Patents by Inventor Takayuki Arai

Takayuki Arai 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: 10930420
    Abstract: A coil component includes a magnetic body part and a coil part. The magnetic body part has first and second magnetic layers stacked together alternately in one axis direction, and cover parts covering the first and second magnetic layers from the one axis direction. The coil part has conductor patterns provided on the second magnetic layers. The magnetic body part includes: oblate soft magnetic grain-containing layers extending over the entire range of the magnetic body part in the direction perpendicular to the one axis direction, exposed in the direction perpendicular to the one axis direction, and formed by oblate soft magnetic grains whose thickness direction is oriented in the one axis direction; and spherical grain-containing layers adjoining the oblate soft magnetic grain-containing layers in the one axis direction, and formed by insulative spherical grains.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: February 23, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Masahiro Hachiya, Hitoshi Matsuura, Takayuki Arai, Shuhei Kurahashi, Hideo Machida, Hidekazu Teshigawara, Naoya Honmo
  • Patent number: 10924301
    Abstract: Disclosed is a network control device for performing control of a system including a plurality of terminals and including a plurality of gateway devices that are coupled to a predetermined network, the network control device including a selection unit that selects a first gateway device used by a first terminal based on a quality between the first terminal and the plurality of gateway devices, a tunnel establishing unit that connects between the first terminal and each of other terminals that uses the first gateway device via a tunnel, and a path control unit that performs path control, such that, when a second gateway device used by a second terminal that is a communication destination of the first terminal is same as the first gateway device, traffic from the first terminal to the second terminal is routed through a tunnel between the first terminal and the second terminal, and when the second gateway device is different from the first gateway device, traffic from the first terminal to the second terminal i
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: February 16, 2021
    Assignee: NTT Communications Corporation
    Inventors: Wenyu Shen, Ryu Kanishima, Kenji Arai, Takeo Saga, Takayuki Kamei
  • Publication number: 20210018998
    Abstract: An electronic pen includes a casing, an opening portion formed on one side of the casing, a core body that projects outside of the casing through the opening portion, a circuit board, and a core body insertion member disposed in the casing and having a hollow space that houses the core body. The hollow space includes a hollow portion between the core body insertion member and the core body when the core body insertion member houses the core body, the hollow portion communicating, via the opening portion, with a first space external to the electronic pen, and the hollow portion separated from a second space in which the circuit board is disposed.
    Type: Application
    Filed: October 7, 2020
    Publication date: January 21, 2021
    Inventors: Kenichi Ninomiya, Takayuki Arai, Kohei Tanaka
  • Publication number: 20200411228
    Abstract: A coil component 1 includes a base body 10 having a mounting surface 10b, a coil conductor 25 wound around a coil axis X through a plurality of layers in the base body 10, where the coil conductor 25 has a first end 25a and a second end 25b, external electrodes 21 and 22 provided on the mounting surface 10b, a lead-out conductor 26 connecting the first end 25a of the coil conductor 25 and the external electrode 21, and a lead-out conductor 27 connecting the second end 25b of the coil conductor 25 and the external electrode 22. At least a portion of the lead-out conductor 26 is positioned within a first region R1 inside the coil conductor 25 in a radial direction when seen in a direction of the coil axis X.
    Type: Application
    Filed: June 25, 2020
    Publication date: December 31, 2020
    Inventors: Takayuki ARAI, Naoya TERAUCHI, Tomoo KASHIWA
  • Patent number: 10802616
    Abstract: An electronic pen includes: a tubular casing; a rod-shaped core body that projects outside of the casing through an opening of the casing, the opening being formed on one side in axial direction of the casing; a pen pressure detector disposed within a hollow portion of the casing, wherein the pen pressure detector, in operation detects a pen pressure applied to the core body; a core body insertion member disposed between the pen pressure detector and the opening of the casing within the hollow portion of the casing, the core body insertion member housing the core body movably in the axial direction of the casing and having a hollow space closed on a side of the pen pressure detector by a barrier; and a first sealing member that separates the hollow space of the core body insertion member from the hollow portion of the casing.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: October 13, 2020
    Assignee: Wacom Co., Ltd.
    Inventors: Kenichi Ninomiya, Takayuki Arai, Kohei Tanaka
  • Publication number: 20200313356
    Abstract: A panel mount connector includes a housing that mounts to a panel from a terminal side of the panel and a terminal module that is configured to be supported by and inserted in a channel in the housing from a cable side of the panel. A secondary piece can be used to secure the terminal module to the housing and provide sufficient structure robustness while allowing for ease of assembly and disassembly.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 1, 2020
    Applicant: Molex, LLC
    Inventors: Tommy LAWRENCE, Javier RESENDEZ, Takayuki ARAI
  • Patent number: 10777342
    Abstract: A coil component that can be made thinner while ensuring sufficient magnetic characteristics includes a magnetic part, a conductor part, and multiple insulator parts. The magnetic part is constituted by magnetic alloy grains. The conductor part has multiple winding parts and is wound around one axis inside the magnetic part. The multiple insulator parts are each placed between the multiple winding parts, each having a winding shape that includes two joining surfaces that are respectively joined to two winding parts facing each other at least partially in the direction of the one axis, and are each constituted by electrically insulating grains.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: September 15, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takayuki Arai, Hirotaro Seino, Shinsuke Takeoka, Natsuko Sato, Masanori Nagano, Kenji Otake
  • Publication number: 20200246982
    Abstract: There is provided a robot device including: a head portion coupled to a trunk; four leg portions on a front left, a front right, a rear left, and a rear right coupled to the trunk; a first indirect portion that tilts the head portion left and right; and a second joint portion that rotates, with respect to the trunk, one of the leg portions on the rear left and the rear right to a front side, and the other to a rear side. It is possible to faithfully reproduce the movement of the four-legged animal by providing the first joint portion and the second joint portion.
    Type: Application
    Filed: September 6, 2018
    Publication date: August 6, 2020
    Applicant: SONY CORPORATION
    Inventors: Hidenori ISHIBASHI, Tomoo MIZUKAMI, Takuma ARAKI, Masato MURAKI, Tomoyuki ARAI, Goushi KOIKE, Takayuki ITO, Kouta KATSUMURA, Yohei WATANABE, Muneyuki HORIGUCHI, Takashi MAEDA, Satoshi MUTO, Hideo MIYANO
  • Publication number: 20200176170
    Abstract: An inductance element includes: an insulative substrate body of a rectangular solid shape having length dimension L, height dimension H, and width dimension W, where 1.5?W/H; at least one internal conductor built in the substrate body and capable of making an electrical current flow therethrough in one uniform direction orthogonal to a cross-section of the substrate body; and a pair of external electrodes provided on the surface of the substrate body in a manner respectively connected to both ends of the internal conductor, so that the internal conductor can make an electrical current flow therethrough in the one uniform direction; wherein, in the cross-section of the substrate body, a rectangular internal conductor region having height dimension Eh and width dimension Ew surrounds the internal conductor in a manner contacting the outermost positioned portions of the internal conductor in the height and width directions, wherein Ew/Eh>W/H.
    Type: Application
    Filed: November 15, 2019
    Publication date: June 4, 2020
    Inventors: Naoya TERAUCHI, Takayuki ARAI
  • Publication number: 20200176176
    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: Application
    Filed: February 6, 2020
    Publication date: June 4, 2020
    Inventors: Takayuki ARAI, Masanori NAGANO
  • Publication number: 20200105450
    Abstract: In an exemplary embodiment, a multilayer coil component includes: a substrate body; and a coil embedded in the substrate body and containing a wound conductor; wherein the substrate body has: magnetic layers containing multiple metal magnetic grains, provided around conductor layers that constitute parts of the wound conductor in a direction roughly orthogonal to the coil axis of the coil; and multiple high-hardness insulating grains harder than the multiple metal magnetic grains and smaller in average grain size than the multiple metal magnetic grains, provided between a pair of the conductor layers adjacent to each other in the direction of the coil axis and also between a pair of the magnetic layers adjacent to each other in the direction of the coil axis. The multilayer coil component can prevent shorting in the wound conductor while increasing the inductance.
    Type: Application
    Filed: September 26, 2019
    Publication date: April 2, 2020
    Inventors: Takayuki ARAI, Tomoo KASHIWA
  • Patent number: 10593467
    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: March 27, 2019
    Date of Patent: March 17, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takayuki Arai, Masanori Nagano
  • Patent number: 10553505
    Abstract: To easily assess a feedback capacitance of a semiconductor element. An assessment method of assessing a feedback capacitance of a semiconductor element is provided, the assessment method including: acquiring a first characteristic correlated with the feedback capacitance and a second characteristic correlated with the feedback capacitance; and assessing the feedback capacitance based on the first characteristic and the second characteristic. The first characteristic may be a characteristic that corresponds to a withstanding voltage of the semiconductor element, and the second characteristic may be an on-resistance of the semiconductor element. In the assessing, the feedback capacitance may be assessed based on a ratio between the first characteristic and the second characteristic.
    Type: Grant
    Filed: August 10, 2019
    Date of Patent: February 4, 2020
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventors: Yasushi Niimura, Hideki Shishido, Takayuki Shimatou, Toshihiro Arai
  • Publication number: 20200027653
    Abstract: A magnetic coupling coil element in one embodiment includes a magnetic base body that includes an intermediate magnetic layer, a first magnetic layer disposed over the intermediate magnetic layer, and a second magnetic layer disposed under the intermediate magnetic layer; a first coil conductor provided in the first magnetic layer; and a second coil conductor provided in the second magnetic layer. The intermediate magnetic layer has a saturation magnetic flux density lower than saturation magnetic flux densities of the first magnetic layer and the second magnetic layer in a first region that overlaps with the first coil conductor and the second coil conductor in plan view.
    Type: Application
    Filed: July 15, 2019
    Publication date: January 23, 2020
    Inventors: Naoya TERAUCHI, Takayuki ARAI, Natsuko SATO, Atsuko KASAHARA
  • Patent number: 10503281
    Abstract: A pen pressure detection device includes: a pressure sensor including electrodes that output electrical information corresponding to an applied pressure; and a holder configured to electrically connect the pressure sensor to a circuit board having a circuit that detects the applied pressure based on the electrical information output from the pressure sensor. The holder includes a first portion that retains the pressure sensor and a second portion that engages with the circuit board, and the holder has a surface on which wiring is formed, the wiring extending from the first portion to the second portion, and the electrodes of the pressure sensor being electrically connected to the circuit board via the wiring when the holder and the circuit board are engaged with each other. The pen pressure detection device can be easily assembled and maintain a connection to the circuit board when the applied pressure is high.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: December 10, 2019
    Assignee: Wacom Co., Ltd.
    Inventors: Hiroyuki Fujitsuka, Takenori Kaneda, Takayuki Arai, Kenichi Ninomiya, Kohei Tanaka
  • Publication number: 20190363027
    Abstract: To easily assess a feedback capacitance of a semiconductor element. An assessment method of assessing a feedback capacitance of a semiconductor element is provided, the assessment method including: acquiring a first characteristic correlated with the feedback capacitance and a second characteristic correlated with the feedback capacitance; and assessing the feedback capacitance based on the first characteristic and the second characteristic. The first characteristic may be a characteristic that corresponds to a withstanding voltage of the semiconductor element, and the second characteristic may be an on-resistance of the semiconductor element. In the assessing, the feedback capacitance may be assessed based on a ratio between the first characteristic and the second characteristic.
    Type: Application
    Filed: August 10, 2019
    Publication date: November 28, 2019
    Inventors: Yasushi NIIMURA, Hideki SHISHIDO, Takayuki SHIMATOU, Toshihiro ARAI
  • Publication number: 20190362873
    Abstract: In an exemplary embodiment, a coil component includes: a base part 10 containing a magnetic material; a flat coil 30 embedded in the base part 10, formed by a wound coil conductor 32 where an end part 34 and an end part 36 are located on the inner side and on the outer side of the windings, respectively; a lead conductor 50 and a lead conductor 52 connected to the end part 34 and the end part 36, respectively; an external electrode 60 and an external electrode 62 provided on the surface of the base part 10 and connected to the lead conductor 50 and the lead conductor 52, respectively. The lead conductor 50 is connected to the external electrode 60 in an area 42 on the inner side of the flat coil 30 as viewed from above in the axial direction of the flat coil 30.
    Type: Application
    Filed: May 23, 2019
    Publication date: November 28, 2019
    Inventors: Takayuki ARAI, Naoya TERAUCHI, Shuichi MACHIDA
  • Publication number: 20190354966
    Abstract: A distributed ledger system has a configuration in which each of the distributed ledger subsystems includes a sub-ledger that holds ledger data shared in the distributed ledger subsystems, and a smart contract that interlocks between the distributed ledger subsystems having a common sub-ledger to perform a transaction processing related to an input and output of the ledger data, transmits a transaction request targeted for ledger data of another sub-ledger managed by another distributed ledger subsystem to another distributed ledger subsystem having the common sub-ledger by receiving a predetermined transaction request from a predetermined device and executing the smart contract, and replies with a transaction reply obtained from the other distributed ledger subsystem to the predetermined device.
    Type: Application
    Filed: March 8, 2019
    Publication date: November 21, 2019
    Inventors: Yosuke HIMURA, Tatsuya SATO, Yusuke ARAI, Takayuki NAGAI, Hironori EMARU
  • Publication number: 20190355742
    Abstract: A semiconductor memory device includes a plurality of electrode layers stacked above a first semiconductor layer, a second semiconductor layer and a first film. The second semiconductor layer extends through the plurality of electrode layers in a stacking direction of the plurality of electrode layers. The second semiconductor layer includes an end portion inside the first semiconductor layer. The first film is positioned inside the first semiconductor layer and contacts the first semiconductor layer. The first semiconductor layer includes a first portion, a second portion, and a third portion. The first film is positioned between the first portion and the second portion. The third portion links the first portion and the second portion. The third portion is positioned between the first film and the second semiconductor layer. The second semiconductor layer includes a contact portion contacting the third portion of the first semiconductor layer.
    Type: Application
    Filed: March 8, 2019
    Publication date: November 21, 2019
    Applicant: TOSHIBA MEMORY CORPORATION
    Inventors: Takayuki MARUYAMA, Yoshiaki Fukuzumi, Yuki Sugiura, Shinya Arai, Fumie Kikushima, Keisuke Suda, Takashi Ishida
  • Patent number: 10452164
    Abstract: A position pointing device includes a pressure detecting part which detects a pressure applied in an axial direction of a core body. The core body includes: a leading end part formed from an elastic material; a pedestal part which is formed from a material harder than the material of the leading end part and is joined to the leading end part; and a core body main body part which is joined to the pedestal part, is smaller than the pedestal part in thickness in a direction orthogonal to the axial direction, and is formed from a hard material. The core body is housed in a casing and is movable in the axial direction, such that the leading end part is exposed via an opening of the casing, and a pressure exerted on the leading end part in the axial direction is transmitted to the pressure detecting part.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: October 22, 2019
    Assignee: WACOM CO., LTD.
    Inventors: Takenori Kaneda, Takayuki Arai, Mamoru Ogata, Shinya Aoki