Patents by Inventor Toru Sakai

Toru Sakai 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: 20200376592
    Abstract: A laser welding device (10) for welding a weld part (35) with laser light (L) includes: a laser emitting head (20) overlapping the laser light (L) and a measurement light (S) coaxially with each other and applying the laser light (L) and the measurement light (S) to the weld part (35), the measurement light (S) having a wavelength different from a wavelength of the laser light (L); a measuring instrument (14) repeatedly measuring a weld penetration depth of the weld part (35) based on the measurement light (S) that is emitted from the laser emitting head (20) and is reflected on the weld part (35), thereby generating a plurality of measured values; and a determiner (17) determining the weld penetration depth of the weld part (35) based on (i) one or more measured values, where among the plurality of measured values, or on (ii) an average value of the one or more measured values, the one or more measured values being included within a predetermined range with reference to a greatest side measured value of the
    Type: Application
    Filed: August 4, 2020
    Publication date: December 3, 2020
    Inventors: TORU SAKAI, MICHIO SAKURAI
  • Patent number: 10848029
    Abstract: The purpose of the present invention is to control the lamination thickness of the laminated core of an axial gap rotating electric machine. The axial gap rotating electric machine is provided with: a stator comprising a plurality of core members arranged circularly about the rotational axis center, said core members each comprising a columnar-laminated core having a flux surface in a rotation axis direction, a coil disposed on the outer perimeter of the core in the radial direction, and a substantially cylindrical bobbin disposed between the core and the coil; and at least one rotor facing the flux surface with a predetermined gap interposed therebetween in the rotation axis direction. The bobbin has an inner cylinder facing the outer perimeter of the core in the radial direction, and at least part of the inner diameter of the inner cylinder becomes gradually smaller along the rotation axis direction and makes contact with the outer perimeter surface of the laminated core in the radial direction.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: November 24, 2020
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Jun Sakurai, Daisaku Takahashi, Toru Sakai, Katsuyuki Yamazaki, Shuuichi Takahashi
  • Publication number: 20200324991
    Abstract: In a case where starting feeding of a subsequent sheet by a feed roller after reaching of the trailing edge of a preceding sheet is detected by a post-registration sensor, a control unit of a sheet feeder controls the feed roller to rotate at a first feeding speed, and in a case where the leading edge of the subsequent sheet has passed through a nip position between the feed roller and a separation roller, the control unit controls the feed roller to rotate at a second feeding speed.
    Type: Application
    Filed: June 25, 2020
    Publication date: October 15, 2020
    Inventors: Tadashi NAKAMURA, Yoshihiro TANIIKE, Shigeru KOSUDA, Toru SAKAI, Toshio OHKI, Masanori TAMAI, Sadayuki KANEKO, Masamune TOKIZAWA
  • Patent number: 10802266
    Abstract: An electrowetting element comprising a first fluid, a second fluid immiscible with the first fluid, a first electrode, a second electrode in contact with the second fluid and a first and second support plate. The first support plate comprises the first electrode and a surface. The second support plate comprises a protrusion which overlaps a first surface portion of the surface and which, with a first voltage with a substantially zero magnitude applied between the first electrode and the second electrode, contacts the second fluid without substantially contacting the first fluid. Upon application of a second voltage with a non-zero magnitude between the first electrode and the second electrode, the first fluid moves such that there is substantially no contact between the first fluid and the first surface portion.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: October 13, 2020
    Assignee: Amazon Technologies, Inc.
    Inventors: Toru Sakai, Robert Andrew Hayes, Karel Johannes Gerhardus Hinnen, Tulasi Sridhar Reddy Guntaka
  • Publication number: 20200290694
    Abstract: A motorcycle includes, in a body front portion: a headlight that includes a headlight case and a lens coupled to a front end of the headlight case; and a headlight cowl that covers a periphery of the headlight. The lens includes a cylindrically-shaped peripheral wall portion coupled to the headlight case. A cylindrically-shaped cover member gradually decreasing in diameter toward the rear of the vehicle is placed between the headlight and the headlight cowl. The cover member covers at least the outside of the peripheral wall portion of the lens.
    Type: Application
    Filed: February 12, 2020
    Publication date: September 17, 2020
    Inventors: Shota Yamasaki, Toru Sakai, Keita Mikura
  • Patent number: 10763716
    Abstract: An axial-air-gap rotating electric machine with a stator bobbin is provided. The bobbin renders the respective turn counts of windings in the machine the same and minimizes the lengths of connecting wires between continuous windings regardless of the continuous turn count, the direction in which each winding is wound, and whether the number of stages is odd or even. The bobbin, which has a tubular shape that substantially matches the exterior shape of a core, is provided with flanges that extend outwards from near the respective openings in the bobbin. One of the flanges has two first notches, and the other flange has a second notch. The axial positions of the starting and finishing ends of coils on adjacent stator cores are the same, and the flanges containing the notches through which the ends of the coils are run are on the same side with respect to the openings.
    Type: Grant
    Filed: April 14, 2014
    Date of Patent: September 1, 2020
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Hirooki Tokoi, Daisuke Kitajima, Tomonori Kawagoe, Katsuyuki Yamazaki, Toru Sakai, Shuuichi Takahashi, Toshifumi Suzuki, Norihisa Iwasaki, Ryousou Masaki, Yuji Enomoto
  • Publication number: 20200234225
    Abstract: A plan registration apparatus includes a processor configured to execute plan registration processing of registering a plan to predetermined plan information on the basis of input information representing the plan, including settings related to participants selected from a plurality of persons to be managed, time zones, and establishment conditions, in which the plan registration processing performs, at registration of plans to the plan information, finalized registration as an established plan in a case where the establishment conditions for the plan are satisfied, and performs provisional registration as a provisional plan before establishment in a case where the establishment conditions of the plan are not satisfied, and cancels the provisional registration and performs the finalized registration for the plan in a case where the establishment conditions for the plan are satisfied after execution of the provisional registration of the plan.
    Type: Application
    Filed: January 14, 2020
    Publication date: July 23, 2020
    Applicant: CASIO COMPUTER CO., LTD.
    Inventor: Toru SAKAI
  • Publication number: 20200199306
    Abstract: An object of the present invention is to produce composite resin particles in which the original physical properties of PTFE derived from fine powder are maintained, and the present invention provides a method for producing composite resin particles, wherein the method includes: a first step in which fine powder containing polytetrafluoroethylene obtained by emulsion polymerization is pulverized in the presence of a ketone-based solvent; a second step in which the pulverized fine powder and a carbon nanomaterial are dispersed in the ketone-based solvent to produce a composite resin particles dispersion; a third step in which the composite resin particles are produced by removing the ketone-based solvent from the composite resin particle dispersion; and wherein the fine powder is pulverized so as to have an average particle diameter of 50 ?m or less, and a temperature of the ketone-based solvent used in the first step is set to 20° C. or less.
    Type: Application
    Filed: June 27, 2018
    Publication date: June 25, 2020
    Inventors: Yasuhito KODA, Kentaro MIYOSHI, Katsunori TAKADA, Toru SAKAI
  • Publication number: 20200165435
    Abstract: An object of the present invention is to provide a resin material that yields a resin molded article which has not only a low volume resistivity but also excellent weldability and cleanliness and whose volume resistivity is unlikely to be increased even when subjected to an SPM cleaning treatment and the like. The present invention provides a composite resin material that contains a modified polytetrafluoroethylene and carbon nanotubes and has an average particle diameter of 500 ?m or smaller.
    Type: Application
    Filed: July 20, 2018
    Publication date: May 28, 2020
    Inventors: Hirokazu YAMAMOTO, Takafumi NAKAGAWA, Hirotaka ITAMI, Isamu NOGUCHI, Katsunori TAKADA, Yasuhito KODA, Toru SAKAI
  • Patent number: 10656408
    Abstract: An electrowetting display device includes a first support plate and a plurality of pixel walls on the first support plate. The plurality of pixel walls are associated with an electrowetting pixel. A pixel electrode is on the first support plate for applying a voltage within the electrowetting pixel. The device includes a second support plate over the first support plate, an organic layer on the second support plate, and an electrode layer on the organic layer. The electrode layer is patterned to include an opening. A pixel spacer is coupled to the second support plate. The pixel spacer includes a first portion in direct contact with the organic layer through the opening in the electrode layer. The pixel spacer is in contact with at least one pixel wall in the plurality of pixel walls.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: May 19, 2020
    Assignee: AMAZON TECHNOLOGIES, INC.
    Inventors: Toru Sakai, Abhishek Kumar, Jacco van der Gaag
  • Patent number: 10630120
    Abstract: An axial-air-gap motor integrally configured by resin molding, a plurality of stator cores being arranged in an annular configuration, wherein the resin is spread in an efficient manner. An axial-air-gap motor, provided with: a plurality of stator cores, a stator, and one or more rotors. The stator cores are provided with a teeth iron core having the shape of an approximate trapezoidal cylinder, a bobbin covering at least the vicinity of both end parts of the outer periphery of the teeth iron core, flange parts provided in the vicinity of the portions of the bobbin that cover the both end parts of the outer periphery of the teeth iron core so as to extend for a predetermined length in a direction perpendicular to the outer periphery of the teeth iron core, and at least one protrusion further extending from the tip of the flange part in the direction of extension.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: April 21, 2020
    Assignee: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    Inventors: Toru Sakai, Katsuyuki Yamazaki
  • Publication number: 20200055733
    Abstract: Carbon nanotubes have at least one crystal defect in a region between a first end and a second end of the carbon nanotubes, of which a ratio (G/D) between an intensity IG of a peak caused by a graphite structure appearing in a G band around 1580 cm?1 and an intensity of ID of a peak caused by various defects appearing in a D band around 1360?1 in Raman spectrum obtained at an excitation wavelength of 632.8 nm is in a range of 0.1 to 0.5.
    Type: Application
    Filed: March 1, 2018
    Publication date: February 20, 2020
    Inventors: Katsunori TAKADA, Toru SAKAI
  • Publication number: 20200048376
    Abstract: Provided is a composite resin material that yields a resin molded body which has not only a low volume resistivity but also excellent electroconductivity and/or antistatic properties and whose volume resistivity is unlikely to be increased even when subjected to, for example, a washing treatment with ozone water. The composite resin material contains a polychlorotrifluoroethylene and carbon nanotubes and has an average particle diameter of 500 ?m or smaller.
    Type: Application
    Filed: October 6, 2017
    Publication date: February 13, 2020
    Inventors: Hirokazu YAMAMOTO, Kazuya NINOMIYA, Hirotaka ITAMI, Takafumi NAKAGAWA, Kentaro MIYOSHI, Katsunori TAKADA, Toru SAKAI
  • Patent number: 10546544
    Abstract: An electrowetting display device comprising an electrowetting element comprising a control system, a first fluid, a second fluid immiscible with the first fluid, and a first and second support plate. A first and second electrode are, respectively, overlapped by a first and second portion of a surface of the first support plate. The control system is operable to apply a sequence of voltages, comprising a first voltage between the second fluid and the first electrode and a second voltage between the second fluid and the second electrode, to configure the first fluid to a plurality of configurations, each of the plurality of different configurations respectively corresponding to the same grey level.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: January 28, 2020
    Assignee: Amazon Technologies, Inc.
    Inventors: Robert Andrew Hayes, Gor Manukyan, Melanie Maria Hubertina Wagemans, Daniel Figura, Bokke Johannes Feenstra, Toru Sakai
  • Patent number: 10536042
    Abstract: An axial air gap type electric motor includes: a stator with stator cores in a ring shape around a rotating shaft and including a laminated iron core that is a prismatic body of metal plate-like members laminated in a radial direction of the rotating shaft, a tubular bobbin with an inner diameter into which the laminated iron core is inserted, and a coil wound on the extension of the outer diameter of the laminated iron core; and a rotor plane-facing the rotating shaft direction end section of the stator with a predetermined air gap interposed therebetween. The laminated iron core includes: a core member with continuously laminated metal plate-like members, the widths of which increase in a rotational direction of the rotating shaft from the center toward a radial direction; and a core member with continuously laminated metal plate-like members, the widths of which are substantially equal.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: January 14, 2020
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Toru Sakai, Daisaku Takahashi, Jun Sakurai, Shuuichi Takahashi, Hirooki Tokoi, Yukimasa Maeda
  • Patent number: 10530210
    Abstract: To ensure ready assembly of a stator and reliably reduce the shaft voltage in an axial air gap rotating electric machine, an axial air gap rotating electric machine has a circular ring-shaped stator formed by a plurality of stator cores arranged about a rotational axis direction in a ring shape. Each stator core comprises a tubular bobbin and a coil, with the tubular bobbin having an iron core inserted into a bobbin inner tubular portion substantially matching the peripheral shape of the iron core. The axial air gap rotating electric machine has a first conductive member having a horizontal portion and a vertical portion contacting the end surface of the bobbin opening portion. The horizontal portion contacts parts of the iron core outer peripheral surface and the inner peripheral surface of the bobbin inner tubular portion, and the vertical portion is conductively connected to the inner circumferential housing surface.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: January 7, 2020
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Hirooki Tokoi, Shuuichi Takahashi, Yasuei Yoneoka, Toshifumi Suzuki, Toru Sakai, Katsuyuki Yamazaki, Ryousou Masaki, Norihisa Iwasaki, Yuji Enomoto
  • Patent number: 10523100
    Abstract: The present invention provides an axial air-gap rotary electric machine with which it is possible to achieve downsizing and increased output as well as an improvement in the support strength of a molded resin and housing and a reduction in the manufacturing cost of the housing. Provided is an axial air-gap rotary electric machine having: a stator in which a plurality of core members, which have at least an iron core and a coil, are arranged in a circular shape centered around a rotating shaft and curved around the inner peripheral surface of a housing; and a rotor that faces an end surface of the iron core with a prescribed air gap therebetween in the radial direction of the rotating shaft. Therein, the housing has, in the surface facing the stator, a hole that communicates with the outside, and the stator has a resin molded portion formed by filling a resin into at least the surface of the core members facing the inner peripheral surface of the housing, and into the hole, and molding integrally.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: December 31, 2019
    Assignee: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    Inventors: Hirooki Tokoi, Shuuichi Takahashi, Yasuei Yoneoka, Shinya Yamaji, Toshifumi Suzuki, Katsuyuki Yamazaki, Toru Sakai, Ryousou Masaki
  • Patent number: 10516057
    Abstract: An electrowetting display device is presented. The device includes a support plate and a plurality of pixel walls over the support plate. The plurality of pixel walls are associated with an electrowetting pixel. The device includes a switch over the support plate. The switch includes a first terminal. The device includes an electrode over the support plate. The electrode is electrically connected to the first terminal of the switch. The electrode defines a notch region extending from a first end of the electrode towards a first pixel wall in the plurality of pixel walls. The device includes an insulated notch structure that includes a dielectric layer. The insulated notch structure is over at least a portion of the switch and at least a portion of the notch region.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: December 24, 2019
    Assignee: AMAZON TECHNOLOGIES, INC.
    Inventors: Toru Sakai, Abhishek Kumar
  • Patent number: 10504458
    Abstract: An electrowetting display device comprising an electrowetting element comprising a control system, a first fluid, a second fluid immiscible with the first fluid, and a first and second support plate. A first and second electrode are, respectively, overlapped by a first and second portion of a surface of the first support plate. The control system is operable to, in response to input data indicative of a grey level and with the first fluid in a retracted configuration and at least partly in contact with the first portion, apply a first voltage between the second fluid and the first electrode to translate the first fluid from the retracted configuration to contact the second portion over a first area, and apply a second voltage between the second fluid and the second electrode to retract the first fluid to contact the second portion over a second area smaller than the first area.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: December 10, 2019
    Assignee: Amazon Technologies, Inc.
    Inventors: Robert Andrew Hayes, Gor Manukyan, Melanie Maria Hubertina Wagemans, Daniel Figura, Bokke Johannes Feenstra, Toru Sakai
  • Publication number: 20190368524
    Abstract: A lap-joined structure including at least one similar metallic material weldable to each other and a different material different in type from the at least one similar metallic material and difficult to be welded to the similar metallic material. The different material is sandwiched and fixed between the similar metallic material. The similar metallic material has at least one exhaust hole or exhaust groove around the weld zone where the similar metallic material is melted and joined together. The exhaust hole or exhaust groove extends through the similar metallic material along its thickness. Thus, the similar metallic material and the different material are fixed and joined together.
    Type: Application
    Filed: January 23, 2018
    Publication date: December 5, 2019
    Inventors: JUNJI FUJIWARA, ATSUHIRO KAWAMOTO, TATSUYUKI NAKAGAWA, TORU SAKAI