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).

  • Patent number: 11964339
    Abstract: A laser welding device includes: an irradiator configured to overlap laser light and measurement light coaxially with each other and apply the laser light and the measurement light to a weld part, a wavelength of the measurement light being different from a wavelength of the laser light; a measuring instrument configured to repeatedly measure a weld penetration depth of the weld part based on the measurement light that is emitted from the irradiator and reflected on the weld part so as to generate measured values; and a determiner configured to determine the weld penetration depth of the weld part based on (i) one or more measured values; or (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 plurality of measured values.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: April 23, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Toru Sakai, Michio Sakurai
  • Publication number: 20240128824
    Abstract: A dynamo-electric machine comprising: a stator core with plurality of slots, a coil covered with insulated conductor wire, wherein the coil comprising plurality of storages stored in the slots and plurality of coil ends that are outside of the slots, conductor of coil end close to the conductor of the heterophase coil having insulating materials at only one of the surfaces, either the inner diameter surface close to the conductor of the heterophase coil or outer diameter surface of the heterophase coil.
    Type: Application
    Filed: December 16, 2021
    Publication date: April 18, 2024
    Inventors: Kenji IKEDA, Yuji ENOMOTO, Hirooki TOKOI, Mizuki NAKAHARA, Hiroyuki MIKAMI, Toshifumi SUZUKI, Toru SAKAI, Masaru AMAIKE, Yuji TSUJI
  • Patent number: 11961321
    Abstract: A biometric skin contact sensor comprising an array of sensor pixels, wherein each sensor pixel comprises: a capacitive sensing electrode for accumulating a charge in response to proximity of a conductive object to be sensed; a reference capacitor connected to the capacitive sensing electrode; a sense voltage-controlled impedance, VCI, having a control terminal connected to a connection between the capacitive sensing electrode and the reference capacitor, the sense VCI having an impedance controlled by its control terminal voltage, and wherein the pixel is arranged so that, in response to a select voltage being applied to the pixel, the control terminal voltage of the sense VCI indicates the proximity of the conductive object to be sensed; and biasing circuitry comprising a one-way conduction path from a bias voltage connection to the control terminal of the sense VCI so that current flows from the bias voltage towards the control terminal of the sense VCI in response to the control terminal voltage of the se
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: April 16, 2024
    Assignee: TOUCH BIOMETRIX LIMITED
    Inventors: Henricus Derckx, Wilhelmus Van Lier, Toru Sakai
  • Publication number: 20240097508
    Abstract: A rotary electric machine (1000) including: a rotor (200); a stator (100) surrounding a periphery of the rotor (200); a first recessed portion (133) disposed in an inner circumferential surface of a back yoke (130) of the stator (100), and extending in an axial direction of the stator (100); and a tooth (120) having one end fitted in the first recessed portion (133), a clearance formed between the first recessed portion (133) and the one end of the tooth (120) fitted in the first recessed portion (133) being smaller in a circumferential direction of the stator (100) than in a radial direction of the stator (100).
    Type: Application
    Filed: November 24, 2021
    Publication date: March 21, 2024
    Inventors: Hirooki TOKOI, Mizuki NAKAHARA, Toshifumi SUZUKI, Masaru AMAIKE, Shuuichi TAKAHASHI, Yasuei YONEOKA, Toru SAKAI
  • Patent number: 11925307
    Abstract: A rechargeable cleaner includes a body, a rechargeable battery, a charger, and a body controller. The body is configured to generate suction power capable of sucking dust together with air using a motor. The rechargeable battery is configured to supply electric power to the motor. The charger is configured to charge the battery. The body controller is disposed in the body. The body controller controls at least one of a charging current and a charging voltage based on cell voltage information indicating a cell voltage, cell temperature information indicating a cell temperature, and battery identification information for identifying the battery that are acquired from the battery, and based on charger identification information for identifying the charger acquired from the charger.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: March 12, 2024
    Assignee: MAKITA CORPORATION
    Inventors: Ryuji Mitsui, Tadahiko Kobayakawa, Takuya Umemura, Toru Yamada, Mamoru Sakai
  • Publication number: 20240021007
    Abstract: A biometric skin contact sensor comprising an array of sensor pixels, wherein each sensor pixel comprises: a capacitive sensing electrode for accumulating a charge in response to proximity of a conductive object to be sensed; a reference capacitor connected to the capacitive sensing electrode; a sense voltage-controlled impedance, VCI, having a control terminal connected to a connection between the capacitive sensing electrode and the reference capacitor, the sense VCI having an impedance controlled by its control terminal voltage, and wherein the pixel is arranged so that, in response to a select voltage being applied to the pixel, the control terminal voltage of the sense VCI indicates the proximity of the conductive object to be sensed; and biasing circuitry comprising a one-way conduction path from a bias voltage connection to the control terminal of the sense VCI so that current flows from the bias voltage towards the control terminal of the sense VCI in response to the control terminal voltage of the se
    Type: Application
    Filed: August 27, 2021
    Publication date: January 18, 2024
    Inventors: Henricus DERCKX, Wilhelmus VAN LIER, Toru SAKAI
  • Patent number: 11872657
    Abstract: A welding system includes a welding apparatus and an appearance inspection apparatus. The appearance inspection apparatus includes: a shape measurement unit that measures the shape of a weld; an image processor that generates image data based on data of the shape; a determination unit that determines whether the shape of the weld is good or bad based on the image data and a determination model; and a feedback unit that extracts shape defect information if the result of the determination by the determination unit is negative. An output controller of the welding apparatus corrects a welding condition for a workpiece based on the shape defect information extracted by the feedback unit.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: January 16, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Michio Sakurai, Narumi Atsuta, Toru Sakai, Masashi Yoshida
  • Publication number: 20230377365
    Abstract: A capacitive biometric skin contact sensor configured to resolve the contours of skin in contact with the sensor, wherein the sensor comprises: an array of sensor pixels, wherein each sensor pixel comprises a thin film transistor and a capacitive sensing electrode connected to the thin film transistor; a plurality of gate drive channels, wherein each gate drive channel is arranged to provide a gate drive signal to one or more of the sensor pixels; a plurality of read-out channels, wherein each read-out channel is arranged to receive a read-out current from one or more of the sensor pixels, each read-out current being indicative of a proximity to a respective capacitive sensing electrode of a conductive object to be sensed; a current multiplexer connected to a plurality of the read-out channels to receive read-out currents therefrom; and a current mirror assembly connected to the multiplexer to receive an input current therefrom and to provide a selected gain to the input current; wherein the sensor is configu
    Type: Application
    Filed: September 7, 2021
    Publication date: November 23, 2023
    Inventors: Henricus DERCKX, Michael COWIN, Wilhelmus VAN LIER, Toru SAKAI
  • Publication number: 20230326230
    Abstract: A capacitive biometric skin contact sensor configured to resolve the contours of skin in contact with the sensor, wherein the sensor comprises: an array of sensor pixels, wherein each sensor pixel comprises a thin film transistor and a capacitive sensing electrode connected to the thin film transistor; a plurality of gate drive channels, wherein each gate drive channel is arranged to provide a gate drive signal to one or more of the sensor pixels; a plurality of read-out channels, wherein each read-out channel is arranged to receive a read-out current from one or more of the sensor pixels, each read-out current being indicative of a proximity to a respective capacitive sensing electrode of a conductive object to be sensed; and an analog to digital converter comprising a dual slope integrator arranged to receive, as its input, either an output current or a reference voltage, wherein said output current is based on one or more read-out currents; wherein the biometric sensor is configured to: apply the output cu
    Type: Application
    Filed: September 7, 2021
    Publication date: October 12, 2023
    Inventors: Henricus DERCKX, Michael COWIN, Wilhelmus VAN LIER, Toru SAKAI
  • Publication number: 20230326231
    Abstract: A capacitive biometric skin contact sensor configured to resolve the contours of skin in contact with the sensor, wherein the sensor comprises: a contact sensing area comprising an array of sensor pixels, wherein each sensor pixel comprises a thin film transistor and a capacitive sensing electrode connected to the thin film transistor; a plurality of gate drive channels, wherein each gate drive channel is arranged to provide a gate drive signal to one or more of the sensor pixels; a plurality of read-out channels, wherein each read-out channel is arranged to receive a read-out current from one or more of the sensor pixels, each read-out current being indicative of a proximity to a respective capacitive sensing electrode of a conductive object to be sensed; a current multiplexer connected to a plurality of the read-out channels to receive read-out currents therefrom; and an analog to digital converter configured to provide a digital signal based on said read-out currents; wherein the sensor is configured to co
    Type: Application
    Filed: September 7, 2021
    Publication date: October 12, 2023
    Inventors: Henricus DERCKX, Michael COWIN, Wilhelmus VAN LIER, Toru SAKAI
  • Publication number: 20230325623
    Abstract: A method of manufacturing a smartcard inlay the method comprising: providing a dielectric sheet; depositing, on a first major surface of the dielectric sheet, an active matrix TFT array comprising at least one conductive layer; wherein the at least one conductive layer is deposited on regions of the dielectric sheet outside the active matrix TFT array to provide electrical connections of the inlay.
    Type: Application
    Filed: September 10, 2021
    Publication date: October 12, 2023
    Inventors: Michael COWIN, Henricus DERCKX, Wilhelmus VAN LIER, Toru SAKAI
  • Patent number: 11645094
    Abstract: Provided is an information processing apparatus including at least one processor that executes a display control process to display a remote operation screen, a copy of an operation screen displayed on a display of a representative terminal device, for collective remote operation of multiple terminal devices in a first display region. In the display control process, in response to a user operation on the remote operation screen, the processor displays, in the first display region, a result of an input of the user operation to the representative terminal device, and displays, in a second display region, a copy of a screen that is displayed on a display of the multiple terminal devices other than the representative terminal device and that shows a result of an input of the user operation to the multiple terminal devices other than the representative terminal device, the second display region being different from the first display region.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: May 9, 2023
    Assignee: CASIO COMPUTER CO., LTD.
    Inventor: Toru Sakai
  • Patent number: 11613324
    Abstract: A saddle riding vehicle includes a steering handlebar, a pair of left and right handle posts that supports the handlebar, and a stay that supports an electric part. In the saddle riding vehicle, the stay is supported by the handle posts, the electric part includes a first electric part and a second electric part, and the second electric part is disposed at least at a position between the left and right handle posts in a vehicle front view.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: March 28, 2023
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Takuro Tanaka, Toru Sakai, Kei Mayuzumi
  • Patent number: 11591175
    Abstract: In a case where feeding of a subsequent sheet by a feed roller is started after 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: Grant
    Filed: June 25, 2020
    Date of Patent: February 28, 2023
    Assignee: Canon Denshi Kabushiki Kaisha
    Inventors: Tadashi Nakamura, Yoshihiro Taniike, Shigeru Kosuda, Toru Sakai, Toshio Ohki, Masanori Tamai, Sadayuki Kaneko, Masamune Tokizawa
  • Patent number: 11536305
    Abstract: A junction structure includes a first material that is a metallic material, a third material that is a metallic material and is weldable to the first material, and a second material which is a nonferrous metallic material or a nonmetallic material. The second material is sandwiched and fixed between the first material and the third material by lap joining. At least one of the first material or the third material has a weld zone where the first material and the third material are melted and joined together, and at least one exhaust groove or at least one exhaust hole around the weld zone. The at least one exhaust groove or the at least one exhaust hole penetrates a thickness of the at least one of the first material or the third material.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: December 27, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Junji Fujiwara, Atsuhiro Kawamoto, Tatsuyuki Nakagawa, Toru Sakai
  • Patent number: 11511370
    Abstract: A plurality of values measured are relatively compared to determine an optical axis deviation direction in which an optical axis of a measurement beam S deviates from a laser beam L. In performing laser welding in the optical axis deviation direction, an irradiation position of the measurement beam S is changed so that the irradiation position of the measurement beam S is moved to a rear side of the center of the optical axis of the laser beam L in the welding direction.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: November 29, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Michio Sakurai, Toshiyuki Mishima, Toru Sakai, Kenta Kubota, Kensuke Urata
  • Patent number: 11407464
    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: Grant
    Filed: February 12, 2020
    Date of Patent: August 9, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Shota Yamasaki, Toru Sakai, Keita Mikura
  • Publication number: 20220169786
    Abstract: A method for producing a decolorized polyester according to the present invention includes: a step of preparing a polyester colored with a colorant, and a decolorizing agent containing a glycol ether-type compound having a boiling point at atmospheric pressure of 160° C. or higher; and a step of removing the colorant, by bringing the decolorizing agent into contact at least once with the colored polyester while heating the decolorizing agent to a temperature equal to or lower than a melting point of the polyester, to thereby obtain the decolorized polyester.
    Type: Application
    Filed: April 15, 2019
    Publication date: June 2, 2022
    Applicants: SHINTECH CORPORATION, JEPLAN, INC.
    Inventors: Masaki TAKAO, Toru SAKAI, Hiroshi FUJITA, Shuji INADA
  • Patent number: 11251670
    Abstract: An axial air-gap rotary electric machine includes a stator, a coil, and a bobbin. The bobbin includes a tube and a flange. The coil is wound on the outer periphery of the tube portion with regular winding. A number of turns of each of a plurality of layers wound around an external side of a last layer in contact with the flange is at least one less than a number of turns of each of a plurality of layers wound around an adjacent internal side of the last layer.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: February 15, 2022
    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
  • Patent number: 11190062
    Abstract: The moldability of the stator of an axial gap type rotating electric machine improved. The axial gap type rotating electric machine has: a stator comprising core members disposed about a rotating shaft in a ring shape with a predetermined space from adjacent core members, said core members each having a core around which a coil is wound, the number of the turns of the coil being less on the outer perimeter side than on the inner perimeter side, the core members being molded with mold material; and a rotor facing an end surface of the core in the shaft direction through a predetermined gap. The core members comprise: a first core member in which the number of coil winding layers on one side in the shaft direction is larger than the number of winding layers on the other side; and a second core member in which the number of coil winding layers on one side in the shaft direction is less than the number of winding layers on the other side.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: November 30, 2021
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Toru Sakai, Tomonori Kawagoe, Daisuke Kitajima, Katsuyuki Yamazaki, Toshifumi Suzuki, Shuuichi Takahashi, Hirooki Tokoi