Patents by Inventor Takayuki Koyama

Takayuki Koyama 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: 11528966
    Abstract: This molded surface fastener includes: a base portion; right and left outer wall portions arranged on the upper surfaces of the base portion; a plurality of engaging elements arranged between the right and left outer wall portions; and right and left magnetic wall portions arranged between the outer wall portions and the engaging elements. This molded surface fastener is molded by melting and integrating first synthetic resin and second synthetic resin that contains magnetic particles. At least each upper end part of the outer wall portions is formed only of the first synthetic resin, while at least each upper end part of the magnetic wall portions is formed only of the second synthetic resin. Consequently, the right and left magnetic wall portions can be formed into predetermined shapes in a stable manner.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: December 20, 2022
    Assignee: YKK Corporation
    Inventors: Zhiyu Ren, Takayuki Matsui, Yohei Koyama, Jun Hashizume
  • Patent number: 11400342
    Abstract: A moving body information providing system constituted by a moving body information analysis device and wearable devices 1 mounted to soccer players for detecting the status of the soccer players, wherein the wearable devices are each provided with a storage unit, an internal timer, a position sensor, a moving body information detection sensor having a plurality of types of sensors, an initial-time setting unit, a position data calculation unit, an output control unit, a communication module, and other components, and the moving body information analysis device has a tablet provided with a moving body information transmission/reception unit, an analysis result display processing unit, and other components, and an analysis result providing device of an analysis center provided with a storage unit for fine position data, a position calculation unit, or the like.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: August 2, 2022
    Assignee: ASIA AIR SURVEY CO., LTD.
    Inventors: Takayuki Yamada, Yuichi Fujimoto, Toshihiko Koyama, Yukihiro Minami
  • Publication number: 20220037952
    Abstract: A dynamo-electric machine which inhibits the vibration of a frame and a bearing and has excellent manufacturability. A dynamo-electric machine according to the present invention includes a stator, a rotor including a rotary shaft and being disposed on an inner side in a radial direction of the stator, a bearing for supporting the rotary shaft, an intermediate frame for supporting the stator, and a stator frame for supporting the bearing and the intermediate frame. The stator frame includes pedestals at two end portions in a width direction of a bottom portion of the stator frame. Each of the pedestals includes an upper surface positioned above a bottom surface of the stator frame. The intermediate frame is fixed to upper surfaces of the pedestals.
    Type: Application
    Filed: January 15, 2020
    Publication date: February 3, 2022
    Inventors: Takayuki KOYAMA, Kenichi SUGIMOTO
  • Patent number: 11075570
    Abstract: There is provided a rotary electric machine that ensures improving a maximum torque and a rated power factor while reducing an increase in a starting current. In view of this, the rotary electric machine includes a shaft, a rotor, and a stator. The rotor is fixed to an outer periphery of the shaft. The stator is located so as to surround an outer periphery of the rotor. The rotor includes a rotor iron core including a plurality of rotor slots located at predetermined intervals in a circumferential direction and rotor bars inserted into the rotor slots. Rotor slits communicate with outer peripheral sides of the rotor slots. The rotor slits have a width ws in a circumferential direction. The width ws is smaller than a height hs in a radial direction of the rotor slit, and when a rated current is denoted as I1, a turn ratio (primary/secondary) is denoted as Tr, and a magnetic permeability in a vacuum is denoted as ?0, a relationship of ws>?0×I1×Tr/0.6 is met.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: July 27, 2021
    Assignee: Hitachi Industrial Products, Ltd.
    Inventors: Kazuo Nishihama, Masanori Sawahata, Takayuki Koyama, Makoto Imura, Yuuichirou Yoshitake, Kenichi Sugimoto, Kengo Ueda
  • Publication number: 20210177388
    Abstract: An in-tube transit object that is inserted in a tube includes: a coil section formed by winding a wire; and a fiber section attached to an end on one side and an end on the other side in a winding-axis direction of the coil section. The coil section is formed with a large diameter section, through which fiber of the fiber section is inserted, at the end on the one side and the end on the other side, and is inserted in an extending state in the winding-axis direction when the in-tube transit object is inserted into the tube. The fiber section is configured to expand when seen in the winding-axis direction in the case where the in-tube transit object is inserted in the tube and then discharged from the tube, which brings the coil section into a compressed state in the winding-axis direction.
    Type: Application
    Filed: December 7, 2020
    Publication date: June 17, 2021
    Applicants: Mikuro Spring Co., Ltd., GUNZE LIMITED
    Inventors: Takayuki KOYAMA, Makoto NATORI, Yusuke SATO, Saki OKUMURA, Yuuki KATO, Mieko ISHIKAWA
  • Patent number: 10965184
    Abstract: A rotary electric machine of the present invention includes: a stator; a rotor placed on an inner diameter side of the stator through an air gap and fixed to a rotating shaft; a stator frame supporting the stator; a casing storing the stator and the rotor; an outer fan fixed to the rotating shaft; a heat exchanger installed above the casing for heat exchange between outside air taken through the outer fan and internal air to remove heat; and an outer fan duct installed on an end portion of the casing in an axial direction, provided with the outer fan in an inside of the outer fan duct, and formed with a ventilation path through which the outside air is delivered to the heat exchanger. A plate-shaped member has at least a curved surface portion. The plate-shaped member forms the ventilation path of the outer fan duct.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: March 30, 2021
    Assignee: Hitachi Industrial Products, Ltd.
    Inventors: Misato Sato, Takeshi Mori, Kenichi Sugimoto, Takayuki Koyama
  • Patent number: 10797565
    Abstract: A motor with an inner fan includes a rotor rotating with a shaft, a stator opposing the outer peripheral surface of the rotor, an end ring connected to the rotor, stator wiring connected to the stator, a fan rotating with the shaft through a sleeve, a fan guide opposing the tip end of the blade outer periphery of the fan, and a frame storing the rotor, the stator, the fan, the fan guide, the end ring, and the stator wiring. The rotor includes an axial duct penetrating the rotor in the axial direction of the rotor and a radial duct communicating with the axial duct and penetrating the rotor radially from the inside to the outside of the rotor. The fan is an inner fan arranged inside the frame, the inner fan is of a diagonal flow type, and the discharge direction of the inner fan is the inward direction.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: October 6, 2020
    Assignee: Hitachi Industrial Products, Ltd.
    Inventors: Isao Hagiya, Misato Sato, Takayuki Koyama, Kenichi Sugimoto
  • Publication number: 20200117162
    Abstract: To provide a numerical control device that cause a cutting device, etc., to execute cutting without oscillation in a case of determining as being a surface quality-prioritized machining determination unit. An oscillation component creating unit creates an oscillation component command for oscillation cutting, and to command a servo motor. An oscillation component creating determination unit determines an oscillation cutting block in a machining program, and to instruct an oscillation component creating unit to perform creation of an oscillation component command. A surface quality-prioritized machining determination unit determines a surface quality-prioritized machining part in the oscillation cutting block.
    Type: Application
    Filed: October 11, 2019
    Publication date: April 16, 2020
    Applicant: FANUC CORPORATION
    Inventor: Takayuki KOYAMA
  • Patent number: 10562243
    Abstract: A core (20) and a bag (22, 24) are provided which are used to shape an FRP structure (10; 30). The bag (22, 24) has a core bag section (24) which covers the outer circumference of the core (20), and a coverture bag section (22) which covers a plurality of fiber components (12, 14; 12, 14, 16).
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: February 18, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Toshio Abe, Kiyoka Takagi, Takayuki Koyama, Katsuya Yoshino, Kazuaki Kishimoto, Koichi Saito, Takashi Ishida
  • Publication number: 20200007008
    Abstract: A motor with an inner fan includes a rotor rotating with a shaft, a stator opposing the outer peripheral surface of the rotor, an end ring connected to the rotor, stator wiring connected to the stator, a fan rotating with the shaft through a sleeve, a fan guide opposing the tip end of the blade outer periphery of the fan, and a frame storing the rotor, the stator, the fan, the fan guide, the end ring, and the stator wiring. The rotor includes an axial duct penetrating the rotor in the axial direction of the rotor and a radial duct communicating with the axial duct and penetrating the rotor radially from the inside to the outside of the rotor. The fan is an inner fan arranged inside the frame, the inner fan is of a diagonal flow type, and the discharge direction of the inner fan is the inward direction.
    Type: Application
    Filed: February 22, 2019
    Publication date: January 2, 2020
    Inventors: Isao HAGIYA, Misato SATO, Takayuki KOYAMA, Kenichi SUGIMOTO
  • Publication number: 20190199162
    Abstract: A rotary electric machine of the present invention includes: a stator; a rotor placed on an inner diameter side of the stator through an air gap and fixed to a rotating shaft; a stator frame supporting the stator; a casing storing the stator and the rotor; an outer fan fixed to the rotating shaft; a heat exchanger installed above the casing for heat exchange between outside air taken through the outer fan and internal air to remove heat; and an outer fan duct installed on an end portion of the casing in an axial direction, provided with the outer fan in an inside of the outer fan duct, and formed with a ventilation path through which the outside air is delivered to the heat exchanger. A plate-shaped member has at least a curved surface portion. The plate-shaped member forms the ventilation path of the outer fan duct.
    Type: Application
    Filed: November 5, 2018
    Publication date: June 27, 2019
    Inventors: Misato SATO, Takeshi MORI, Kenichi SUGIMOTO, Takayuki KOYAMA
  • Publication number: 20190140530
    Abstract: There is provided a rotary electric machine that ensures improving a maximum torque and a rated power factor while reducing an increase in a starting current. In view of this, the rotary electric machine includes a shaft, a rotor, and a stator. The rotor is fixed to an outer periphery of the shaft. The stator is located so as to surround an outer periphery of the rotor. The rotor includes a rotor iron core including a plurality of rotor slots located at predetermined intervals in a circumferential direction and rotor bars inserted into the rotor slots. Rotor slits communicate with outer peripheral sides of the rotor slots. The rotor slits have a width ws in a circumferential direction. The width ws is smaller than a height hs in a radial direction of the rotor slit, and when a rated current is denoted as I1, a turn ratio (primary/secondary) is denoted as Tr, and a magnetic permeability in a vacuum is denoted as ?0, a relationship of ws>?0×I1×Tr/0.6 is met.
    Type: Application
    Filed: July 31, 2017
    Publication date: May 9, 2019
    Inventors: Kazuo NISHIHAMA, Masanori SAWAHATA, Takayuki KOYAMA, Makoto IMURA, Yuuichirou YOSHITAKE, Kenichi SUGIMOTO, Kengo UEDA
  • Patent number: 10243430
    Abstract: The invention provides a rotating electrical machine system in which an air volume of a refrigerant is increased near the center of a rotating electrical machine in the axial direction is improved. The rotating electrical machine includes a rotor and a stator, in which the stator core, laminated electromagnetic steel sheets formed by laminating a plurality of electromagnetic steel sheets in the axial direction are divided into a plurality of sets of packet cores, and between one of the packet cores of the plurality of sets and another packet core adjacent to it, there is formed a duct providing a flow channel of the stator, and in a duct situated at the center side from both ends in the axial direction among the duct, there is a portion of two packet cores facing each other across the duct, a diameter direction length of the two packet cores becoming long.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: March 26, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Daisuke Kori, Ryuichiro Iwano, Masanori Sawahata, Kazuo Nishihama, Motonobu Iizuka, Takayuki Koyama, Kenichi Sugimoto
  • Patent number: 10195789
    Abstract: This structure is provided with a first composite material 11, a second composite material 12 joined to the first composite material 11 by a film adhesive 21 provided between the first composite material 11 and the second composite material 12, and a corner fillet part 13 provided on a corner part 15 formed by the first composite material 11 and the second composite material 12. The shape of the corner fillet part 13 is a design shape P designed in advance, and the corner fillet part 13 is formed by curing the film adhesive 21 after arranging the film adhesive 21 on the corner part 15 so as to fit into the design shape P.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: February 5, 2019
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Toshio Abe, Kiyoka Takagi, Takayuki Koyama, Kazuaki Kishimoto, Koichi Saito, Takashi Ishida
  • Patent number: 10097059
    Abstract: A coil support structure including a coil spacer, a yoke spacer, and a support formed between the coil spacer and the yoke spacer. And the support has laterally protruding parts.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: October 9, 2018
    Assignee: Hitachi, Ltd.
    Inventors: Makoto Imura, Takayuki Koyama, Shigeki Nakae, Motonobu Iizuka, Masanori Matsumoto, Hideyuki Ootaka
  • Patent number: 10075112
    Abstract: A field winding type synchronous machine connects to a DC line and includes a rotor; a stator; an exciter that passes a current through a field winding of the rotor; and a rectification circuit that rectifies an output from the exciter and provides the output to the DC line. The synchronous machine includes the field winding being connected in parallel to a first circuit in which a parallel circuit including a rectifier element and a first switchgear is connected in series to a discharge resistor, a second switchgear being connected in series to the DC line that connects the first circuit to the rectification circuit, and a capacitor being provided between the discharge resistor and the input side of an electric power source element for gating the first switchgear.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: September 11, 2018
    Assignee: Hitachi, Ltd.
    Inventors: Daisuke Kori, Motonobu Iizuka, Takayuki Koyama
  • Patent number: 10071794
    Abstract: Provided is a joint and an aircraft structure wherein it is possible to position a member relative to a preform with high accuracy. A groove into which a plate member (30) is inserted is formed in a pi-shaped joint (20) provided on the preform (21), and the preform (21) and the plate member (30) are connected by being bonded. Moreover, a fitting shape (32A-1) into which the plate member (30) is fitted is formed on the pi-shaped joint (20) on the whole groove bottom face. Additionally, a fitting shape (32A-2) into which the plate member (30) is fitted is formed on a portion of the groove bottom face. Furthermore, fitting shapes (32B-1, 32B-2), into which the groove bottom face that is formed on the pi-shaped joint (20) is fitted, are formed on the surface of the plate material (30) that is fitted with the pi-shaped joint (20).
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: September 11, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Toshio Abe, Kiyoka Takagi, Takayuki Koyama, Kazuaki Kishimoto, Kouichi Saito, Takashi Ishida
  • Patent number: 10040538
    Abstract: A joint (20) joins a plate member (26) with a preform (22), wherein an inclined part (28), which is inclined relative to a surface that is orthogonal to the direction in which a tensile load is applied to the plate member (26), is formed on a surface (25) that joins with the preform (22). Moreover, an indented part (38) corresponding to the shape of the inclined part (28) is formed on the preform (22) so that the inclined part (28) of the joint (20) is embedded into the indented part (38). The joint (20) is embedded in and bonded to the preform (22).
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: August 7, 2018
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Toshio Abe, Kiyoka Takagi, Takayuki Koyama, Kazuaki Kishimoto, Kouichi Saito, Takashi Ishida
  • Publication number: 20180083555
    Abstract: A field winding type synchronous motor includes an exciter 4 and, after starting by forming a short circuit of a field winding 10, excites the field winding by using the exciter, and includes a starting control circuit 30 that outputs a control signal controlling On/Off of a first opening/closing device, in which the exciter and the field winding are connected through the first opening/closing device 1. The starting control circuit includes: a signal transmitting circuit that outputs the control signal at timing, which is detected based on an induced electromotive voltage generated in the field winding, at which switching to a synchronous operation is performed; and a time limit setting circuit that, after a predetermined time elapses after the starting control circuit is started, directs the signal transmitting circuit to output the control signal.
    Type: Application
    Filed: July 27, 2017
    Publication date: March 22, 2018
    Inventors: Daisuke KORI, Takayuki KOYAMA, Motonobu IIDUKA
  • Publication number: 20170266874
    Abstract: This structure is provided with a first composite material 11, a second composite material 12 joined to the first composite material 11 by a film adhesive 21 provided between the first composite material 11 and the second composite material 12, and a corner fillet part 13 provided on a corner part 15 formed by the first composite material 11 and the second composite material 12. The shape of the corner fillet part 13 is a design shape P designed in advance, and the corner fillet part 13 is formed by curing the film adhesive 21 after arranging the film adhesive 21 on the corner part 15 so as to fit into the design shape P.
    Type: Application
    Filed: October 7, 2015
    Publication date: September 21, 2017
    Inventors: Toshio ABE, Kiyoka TAKAGI, Takayuki KOYAMA, Kazuaki KISHIMOTO, Koichi SAITO, Takashi ISHIDA