Patents by Inventor Masaaki Togashi

Masaaki Togashi 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).

  • Publication number: 20090141421
    Abstract: A feedthrough capacitor having a pair of first terminal electrodes and a second terminal electrode is mounted on a mounting surface of a substrate. The substrate is an insulating substrate internally having first and second conductor portions isolated from each other, and has a plurality of first via holes, a plurality of second via holes, a plurality of first land electrodes, and a second land electrode. The first via holes and the second via holes, when viewed from the mounting surface side, are arranged in a matrix pattern and alternately arranged in a row direction and in a column direction. The feedthrough capacitor, when viewed from the mounting surface side, is located between a pair of said first via holes adjacent to each other in a direction intersecting with the row direction and also adjacent to each other in a direction intersecting with the column direction.
    Type: Application
    Filed: October 14, 2008
    Publication date: June 4, 2009
    Applicant: TDK Corporation
    Inventor: Masaaki TOGASHI
  • Publication number: 20090135543
    Abstract: A multilayer capacitor has a first inner electrode connected to a first terminal electrode, a second inner electrode connected to a second terminal electrode, and third and fourth inner electrodes connected to third and fourth terminal electrodes. The first and second inner electrodes have no overlapping area therebetween when seen in the opposing direction of the first and second main faces and are arranged at respective positions different from each other in the opposing direction of the first and second main faces and in the opposing direction of the first and second side faces. The third and fourth inner electrodes have no overlapping area therebetween when seen in the opposing direction of the first and second main faces and are arranged at respective positions different from each other in the opposing direction of the first and second main faces and in the opposing direction of the first and second side faces.
    Type: Application
    Filed: November 10, 2008
    Publication date: May 28, 2009
    Applicant: TDK Corporation
    Inventors: Masaaki Togashi, Takashi Aoki, Hiroshi Abe, Hiroshi Okuyama
  • Patent number: 7535694
    Abstract: A first signal internal electrode is connected to a first signal terminal electrode and a second signal internal electrode is connected to a second signal terminal electrode. A first ground internal electrode is connected to a first ground terminal electrode and a second ground internal electrode is connected to a second ground terminal electrode. The first signal internal electrode and the first ground internal electrode have their respective opposed regions. The second signal internal electrode and the second ground internal electrode have their respective opposed regions. The first signal internal electrode and the second ground internal electrode are not opposed to each other. The second signal internal electrode and the first ground internal electrode are not opposed to each other. The first signal internal electrode and the second signal internal electrode are connected through a signal throughhole conductor.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: May 19, 2009
    Assignee: TDK Corporation
    Inventor: Masaaki Togashi
  • Publication number: 20090109596
    Abstract: An element body has first and second inner electrodes which are alternately laminated. The first inner electrode has a first main electrode, a first coupling conductor extending to a first side face of the element body while being connected to an edge part of the first main electrode, and a first lead conductor extending to a third side face while being connected to the first coupling conductor. The second inner electrode has a second main electrode, a second coupling conductor extending to the first side face of the element body while being connected to an edge part of the second main electrode, and a second lead conductor extending to a fourth side face while being connected to the second coupling conductor. The first and second lead conductors are separated from the first and second main electrodes by gaps, respectively.
    Type: Application
    Filed: September 15, 2008
    Publication date: April 30, 2009
    Applicant: TDK CORPORATION
    Inventor: Masaaki TOGASHI
  • Publication number: 20090080137
    Abstract: An NTC capacitor comprises a capacitor body having a plurality of insulator layers laminated therein, first to third inner electrodes arranged within the capacitor body, and first to third terminal electrodes arranged on outer surfaces of the capacitor body. The first inner electrode is connected to only the first terminal electrode. The second inner electrode is connected to only the second terminal electrode. The third inner electrode is connected to only the third terminal electrode. The third inner electrode opposes none of the first and second inner electrodes in the laminating direction of the insulator layers.
    Type: Application
    Filed: September 8, 2008
    Publication date: March 26, 2009
    Applicant: TDK CORPORATION
    Inventor: Masaaki TOGASHI
  • Publication number: 20090052113
    Abstract: A multilayer capacitor comprises a capacitor body having rectangular first and second main faces opposing each other, first and second end faces extending in a shorter side direction of the first and second main faces so as to connect the first and second main faces to each other, and first and second side faces extending in a longer side direction of the first and second main faces so as to connect the first and second main faces to each other. First and second terminal electrodes are arranged on the first and second side faces of the capacitor body, respectively. A first inner electrode connected to the first terminal electrode, a second inner electrode connected to the second terminal electrode, and first and second intermediate electrodes connected to none of the first and second terminal electrodes are arranged within the capacitor body.
    Type: Application
    Filed: August 12, 2008
    Publication date: February 26, 2009
    Applicant: TDK Corporation
    Inventor: Masaaki TOGASHI
  • Patent number: 7495885
    Abstract: A multilayer capacitor has a capacitor element, inner electrodes arranged within the capacitor element, and first to fourth terminal electrodes. Electrode parts of the first to fourth terminal electrodes cover ridges formed between first and third side faces, first and fourth side faces, second and third side faces, and second and fourth side faces. The capacitor element has an element part. The element part is formed such as to overlap the electrode parts when seen in a second and a third directions and keep away from respective areas about the electrode parts when seen in a first direction.
    Type: Grant
    Filed: January 16, 2008
    Date of Patent: February 24, 2009
    Assignee: TDI Corporation
    Inventors: Masaaki Togashi, Takeshi Wada
  • Patent number: 7495884
    Abstract: A multilayer capacitor has a capacitor element body of a nearly rectangular parallelepiped shape in which a signal electrode layer and a GND electrode layer are laminated with a dielectric layer in between, and signal terminal electrodes and GND terminal electrodes each set of which is provided on either of two side faces along the longitudinal direction of the capacitor element body. A signal electrode is led to each of the two side faces along the longitudinal direction of the capacitor element body and connected to the signal terminal electrodes. First GND electrode and second GND electrode are arranged alongside as spaced in a direction perpendicular to the longitudinal direction of the capacitor element body. The first GND electrode is led to one side along the longitudinal direction of the capacitor element body and connected to the GND terminal electrode.
    Type: Grant
    Filed: July 30, 2007
    Date of Patent: February 24, 2009
    Assignee: TDK Corporation
    Inventor: Masaaki Togashi
  • Publication number: 20090034153
    Abstract: A first signal internal electrode is connected to a first signal terminal electrode and a second signal internal electrode is connected to a second signal terminal electrode. A first ground internal electrode is connected to a first ground terminal electrode and a second ground internal electrode is connected to a second ground terminal electrode. The first signal internal electrode and the first ground internal electrode have their respective opposed regions. The second signal internal electrode and the second ground internal electrode have their respective opposed regions. The first signal internal electrode and the second ground internal electrode are not opposed to each other. The second signal internal electrode and the first ground internal electrode are not opposed to each other. The first signal internal electrode and the second signal internal electrode are connected through a signal throughhole conductor.
    Type: Application
    Filed: July 23, 2008
    Publication date: February 5, 2009
    Applicant: TDK Corporation
    Inventor: Masaaki TOGASHI
  • Publication number: 20090015986
    Abstract: A multilayer capacitor has a capacitor element body in which a plurality of insulator layers are laminated, first and second terminal electrodes, a first internal electrode group, and a second internal electrode group. The first and second terminal electrodes are disposed on an external surface extending in a direction parallel to a laminating direction of the insulator layers, among external surfaces of the capacitor element body. The first internal electrode group has a first internal electrode connected to the first terminal electrode, and a second internal electrode connected to the second terminal electrode. The second internal electrode group has a third internal electrode connected to the first terminal electrode, a fourth internal electrode connected to the second terminal electrode, and at least one intermediate internal electrode not connected to the first and second terminal electrodes.
    Type: Application
    Filed: June 10, 2008
    Publication date: January 15, 2009
    Applicant: TDK CORPORATION
    Inventor: Masaaki TOGASHI
  • Publication number: 20090015985
    Abstract: A multilayer capacitor has a capacitor element body, first and second terminal electrodes, and a connection conductor. The capacitor element body has a plurality of insulator layers laminated, and a plurality of first internal electrodes and second internal electrodes arranged as opposed with at least one of the insulator layers in between. The first and second terminal electrodes are disposed on one external surface extending in a direction parallel to a laminating direction of the insulator layers, among external surfaces of the capacitor element body. The connection conductor is disposed on an exterior surface extending in the direction parallel to the laminating direction of the insulator layers, among the external surfaces of the capacitor element body. The first internal electrodes include two types of internal electrodes, a type of internal electrode connected to the first terminal electrode and the connection conductor and a type of internal electrode connected to the connection conductor only.
    Type: Application
    Filed: June 10, 2008
    Publication date: January 15, 2009
    Applicant: TDK CORPORATION
    Inventor: Masaaki Togashi
  • Publication number: 20090015982
    Abstract: A first signal internal electrode is connected to a first signal terminal electrode and a signal connection conductor. A second signal internal electrode is connected to a second signal terminal electrode and the signal connection conductor. A first ground internal electrode is connected to a first ground terminal electrode and a ground connection conductor. A second ground internal electrode is connected to a second ground terminal electrode and the ground connection conductor. The first signal internal electrode and the first ground internal electrode have their respective regions opposed to each other. The second signal internal electrode and the second ground internal electrode have their respective regions opposed to each other. The first signal internal electrode and the second ground internal electrode are not opposed to each other. The second signal internal electrode and the first ground internal electrode are not opposed to each other.
    Type: Application
    Filed: July 8, 2008
    Publication date: January 15, 2009
    Applicant: TDK CORPORATION
    Inventor: Masaaki TOGASHI
  • Publication number: 20080310074
    Abstract: A multilayer capacitor comprises a capacitor body, first and second inner electrodes, and first and second terminal electrodes. A first terminal electrode is arranged on a first surface of the capacitor body which is parallel to a first direction, and connected to the first inner electrode. A second terminal electrode is connected to the second inner electrode. The first inner electrode has a first main electrode portion including a first no-capacity generating region and a first capacity generating region, and a first lead electrode portion. In a second direction, the first terminal electrode is set smaller than the first surface, while the first lead electrode portion is set smaller than the first main electrode portion. The first no-capacity generating region and the first lead electrode portion overlap each other in the second direction when seen in the first direction.
    Type: Application
    Filed: January 22, 2008
    Publication date: December 18, 2008
    Applicant: TDK CORPORATION
    Inventors: Masaaki TOGASHI, Takeshi WADA
  • Publication number: 20080297976
    Abstract: A first terminal electrode has a first electrode portion disposed on a first face and connected to a first internal electrode, and a second electrode portion disposed on a third face and connected to the first electrode portion. A second terminal electrode has a first electrode portion disposed on a second face and connected to a second internal electrode, and a second electrode portion disposed on the third face and connected to the first electrode portion. Each of the second electrode portions of the first and second terminal electrodes, when viewed along a third direction perpendicular to the third face, is arranged with a gap in the second direction so as to sandwich at least a portion of an end in the first direction of an element body region sandwiched between the first internal electrode and the second internal electrode, at an end in the first direction of the second electrode portion.
    Type: Application
    Filed: May 27, 2008
    Publication date: December 4, 2008
    Applicant: TDK CORPORATION
    Inventors: Masaaki TOGASHI, Takeshi WADA
  • Publication number: 20080297977
    Abstract: A first terminal electrode has a first electrode portion disposed on a first face and connected to a first internal electrode, and a second electrode portion disposed on a third face and connected to the first electrode portion. A second terminal electrode has a first electrode portion disposed on a second face and connected to a second internal electrode, and a second electrode portion disposed on the third face and connected to the first electrode portion. Each of the second electrode portions of the first and second terminal electrodes, when viewed along a second direction perpendicular to the third face, is arranged with a gap in a third direction perpendicular to the second directions so as to sandwich at least a portion of an end in the first direction of an element body region sandwiched between the first internal electrode and the second internal electrode, at an end in the first direction of the second electrode portion.
    Type: Application
    Filed: May 27, 2008
    Publication date: December 4, 2008
    Applicant: TDK CORPORATION
    Inventors: Masaaki Togashi, Takeshi Wada
  • Patent number: 7457099
    Abstract: A multilayer capacitor has a capacitor element, inner electrodes arranged within the capacitor element, and first terminal electrodes and second terminal electrodes arranged on the capacitor element. The capacitor element has an element part held between the inner electrodes. The first terminal electrodes and second terminal electrodes have electrode parts. When seen in a second direction, the electrode parts are arranged on first and second side faces in any of a plurality of areas holding the element part therebetween in a third direction and not overlapping the element part.
    Type: Grant
    Filed: January 16, 2008
    Date of Patent: November 25, 2008
    Assignee: TDK Corporation
    Inventors: Masaaki Togashi, Takeshi Wada
  • Patent number: 7446996
    Abstract: A feedthrough capacitor array has first and second terminal electrodes, first and second ground terminal electrodes, first and second signal internal electrodes, and first and second ground internal electrodes. The first signal internal electrode and the first ground internal electrode are arranged so as to be opposed to each other through a part of a dielectric element body. The second signal internal electrode and the second ground internal electrode are arranged to be opposed to each other through a part of the dielectric element body, in an opposed direction of the first signal internal electrode and the first ground internal electrode. The first signal internal electrode and the second ground internal electrode are arranged so as not to overlap each other in the opposed direction of the first signal internal electrode and the first ground internal electrode.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: November 4, 2008
    Assignee: TDK Corporation
    Inventor: Masaaki Togashi
  • Patent number: 7436648
    Abstract: A multilayer capacitor has a multilayer body in which dielectric layers and internal electrode layers are alternately laminated, and terminal electrodes formed on each of two mutually opposed side faces of the multilayer body. Each internal electrode layer includes a plurality of internal electrodes arranged in an array direction along a direction perpendicular to a laminating direction of the multilayer body and parallel to the side faces. A plurality of internal electrodes included in one internal electrode layer are electrically connected to the terminal electrodes respectively. A distance between a plurality of internal electrodes included in one internal electrode layer is not less than 20 ?m nor more than 200 ?m.
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: October 14, 2008
    Assignee: TDK Corporation
    Inventor: Masaaki Togashi
  • Patent number: 7433172
    Abstract: A multilayer capacitor includes a multilayer body with a plurality of dielectric layers, a plurality of first and second inner electrodes alternately laminated, and a plurality of terminal conductors formed on the multilayer body. The plurality of first and second inner electrodes is electrically connected to each other through the connecting conductors. In the plurality of first and second inner electrodes, at least one first inner electrode and one second inner electrode whose number is smaller than the total number of first and second inner electrodes by at least 1 is electrically connected to the first and second terminal conductors through a lead conductor, respectively. The equivalent series resistance of the multilayer capacitor is set to a desirable value by adjusting the number of at least one first inner electrode and one second inner electrode electrically connected to the first and second terminal conductor through the lead conductor, respectively.
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: October 7, 2008
    Assignee: TDK Corporation
    Inventor: Masaaki Togashi
  • Patent number: 7432784
    Abstract: A noise filter has an element body, first to fourth terminal electrodes, and a connection conductor. The first to fourth terminal electrodes are disposed on the exterior of the element body. The connection conductor is also disposed on the exterior of the element body. A capacitor is formed in the element body and is electrically connected between the first and second terminal electrodes and the third and fourth terminal electrodes. The first and second terminal electrodes are electrically connected through the connection conductor. The connection conductor is covered by a resin containing ferrite. Since the connection conductor is covered by the resin containing ferrite, the connection conductor and the ferrite-containing resin function as a ferrite bead inductor.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: October 7, 2008
    Assignee: TDK Corporation
    Inventor: Masaaki Togashi