Patents by Inventor Takuya Yoshida

Takuya Yoshida 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: 11913813
    Abstract: A power generation element includes a magnetic member that produces a large Barkhausen effect and magnetism collection members including an insertion part having the magnetic member inserted therethrough. The magnetism collection member includes a first component on an opposite side of a boundary plane to a magnetic field generation unit and a second component on the same side of the boundary plane as the magnetic field generation unit, the boundary plane passing through a center of an imaginary circle inscribed in the insertion part and having a diameter equal to a length of the insertion part in a third direction perpendicular to first and second directions, the first direction is a direction of the insertion of the magnetic member, and the second direction is a direction in which the magnetic field generation unit is disposed. A volume of the second component is larger than a volume of the first component.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: February 27, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshitomo Nakamura, Yoshinori Miyamoto, Shinichiro Yoshida, Hisanori Torii, Takeshi Musha, Masanori Nimura, Shizuka Ueda, Takuya Noguchi, Toshio Mekata, Yuji Kubo, Hitoshi Hasegawa
  • Patent number: 11881504
    Abstract: A semiconductor device according to the present disclosure includes: a first conductivity-type silicon substrate including a cell part and a termination part surrounding the cell part in plan view; a first conductivity-type emitter layer provided on a front surface of the silicon substrate in the cell part; a second conductivity-type collector layer provided on a back surface of the silicon substrate in the cell part; a first conductivity-type drift layer provided between the emitter layer and the collector layer; a trench gate provided to reach the drift layer from a front surface of the emitter layer; and a second conductivity-type well layer provided on the front surface of the silicon substrate in the termination part. Vacancies included in a crystal defect in the cell part are less than vacancies included in a crystal defect in the termination part.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: January 23, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kenji Suzuki, Yuki Haraguchi, Haruhiko Minamitake, Taiki Hoshi, Takuya Yoshida, Hidenori Koketsu, Yusuke Miyata, Akira Kiyoi
  • Patent number: 11879492
    Abstract: To reduce the load required to press-fit a nut into a plate material, the nut includes a base part 2 provided with a female screw 18, a cylindrical protrusion part 3 protruding from one surface of the base part and a plurality of foot parts 4 protruding from an outer peripheral surface side of the protrusion part. An end of the respective foot parts closer to the protrusion part is formed so that a width gradually expands from a tip end side toward a protrusion part side, and that both outer sides of the end are arc-shaped in plan view.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: January 23, 2024
    Assignee: Aoyama Seisakusho Co., Ltd.
    Inventors: Shigeki Matsunami, Kazuhiro Koga, Tsuyoshi Kojima, Naoki Hoshino, Takuya Yoshida
  • Publication number: 20230421152
    Abstract: A switching module comprising: a GaN-FET mounted on a substrate; a driver circuit connected to a gate electrode of the GaN-FET via a gate resistor; and a driver power supply for supplying a drive voltage to the driver circuit. The driver circuit is configured such that a plurality of logic integrated circuits are connected in parallel.
    Type: Application
    Filed: June 22, 2021
    Publication date: December 28, 2023
    Applicant: KYOSAN ELECTRIC MFG. CO., LTD.
    Inventors: Hiroshi Kunitama, Takuya Yoshida
  • Publication number: 20230400821
    Abstract: This control device 10 comprises a model construction unit 11 that constructs a model for simulating a control object 20, a problem subdivision unit 12 that subdivides the model constructed by the model construction unit 11, a control measure calculation unit 13 that predicts the future status of the control object 20 using the model subdivided by the problem subdivision unit 12 and that calculates a control measure for the control object 20 on the basis of the predicted future status, and an operation command generation unit 14 that generates operation commands to the control object 20 on the basis of the control measure calculated by the control measure calculation unit 13.
    Type: Application
    Filed: August 30, 2021
    Publication date: December 14, 2023
    Inventors: Takaaki SEKIAI, Yuya TOKUDA, Takuya YOSHIDA
  • Publication number: 20230307963
    Abstract: Disclosed herein is a noise suppression sheet that includes a substrate having a first through hole, and a conductor pattern provided on one surface of the substrate. The conductor pattern has a plurality of linear patterns extending in a first direction and a connection pattern connecting the plurality of linear patterns. The one surface of the substrate has a clearance area surrounded by the plurality of linear patterns and having no conductor pattern. The size of the clearance area in a second direction different from the first direction is larger than an arrangement pitch between the plurality of linear patterns in the second direction. The first through hole is formed in the clearance area.
    Type: Application
    Filed: February 23, 2023
    Publication date: September 28, 2023
    Inventors: Takuya YOSHIDA, Michihisa TOKUI, Noritaka CHIYO
  • Publication number: 20230307954
    Abstract: A wireless power transmission device is provided with a coil unit having first and second main surfaces and configured to be movable between a first position as a laid position of the first main surface and a second position as an erected position of the first main surface, a first coil housed in the coil unit so as to face the first main surface, and a first support member having a facing surface disposed separated from the first main surface by a first distance when the coil unit is at the second position.
    Type: Application
    Filed: March 23, 2023
    Publication date: September 28, 2023
    Applicant: TDK CORPORATION
    Inventors: Michihisa Tokui, Takuya Yoshida
  • Publication number: 20230253830
    Abstract: Disclosed herein is a coil component that includes a substrate, and a planar spiral coil pattern provided on the surface of the substrate. The coil pattern has a circularity higher in its inner shape than in its outer shape.
    Type: Application
    Filed: February 6, 2023
    Publication date: August 10, 2023
    Inventors: Takuya YOSHIDA, Noritaka CHIYO, Michihisa TOKUI, Kentaro KAMIYAMA, Daiki YAMANE
  • Publication number: 20230134084
    Abstract: A high-frequency power supply device is provided with an AC-DC converter for converting an input from a three-phase alternating-current source into a direct current and a high-frequency amplifier including multiple FET elements and outputting a high-frequency alternating-current power, with the output of the AC-DC converter being directly input to the high-frequency amplifier, and further includes a phase conversion circuit for imparting phase differences to gate signals to be input to the multiple FET elements so as to offset fluctuation components included in the direct current. The device generates the high-frequency alternating-current power by converting the input from the three-phase alternating-current source into the direct current, directly inputting the direct current to the high-frequency amplifier, imparting the phase differences to the gate signals to be input to the multiple FET elements so as to offset the fluctuation components included in the direct current, and performing switching.
    Type: Application
    Filed: December 24, 2020
    Publication date: May 4, 2023
    Applicant: KYOSAN ELECTRIC MFG. CO., LTD.
    Inventors: Hiroshi Kunitama, Kunihiro Muto, Takuya Yoshida, Koichi Miyazaki
  • Patent number: 11573541
    Abstract: An objective of the present invention is to provide a future state estimation method and future state estimation device with which, given that the space in which the estimation is carried out is finite, it is possible to rapidly estimate the states of a controlled object and the peripheral environment thereof in the form of probability density distribution for infinite future.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: February 7, 2023
    Assignee: Hitachi, Ltd.
    Inventors: Yuya Tokuda, Takuya Yoshida, Takayasu Kasahara, Tatsurou Yashiki
  • Publication number: 20230004139
    Abstract: A processing device (40) has: a plant control unit (24) that obtains, from an inputted process value (11), a manipulated variable (25) to be outputted in accordance with a control rule (22) and that outputs the manipulated variable to plant equipment; a monitoring necessity determination unit (34) that obtains, from the inputted process value (11), a monitoring level to be outputted in accordance with a monitoring condition signal (32) and that notifies a plant operator of the monitoring level; and a monitoring condition learning unit (31) that, when history data of the process value (11) is inputted as learning data, causes a monitoring condition storage unit (33) to store the monitoring condition signal (32) associated with the monitoring level with respect to a range of a current process value (11) on the basis of a probability of transition from the current process value (11) to a future process value (11).
    Type: Application
    Filed: October 7, 2020
    Publication date: January 5, 2023
    Inventors: Yuya TOKUDA, Takuya YOSHIDA
  • Publication number: 20220352752
    Abstract: Disclosed herein is a coil module that includes a holder having a flat-plate part for placing thereon a target device, a first stopper extending in a first direction along a first side of the flat-plate part, and a second stopper extending in a second direction orthogonal to the first direction along a second side of the flat-plate part; and a coil provided so as to overlap the flat-plate part of the holder. As viewed in a coil axis direction, an outer size of the coil in a third direction inclined at a predetermined angle with respect to the first direction is larger than an outer size of the coil in a fourth direction orthogonal to the third direction.
    Type: Application
    Filed: April 18, 2022
    Publication date: November 3, 2022
    Inventors: Noritaka CHIYO, Michihisa TOKUI, Takuya YOSHIDA
  • Publication number: 20220247453
    Abstract: Disclosed herein is a coil component that includes a first coil pattern, wherein an opening area surrounded by the first coil pattern has a first side extending in a first direction and a second side extending in the first direction, and wherein the first side is longer than the second side.
    Type: Application
    Filed: January 13, 2022
    Publication date: August 4, 2022
    Applicant: TDK Corporation
    Inventors: Noritaka CHIYO, Takuya YOSHIDA, Michihisa TOKUI, Tomohiro MORIKI, Takahiro OHISHI
  • Publication number: 20220234933
    Abstract: A screw-type separation device 1 includes a casing 10 including an object discharging port and discharging an object A having been dehydrated, and a separated liquid discharging port; a screw shaft provided inside the casing and extending in an extending direction that is a direction from the one end part to the other end part; a first screw blade extending spirally on an outer peripheral surface of the screw shaft; and a second screw blade extending spirally on the outer peripheral surface of the screw shaft such that a predetermined gap is formed with respect to the first screw blade in the extending direction. A groove is formed on an inner peripheral surface of the casing.
    Type: Application
    Filed: June 18, 2020
    Publication date: July 28, 2022
    Applicant: METAWATER CO., LTD.
    Inventors: Satoshi INOUE, Yoshitaka HASHIMOTO, Yoshinori ANDO, Takuya YOSHIDA
  • Publication number: 20220181435
    Abstract: A semiconductor device according to the present disclosure includes: a first conductivity-type silicon substrate including a cell part and a termination part surrounding the cell part in plan view; a first conductivity-type emitter layer provided on a front surface of the silicon substrate in the cell part; a second conductivity-type collector layer provided on a back surface of the silicon substrate in the cell part; a first conductivity-type drift layer provided between the emitter layer and the collector layer; a trench gate provided to reach the drift layer from a front surface of the emitter layer; and a second conductivity-type well layer provided on the front surface of the silicon substrate in the termination part. Vacancies included in a crystal defect in the cell part are less than vacancies included in a crystal defect in the termination part.
    Type: Application
    Filed: September 13, 2021
    Publication date: June 9, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kenji SUZUKI, Yuki HARAGUCHI, Haruhiko MINAMITAKE, Taiki HOSHI, Takuya YOSHIDA, Hidenori KOKETSU, Yusuke MIYATA, Akira KIYOI
  • Publication number: 20220173094
    Abstract: A semiconductor device includes a semiconductor substrate, a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, a diode trench gate, and an electrode layer. The first semiconductor layer is provided as a surface layer on the upper surface side of the semiconductor substrate. The second semiconductor layer is provided below the first semiconductor layer. The diode trench gate includes a diode trench insulation film formed along, out of the inner wall of the trench, a lower side wall and a bottom that are located below an upper side wall located on the upper end side of the trench. The diode trench gate includes a diode trench electrode provided inside the trench. The electrode layer covers the upper side wall of the trench. The first semiconductor layer is in contact with the electrode layer on the upper side wall of the trench.
    Type: Application
    Filed: August 23, 2021
    Publication date: June 2, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takuya YOSHIDA, Kenji SUZUKI, Yuki HARAGUCHI, Hidenori KOKETSU
  • Patent number: 11270085
    Abstract: A non-transitory computer-readable recording medium stores therein a generating program that causes a computer to execute a process including: receiving a word; generating a first and a second vectors according to the received word by applying a first and a second conversion parameters each to the received word; and generating a new third vector according to the word based on the generated first and second vectors.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: March 8, 2022
    Assignee: FUJITSU LIMITED
    Inventors: Takuya Nakajima, Ryuichi Takagi, Masashi Kimura, Takamichi Toda, Takuya Yoshida, Kayoko Iwamoto, Naoki Takahashi
  • Publication number: 20210272738
    Abstract: Disclosed herein is a coil component that includes a coil pattern provided on the substrate. The outer and inner shapes of the coil pattern are both larger in width in a first direction than a second direction. The outer shape of the coil pattern has a pair of first outer shape sections and a second outer shape section positioned between the pair of first outer shape sections in the first direction and having a width in the second direction larger than that of the first outer shape sections. The inner shape of the coil pattern has a pair of first inner shape sections and a second inner shape section positioned between the pair of first inner shape sections in the first direction and having a width in the second direction larger than that of the first inner shape sections.
    Type: Application
    Filed: March 1, 2021
    Publication date: September 2, 2021
    Inventors: Noritaka CHIYO, Takuya YOSHIDA
  • Patent number: 11048239
    Abstract: A control parameter optimizing system and an operation optimizing apparatus equipped therewith are provided, the system being applicable to an existing plant without modifying the control panel or equipment of the plant, the system further being capable of optimizing the operation control of the plant in accordance with diverse operational requirements. The system includes an objective function setting section, a plant model, and a control parameter optimizing section. The control parameter optimizing section includes an optimization control parameter selecting section and an optimization control parameter adjusting section. The optimization control parameter selecting section selects as an optimization control parameter the control parameter for optimizing an objective function based on control logic information extracted from a power plant.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: June 29, 2021
    Assignee: Mitsubishi Power, Ltd.
    Inventors: Yasuhiro Yoshida, Takuya Yoshida, Takaaki Sekiai, Yuya Tokuda, Kazunori Yamanaka, Atsushi Yamashita, Norihiro Iyanaga
  • Publication number: 20210115961
    Abstract: To reduce the load required to press-fit a nut into a plate material, the nut includes a base part 2 provided with a female screw 18, a cylindrical protrusion part 3 protruding from one surface of the base part and a plurality of foot parts 4 protruding from an outer peripheral surface side of the protrusion part. An end of the respective foot parts closer to the protrusion part is formed so that a width gradually expands from a tip end side toward a protrusion part side, and that both outer sides of the end are arc-shaped in plan view.
    Type: Application
    Filed: November 18, 2020
    Publication date: April 22, 2021
    Applicant: AOYAMA SEISAKUSHO CO., LTD.
    Inventors: Shigeki MATSUNAMI, Kazuhiro KOGA, Tsuyoshi KOJIMA, Naoki HOSHINO, Takuya YOSHIDA