Patents by Inventor Tomohiro Terada

Tomohiro Terada 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: 20200353714
    Abstract: There is provided a decorative sheet having a three-dimensional effect by a tactile sense and a visual three-dimensional effect or texture and excellent in design properties. A decorative sheet (10) according to this embodiment is provided with a base material (1), an image design layer (2) provided on a front surface (1a) side of the base material (1), a transparent adhesive layer (3) provided on a front surface (2a) side of the image design layer (2), a transparent thermoplastic resin layer (4) provided on a front surface (3a) side of the transparent adhesive layer (3), and a surface protective layer (5) provided on a front surface (4a) side of the transparent thermoplastic resin layer (4).
    Type: Application
    Filed: January 15, 2019
    Publication date: November 12, 2020
    Inventor: Tomohiro TERADA
  • Patent number: 10505514
    Abstract: A piezoelectric thin film comprises aluminum nitride containing a monad and at least one type among a tetrad and a pentad. The piezoelectric thin film having a large electromechanical coupling factor and a small stiffness.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: December 10, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Yukari Inoue, Tomohiro Terada, Junichi Kimura
  • Patent number: 10504650
    Abstract: A multi-layer ceramic capacitor is disclosed. In an embodiment the dielectric composition includes a perovskite crystal structure containing at least Bi, Na, Sr and Ti, wherein the dielectric composition includes a low-Bi phase in which a Bi concentration is no greater than 0.8 times the mean Bi concentration in the dielectric composition as a whole.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: December 10, 2019
    Assignee: TDK ELECTRONICS AG
    Inventors: Tomoya Imura, Goushi Tauchi, Masakazu Hirose, Tomohiro Terada
  • Patent number: 10501374
    Abstract: The present invention relates to a dielectric composition having a main component and an auxiliary component. The main component is represented by (BiaNabSrcLnd)TiO3, where Ln comprises a rare earth element 0.100?a?0.400, 0.100?b?0.400, 0.100?c?0.700, 0?d?0.100, and 0.900?a+b+c+d?1.50. The auxiliary component contains a first auxiliary component or a second auxiliary component. The first auxiliary component includes an element selected from the group consisting of Li and K and combinations thereof and the second auxiliary component includes an element selected from the group consisting of Cu, Zn, Mn, Mg and Co and combinations thereof.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: December 10, 2019
    Assignee: TDK ELECTRONICS AG
    Inventors: Tomohiro Terada, Yu Katagi, Tomoya Imura
  • Patent number: 10497514
    Abstract: A dielectric composition, a dielectric element, an electronic component and a laminated electric component are disclosed. In an embodiment a dielectric composition has a perovskite crystal structure containing at least Bi, Na, Sr and Ti, wherein the dielectric composition includes a high-Bi phase in which the Bi concentration is at least 1.2 times the mean Bi concentration in the dielectric composition as a whole.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: December 3, 2019
    Assignee: TDK ELECTRONICS AG
    Inventors: Tomoya Imura, Goushi Tauchi, Masakazu Hirose, Tomohiro Terada
  • Patent number: 10497512
    Abstract: A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In an embodiment the dielectric composition has a perovskite crystal structure containing at least Bi, Na, Sr and Ti, wherein the dielectric composition includes at least one selected from among La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Yb, Ba, Ca, Mg and Zn, wherein the dielectric composition includes specific particles having a core-shell structure that has at least one core portion including SrTiO3, and wherein ?<0.20, where ? is the ratio of the number of specific particles with respect to the total number of particles contained in the dielectric composition.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: December 3, 2019
    Assignee: TDK ELECTRONICS AG
    Inventors: Goushi Tauchi, Masakazu Hirose, Tomoya Imura, Tomohiro Terada
  • Patent number: 10490350
    Abstract: A dielectric composition, a dielectric element, an electronic component and a multi-layer electronic component are disclosed. In an embodiment the dielectric composition includes particles having a perovskite crystal structure including at least Bi, Na, Sr and Ti, wherein at least some of the particles have a core-shell structure including a core portion and a shell portion and wherein the content of Bi present in the core portion is at least 1.2 times the content of Bi present in the shell portion.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: November 26, 2019
    Assignee: TDK ELECTRONICS AG
    Inventors: Goushi Tauchi, Masakazu Hirose, Tomoya Imura, Tomohiro Terada
  • Patent number: 10475576
    Abstract: A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In an embodiment the dielectric composition includes particles having a perovskite crystal structure including at least Bi, Na, Sr and Ti, wherein the content of the at least one element selected from La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Yb, Ba, Ca, Mg or Zn is between 0.5 molar parts and 11.1 molar parts, taking the Ti content of the dielectric composition as 100 molar parts, wherein 0.17???2.83, where ? is the molar ratio of Bi with respect to Sr in the dielectric composition, and wherein at least some of the particles include a high-Bi phase having a Bi concentration of at least 1.2 times the mean Bi concentration of the dielectric composition as a whole.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: November 12, 2019
    Assignee: TDK ELECTRONICS AG
    Inventors: Masakazu Hirose, Tomoya Imura, Tomohiro Terada, Goushi Tauchi
  • Patent number: 10475577
    Abstract: A dielectric composition, a dielectric element, an electronic component and a multi-layer electronic component are disclosed. In an embodiment the dielectric composition includes a perovskite crystal structure containing at least Bi, Na, Sr and Ti, wherein the dielectric composition includes at least one selected from among La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Yb, Ba, Ca, Mg and Zn, wherein the dielectric composition includes specific particles having a core-shell structure that has at least one core portion including SrTiO3 and wherein ? is set to 0.20???0.70, where ? is the ratio of the number of specific particles with respect to the total number of particles contained in the dielectric composition.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: November 12, 2019
    Assignee: TDK ELECTRONICS AG
    Inventors: Masakazu Hirose, Goushi Tauchi, Tomoya Imura, Tomohiro Terada
  • Patent number: 10450234
    Abstract: A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In an embodiment a dielectric composition includes particles comprising a perovskite crystal structure including at least Bi, Na, Sr and Ti and at least one element selected from the group consisting of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Yb, Ba, Ca, Mg and Zn, wherein a content of the element is between 0.5 molar pails and 11.1 molar parts, defining a Ti content of the dielectric composition as 100 molar parts, wherein 0.17???2.83, where ? is a molar ratio of Bi with respect to Sr in the dielectric composition, wherein at least some of the particles include a low-Bi phase, and wherein a total surface area of the low-Bi phase within the particles is between 0.1% and 15% of the total surface area of the particles.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: October 22, 2019
    Assignee: TDK ELECTRONICS AG
    Inventors: Masakazu Hirose, Goushi Tauchi, Tomoya Imura, Tomohiro Terada
  • Publication number: 20190319604
    Abstract: A piezoelectric thin film comprises aluminum nitride containing a monad and at least one type among a tetrad and a pentad. The piezoelectric thin film having a large electromechanical coupling factor and a small stiffness.
    Type: Application
    Filed: April 11, 2018
    Publication date: October 17, 2019
    Inventors: Yukari Inoue, Tomohiro Terada, Junichi Kimura
  • Patent number: 10438745
    Abstract: A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In an embodiment the dielectric composition includes particles having a perovskite crystal structure including at least Bi, Na, Sr and Ti, wherein at least some of the particles have a core-shell structure including a core portion and a shell portion, and wherein the content of Bi present in the core portion is no greater than 0.83 times the content of Bi present in the shell portion.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: October 8, 2019
    Assignee: TDK ELECTRONICS AG
    Inventors: Masakazu Hirose, Tomoya Imura, Tomohiro Terada, Goushi Tauchi
  • Patent number: 10388456
    Abstract: A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In an embodiment the dielectric composition includes a perovskite compound comprising a main component having Bi, Na, Sr, Ln and Ti, wherein Ln is at least one type of a rare earth element, and wherein a mean crystal grain size is between 0.1 ?m and 1 ?m.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: August 20, 2019
    Assignee: TDK ELECTRONICS AG
    Inventors: Tomoya Imura, Tomohiro Terada
  • Publication number: 20180222801
    Abstract: A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In an embodiment the dielectric composition includes particles having a perovskite crystal structure including at least Bi, Na, Sr and Ti, wherein the dielectric composition includes at least one selected from among La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Yb, Ba, Ca, Mg and Zn, wherein the content of the at least one selected from among La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Yb, Ba, Ca, Mg and Zn is between 0.5 molar parts and 11.1 molar parts, taking the Ti content of the dielectric composition as 100 molar parts, wherein 0.17???2.83, where ? is the molar ratio of Bi with respect to Sr in the dielectric composition.
    Type: Application
    Filed: June 16, 2016
    Publication date: August 9, 2018
    Applicant: EPCOS AG
    Inventors: Masakazu Hirose, Goushi Tauchi, Tomoya Imura, Tomohiro Terada
  • Publication number: 20180218837
    Abstract: A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In an embodiment the dielectric composition includes particles having a perovskite crystal structure including at least Bi, Na, Sr and Ti, wherein the content of the at least one element selected from La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Yb, Ba, Ca, Mg or Zn is between 0.5 molar parts and 11.1 molar parts, taking the Ti content of the dielectric composition as 100 molar parts, wherein 0.17???2.83, where ? is the molar ratio of Bi with respect to Sr in the dielectric composition, and wherein at least some of the particles include a high-Bi phase having a Bi concentration of at least 1.2 times the mean Bi concentration of the dielectric composition as a whole.
    Type: Application
    Filed: June 16, 2016
    Publication date: August 2, 2018
    Inventors: Masakazu Hirose, Tomoya Imura, Tomohiro Terada, Goushi Tauchi
  • Publication number: 20180218838
    Abstract: A multi-layer ceramic capacitor is disclosed. In an embodiment the dielectric composition includes a perovskite crystal structure containing at least Bi, Na, Sr and Ti, wherein the dielectric composition includes a low-Bi phase in which a Bi concentration is no greater than 0.8 times the mean Bi concentration in the dielectric composition as a whole.
    Type: Application
    Filed: June 16, 2016
    Publication date: August 2, 2018
    Inventors: Tomoya Imura, Goushi Tauchi, Masakazu Hirose, Tomohiro Terada
  • Publication number: 20180211781
    Abstract: A dielectric composition, a dielectric element, an electronic component and a laminated electric component are disclosed. In an embodiment a dielectric composition has a perovskite crystal structure containing at least Bi, Na, Sr and Ti, wherein the dielectric composition includes a high-Bi phase in which the Bi concentration is at least 1.2 times the mean Bi concentration in the dielectric composition as a whole.
    Type: Application
    Filed: June 16, 2016
    Publication date: July 26, 2018
    Inventors: Tomoya Imura, Goushi Tauchi, Masakazu Hirose, Tomohiro Terada
  • Publication number: 20180211779
    Abstract: A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In an embodiment the dielectric composition includes particles having a perovskite crystal structure including at least Bi, Na, Sr and Ti, wherein at least some of the particles have a core-shell structure including a core portion and a shell portion, and wherein the content of Bi present in the core portion is no greater than 0.83 times the content of Bi present in the shell portion.
    Type: Application
    Filed: June 16, 2016
    Publication date: July 26, 2018
    Inventors: Masakazu Hirose, Tomoya Imura, Tomohiro Terada, Goushi Tauchi
  • Publication number: 20180211780
    Abstract: A dielectric composition, a dielectric element, an electronic component and a multi-layer electronic component are disclosed. In an embodiment the dielectric composition includes a perovskite crystal structure containing at least Bi, Na, Sr and Ti, wherein the dielectric composition includes at least one selected from among La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Yb, Ba, Ca, Mg and Zn, wherein the dielectric composition includes specific particles having a core-shell structure that has at least one core portion including SrTiO3 and wherein ? is set to 0.20???0.70, where ? is the ratio of the number of specific particles with respect to the total number of particles contained in the dielectric composition.
    Type: Application
    Filed: June 16, 2016
    Publication date: July 26, 2018
    Applicant: EPCOS AG
    Inventors: Masakazu Hirose, Goushi Tauchi, Tomoya Imura, Tomohiro Terada
  • Publication number: 20180211777
    Abstract: A dielectric composition, a dielectric element, an electronic component and a multi-layer electronic component are disclosed. In an embodiment the dielectric composition includes particles having a perovskite crystal structure including at least Bi, Na, Sr and Ti, wherein at least some of the particles have a core-shell structure including a core portion and a shell portion and wherein the content of Bi present in the core portion is at least 1.2 times the content of Bi present in the shell portion.
    Type: Application
    Filed: June 16, 2016
    Publication date: July 26, 2018
    Inventors: Goushi Tauchi, Masakazu Hirose, Tomoya Imura, Tomohiro Terada