Patents by Inventor Toshio Sakurai

Toshio Sakurai 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).

  • Patent number: 11295896
    Abstract: A multilayer ceramic electronic component includes an element body, a via-hole electrode, and a terminal electrode. The element body includes internal electrode layers and insulation layers alternately laminated in a lamination direction. The via-hole electrode penetrates from an upper surface of the element body thereinto and is connected with at least one of the internal electrode layers. The terminal electrode is formed on the upper surface of the element body and connected with the via-hole electrode. The via-hole electrode is embedded in a via hole formed on the element body so that a predetermined clearance space is formed in the via hole.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: April 5, 2022
    Assignee: TDK CORPORATION
    Inventors: Toshio Sakurai, Hirobumi Tanaka, Keisuke Okai, Daisuke Iwanaga, Hisashi Nakata, Tomoya Shibasaki
  • Publication number: 20220044871
    Abstract: A multi-layer ceramic electronic device includes an element body and terminal electrodes. The terminal electrodes include end electrode parts covering ends of the element body in which internal electrode layers are led and upper electrode parts continuing to the end electrode parts and each partially covering an upper surface of the element body in a lamination direction. The terminal electrodes are not substantially formed on a lower surface of the element body located opposite to the upper surface of the element body in the lamination direction.
    Type: Application
    Filed: October 19, 2021
    Publication date: February 10, 2022
    Applicant: TDK CORPORATION
    Inventors: Hirobumi TANAKA, Toshio SAKURAI, Keisuke OKAI, Daisuke IWANAGA, Hisashi NAKATA, Tomoya SHIBASAKI
  • Patent number: 11195658
    Abstract: A multi-layer ceramic electronic device includes an element body and terminal electrodes. The terminal electrodes include end electrode parts covering ends of the element body in which internal electrode layers are led and upper electrode parts continuing to the end electrode parts and each partially covering an upper surface of the element body in a lamination direction. The terminal electrodes are not substantially formed on a lower surface of the element body located opposite to the upper surface of the element body in the lamination direction.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: December 7, 2021
    Assignee: TDK CORPORATION
    Inventors: Hirobumi Tanaka, Toshio Sakurai, Keisuke Okai, Daisuke Iwanaga, Hisashi Nakata, Tomoya Shibasaki
  • Patent number: 11107632
    Abstract: A multilayer ceramic electronic component includes an element body and a terminal electrode. The element body includes internal electrode layers and insulation layers alternately laminated in a lamination direction. The terminal electrode is formed on an outer surface of the element body to be contacted and connected with the internal electrode layers. The terminal electrode includes an end-side electrode part and an upper-side electrode part. The end-side electrode part covers a leading end of the element body where the internal electrode layers are led. The upper-side electrode part is formed on a part of an upper surface of the element body and continues to the end-side electrode part. The terminal electrode is not substantially formed on a lower surface of the element body located on the other side of the upper surface along the lamination direction.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: August 31, 2021
    Assignee: TDK CORPORATION
    Inventors: Toshio Sakurai, Hirobumi Tanaka, Keisuke Okai, Daisuke Iwanaga, Hisashi Nakata, Tomoya Sihbasaki
  • Publication number: 20200161051
    Abstract: A multi-layer ceramic electronic device includes an element body and terminal electrodes. The terminal electrodes include end electrode parts covering ends of the element body in which internal electrode layers are led and upper electrode parts continuing to the end electrode parts and each partially covering an upper surface of the element body in a lamination direction. The terminal electrodes are not substantially formed on a lower surface of the element body located opposite to the upper surface of the element body in the lamination direction.
    Type: Application
    Filed: October 30, 2019
    Publication date: May 21, 2020
    Applicant: TDK CORPORATION
    Inventors: Hirobumi TANAKA, Toshio SAKURAI, Keisuke OKAI, Daisuke IWANAGA, Hisashi NAKATA, Tomoya SHIBASAKI
  • Publication number: 20200152382
    Abstract: A multi-layer ceramic electronic device includes an element body and terminal electrodes. The terminal electrodes include end electrode parts covering ends of the element body in which internal electrode layers are led and upper electrode parts continuing to the end electrode parts and each partially covering an upper surface of the element body in a lamination direction. An upper-surface cover layer covering the upper surface of the element body located between the upper electrode parts has an external surface substantially flush with external surfaces of the upper electrode parts. The terminal electrodes are not substantially formed on a lower surface of the element body located opposite to the upper surface of the element body in the lamination direction.
    Type: Application
    Filed: October 30, 2019
    Publication date: May 14, 2020
    Applicant: TDK CORPORATION
    Inventors: Toshio SAKURAI, Hirobumi TANAKA, Keisuke OKAI, Daisuke IWANAGA, Hisashi NAKATA, Tomoya SHIBASAKI
  • Publication number: 20200135400
    Abstract: A multilayer ceramic electronic component includes an element body, a via-hole electrode, and a terminal electrode. The element body includes internal electrode layers and insulation layers alternately laminated in a lamination direction. The via-hole electrode penetrates from an upper surface of the element body thereinto and is connected with at least one of the internal electrode layers. The terminal electrode is formed on the upper surface of the element body and connected with the via-hole electrode. The via-hole electrode is embedded in a via hole formed on the element body so that a predetermined clearance space is formed in the via hole.
    Type: Application
    Filed: October 28, 2019
    Publication date: April 30, 2020
    Applicant: TDK CORPORATION
    Inventors: Toshio SAKURAI, Hirobumi TANAKA, Keisuke OKAI, Daisuke IWANAGA, Hisashi NAKATA, Tomoya SHIBASAKI
  • Publication number: 20200035417
    Abstract: A multilayer ceramic electronic component includes an element body and a terminal electrode. The element body includes internal electrode layers and insulation layers alternately laminated in a lamination direction. The terminal electrode is formed on an outer surface of the element body to be contacted and connected with the internal electrode layers. The terminal electrode includes an end-side electrode part and an upper-side electrode part. The end-side electrode part covers a leading end of the element body where the internal electrode layers are led. The upper-side electrode part is formed on a part of an upper surface of the element body and continues to the end-side electrode part. The terminal electrode is not substantially formed on a lower surface of the element body located on the other side of the upper surface along the lamination direction.
    Type: Application
    Filed: July 24, 2019
    Publication date: January 30, 2020
    Applicant: TDK CORPORATION
    Inventors: Toshio SAKURAI, Hirobumi TANAKA, Keisuke OKAI, Daisuke IWANAGA, Hisashi NAKATA, Tomoya SIHBASAKI
  • Patent number: 10534309
    Abstract: A power supply apparatus according to the present disclosure includes a first circuit, a second circuit isolated from the first circuit, an adjustment unit configured to adjust power supplied to a load, a first controller, a detection unit configured to detect a parameter related to the power supplied to the load, a first communication unit, a second communication unit configured to perform wireless communication with the first communication unit, and a second controller. The first communication unit is operated by power supplied by a signal generated in the first communication unit due to a signal output from the second controller. The first communication unit transmits, to the second communication unit, information about a result of detection by the detection unit. The second controller supplies the first controller with a signal for controlling the adjustment unit. The first controller controls the adjustment unit based on the signal.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: January 14, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventor: Toshio Sakurai
  • Patent number: 10481546
    Abstract: A power supply apparatus includes a first circuit, a second circuit, a switcher configured to switch between a power supplied state and a power interrupted state, a driver configured to output a signal for switching the state of the switcher, an adjusting unit, a first control unit, a second control unit, a first communication portion, and a second communication portion. The first control unit is operated by power supplied by a signal generated in the first communication portion. The first control unit transmits, to the second communication portion, information about a detection result. The second control unit controls the adjusting unit based on the information. The first control unit outputs a predetermined signal for causing the driver to output the switching signal for putting the switcher into the interrupted state in a case where abnormality occurs. The driver outputs the switching signal for putting the switcher into the interrupted state based on the predetermined signal.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: November 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Toshio Sakurai
  • Publication number: 20190179251
    Abstract: A power supply apparatus includes a first circuit, a second circuit, a switcher configured to switch between a power supplied state and a power interrupted state, a driver configured to output a signal for switching the state of the switcher, an adjusting unit, a first control unit, a second control unit, a first communication portion, and a second communication portion. The first control unit is operated by power supplied by a signal generated in the first communication portion. The first control unit transmits, to the second communication portion, information about a detection result. The second control unit controls the adjusting unit based on the information. The first control unit outputs a predetermined signal for causing the driver to output the switching signal for putting the switcher into the interrupted state in a case where abnormality occurs. The driver outputs the switching signal for putting the switcher into the interrupted state based on the predetermined signal.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 13, 2019
    Inventor: Toshio Sakurai
  • Publication number: 20190179250
    Abstract: A power supply apparatus according to the present disclosure includes a first circuit, a second circuit isolated from the first circuit, an adjustment unit configured to adjust power supplied to a load, a first controller, a detection unit configured to detect a parameter related to the power supplied to the load, a first communication unit, a second communication unit configured to perform wireless communication with the first communication unit, and a second controller. The first communication unit is operated by power supplied by a signal generated in the first communication unit due to a signal output from the second controller. The first communication unit transmits, to the second communication unit, information about a result of detection by the detection unit. The second controller supplies the first controller with a signal for controlling the adjustment unit. The first controller controls the adjustment unit based on the signal.
    Type: Application
    Filed: November 29, 2018
    Publication date: June 13, 2019
    Inventor: Toshio Sakurai
  • Patent number: 9698464
    Abstract: A transmission line is provided with a line portion with a first relative permittivity which is composed of a first dielectric and a conductor filler dispersed in the first dielectric, and a surrounding dielectric portion composed of a second dielectric with a second relative permittivity, wherein, the surrounding dielectric portion exists around the line portion in a cross section perpendicular to a direction in which electromagnetic waves transmit in the line portion, the first relative permittivity is 600 or more, and the second relative permittivity is smaller than the first relative permittivity. An electronic component has the transmission line. Further, an electronic component is provided with a resonator having a resonant frequency ranging from 1 GHz to 10 GHz, wherein, the resonator is formed by using the transmission line.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: July 4, 2017
    Assignee: TDK CORPORATION
    Inventors: Takashi Fukui, Kiyoshi Hatanaka, Toshio Sakurai, Shigemitsu Tomaki
  • Patent number: 9647316
    Abstract: A transmission line and an electronic component including a resonator using the transmission line are provided. The transmission line is capable of transmitting electromagnetic waves of at least one frequency ranging from 1 GHz to 10 GHz and is composed of a first dielectric with a first relative permittivity and a surrounding dielectric portion composed of a second dielectric with a second relative permittivity, wherein, the first dielectric is represented by a formula of {XBaO.(1?X)SrO}TiO2 (0.25<X?0.55), and the second relative permittivity is smaller than the first relative permittivity.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: May 9, 2017
    Assignee: TDK CORPORATION
    Inventors: Toshio Sakurai, Kiyoshi Hatanaka, Takashi Fukui, Shigemitsu Tomaki
  • Patent number: 9601816
    Abstract: A dielectric line includes a line portion and a surrounding dielectric portion. The line portion is formed of a first dielectric having a first relative permittivity. The surrounding dielectric portion is formed of a second dielectric having a second relative permittivity. The line portion propagates one or more electromagnetic waves of one or more frequencies within the range of 1 to 10 GHz. In a cross section orthogonal to the direction of propagation of the one or more electromagnetic waves through the line portion, the surrounding dielectric portion is present around the line portion. The first relative permittivity is 1,000 or higher. The second relative permittivity is lower than the first relative permittivity.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: March 21, 2017
    Assignee: TDK CORPORATION
    Inventors: Shigemitsu Tomaki, Tomoaki Kawata, Kiyoshi Hatanaka, Toshio Sakurai, Yasunori Sakisaka
  • Publication number: 20160013537
    Abstract: A transmission line and an electronic component including a resonator using the transmission line are provided. The transmission line is capable of transmitting electromagnetic waves of at least one frequency ranging from 1 GHz to 10 GHz and is composed of a first dielectric with a first relative permittivity and a surrounding dielectric portion composed of a second dielectric with a second relative permittivity, wherein, the first dielectric is represented by a formula of {XBa·(1-X)SrO}TiO2 (0.25<X?0.55), and the second relative permittivity is smaller than the first relative permittivity.
    Type: Application
    Filed: July 1, 2015
    Publication date: January 14, 2016
    Inventors: Toshio SAKURAI, Kiyoshi HATANAKA, Takashi FUKUI, Shigemitsu TOMAKI
  • Publication number: 20160013535
    Abstract: A transmission line is provided with a line portion with a first relative permittivity which is composed of a first dielectric and a conductor filler dispersed in the first dielectric, and a surrounding dielectric portion composed of a second dielectric with a second relative permittivity, wherein, the surrounding dielectric portion exists around the line portion in a cross section perpendicular to a direction in which electromagnetic waves transmit in the line portion, the first relative permittivity is 600 or more, and the second relative permittivity is smaller than the first relative permittivity. An electronic component has the transmission line. Further, an electronic component is provided with a resonator having a resonant frequency ranging from 1 GHz to 10 GHz, wherein, the resonator is formed by using the transmission line.
    Type: Application
    Filed: July 1, 2015
    Publication date: January 14, 2016
    Inventors: Takashi FUKUI, Kiyoshi HATANAKA, Toshio SAKURAI, Shigemitsu TOMAKI
  • Publication number: 20150035626
    Abstract: A dielectric line includes a line portion and a surrounding dielectric portion. The line portion is formed of a first dielectric having a first relative permittivity. The surrounding dielectric portion is formed of a second dielectric having a second relative permittivity. The line portion propagates one or more electromagnetic waves of one or more frequencies within the range of 1 to 10 GHz. In a cross section orthogonal to the direction of propagation of the one or more electromagnetic waves through the line portion, the surrounding dielectric portion is present around the line portion. The first relative permittivity is 1,000 or higher. The second relative permittivity is lower than the first relative permittivity.
    Type: Application
    Filed: July 25, 2014
    Publication date: February 5, 2015
    Inventors: Shigemitsu TOMAKI, Tomoaki KAWATA, Kiyoshi HATANAKA, Toshio SAKURAI, Yasunori SAKISAKA
  • Publication number: 20140379144
    Abstract: A system in an industrial plant which has a plurality of manual valves for controlling an amount of fluid flowing through pipes provided in an industrial plant of an embodiment includes: a measuring instrument sensor measuring a state of the plant so as to output a signal indicating measurement result; a transmitter wirelessly transmitting the measured signal; a receiver wirelessly receiving the transmitted signal; and a monitoring and controlling device collecting the received signal, in which the receivers are provided to the manual valves.
    Type: Application
    Filed: June 17, 2014
    Publication date: December 25, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masayuki TOBOU, Toshio SAKURAI, Tadao YAMASHITA, Hiromichi YAMADA
  • Patent number: 8846210
    Abstract: A ceramic electronic component includes a first dielectric layer, a second dielectric layer, and a boundary reaction layer. The first dielectric layer is a layer containing BaO, Nd2O3, and TiO2, the second dielectric layer is a layer containing a material different from the material of the first dielectric layer, and the boundary reaction layer is a layer formed between the first dielectric layer and the second dielectric layer and containing at least one of Zn, Ti, Cu, and Mg.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: September 30, 2014
    Assignee: TDK Corporation
    Inventors: Toshio Sakurai, Hisashi Kobuke, Tomohiro Arashi, Kiyoshi Hatanaka, Yasuharu Miyauchi