Patents Assigned to Taiyo Yuden Co., Ltd.
  • Patent number: 10403871
    Abstract: An electric storage cell has an electric storage element and a covering film package. The covering film package houses the electric storage element and includes: a metal layer having a first principle face on the electric storage element side and a second principle face on the opposite side of the first principle face, an internal resin layer made of synthetic resin and laminated to the first principle face, and an external resin layer made of synthetic resin and laminated to the second principle face, with a slit formed at least in the external resin layer; wherein a stress mitigation part to mitigate any stress that tries to separate the internal resin layers that are contacting each other, and a stress concentration part where this stress concentrates, are provided between the slit and the electric storage element.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: September 3, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takayuki Tsuchiya, Hiromi Sato, Shinji Ishii
  • Patent number: 10403437
    Abstract: In an exemplary embodiment, a multilayer ceramic capacitor 10 is formed in such a way that a first face f1 of a capacitor body 11 has a concave shape and a first part 12a of a first external electrode 12 contacts the concave-shaped first face f1, and that a second face f2 of the capacitor body 11 has a concave shape and a first part 13a of a second external electrode 13 contacts the concave-shaped second face f2.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: September 3, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Yusuke Kowase
  • Patent number: 10403438
    Abstract: In an embodiment, a multilayer ceramic capacitor 10 has supplementary dielectric layers 11d covering the spaces between two first base conductor films 11c on both height-direction faces of a capacitive element 11?, respectively, in such a way that clearances CL are left between the first base conductor films 11c and the supplementary dielectric layers 11d in the length direction. External electrodes 12, 13 each have a second base conductor film 12a, 13a and a surface conductor film 12b, 13b, and the wraparound locations 12b1, 13b1 of each surface conductor film 12b, 13b have insertion parts 12b2, 13b2 that fill in the clearances CL. The multilayer ceramic capacitor can mitigate deterioration in moisture resistance.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: September 3, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: So Sato, Yoshiaki Iijima, Takashi Sasaki
  • Patent number: 10404230
    Abstract: A piezoelectric thin film resonator includes: lower and upper electrodes located on a substrate and facing each other; a piezoelectric film sandwiched between the lower and upper electrodes and including lower and upper piezoelectric films, an outer outline of the upper piezoelectric film coinciding with or being located further out than an outer outline of a resonance region in a region surrounding the resonance region, the outer outline of the upper piezoelectric film being located further in than an outer outline of the lower piezoelectric film in the region; an insertion film interposed between the lower and upper piezoelectric films, located in an outer peripheral region within the resonance region, not located in a central region of the resonance region, and located on an upper surface of the lower piezoelectric film in the region; and a protective film located on the upper electrode in the resonance region, and located so as to cover an end face of the upper piezoelectric film and an upper surface of t
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: September 3, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Hiroomi Kaneko, Hiroshi Kawakami, Shinji Taniguchi, Tokihiro Nishihara, Tsuyoshi Yokoyama
  • Patent number: 10395830
    Abstract: A multi-layer ceramic electronic component includes: a ceramic body including first and second main surfaces oriented in a first axial direction, first and second end surfaces oriented in a second axial direction orthogonal to the first axial direction, a first internal electrode drawn to the first end surface, and a second internal electrode facing the first internal electrode and being drawn to the second end surface, the ceramic body being formed to be long in a third axial direction orthogonal to the first and second axial directions, a dimension of the ceramic body in the first axial direction being 80 ?m or less; a first external electrode covering the first end surface and extending from the first end surface to the first and second main surfaces; and a second external electrode covering the second end surface and extending from the second end surface to the first and second main surfaces.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: August 27, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Masataka Watabe, Yasutomo Suga
  • Patent number: 10395831
    Abstract: In an exemplary embodiment, an electronic component with metal terminals includes a multilayer ceramic capacitor 10 having a pair of external electrodes 12, and a pair of metal terminals 20 each having, integrally, a plate-like supporting part 21 and a plate-like connecting part 22, and is constituted so that the supporting part 21 of each of the metal terminals 20 is joined to each of the external electrodes 12 in a manner allowing the connecting parts 22 to face each other, wherein two projecting parts 23 are provided on the connecting face of the connecting part 22 of each of the metal terminals 20.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: August 27, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Naoki Saito
  • Patent number: 10396759
    Abstract: A filter includes: a first substrate; first and second piezoelectric thin film resonators located on the first substrate, each of the resonators including first and second electrodes facing each other across a piezoelectric film, a crystal orientation from the first electrode to the second electrode of the piezoelectric film being the same between the resonators, the first electrodes of the resonators connecting to each other in a connection region between resonance regions where the first and second electrodes face each other across the piezoelectric film, the second electrodes of the resonators failing to connect to each other, and an area of the resonance region being approximately the same between the resonators, a second substrate mounting the first substrate across an air gap; and a ground pattern located on the second substrate and not overlapping with the first electrode located in the resonance regions and the connection region.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: August 27, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Taisei Irieda, Tokihiro Nishihara
  • Patent number: 10395820
    Abstract: A common mode choke coil according to one embodiment of the present invention includes a first coil conductor, a second coil conductor, and a third coil conductor. In the embodiment, the second coil conductor has a different shape than the first coil conductor and the third coil conductor. In the embodiment, the first coil conductor, the second coil conductor, and the third coil conductor extend parallel with each other in a first region in plan view as seen from an axial direction along the coil axis. In the embodiment, in the first region, when seen in a cross section cut along a plane including the coil axis, in an n-th turn, an arranging order of the first coil conductor, the second coil conductor, and the third coil conductor from an inner side in a radial direction thereof is inverted from that in an n+1th turn.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: August 27, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Akira Fukushima, Kenichiro Nogi, Masayuki Shimizu, Akihiro Hoshino
  • Patent number: 10396757
    Abstract: An acoustic wave device includes: a first piezoelectric substrate; a first IDT that includes a plurality of first electrode fingers and is located on a first surface of the first piezoelectric substrate; a second piezoelectric substrate that is located above the first surface; and a second IDT that is located on a second surface of the second piezoelectric substrate, and includes a plurality of second electrode fingers that are non-parallel to the plurality of first electrode fingers, the second surface of the second piezoelectric substrate facing the first surface across an air gap.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: August 27, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Naoki Kakita, Takuma Kuroyanagi
  • Publication number: 20190258302
    Abstract: A power supply module includes: a first resin substrate including a first electrode formed on one surface of a first polyimide substrate; a second resin substrate including a second electrode formed on one surface of a second polyimide substrate, the second resin substrate arranged such that the first and second electrodes oppose to each other; a first switching element provided between the first and second electrodes, and coupled to the first electrode; a second switching element provided between the first and second electrodes, and coupled to the second electrode; and a chip component provided between the first and second electrodes, the chip component having one end coupled to the first electrode at a position different from a region where the first switching element is arranged, and another end coupled to the second electrode at a position different from a region where the second switching element is arranged.
    Type: Application
    Filed: February 19, 2019
    Publication date: August 22, 2019
    Applicant: TAIYO YUDEN CO., LTD.
    Inventor: Yutaka AOKI
  • Publication number: 20190260351
    Abstract: A multiplexer includes: a filter located on a surface of a substrate and including first series and parallel resonators and a first wiring line; and another filter located on another surface of another substrate and including second series and parallel resonators and a second wiring line, each of first resonators among the second series and parallel resonators overlapping with the first series and parallel resonators, and/or the first wiring line, each of second resonators other than the first resonators among the second series and parallel resonators overlapping with none of the first series and parallel resonators and the first wiring line, when capacitances of series and parallel resonators in first basic sections including the first resonators are represented by Cs1 and Cp1, and capacitances of series and parallel resonators in second basic sections not including the first resonators are represented by Cs2 and Cp1, Cp1/Cs1 being less than Cp2/Cs2.
    Type: Application
    Filed: December 28, 2018
    Publication date: August 22, 2019
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Daiki ITOU, Yasuhisa OKAMOTO, Takuma KUROYANAGI, Fumiaki ISAKA
  • Patent number: 10388457
    Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which each of a plurality of ceramic dielectric layers and each of a plurality of internal electrodes are alternately stacked and are alternately exposed to two edge faces of the multilayer structure; a first external electrode that is coupled to one of the two edge faces; and a second external electrode that is coupled to the other of the two edge faces, wherein: a main component of the plurality of ceramic dielectric layers is BaTiO3; the plurality of ceramic dielectric layers include a rare earth element; and an atomic concentration ratio of a total amount of Mn and V with respect to Ti in the plurality of ceramic dielectric layers is 0.035% or more and 0.120% or less.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: August 20, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Kunihiko Nagaoka, Noriyuki Chigira
  • Patent number: 10384860
    Abstract: In an embodiment, a carrier tape 10 for storing electronic components includes a band-shaped tape body 11 and storage recesses 12a, each having length L1, width W1, and depth D1 sufficient to store an electronic component EC, which storage recesses are provided in the tape body 11 at equal intervals in the length direction. On one width-direction side of the storage recesses 12a in the tape body 11, guide recesses 12b are provided in such a way that their depth D2 increases from the top face of the tape body 11 toward the one width-direction side face of the storage recess 12b, and that the guide recesses 12b themselves continue to the storage recesses 12a. The carrier tape is suited for the method of inserting electronic components into the storage recesses in the carrier tape from the side.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: August 20, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takashi Arai, Kageyuki Sekine
  • Patent number: 10381171
    Abstract: An electric storage cell has an electric storage element and a covering body. The covering body houses the electric storage element and has a metal layer with a first principal face on the electric storage element side and a second principal face on the opposite side, an internal resin layer made of resin laminated onto the first principal face, and an external resin layer made of resin laminated onto the second principal face, with a groove part formed on the second principal face side of the metal layer. The above structures provides a highly reliable electric storage cell, covering film, and electric storage module capable of releasing the rising internal pressure safely in the event of abnormality.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: August 13, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Hiromi Sato, Tomofumi Akiba, Shinji Ishii, Katsunori Yokoshima
  • Patent number: 10381160
    Abstract: A multi-layer ceramic electronic component includes a multi-layer unit and an external electrode. The multi-layer unit includes an end surface oriented in a first direction, a side surface oriented in a second direction orthogonal to the first direction, a ridge connecting the end surface and the side surface, ceramic layers, and internal electrodes. The multi-layer ceramic electronic component satisfies the following relationships: A/L?0.0142*ln(L)+0.0256, A/T?0.0274*ln(T)+0.0719, B/L?0.0103*ln(L)+0.0281, and B/T?0.0189*ln(T)+0.0707, where A represents a thickness of the external electrode in the second direction at a position adjacent to the ridge on the side surface, B represents a thickness of the external electrode in the first direction at a position adjacent to the ridge on the end surface, L represents a dimension of the multi-layer ceramic electronic component in the first direction, and T represents a dimension of the multi-layer ceramic electronic component in the second direction.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: August 13, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Katsuo Sakatsume, Masumi Ishii, Takeshi Nosaki, Norihiro Arai, Jyouji Ariga, Yasushi Inoue
  • Patent number: 10381156
    Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which each of a plurality of ceramic dielectric layers and each of a plurality of internal electrode layers are alternately stacked wherein: a concentration of a rare earth element of at least one of an end margin region and a side margin region is lower than that of a capacity region; a total concentration of Si and B of the at least one of the end margin region and the side margin region is higher than that of the capacity region.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: August 13, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Jun Nishikawa, Shusaku Ueda
  • Patent number: 10373761
    Abstract: A multi-layer ceramic capacitor includes a multi-layer unit and a side margin. The multi-layer unit includes a capacitance forming unit and a cover. The capacitance forming unit includes ceramic layers laminated in a first direction and internal electrodes disposed between the ceramic layers and mainly containing nickel. The cover covers the capacitance forming unit from the first direction. The side margin covers the multi-layer unit from a second direction orthogonal to the first direction. The internal electrodes each include an oxidized area adjacent to the side margin and intensively including a metal element that forms an oxide together with nickel. The capacitance forming unit includes a first portion adjacent to the cover and a second portion adjacent to the first portion in the first direction and including the oxidized area having a smaller dimension in the second direction than that of the oxidized area of the first portion.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: August 6, 2019
    Assignee: Taiyo Yuden Co., Ltd.
    Inventor: Kotaro Mizuno
  • Publication number: 20190237409
    Abstract: A method of manufacturing a plurality of identical electronic component modules includes: preparing an assembly substrate that includes a plurality of electronic components mounted thereon; digging a first groove along the dicing lines from a top surface of a sealing member that seals each electronic component, the first groove penetrating the sealing member and reaching an intermediate depth within a base substrate; widening an upper portion of the first grove to define a second groove that is continuous with the lower portion of the first groove; forming a shielding film by depositing a film made of a conductive material on the top surface of the sealing member and on inner walls of the first and second grooves that include the sidewalls of the sealing member; and thereafter, cutting the base substrate at a bottom of the lower portion of the first groove along dicing lines.
    Type: Application
    Filed: April 10, 2019
    Publication date: August 1, 2019
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Kenzo KITAZAKI, Takehiko KAI, Masaya SHIMAMURA, Mikio AOKI, Jin MIKATA, Taiji ITO
  • Publication number: 20190238111
    Abstract: An acoustic wave device includes: a Y-cut X-propagation lithium tantalate substrate having a cut angle of 5° or greater and 18° or less; and a grating electrode that is formed of one or more metal films stacked on the lithium tantalate substrate, a number of the one or more metal films being n (n is a natural number), excites an acoustic wave, and meets a condition: 0.16 ? ? ? ? i = 1 n ? ? ( hi × ? ? ? i ? ? ? 0 ) ? 0.24 ? ? where ?i represents a density of each metal film of the one or more metal films, hi represents a film thickness of the each metal film, ?0 represents a density of Mo, and ? represents a pitch.
    Type: Application
    Filed: December 10, 2018
    Publication date: August 1, 2019
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Masafumi IWAKI, Yoshio SATOH
  • Patent number: 10366833
    Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which each of a plurality of ceramic dielectric layers and each of a plurality of internal electrode layers including a ceramic co-material are alternately stacked, wherein a concentration of Mg in a ceramic grain that is included in the ceramic dielectric layer and contacts to the internal electrode layer is smaller than that in the co-material.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: July 30, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Noriyuki Chigira