Patents Assigned to Taiyo Yuden Co., Ltd.
  • Publication number: 20210135196
    Abstract: An all solid battery includes a solid electrolyte layer, a positive electrode layer that includes a positive electrode active material and a negative electrode active material, and a negative electrode layer that includes a positive electrode active material and a negative electrode active material, wherein a relationship “SCathode>SAnode” is satisfied, when a ratio of the positive electrode active material of the positive electrode layer is a ratio A1, a ratio of the negative electrode active material of the positive electrode layer is a ratio B1, a ratio of the positive electrode active material of the negative electrode layer is a ratio A2, a ratio of the negative electrode active material of the negative electrode layer is a ratio B2, SCathode is A1/(A1+B1), and SAnode is A2/(A2+B2).
    Type: Application
    Filed: September 28, 2020
    Publication date: May 6, 2021
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Takato SATO, Daigo ITO
  • Patent number: 10998135
    Abstract: A ceramic electronic component includes external electrodes having conductive resin layers thereinside on respective two ends opposed to each other in a rectangular parallelepiped ceramic component body. Each of the external electrodes includes an underlying metal layer, an intermediate metal layer, a conductive resin layer, an external metal layer. A tip angle ? between an outer face of a tip portion of the wraparound portion of the underlying metal layer and a surface of the ceramic component body is 20° or smaller, and a tip angle ? between an outer face of a tip portion of the wraparound portion of the intermediate metal layer and a surface of the ceramic component body is 20° or smaller.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: May 4, 2021
    Assignee: Taiyo Yuden Co., Ltd
    Inventors: Satoshi Kobayashi, Takahisa Fukuda, Tomoaki Nakamura, Mikio Tahara, Naoki Saito, Kiyoshiro Yatagawa
  • Patent number: 10991513
    Abstract: A composite electronic component includes: a first electronic component including a ceramic body having a main surface caused to face a circuit board at a time of mounting and first and second end surfaces orthogonal to the main surface, and a first external electrode and a second external electrode respectively provided to the first end surface and the second end surface and respectively extending from the first end surface and the second end surface to the main surface; and a second electronic component including a functional film provided to the main surface, and a first electrode film and a second electrode film provided to both end portions of the functional film separately from the first external electrode and the second external electrode, the second electronic component being configured to fit within a thickness of each of the first external electrode and the second external electrode from the main surface.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: April 27, 2021
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Shin Aida, Kenichi Sasaki
  • Publication number: 20210118617
    Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which each of a plurality of dielectric layers and each of a plurality of internal electrode layers are alternately stacked. A ceramic protection section includes a cover layer and a side margin. A main component ceramic of the ceramic protection section is a ceramic material having a perovskite structure expressed as a general formula ABO3. An A site of the perovskite structure includes at least Ba. A B site of the perovskite structure includes at least Ti and Zr. A Zr/Ti ratio which is a molar ratio of Zr and Ti is 0.010 or more and 0.25 or less. An A/B ratio which is a molar ratio of the A site and the B site is 0.990 or less.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 22, 2021
    Applicant: TAIYO YUDEN CO., LTD.
    Inventor: Koichiro MORITA
  • Publication number: 20210119108
    Abstract: A piezoelectric ceramic containing no lead as a constituent element is provided. Coefficient of variation C.V. of grain size of grains contained in the piezoelectric ceramic is 35% or less, and an image quality (IQ) image obtained by analyzing a cross section of the piezoelectric ceramic by an electron backscatter diffraction (EBSD) method shows that at least one of the grains has a grain size of 3 ?m to 5 ?m and an area ratio of a domain in said at least one of the grains is 85% or more.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 22, 2021
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Tomohiro Harada, Yuuhei Ueyama
  • Publication number: 20210118615
    Abstract: A ceramic electronic device includes a multilayer structure in which each of dielectric layers and each of internal electrode layers are alternately stacked, wherein a main component of the dielectric layers is (Ba, Sr, Ca)(Zr, Ti)O3, wherein a Ba concentration and a Ca concentration have variation in at least one of crystal grains in the dielectric layers.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 22, 2021
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Tetsuo SHIMURA, Tomoya HAGIWARA, Yasuyuki INOMATA
  • Patent number: 10984956
    Abstract: A ceramic electronic device includes: a multilayer chip having a first and a second internal electrode layers; a first and a second external electrodes covering a first a second regions of a surface of the multilayer chip, wherein: a mark is shifted on a side of one of two end faces on an upper face; the first internal electrode layer is exposed to the first region and connected to the first external electrode; the second internal electrode layer is exposed to the second region and connected to the second external electrode; the second internal electrode is shifted further on a side of the lower face than on a side of the upper face; the second internal electrode layer is shifted further on a side of the lower face than the upper face; the second region is a region of a half of the surface on the lower face side.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: April 20, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Norihiro Arai, Takeshi Nosaki, Jyouji Ariga, Kazuya Maekawa, Manabu Ozawa, Hiroyuki Moteki
  • Publication number: 20210104753
    Abstract: A solid oxide fuel cell includes a support of which a main component is a metal, and an anode supported by the support, wherein the anode includes a first oxide having electron conductivity, wherein the first oxide is perovskite type oxide expressed as a composition formula ABO3, wherein “A” of the composition formula includes at least one of Ca, Sr, Ba and La, wherein “B” of the composition formula includes at least Cr.
    Type: Application
    Filed: September 24, 2020
    Publication date: April 8, 2021
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Xinyu LI, Chie KAWAMURA
  • Patent number: 10971307
    Abstract: A multi-layer ceramic capacitor includes a multi-layer unit, a side margin, and a bonding unit. The multi-layer unit includes ceramic layers that are laminated in a first direction, and internal electrodes that are disposed between the ceramic layers and include a base metal material as a main component. The side margin includes ceramics as a main component and covers the multi-layer unit from a second direction orthogonal to the first direction. The bonding unit is disposed between the multi-layer unit and the side margin, the bonding unit having a maximum dimension in the first direction and being made of an oxide including the base metal material, the maximum dimension being equal to or larger than 50% of an average dimension of the ceramic layers in the first direction.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: April 6, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Kotaro Mizuno
  • Patent number: 10971302
    Abstract: A multilayer ceramic capacitor includes: a multilayer chip in which each of dielectric layers and each of internal electrode layers are alternately stacked and the internal electrode layers are alternately exposed to two end faces; and external electrodes formed on the two end faces; wherein: a relationship “M??0.00002×EM+0.0012” is satisfied, when a length of end margins in a direction in which the two end faces face with each other is EM [?m] and a ratio of Mo [atm %] to a B site element [atm %] of a main component ceramic in the end margins is M, wherein the end margin is a region, in which internal electrode layers connected to one of the external electrodes without sandwiching internal electrode layers connected to the other of the external electrode, face with each other, in the multilayer chip.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: April 6, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Atsuhiro Yanagisawa, Yoshinori Shibata, Mikio Tahara
  • Patent number: 10971297
    Abstract: In an exemplary embodiment, a passive component which is a surface mounting component, includes: a substrate body 10 having insulation property; an internal conductor 50 embedded in the substrate body 10; and an external electrode 70 provided on the bottom face 12, which is the mounting surface, of the substrate body 10 and electrically connected to the internal conductor 50; wherein the external electrode 70 has a face 86 roughly parallel with the bottom face 12 of the substrate body 10, and a dome-shaped projection 80 that bulges, with reference to the roughly parallel face 86, away from the bottom face 12 of the substrate body 10. The passive component can prevent misalignment problems at mounting.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: April 6, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takayuki Arai, Masanori Nagano
  • Patent number: 10972067
    Abstract: A filter includes: a substrate; input and output terminals located on the substrate; a resonant circuit located in a series pathway between the input and output terminals; a first component including a first inductor, which is electrically connected between a first node in the series pathway and a ground, and mounted in a first region on the substrate; a second component including a second inductor, which is electrically connected between a second node different from the first node in the series pathway and a ground, and mounted in a second region different from the first region on the substrate; and a third component including an acoustic wave resonator, which is electrically connected between a third node between the first and second nodes in the series pathway and a ground, and mounted in a third region between the first and second regions on the substrate.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: April 6, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Jaeho Jeong, Shuei Hashimoto, Naoyuki Tasaka, Sachiko Tanaka, Makoto Inoue
  • Publication number: 20210098194
    Abstract: A multilayer ceramic electronic component includes a ceramic main body including a functional part in which first internal electrodes and second internal electrodes are laminated in a vertical direction, end margin parts provided respectively between a first end surface of the ceramic main body and the second internal electrodes and between a second end surface of the ceramic main body and the first internal electrodes, and side margin parts that respectively cover the functional part from sides. The electronic component further includes external electrodes respectively provided on the first end surface and the second end surface. The end margin parts contain boron (B), and the side margin parts contain silicon (Si) and boron. A concentration of boron in the side margin parts is less than a concentration of boron in the end margin parts.
    Type: Application
    Filed: September 24, 2020
    Publication date: April 1, 2021
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Hideya TERAOKA, Atsushi IMAI
  • Publication number: 20210098683
    Abstract: An electronic device includes a support substrate, a piezoelectric layer that is provided on the support substrate, a functional element including an electrode provided on a surface of the piezoelectric layer, a metallic frame body that is provided on the support substrate so as to surround the piezoelectric layer and the functional element in a plan view, a metallic lid that is provided on the frame body so as to form a space between the lid and the support substrate, and seals the functional element into the space, and a columnar body that is provided between the support substrate and the lid in the space.
    Type: Application
    Filed: September 11, 2020
    Publication date: April 1, 2021
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Ryouta IWABUCHI, Motoi YAMAUCHI, Takashi MIYAGAWA, Tsutomu KIKUCHI, Yuki MARUYA
  • Patent number: 10964482
    Abstract: A multi-layer ceramic capacitor having a weight of 8 mg or more includes a capacitance forming unit and a protective unit. The capacitance forming unit includes internal electrodes that are laminated in a first direction and includes end portions, positions of the end portions in a second direction orthogonal to the first direction being aligned with one another within a range of 0.5 ?m in the second direction. The protective unit covers the capacitance forming unit in the first direction and the second direction and includes an outer surface, a shortest distance between the outer surface and the end portion of an outermost layer in the internal electrodes in the first direction exceeding 10 ?m.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: March 30, 2021
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Yuto Yamato, Takayuki Hattori, Takashi Asai, Hisamitsu Shizuno, Keisuke Ishii
  • Patent number: 10964481
    Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which each of a plurality of dielectric layers and each of a plurality of internal electrode layers are alternately stacked, the plurality of internal electrode layers being alternately exposed to a first edge face and a second edge face of the multilayer structure; and a cover layer that is provided at least on an upper face and a lower face of the multilayer structure, a main component of the cover layer being a same as that of the dielectric layers, wherein: a concentration of a donor element with respect to a main component ceramic of at least one of the cover layer, an end margin region and a side margin region is lower than a concentration of the donor element with respect to a main component ceramic of the dielectric layers in the multilayer structure.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: March 30, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Noriyuki Chigira
  • Patent number: 10957485
    Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which each of a plurality of dielectric layers and each of internal electrode layers are alternately stacked; wherein a main component of the dielectric layers is a ceramic material, wherein a main phase of the ceramic material has a perovskite structure expressed by a general formula ABO3, wherein a B site of the ceramic material includes an element acting as a donor; wherein an A site and the B site of the ceramic material includes a rare earth element, wherein (an amount of the rare earth element substitutionally solid-solved in the A site)/(an amount of the rare earth element substitutionally solid-solved in the B site) is 0.75 or more and 1.25 or less.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: March 23, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Katsuya Taniguchi, Tsuyoshi Sogabe
  • Patent number: 10959358
    Abstract: An electronic component module includes: electronic components mounted on a substrate, each of the electronic components having terminals located on a side, upper, and/or lower surface thereof; and a shield that is located on the substrate, has side plates surrounding the electronic components, and is supplied with a ground potential, wherein in an electronic component closest to one side plate of the side plates among one or more electronic components, in each of which at least one terminal of the terminals is located on the side and/or upper surface, a terminal a first distance of which to the one side plate is shortest among the at least one terminal is a first terminal supplied with the ground potential, and a second distance each of second terminals not supplied with the ground potential to the one side plate is greater than the first distance.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: March 23, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Taiji Ito
  • Publication number: 20210083321
    Abstract: An all-solid battery includes: a multilayer structure that includes a plurality of first electrodes and a plurality of second electrodes, and has a first side face and a second side face adjacent to each other, the plurality of first electrodes and the plurality of second electrodes being alternately stacked with solid electrolyte layers interposed between the plurality of first electrodes and the plurality of second electrodes; a first extraction part exposed on the first side face, the first extraction part being a part of the first electrode; a second extraction part exposed on the second side face, the second extraction part being a part of the second electrode; a first external electrode coupled to the first extraction part on the first side face; and a second external electrode coupled to the second extraction part on the second side face.
    Type: Application
    Filed: September 1, 2020
    Publication date: March 18, 2021
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Daigo ITO, Takato SATOH, Sachie TOMIZAWA, Chie KAWAMURA, Masashi SEKIGUCHI
  • Patent number: 10946726
    Abstract: An air conditioning system includes: an air conditioner to regulate a state of air in a room; a sensor device including at least one detector to detect an amount of an odor-causing substance included in the air in the room; and a control device to control operation of the air conditioner. The control device includes: a first acquisition unit to acquire a detected value of each of the at least one detector at a first timing when a person is present in the room; a second acquisition unit to acquire a detected value of each of the at least one detector at a second timing later than the first timing; a difference calculator to calculate a difference between the detected value at the first timing and the detected value at the second timing; and an instruction unit to control operation of the air conditioner based on the difference.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: March 16, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Masashi Hattori, Yosuke Onda, Kenichi Shimomai, Jin Mikata, Taiji Ito