Patents by Inventor Takashi Yamazaki

Takashi Yamazaki 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: 10761518
    Abstract: A product-input-plan developing device for developing product input plans including an input order of products to a manufacture line that includes a branch and a merge, and paths along which the products individually flow in the manufacture line, includes a processor configured to optimize product input plans for k number of products for which a product input plan is developable without causing information explosion from among the products to be input to the manufacture line; and determine adoption of product input plans for first n (n<k) number of products from among the product input plans optimized by the processor, wherein the processor repeatedly executes the process for optimizing the product input plan and the processor repeatedly executes the process for determination for a product for which adoption of the product input plan is not determined by the processor.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: September 1, 2020
    Assignee: FUJITSU LIMITED
    Inventor: Takashi Yamazaki
  • Publication number: 20200269385
    Abstract: An operation control unit includes a storage device storing a program which includes commands of: obtaining a correlation between a supply position of the polishing liquid in the radial direction of the polishing pad using the liquid injection nozzle and an average polishing rate of the substrate and an distribution of the polishing rate within the substrate; determining a movable range of the liquid injection nozzle according to a predetermined range of an allowable average polishing rate and the correlation between the supply position of the polishing liquid and the average polishing rate; determining an optimal supply position of the polishing liquid from the correlation between the supply position of the polishing liquid and the distribution of the polishing rate within the substrate within the determined movable range of the liquid injection nozzle; and moving the liquid injection nozzle to the determined supply position to polish the substrate.
    Type: Application
    Filed: February 20, 2020
    Publication date: August 27, 2020
    Applicant: EBARA CORPORATION
    Inventors: ITSUKI KOBATA, TAKASHI YAMAZAKI, RYUICHI KOSUGE, TADAKAZU SONE
  • Patent number: 10756670
    Abstract: A resonator includes a surface silicon layer as a base material, a first silicon oxide layer disposed on a first surface of the surface silicon layer, and a second silicon oxide layer disposed on the opposite side to the surface silicon layer of the first silicon oxide layer, wherein when the thickness of the surface silicon layer is represented by tsi, the thickness of the first silicon oxide layer is represented by ta, and the thickness of the second silicon oxide layer is represented by tb, the following relationships are satisfied: 0.138×tsi<ta<0.268×tsi and 0.189×tsi<tb<0.527×tsi.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: August 25, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Takashi Yamazaki
  • Publication number: 20200254622
    Abstract: A machine learning device that learns an operation of a robot for picking up, by a hand unit, any of a plurality of workpieces placed in a random fashion, including a bulk-loaded state, includes a state variable observation unit that observes a state variable representing a state of the robot, including data output from a three-dimensional measuring device that obtains a three-dimensional map for each workpiece, an operation result obtaining unit that obtains a result of a picking operation of the robot for picking up the workpiece by the hand unit, and a learning unit that learns a manipulated variable including command data for commanding the robot to perform the picking operation of the workpiece, in association with the state variable of the robot and the result of the picking operation, upon receiving output from the state variable observation unit and output from the operation result obtaining unit.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 13, 2020
    Inventors: Takashi YAMAZAKI, Takumi OYAMA, Shun SUYAMA, Kazutaka NAKAYAMA, Hidetoshi KUMIYA, Hiroshi NAKAGAWA, Daisuke OKANOHARA, Ryosuke OKUTA, Eiichi MATSUMOTO, Keigo KAWAAI
  • Patent number: 10717196
    Abstract: A machine learning device that learns an operation of a robot for picking up, by a hand unit, any of a plurality of workpieces placed in a random fashion, including a bulk-loaded state, includes a state variable observation unit that observes a state variable representing a state of the robot, including data output from a three-dimensional measuring device that obtains a three-dimensional map for each workpiece, an operation result obtaining unit that obtains a result of a picking operation of the robot for picking up the workpiece by the hand unit, and a learning unit that learns a manipulated variable including command data for commanding the robot to perform the picking operation of the workpiece, in association with the state variable of the robot and the result of the picking operation, upon receiving output from the state variable observation unit and output from the operation result obtaining unit.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: July 21, 2020
    Assignees: FANUC CORPORATION, PREFERRED NETWORKS, INC.
    Inventors: Takashi Yamazaki, Takumi Oyama, Shun Suyama, Kazutaka Nakayama, Hidetoshi Kumiya, Hiroshi Nakagawa, Daisuke Okanohara, Ryosuke Okuta, Eiichi Matsumoto, Keigo Kawaai
  • Publication number: 20200184391
    Abstract: A personnel allocation formulation device that formulates an allocation plan for workers for each phase in a distribution center in which a phase of picking up products to be delivered based on orders, a phase of inspecting the picked-up products, and a phase of packing the inspected products are executed by workers, the personnel allocation formulation device includes a processor configured to receive a simulation condition; and acquire a plurality of allocation plans for workers that optimize at least one of optimization items including a number of the workers and a number of the orders that are processable by executing multi-objective optimization using a line simulator based on the simulation condition, wherein the processor divides a work time for one day or orders to be processed in one day at the distribution center into a plurality of parts, and execute the multi-objective optimization in units of respective divided parts.
    Type: Application
    Filed: February 18, 2020
    Publication date: June 11, 2020
    Applicant: FUJITSU LIMITED
    Inventor: Takashi Yamazaki
  • Publication number: 20200171621
    Abstract: A polishing apparatus capable of increasing an added value is disclosed. The polishing apparatus includes a polishing table configured to support a polishing pad, a top ring configured to press a substrate against the polishing pad, and a liquid supply mechanism configured to supply a liquid onto the polishing pad. The liquid supply mechanism includes a nozzle arm configured to be movable in a radial direction of the polishing table, and a liquid ejection nozzle attached to the nozzle arm. The liquid ejection nozzle is a fan-shaped nozzle having a liquid throttle surface having a tapered shape.
    Type: Application
    Filed: November 22, 2019
    Publication date: June 4, 2020
    Inventors: Takashi Yamazaki, Itsuki Kobata, Ryuichi Kosuge, Tadakazu Sone
  • Patent number: 10662055
    Abstract: A MEMS element includes a surface silicon layer on which an element is formed and on which a first electrode and a second electrode as element electrodes and an electrode pad connected to the first electrode and the second electrode are disposed, and in which a first wiring through-hole is disposed at a position overlapping with the electrode pad of the surface silicon layer and a wiring electrode electrically connected to the electrode pad is disposed in the first wiring through-hole, in plan view.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: May 26, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takashi Yamazaki, Akihiko Ebina, Osamu Kawauchi, Yoshihiko Yokoyama
  • Publication number: 20200161646
    Abstract: A nickel-hydrogen secondary battery includes an electrode group comprising a separator, a positive electrode, and a negative electrode, and the positive electrode contains a positive electrode active material including a base particle comprising a nickel hydroxide particle containing Mn in solid solution and a conductive layer comprising a Co compound and covering the surface of the base particle, wherein the X-ray absorption edge energy of Mn detected within 6500 to 6600 eV by measurement with an XAFS method is 6548 eV or higher.
    Type: Application
    Filed: January 27, 2020
    Publication date: May 21, 2020
    Inventors: Takeshi Ito, Yuzo Imoto, Masaru Kihara, Takayuki Yano, Shigekazu Yasuoka, Shuuichi Doi, Takashi Yamazaki, Yuji Kataoka
  • Patent number: 10626810
    Abstract: A control apparatus for a diesel engine includes a neighboring temperature estimating section which estimates a temperature of a neighborhood of a glow plug that heats an interior of a cylinder upon startup, and a supercharging pressure control section which controls a supercharging pressure in such a way that a rotation fluctuation of the engine does not increase, on the basis of the estimated temperature of the neighborhood of the glow plug.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: April 21, 2020
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Toru Nishizawa, Shuichi Iio, Kiyoshi Ohga, Ryota Nakayama, Takashi Yamazaki, Yoshihiro Imaoka, Yasushi Ohmura, Isshou Uehara, Masahiko Nakano, Manabu Hasegawa
  • Patent number: 10596677
    Abstract: A machine tool control system according to the present invention includes: a three-dimensional coordinate computing unit which calculates three-dimensional coordinates of a workpiece based on a plurality of images of the workpiece, the images being taken by the imaging apparatus from a plurality of different directions, and which calculates, from the three-dimensional coordinates, three-dimensional coordinates of a specified machining start point on the workpiece; and a coordinate converting unit which converts three-dimensional coordinates that includes the machining start point on the workpiece calculated by the three-dimensional coordinate computing unit into coordinates in the machine coordinate system for the machine tool, and which sets the converted three-dimensional coordinates of the machining start point on the workpiece, as a workpiece origin, into the machining program for the machine tool.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: March 24, 2020
    Assignee: FANUC CORPORATION
    Inventor: Takashi Yamazaki
  • Publication number: 20200067484
    Abstract: A vibrator device includes: a base; a vibrator disposed in the base; and a lid including a substrate having a light transmitting property and a silicon substrate joined to the substrate and a part of the base surrounding the vibrator.
    Type: Application
    Filed: August 26, 2019
    Publication date: February 27, 2020
    Inventors: Takashi YAMAZAKI, Osamu KAWAUCHI, Akihiko EBINA
  • Publication number: 20200010965
    Abstract: An oxygen generation electrode includes: a conductive substrate; and an oxide film formed on a first surface of the conductive substrate and containing Ba, Sn, and La or Sb, wherein the oxide film has a first absorption edge in a visible light region and a second absorption edge in an infrared light region.
    Type: Application
    Filed: September 19, 2019
    Publication date: January 9, 2020
    Applicant: FUJITSU LIMITED
    Inventors: John David Baniecki, Takashi Yamazaki, Hiroyuki Aso, Yoshihiko Imanaka
  • Patent number: 10487001
    Abstract: A seal structure of an optical fiber drawing furnace for sealing a gap between an upper end opening of the optical fiber drawing furnace and an optical fiber glass preform inserted from the upper end opening, includes a plurality of blade members, a support mechanism for supporting the plurality of blade members, and a pressing operation mechanism for individually pressing the plurality of blade members in a radial direction of the optical fiber glass preform so as to bring distal ends of the plurality of blade members into contact with a side surface of the optical fiber glass preform, wherein a pressing force at the time of bringing the plurality of blade members into contact with the optical fiber glass preform is set at 0.1 to 10 N per blade member.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: November 26, 2019
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takashi Yamazaki, Iwao Okazaki, Tatsuya Konishi
  • Patent number: 10490324
    Abstract: In an alloy for an R-T-B-based rare earth sintered magnet of the present invention formed of a rare earth element R, a transition metal T containing Fe as a main component, a metal element M containing one or more types of metals selected from Al, Ga, and Cu, and B and inevitable impurities, 13 at % to 16 at % of R is contained, 4.5 at % to 6.2 at % of B is contained, 0.1 at % to 2.4 at % of M is contained, the balance is T and the inevitable impurities, a proportion of Dy in the entire rare earth element is 0 at % to 65 at %, Formula 1 described below is satisfied, a main phase containing R2Fe14B and an alloy grain boundary phase containing more R than the main phase are included, and a distance between the alloy grain boundary phases is greater than or equal to 3 ?m and less than or equal to 11 ?m. 0.30?B/TRE?0.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: November 26, 2019
    Assignee: TDK CORPORATION
    Inventors: Takashi Yamazaki, Kenichiro Nakajima, Akifumi Muraoka
  • Publication number: 20190323626
    Abstract: A valve device includes a body, a joint, a check valve, a valve seat fixation member having an outer peripheral surface on which an external thread is provided, and a sealing member. The body has an attachment hole that attaches the joint and the valve seat fixation member from an outside of the body in a sequence of the joint and the valve seat fixation member, and that has an inner peripheral surface in which an internal thread screwed to the external thread of the valve seat fixation member is provided. The sealing member is provided between the joint and the valve seat fixation member. An outer peripheral edge of the sealing member is located radially inward of a screwed region of the internal thread and the external thread.
    Type: Application
    Filed: April 17, 2019
    Publication date: October 24, 2019
    Applicant: JTEKT CORPORATION
    Inventors: Takuya SUZUKI, Kazuki OKAMURA, Takashi YAMAZAKI, Toshihiko SHIMA, Kazushi NUMAZAKI, Naohiro SAKAMOTO, Akio NAKAMURA, Koji KIDA
  • Patent number: 10428408
    Abstract: An R-T-B-based rare earth sintered magnet, comprising a rare earth element R, B, a metallic element M which includes one or more metals selected from Al, Ga and Cu, a transition metal T which includes Fe as a main component, and inevitable impurities, wherein the sintered magnet includes 13 atom % to 15.5 atom % of R, 5.0 atom % to 6.0 atom % of B, 0.1 atom % to 2.4 atom % of M, and T and the inevitable impurities as a balance, and wherein the sintered magnet includes 0.015 atom % to 0.10 atom % of Zr as the transition metal T.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: October 1, 2019
    Assignee: TDK Corporation
    Inventors: Takashi Yamazaki, Akifumi Muraoka, Kenichiro Nakajima
  • Patent number: 10416231
    Abstract: An electronic component transport apparatus includes: an openable and closable first opening and closing portion; a first rotation support portion which supports the first opening and closing portion to be rotatable; a second opening and closing portion provided to be openable and closable in the first opening and closing portion; and a second rotation support portion which supports the second opening and closing portion to be rotatable. An area of the first opening and closing portion is greater than an area of the second opening and closing portion.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: September 17, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Daisuke Kirihara, Masami Maeda, Toshioki Shimojima, Takashi Yamazaki
  • Patent number: 10399888
    Abstract: The invention provides a production method for a glass particulate deposit M which includes a deposition step where a starting rod 111 and a burner 222 for production of glass particles 130 are installed in a reactor 102, a glass source material is introduced into the burner 222, the glass source material is subjected to flame thermal decomposition in the flame formed by the burner 222 to thereby form glass particles 130, and the formed glass particles 130 are deposited on the starting rod 111 to produce a glass particulate deposit M. In the deposition step of the production method, at least two ejecting ports 231 are provided per one burner 222 for ejecting the glass source material from the burner 222, and a flow rate of the glass source material jetting out through one glass source material ejecting port 231 is from 4 m/s to 60 m/s.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: September 3, 2019
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Tomohiro Ishihara, Takashi Yamazaki
  • Publication number: 20190229706
    Abstract: A vibration element includes a base and a vibrating arm extending from the base. The vibrating arm includes an arm positioned between the base and a weight. A weight film is disposed on the weight. The weight has a first principal surface and a second principal surface in a front and back relationship with respect to a center plane of the arm. A center of gravity of the weight is located between the first principal surface and the center plane of the arm. A center of gravity of the weight film is located between the second principal surface and the center plane of the arm.
    Type: Application
    Filed: January 22, 2019
    Publication date: July 25, 2019
    Inventors: Seiichiro OGURA, Keiichi YAMAGUCHI, Masahiro OSHIO, Takashi YAMAZAKI