Patents by Inventor Masaki Sugiyama

Masaki Sugiyama 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: 10451465
    Abstract: A gas meter includes meter body that has internal space, meter inlet into which a fluid flows, meter outlet from which the fluid flows out, and shielding plate that is located with a predetermined distance from an opening portion of meter inlet. In addition, the gas meter includes flow rate measurer that measures a flow rate of the fluid, and connection member that connects outlet of flow rate measurer and meter outlet to each other. Furthermore, meter inlet, shielding plate, flow rate measurer, connection member, and meter outlet are linearly located in this order.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: October 22, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Masaki Sugiyama, Hiroaki Ishimoto
  • Publication number: 20190315027
    Abstract: A rotor core manufacturing equipment used in a manufacture of a rotor core where magnets are inserted into magnet housing holes formed in a core body and a resin is supplied into the holes and subsequently cured therein. The equipment includes a stationary mold for holding the core body, a movable mold which is arranged on the core body and in which a resin flow passage is formed, and a cull plate that is arranged between the core body and the movable mold, the cull plate including a filling pot that guides the resin flowing out through the resin flow passage to the magnet housing holes and holds a cull as the cured resin. The filling pot includes an inlet which is opposite an outlet of the resin flow passage. The inlet of the filling pot has an area greater than the outlet of the resin flow passage.
    Type: Application
    Filed: April 4, 2019
    Publication date: October 17, 2019
    Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventor: Masaki SUGIYAMA
  • Patent number: 10421218
    Abstract: A roller-type depressing device, an imprinting device, and a roller-type depressing method which are capable of suppressing an uneven elastic deformation of a main roller, and which are also capable of depressing an object uniformly. A roller-type depressing device depresses an object, and includes a main roller having at least a surface formed of an elastic material, and depressing the object, a roller moving unit moving the main roller relative to the object, a pressure adjusting unit adjusting pressure applied to the object by the main roller, a pressure receiving stage receiving the pressure from the main roller via the object, an intermediate roller having at least a surface formed of a material with a larger elastic modulus than the elastic material, and supporting the main roller, and, a backup roller formed shorter in an axial direction than the main roller and the intermediate roller, and supporting the intermediate roller.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: September 24, 2019
    Assignee: SCIVAX CORPORATION
    Inventors: Hirosuke Kawaguchi, Yutaka Taniguchi, Yukimasa Saito, Masaki Sugiyama, Daisuke Matono, Satoru Tanaka
  • Patent number: 10423014
    Abstract: An optical modulator includes: an optical modulator chip having an optical waveguide having a bent waveguide portion that is bent between a light input end portion and a light output end portion, a bias electrode provided between the light input end portion and the bent waveguide portion along the optical waveguide, and a signal electrode provided between the bent waveguide portion and the light output end portion along the optical waveguide; a bias input terminal configured to input a bias voltage, the bias input terminal being electrically connected to the bias electrode, and a signal input terminal configured to input an electric signal, the signal input terminal being provided closer to a receiver configured to receive an electric signal than the bias input terminal and being electrically connected to the signal electrode.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: September 24, 2019
    Assignee: FUJITSU OPTICAL COMPONENTS LIMITED
    Inventors: Masaki Sugiyama, Shinji Maruyama
  • Publication number: 20190285815
    Abstract: An optical device has a photonic IC having a modulator block and a photodetector block for transmitting and receiving optical signals via multiple channels, and a wiring board to transmit and receive electrical signals to and from the photonic IC, multiple electrical wirings formed on the wiring board being associated with the multiple channels, wherein the photonic IC has a first optical waveguide set extending from an output end of the modulator block to an output port of the photonic IC and a second optical waveguide set extending from an input port of the photonic IC to an input end of the photodetector block, the optical waveguides are arranged in the shortest paths for the respective channels in the first and the second optical waveguide sets, and the lengths of the electrical wirings are set so as to compensate for a difference in optical waveguide length among the channels.
    Type: Application
    Filed: February 22, 2019
    Publication date: September 19, 2019
    Applicant: Fujitsu Optical Components Limited
    Inventor: Masaki SUGIYAMA
  • Publication number: 20190271896
    Abstract: An optical modulator has an optical input port and an optical output port provided on a same end of a substrate; an optical waveguide pair formed in the substrate and configured to form a Mach-Zehnder interferometer, one end of the optical waveguide pair being connected to the optical input port and the other end of the optical waveguide pair being connected to the optical output port, the optical waveguide pair having a bending part; a groove provided along the optical waveguide pair in the bending part; and a signal electrode that applies a high-frequency electrical signal to the optical waveguide pair, wherein the signal electrode has an expanded section having an increased cross sectional area at a section intersecting the groove.
    Type: Application
    Filed: February 6, 2019
    Publication date: September 5, 2019
    Applicant: Fujitsu Optical Components Limited
    Inventor: Masaki SUGIYAMA
  • Publication number: 20190243474
    Abstract: A position pointer is provided for indicating a position on a sensor of a position detection device. The position pointer includes an elongate pointer body having a distal end and a proximal end; a first electrode disposed near the distal end; and a second electrode different from the first electrode and disposed near the distal end, wherein both the first and second electrodes are capacitively coupleable with the sensor of the position detection device. The position pointer includes a detection circuit configured to intermittently detect signals transmitted from the position detection device; a signal circuit configured to generate a position signal to be transmitted to the position detection device; and a transmission circuit configured to control transmission of the position signal. The transmission circuit, based on a detection result of the detection circuit, controls transmission of the position signal via the first electrode.
    Type: Application
    Filed: April 19, 2019
    Publication date: August 8, 2019
    Inventors: Yasuo Oda, Masaki Yagi, Yoshihisa Sugiyama
  • Patent number: 10355448
    Abstract: The invention relates to a tunable laser source, and the reduction in the loss and the size can both be achieved in a tunable laser source having a power monitor and a wavelength locker function. A tunable laser is formed of a semiconductor optical amplifier and a resonator, and one of the two output light beams split from part of the light within the tunable laser by a 2×2 type optical splitter is incident into a light intensity monitor, and the other is incident into a wavelength locker.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: July 16, 2019
    Assignee: FUJITSU OPTICAL COMPONENTS LIMITED
    Inventor: Masaki Sugiyama
  • Patent number: 10349492
    Abstract: A wavelength tunable light source has a light source, a wavelength monitor circuit that receives a portion of light emitted from the light source, and a processor that controls a wavelength of the light emitted from the light source based upon an output value of the wavelength monitor circuit, wherein the wavelength monitor circuit has a wavelength filter that outputs four light components with optical phases shifted by 90 degrees from one another and multiple photo detectors that detects the four light components output from the wavelength filter, and wherein the processor selects at least one of the four light components, calculates a ratio of a monitor value of the selected light component to a total sum of monitor values of the four light components, and adjusts the wavelength of the light source so as to bring the ratio to be closer to a target ratio at a designated wavelength.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: July 9, 2019
    Assignee: FUJITSU OPTICAL COMPONENTS LIMITED
    Inventor: Masaki Sugiyama
  • Publication number: 20190203309
    Abstract: This H section includes, as a chemical composition, C, Si, Mn, Nb, V, Ti, and N; in which the H section includes, as a metallographic structure, ferrite of 60 area % to less than 100 area %, an average grain size of this ferrite is 1 ?m to 30 ?m, a thickness of a flange is 20 mm to 140 mm, tensile yield stress is 385 MPa to 530 MPa, and Charpy absorbed energy at ?20° C. is 100 J or more.
    Type: Application
    Filed: December 21, 2017
    Publication date: July 4, 2019
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Masaki MIZOGUCHI, Kazutoshi ICHIKAWA, Hirokazu SUGIYAMA, Tetsuya SEIKE
  • Publication number: 20190186596
    Abstract: A speed reducer-attached motor includes a rotation shaft on which a worm gear is provided and which is supported rotatably around a central axis via a plurality of bearings, a motor part that is driven to be rotated around the rotation shaft as a central axis, a speed reducer part that includes at least one or more gears which include a worm wheel that is engaged with the worm gear, and a casing on which a shaft accommodation groove that accommodates the rotation shaft, a bearing accommodation recess part that accommodates the bearing, and an accommodation recess part that accommodates the speed reducer part are formed, wherein the shaft accommodation groove, the bearing accommodation recess part, and the accommodation recess part open at a top surface portion side of the casing.
    Type: Application
    Filed: June 15, 2017
    Publication date: June 20, 2019
    Inventors: Tomoyasu Sugiyama, Yoshichika Kawashima, Yosuke Harigai, Masaki Hayata
  • Publication number: 20190187536
    Abstract: An optical waveguide includes: a plurality of linear portions arranged in parallel to each other; a plurality of arcuate portions, in the folded portion of the optical waveguide, concentrically arranged about a predetermined center position as a center on the substrate at intervals narrower than intervals between the plurality of linear portions, each of the arcuate portions having a central angle that increases as each of the arcuate portions is closer to the center position; and a plurality of connecting portions respectively connecting the plurality of linear portions and the plurality of arcuate portions, at least one group of the connecting portions bending in a direction opposite to a direction where each of the arcuate portions bends.
    Type: Application
    Filed: October 3, 2018
    Publication date: June 20, 2019
    Applicant: Fujitsu Optical Components Limited
    Inventor: Masaki Sugiyama
  • Publication number: 20190177455
    Abstract: An object of the present invention is to provide a macromolecular material that exhibits excellent elongation. The first macromolecular material of the present invention contains the first polymer containing the first structural unit and the second polymer containing the second structural unit. The first structural unit has a guest group in its side chain, and the second structural unit has a host group in its side chain. At least one of the first and the second polymers contains at least one fluorine group. The second macromolecular material of the present invention contains the first structural unit having a guest group in its side chain, the second structural unit having a host group in its side chain, and the third structural unit other than the first and second structural units. At least one of the first, the second, and the third structural units contains at least one fluorine group.
    Type: Application
    Filed: August 23, 2017
    Publication date: June 13, 2019
    Applicants: DAIKIN INDUSTRIES, LTD., OSAKA UNIVERSITY
    Inventors: Akira HARADA, Hiroyasu YAMAGUCHI, Yoshinori TAKASHIMA, Suguru NOMIMURA, Hikaru ARAMOTO, Ryohei IKURA, Masaki NAKAHATA, Kazuhisa IWASO, Kentarou HIRAGA, Akinari SUGIYAMA, Fumihiko YAMAGUCHI, Takashi NOMURA
  • Patent number: 10310641
    Abstract: A position pointer is provided for use with a position detection sensor, capable of achieving power saving. The position pointer includes: a first electrode configured to receive an AC signal from a position detection sensor; a transmission signal production circuit configured to produce a position signal, based on which the position detection sensor detects a position of the position pointer; a second electrode different from the first electrode and configured to transmit the position signal to the position detection sensor; a signal detection circuit configured to detect whether or not the AC signal from the position detection sensor is received through the first electrode; and a transmission controlling circuit configured to control transmission of the position signal through the second electrode to the position detection sensor in response to an output from the signal detection circuit.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: June 4, 2019
    Assignee: Wacom Co., Ltd.
    Inventors: Yasuo Oda, Masaki Yagi, Yoshihisa Sugiyama
  • Publication number: 20190162984
    Abstract: An optical modulator includes: an optical modulator chip having an optical waveguide having a bent waveguide portion that is bent between a light input end portion and a light output end portion, a bias electrode provided between the light input end portion and the bent waveguide portion along the optical waveguide, and a signal electrode provided between the bent waveguide portion and the light output end portion along the optical waveguide; a bias input terminal configured to input a bias voltage, the bias input terminal being electrically connected to the bias electrode, and a signal input terminal configured to input an electric signal, the signal input terminal being provided closer to a receiver configured to receive an electric signal than the bias input terminal and being electrically connected to the signal electrode.
    Type: Application
    Filed: October 30, 2018
    Publication date: May 30, 2019
    Applicant: FUJITSU OPTICAL COMPONENTS LIMITED
    Inventors: Masaki Sugiyama, Shinji Maruyama
  • Patent number: 10261349
    Abstract: An optical module includes a substrate and terminals. The substrate has: a first planar part having first through holes into which the terminals are inserted respectively; a second planar part that opposes the first planar part as a result of the substrate being folded and has second through holes into which the terminals are inserted respectively; at least one first land part that is formed on the first planar part around at least one of the first through holes and that is connected to at least one of the terminals inserted through the first through hole; and at least one second land part that is formed on the second planar part around at least one of the second through holes into which another one of the terminals not being connected to the first land part is inserted and that is connected to the terminal inserted through the second through hole.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: April 16, 2019
    Assignee: FUJITSU OPTICAL COMPONENTS LIMITED
    Inventor: Masaki Sugiyama
  • Publication number: 20190041250
    Abstract: A gas meter includes a meter entrance that allows a fluid to flow in, a meter exit that allows the fluid to flow out, and a flow rate measurer that measures a flow rate of the fluid. In addition, the flow rate measurer includes a plurality of flow rate measuring units of a same shape composed of a flow passage portion having a rectangular cross section shape on the outer side and a sensor portion disposed on one face of the flow passage portion. The plurality of flow rate measuring units are integrally configured by bonding faces having no sensor portion as bonding faces of the flow rate measuring units.
    Type: Application
    Filed: December 14, 2016
    Publication date: February 7, 2019
    Inventors: MASAKI SUGIYAMA, HIDEAKI MORIHANA, HIDETOMO NAGAHARA, YUUJI NAKABAYASHI, HIDEKI KINOSHITA
  • Publication number: 20190041670
    Abstract: A tunable light source includes a substrate; a light source; a wavelength selecting device that selects, according to a control signal, output light with a specific wavelength from light output from the light source; a wavelength filter that is disposed on the substrate, filters the output light, and outputs the filtered light; a light-receiving device that receives the filtered light from the wavelength filter; and a controller configured to generate the control signal based on an output transmittance corresponding to a quantity of the received light received by the light-receiving device, a first transmittance corresponding to a target wavelength, a second transmittance corresponding to a shorter-wavelength limit of a control range including the target wavelength, and a third transmittance corresponding to a longer-wavelength limit of the control range, and output the generated control signal to the wavelength selecting device.
    Type: Application
    Filed: July 31, 2018
    Publication date: February 7, 2019
    Applicant: Fujitsu Optical Components Limited
    Inventor: Masaki SUGIYAMA
  • Publication number: 20190041581
    Abstract: A tunable light source includes a light source; a wavelength selecting device that selects, according to a control signal, output light with a specific wavelength from light output from the light source; and a wavelength monitor including a wavelength filter including multiple output ports corresponding to filtering paths through which the output light passes, and a light-receiving device that is disposed to face one of the output ports and receives light output from the one of the output ports. The wavelength filter is configured such that a maximum quantity of the light output from the one of the output ports facing the light-receiving device becomes greater than a maximum quantity of light output from another one of the output ports.
    Type: Application
    Filed: July 27, 2018
    Publication date: February 7, 2019
    Applicant: Fujitsu Optical Components Limited
    Inventor: Masaki SUGIYAMA
  • Publication number: 20190041577
    Abstract: A tunable optical source includes a substrate, a light source disposed on the substrate, and a wavelength selecting element configured to select light of a specific wavelength as output light, from light emitted from the light source, in accordance with a control signal. On the substrate, a wavelength filter including multiple output ports and a photodetector are disposed. The wavelength filter is configured to receive a part of the output light and to output light beams to the respective output ports. The photodetector is configured to receive the light beam output from one of the output ports. The tunable optical source further includes an inspection waveguide connecting to the photodetector at one end, and an inspection light input unit for inputting inspection light provided at the other end of the inspection waveguide.
    Type: Application
    Filed: July 30, 2018
    Publication date: February 7, 2019
    Applicant: Fujitsu Optical Components Limited
    Inventor: Masaki Sugiyama