad member.Type: GrantFiled: July 30, 2010Date of Patent: January 1, 2013Assignee: SANYO Electric Co., Ltd.Inventor: Keiko Matsuoka
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Patent number: 8149569Abstract: A solid electrolytic capacitor including a capacitor element having an anode member and a cathode member, an anode terminal electrically connected with the anode member, a cathode terminal electrically connected with the cathode member, and a mold resin portion covering the capacitor element; wherein the cathode terminal has an upper step portion in face-to-face contact with the cathode member and a lower step portion exposed out of the mold resin portion and a bottom surface of the mold resin portion and an upper surface of the lower step portion of the cathode terminal are disposed in an approximately same plane.Type: GrantFiled: November 11, 2008Date of Patent: April 3, 2012Assignee: Sanyo Electric Co., Ltd.Inventors: Keiko Matsuoka, Shoji Umeda
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Publication number: 20120075773Abstract: A solid electrolytic capacitor includes an anode element, a dielectric layer, a solid electrolytic layer, and a cathode layer. The dielectric layer is formed on the anode element. The solid electrolytic layer is formed on the dielectric layer. The cathode layer is formed so as to contact the solid electrolytic layer. The cathode layer is a silver paste layer having an imide-based polymer as a binder resin. A solid electrolytic capacitor that can be improved in characteristics can thus be obtained.Type: ApplicationFiled: September 19, 2011Publication date: March 29, 2012Applicant: SANYO ELECTRIC CO., LTD.Inventor: Keiko Matsuoka
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Publication number: 20120075774Abstract: A method of fabricating a solid electrolytic capacitor of an aspect includes the steps of preparing an anode element with a dielectric layer formed on a surface thereof, forming a solid electrolytic layer on the dielectric layer, forming a carbon layer on the solid electrolytic layer, bringing an aqueous polymer into contact with the carbon layer, and forming a silver paste layer on the aqueous polymer. A method of fabricating a solid electrolytic capacitor and a solid electrolytic capacitor that can be improved in characteristics can thus be obtained.Type: ApplicationFiled: September 19, 2011Publication date: March 29, 2012Applicant: SANYO ELECTRIC CO., LTD.Inventor: Keiko Matsuoka
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Patent number: 8081421Abstract: A solid electrolytic capacitor includes a capacitor element, an anode lead frame, a cathode lead frame, and a mold resin portion. The anode lead frame includes an anode terminal portion and a rising portion, and the anode terminal portion is exposed at the bottom surface of the mold resin portion. The rising portion is formed integral with the anode terminal portion, and rises to the anode portion. In the rising portion, a through hole is formed. The cathode lead frame includes a cathode terminal portion, a pair of side surface portions and a step portion. Thus, a solid electrolytic capacitor allowing highly accurate and reliable attachment of the capacitor element to the lead frame without using any additional member is provided.Type: GrantFiled: December 8, 2008Date of Patent: December 20, 2011Assignee: SANYO Electric Co., Ltd.Inventors: Keiko Matsuoka, Shoji Umeda, Yoshiyuki Fushimi, Koji Tezuka
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Publication number: 20110261505Abstract: A solid electrolytic capacitor is provided that includes a capacitor element having a dielectric coating, a solid electrolyte, and a cathode lead portion formed in order on a surface of an anode portion having an anode lead portion. The cathode lead portion is electrically connected to a cathode terminal by a connecting portion, and the connecting portion is formed of a sintered body of a metal.Type: ApplicationFiled: April 20, 2011Publication date: October 27, 2011Applicant: SANYO ELECTRIC CO., LTD.Inventor: Keiko Matsuoka
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Publication number: 20110249375Abstract: A solid electrolytic capacitor includes a capacitor element, an anode lead frame, a cathode lead frame, and a mold resin portion. The anode lead frame includes an anode terminal portion and a rising portion, and the anode terminal portion is exposed at the bottom surface of the mold resin portion. The rising portion is formed integral with the anode terminal portion, and rises to the anode portion. In the rising portion, a through hole is formed. The cathode lead frame includes a cathode terminal portion, a pair of side surface portions and a step portion. Thus, a solid electrolytic capacitor allowing highly accurate and reliable attachment of the capacitor element to the lead frame without using any additional member is provided.Type: ApplicationFiled: June 21, 2011Publication date: October 13, 2011Applicant: SANYO ELECTRIC CO., LTD.Inventors: Keiko MATSUOKA, Shoji UMEDA, Yoshiyuki FUSHIMI, Koji TEZUKA
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Publication number: 20110228448Abstract: A solid electrolytic capacitor including a capacitor element having an anode member and a cathode member, an anode terminal electrically connected with the anode member, a cathode terminal electrically connected with the cathode member, and a mold resin portion covering the capacitor element; wherein the cathode terminal has an upper step portion, a lower step portion, and a side portion, the upper step portion is connected with the cathode member, the lower step portion is exposed out of the mold resin portion, the side portion is extended along with a side surface of the cathode member from the upper step portion and is connected with the side surface, and the side portion is longer than the upper step portion, in a direction in which the cathode terminal and the anode terminal are aligned.Type: ApplicationFiled: May 26, 2011Publication date: September 22, 2011Applicant: SANYO ELECTRIC CO., LTDInventors: Keiko Matsuoka, Shoji Umeda
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Patent number: 7990685Abstract: A solid electrolytic capacitor includes a capacitor element, an anode lead frame, a cathode lead frame, and a mold resin portion. The anode lead frame includes an anode terminal portion and a rising portion, and the anode terminal portion is exposed at the bottom surface of the mold resin portion. The rising portion is formed integral with the anode terminal portion, and rises to the anode portion. In the rising portion, a through hole is formed. The cathode lead frame includes a cathode terminal portion, a pair of side surface portions and a step portion. Thus, a solid electrolytic capacitor allowing highly accurate and reliable attachment of the capacitor element to the lead frame without using any additional member is provided.Type: GrantFiled: December 8, 2008Date of Patent: August 2, 2011Assignee: Sanyo Electric Co., Ltd.Inventors: Keiko Matsuoka, Shoji Umeda, Yoshiyuki Fushimi, Koji Tezuka
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Patent number: 7990686Abstract: A solid electrolytic capacitor of the present invention includes: a capacitor element having an anode leading part and a cathode leading part; an anode lead frame connected to the anode leading part and a cathode lead frame connected to the cathode leading part; and an packing resin with which the capacitor element is coated, and the anode leading part protrudes from one end face of the capacitor element. The anode lead frame includes: an anode terminal part having an exposed surface exposed from the packing resin, a rising part connected to the anode terminal part, bent toward the anode leading part located in the upper part of the anode terminal part and extending in the packing resin, and a bent part connected to the rising part and bent along a direction which is parallel to a protruding direction of the anode leading part and connected to the anode leading part.Type: GrantFiled: March 12, 2009Date of Patent: August 2, 2011Assignee: Sanyo Electric Co., Ltd.Inventors: Keiko Matsuoka, Shoji Umeda
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Patent number: 7974077Abstract: A solid electrolytic capacitor includes a capacitor element, an anode lead frame, a cathode lead frame, and a mold resin portion. The anode lead frame includes an anode terminal portion and a rising portion. The rising portion is formed integral with the anode terminal portion, and extends from the anode terminal portion through the mold resin portion toward the anode portion, and is connected to the anode portion. At the rising portion, a catching recess and a holding portion are formed and, in addition, a first slit is formed downward from the catching recess. Thus, a solid electrolytic capacitor allowing highly accurate and reliable attachment of the capacitor element to the lead frame without using any additional member is provided.Type: GrantFiled: December 8, 2008Date of Patent: July 5, 2011Assignee: Sanyo Electric Co., Ltd.Inventors: Keiko Matsuoka, Shoji Umeda
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Patent number: 7969713Abstract: A solid electrolytic capacitor includes a capacitor element, an anode lead frame, a cathode lead frame, and a mold resin portion. The anode lead frame includes an anode terminal portion and a rising portion. The rising portion is formed integral with the anode terminal portion, extends from the anode terminal portion through the mold resin and is connected to an anode portion. At the rising portion, a catching portion receiving and supporting the anode portion from below and a hook portion surrounding and holding an outer circumferential surface of the anode portion, with the anode portion received in the catching portion, are formed. Therefore, a solid electrolytic capacitor can be provided, which allows highly accurate attachment of the capacitor element on the lead frame without applying any additional member and reduces equivalent series resistance.Type: GrantFiled: December 8, 2008Date of Patent: June 28, 2011Assignee: Sanyo Electric Co., Ltd.Inventors: Keiko Matsuoka, Shoji Umeda
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Publication number: 20110051318Abstract: The solid electrolytic capacitor includes a solid electrolyte type capacitor element including a dielectric layer intervening between an anode section and a cathode section, and an insulating substrate. The insulating substrate includes a first surface on which the capacitor element is mounted and a second surface opposite to the first surface. The first surface is provided thereon with a first anode layer to which the anode section is electrically connected and a first cathode layer to which the cathode section is electrically connected. The second surface is provided thereon with a second anode layer electrically connected to the first anode layer and a second cathode layer electrically connected to the first cathode layer. Here, a pad member with electrical insulation property projects on the first surface of the insulating substrate, and the first anode layer is formed on a tip end surface of the pad member.Type: ApplicationFiled: July 30, 2010Publication date: March 3, 2011Applicant: SANYO ELECTRIC CO., LTD.Inventor: Keiko Matsuoka
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Patent number: 7869190Abstract: A solid electrolytic capacitor according to the present invention has: a capacitor element (30) having an anode terminal (31) protruding; a resin sheath (6) that covers the capacitor element (30); an anode lead frame (1) having an anode-side terminal surface (10) that is connected to a tip section of the anode terminal (31) of the capacitor element (30) and exposed from the resin sheath (6); and a cathode lead frame (2). The anode lead frame (1) includes, in a portion thereof embedded in the resin sheath (6), a spaced frame section (13) that extends along the anode terminal (31) at a distance from the anode terminal (31) and a bonding frame section (11) that protrudes from a center portion of the spaced frame section (13) to the anode terminal (31) and is bonded to the anode terminal (31).Type: GrantFiled: October 20, 2006Date of Patent: January 11, 2011Assignee: Sanyo Electric Co., Ltd.Inventors: Keiko Matsuoka, Kazuhiro Kato, Hiroyuki Okuda, Koso Ishihara
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Publication number: 20090231784Abstract: A solid electrolytic capacitor of the present invention includes: a capacitor element having an anode leading part and a cathode leading part; an anode lead frame connected to the anode leading part and a cathode lead frame connected to the cathode leading part; and an packing resin with which the capacitor element is coated, and the anode leading part protrudes from one end face of the capacitor element. The anode lead frame includes: an anode terminal part having an exposed surface exposed from the packing resin, a rising part connected to the anode terminal part, bent toward the anode leading part located in the upper part of the anode terminal part and extending in the packing resin, and a bent part connected to the rising part and bent along a direction which is parallel to a protruding direction of the anode leading part and connected to the anode leading part.Type: ApplicationFiled: March 12, 2009Publication date: September 17, 2009Applicant: SANYO ELECTRIC CO., LTD.Inventors: Keiko MATSUOKA, Shoji UMEDA