Patents by Inventor Shinichiro Kuroiwa

Shinichiro Kuroiwa 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: 20200413570
    Abstract: An electronic component module includes a second terminal electrode that is independent of a first terminal electrode in terms of potential. A second electronic component is mounted on a board, with a first surface thereof facing the board. A heat transfer portion is disposed on a second surface of the second electronic component, the heat transfer portion being connected to both the first terminal electrode and the second terminal electrode. A heat dissipation portion is connected to the board via the first terminal electrode, the second terminal electrode, and the heat transfer portion.
    Type: Application
    Filed: June 23, 2020
    Publication date: December 31, 2020
    Inventors: Shinichiro KUROIWA, Yukihiro FUJITA, Tadateru YAMADA
  • Patent number: 10811194
    Abstract: A composite electronic component includes a capacitor and a resistor stacked in a height direction. The capacitor includes a capacitor body, and first and second external electrodes. The resistor includes a base portion, a resistor, first and second upper surface conductors, first and second lower surface conductors, first connecting conductors, and second connecting conductors. An upper surface of the base portion of the resistor faces a lower surface of the capacitor body of the capacitor, and the first upper surface conductor and the first external electrode are electrically connected, and the second upper surface conductor and the second external electrode are electrically connected.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: October 20, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuo Hattori, Isamu Fujimoto, Shinichiro Kuroiwa
  • Patent number: 10741331
    Abstract: A composite electronic component includes a capacitor and a resistor stacked in a height direction. The capacitor includes a capacitor body, and first and second external electrodes. The resistor includes a base portion, a resistor, first and second upper surface conductors, first and second lower surface conductors, first connecting conductors, and second connecting conductors. An upper surface of the base portion of the resistor faces a lower surface of the capacitor body of the capacitor, and the first upper surface conductor and the first external electrode are electrically connected, and the second upper surface conductor and the second external electrode are electrically connected.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: August 11, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuo Hattori, Isamu Fujimoto, Shinichiro Kuroiwa
  • Patent number: 10522289
    Abstract: An electronic component includes a component main body including an embedded internal conductor and an outer electrode. The component main body includes an end surface on which the internal conductor is exposed, and a main surface that is continuous with the end surface and intersects with the end surface. The outer electrode includes an end surface covering portion connected to the internal conductor by covering at least a portion of the internal conductor exposed on the end surface, and a main surface covering portion that covers at least a portion of the main surface. At least a portion of an exposed surface of the main surface covering portion includes a Sn plating layer, and at least a portion of an exposed surface of the end surface covering portion includes a Sn—Ni layer.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: December 31, 2019
    Assignee: MURATA & MANUFACTURING CO., LTD.
    Inventors: Shinichiro Kuroiwa, Kazuo Hattori, Isamu Fujimoto, Yasuyuki Sekimoto
  • Patent number: 10453617
    Abstract: A composite electronic component includes an electronic element mounted on a resistance element in a height direction. The electronic element includes an electronic element body, and first and second external electrodes separated from each other in a length direction. The resistance element includes a base portion, a resistor disposed on an upper surface of the base portion, and first and second upper surface conductors on the upper surface of the base portion. The first and second upper surface conductors are separated from each other in the length direction, and the resistor is located between the first and second upper surface conductors. A dimension in the height direction of the resistor is smaller than both a dimension in the height direction of the first external electrode of a portion located on a lower surface of the electronic element body, and a dimension in the height direction of the second external electrode of a portion located on a lower surface of the electronic element body.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: October 22, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuo Hattori, Isamu Fujimoto, Shinichiro Kuroiwa
  • Patent number: 10418183
    Abstract: A composite electronic component includes a capacitor device and a resistor device stacked together in a height direction. The capacitor device includes a capacitor body and first and second external electrodes. The resistor device includes a base, a resistive element, first and second upper surface conductors, first and second lower surface conductors, a first connection conductor, and a second connection conductor. The upper surface of the base of the resistor device faces the lower surface of the capacitor body of the capacitor device, the first upper surface conductor is electrically connected to the first external electrode, and the second upper surface conductor is electrically connected to the second external electrode.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: September 17, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuo Hattori, Isamu Fujimoto, Shinichiro Kuroiwa
  • Publication number: 20190228913
    Abstract: A composite electronic component includes a capacitor and a resistor stacked in a height direction. The capacitor includes a capacitor body, and first and second external electrodes. The resistor includes a base portion, a resistor, first and second upper surface conductors, first and second lower surface conductors, first connecting conductors, and second connecting conductors. An upper surface of the base portion of the resistor faces a lower surface of the capacitor body of the capacitor, and the first upper surface conductor and the first external electrode are electrically connected, and the second upper surface conductor and the second external electrode are electrically connected.
    Type: Application
    Filed: April 2, 2019
    Publication date: July 25, 2019
    Inventors: Kazuo HATTORI, Isamu FUJIMOTO, Shinichiro KUROIWA
  • Publication number: 20190228914
    Abstract: A composite electronic component includes a capacitor and a resistor stacked in a height direction. The capacitor includes a capacitor body, and first and second external electrodes. The resistor includes a base portion, a resistor, first and second upper surface conductors, first and second lower surface conductors, first connecting conductors, and second connecting conductors. An upper surface of the base portion of the resistor faces a lower surface of the capacitor body of the capacitor, and the first upper surface conductor and the first external electrode are electrically connected, and the second upper surface conductor and the second external electrode are electrically connected.
    Type: Application
    Filed: April 2, 2019
    Publication date: July 25, 2019
    Inventors: Kazuo HATTORI, Isamu FUJIMOTO, Shinichiro KUROIWA
  • Patent number: 10319531
    Abstract: A composite electronic component includes a capacitor device and a resistor device stacked together in a height direction. The capacitor device includes a capacitor body and first and second external electrodes. The resistor device includes a base, a resistive element, first and second upper surface conductors, first and second lower surface conductors, a first connection conductor, and a second connection conductor. The upper surface of the base of the resistor device faces the lower surface of the capacitor body of the capacitor device, the first upper surface conductor is electrically connected to the first external electrode, and the second upper surface conductor is electrically connected to the second external electrode.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: June 11, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuo Hattori, Isamu Fujimoto, Shinichiro Kuroiwa
  • Patent number: 10299383
    Abstract: A composite electronic component includes an electronic element and a resistance element in a height direction. The electronic element includes an electronic element body, and a first and second external electrodes separated from each other in a length direction. The resistance element includes a base portion, a resistor disposed on the upper surface of the base portion, a protective film, and first to third upper surface conductors. The first and second upper surface conductors are separated from each other in the length direction, and the resistor and the third upper surface conductor connected thereto are located between the first and the second upper surface conductors.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: May 21, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuo Hattori, Isamu Fujimoto, Shinichiro Kuroiwa
  • Patent number: 10290427
    Abstract: A composite electronic component includes a capacitor and a resistor stacked in a height direction. The capacitor includes a capacitor body, and first and second external electrodes. The resistor includes a base portion, a resistor, first and second upper surface conductors, first and second lower surface conductors, first connecting conductors, and second connecting conductors. An upper surface of the base portion of the resistor faces a lower surface of the capacitor body of the capacitor, and the first upper surface conductor and the first external electrode are electrically connected, and the second upper surface conductor and the second external electrode are electrically connected.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: May 14, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuo Hattori, Isamu Fujimoto, Shinichiro Kuroiwa
  • Publication number: 20190051463
    Abstract: A composite electronic component includes an electronic element mounted on a resistance element in a height direction. The electronic element includes an electronic element body, and first and second external electrodes separated from each other in a length direction. The resistance element includes a base portion, a resistor disposed on an upper surface of the base portion, and first and second upper surface conductors on the upper surface of the base portion. The first and second upper surface conductors are separated from each other in the length direction, and the resistor is located between the first and second upper surface conductors. A dimension in the height direction of the resistor is smaller than both a dimension in the height direction of the first external electrode of a portion located on a lower surface of the electronic element body, and a dimension in the height direction of the second external electrode of a portion located on a lower surface of the electronic element body.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 14, 2019
    Inventors: Kazuo HATTORI, Isamu FUJIMOTO, Shinichiro KUROIWA
  • Patent number: 10186381
    Abstract: A composite electronic component includes an electronic element and a resistance element in a height direction. The electronic element includes an electronic element body, and first and second external electrodes separated from each other in a length direction. The resistance element includes a base portion, a resistor disposed on an upper surface of the base portion, a protective film and first and second upper surface conductors. The first and second upper surface conductors are separated from each other in the length direction and the resistor is between the first and second upper surface conductors. The protective film covers the resistor. Dimensions in the height direction from the upper surface of the base portion to exposed surfaces of a pair of end portions in the length direction of the protective film are smaller than a dimension in the height direction from the upper surface of the base portion to an exposed surface of the protective film in the center portion.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: January 22, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kazuo Hattori, Isamu Fujimoto, Shinichiro Kuroiwa
  • Patent number: 10141116
    Abstract: A composite electronic component includes a capacitor device and a resistor device disposed on one another in a heightwise direction. The capacitor device includes a capacitor body, a first external electrode, and a second external electrode. The resistor device includes a base portion, a resistor body, a first upper surface conductor, a second upper surface conductor, a first lower surface conductor, a second lower surface conductor, a first end surface connection conductor, and a second end surface connection conductor. An upper surface of the base portion of the resistor device faces a lower surface of the capacitor body of the capacitor device, the first upper surface conductor and the first external electrode are electrically connected, and the second upper surface conductor and the second external electrode are electrically connected.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: November 27, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuo Hattori, Isamu Fujimoto, Shinichiro Kuroiwa
  • Patent number: 10134529
    Abstract: A composite electronic component includes an electronic element mounted on a resistance element in a height direction. The electronic element includes an electronic element body, and first and second external electrodes separated from each other in a length direction. The resistance element includes a base portion, a resistor disposed on an upper surface of the base portion, and first and second upper surface conductors on the upper surface of the base portion. The first and second upper surface conductors are separated from each other in the length direction, and the resistor is located between the first and second upper surface conductors. A dimension in the height direction of the resistor is smaller than both a dimension in the height direction of the first external electrode of a portion located on a lower surface of the electronic element body, and a dimension in the height direction of the second external electrode of a portion located on a lower surface of the electronic element body.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: November 20, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuo Hattori, Isamu Fujimoto, Shinichiro Kuroiwa
  • Patent number: 10121593
    Abstract: A composite electronic component includes a first and second electronic elements, and a joint material. The first electronic element includes a base member, and an upper surface conductor on an upper surface of the base member. The second electronic element includes an element body with a lower surface facing the upper surface of the base member, and a terminal conductor disposed on the lower surface of the element body. The joint material joins the upper surface conductor and the terminal conductor. The upper surface conductor includes a conductive layer in which a metal that is maximum in weight ratio is Ag. The lateral surface of the conductive layer is covered with conductive layers defining a protective metal film, and the metal that is maximum in weight ratio contained in the conductive layers defining a protective metal film is a metal other than Ag and Cu.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: November 6, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuo Hattori, Isamu Fujimoto, Shinichiro Kuroiwa
  • Patent number: 10085344
    Abstract: An electronic component includes an inner electrode inside of a main body and exposed at a surface of the main body, and an outer electrode on a surface of the main body and electrically connected to the inner electrode, wherein a plurality of recesses are provided in a surface of the outer electrode, and each of the plurality of recesses includes a portion in which a diameter of an opening of the recess gradually decreases toward an opening side of the recess.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: September 25, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Masaki Hirota, Yoshikazu Sasaoka, Yasunori Taseda, Shinichiro Kuroiwa
  • Publication number: 20180075975
    Abstract: A composite electronic component includes a capacitor device and a resistor device stacked together in a height direction. The capacitor device includes a capacitor body and first and second external electrodes. The resistor device includes a base, a resistive element, first and second upper surface conductors, first and second lower surface conductors, a first connection conductor, and a second connection conductor. The upper surface of the base of the resistor device faces the lower surface of the capacitor body of the capacitor device, the first upper surface conductor is electrically connected to the first external electrode, and the second upper surface conductor is electrically connected to the second external electrode.
    Type: Application
    Filed: September 7, 2017
    Publication date: March 15, 2018
    Inventors: Kazuo HATTORI, Isamu FUJIMOTO, Shinichiro KUROIWA
  • Publication number: 20180075974
    Abstract: A composite electronic component includes a capacitor device and a resistor device stacked together in a height direction. The capacitor device includes a capacitor body and first and second external electrodes. The resistor device includes a base, a resistive element, first and second upper surface conductors, first and second lower surface conductors, a first connection conductor, and a second connection conductor. The upper surface of the base of the resistor device faces the lower surface of the capacitor body of the capacitor device, the first upper surface conductor is electrically connected to the first external electrode, and the second upper surface conductor is electrically connected to the second external electrode.
    Type: Application
    Filed: September 7, 2017
    Publication date: March 15, 2018
    Inventors: Kazuo HATTORI, Isamu FUJIMOTO, Shinichiro KUROIWA
  • Patent number: 9832877
    Abstract: A collective substrate for resistor devices includes a base, a first conductive pattern in a to-be-product region and a to-be-cut-away region of the base, and a resistive element in the to-be-product region of the base. The to-be-cut-away region includes a first region adjacent to the to-be-product region in a first direction, and a second region adjacent to the to-be-product region in a second direction. The first conductive pattern includes a first terminal portion connected to the resistive element and disposed in the to-be-product region, a first electrode portion disposed in the first region and larger in area than the first terminal portion, and a first interconnect portion extended from the first terminal portion toward the second region to be connected to the first electrode portion.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: November 28, 2017
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuo Hattori, Isamu Fujimoto, Shinichiro Kuroiwa