Patents by Inventor Shigeru Yamamoto

Shigeru Yamamoto 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: 10411172
    Abstract: Provided are a light source circuit unit that improves light extraction efficiency, as well as an illuminator and a display that include such a light source circuit unit. The light source circuit unit includes: a circuit substrate having a wiring pattern on a surface thereof, the wiring pattern having light reflectivity, a circular pedestal provided on the circuit substrate, a water-repelling region provided at least from a peripheral edge portion of the pedestal to a part of a side face of the pedestal, and one or two or more light-emitting device chips mounted on the pedestal, and driven by a current that flows through the wiring pattern.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: September 10, 2019
    Assignee: Saturn Licensing LLC
    Inventors: Koichi Yamamoto, Takehito Hirose, Shigeru Teshigahara
  • Publication number: 20190208622
    Abstract: A ceramic electronic component according to the present disclosure includes a ceramic insulator and conductor portions including inner conductors disposed inside the ceramic insulator and outer conductors disposed outside the ceramic insulator, wherein each conductor portion has a surface and a back surface opposite to the surface, and at least one of the conductor portions includes a flat portion in which the conductor thickness is constant, surface corner portions having a round-chamfered shape in the direction from the surface toward the back surface of the inner conductor or the outer conductor, and back surface corner portions having a round-chamfered shape in the direction from the back surface toward the surface of the inner conductor or the outer conductor.
    Type: Application
    Filed: February 1, 2019
    Publication date: July 4, 2019
    Inventors: Yosuke MATSUSHITA, Issei YAMAMOTO, Shigeru ENDO, Yoshihito OTSUBO
  • Patent number: 10319567
    Abstract: A microwave plasma source for forming a surface wave plasma by radiating a microwave into a chamber of a plasma processing apparatus, which includes: a microwave output part for outputting the microwave; a microwave transmission part for transmitting the microwave; and a microwave radiation member for radiating the microwave into the chamber. The microwave transmission part includes a plurality of microwave introduction mechanisms circumferentially arranged in a peripheral portion of the microwave radiation member and configured to introduce the microwave into the microwave radiation member. The microwave radiation member includes a metal main body, a plurality of dielectric slow-wave members arranged in an overall annular shape in the vicinity of an arrangement surface of the main body, an annular dielectric microwave transmission member arranged in a microwave radiation surface of the main body, and a slot antenna part installed between the slow-wave members and the microwave transmission member.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: June 11, 2019
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Taro Ikeda, Akira Tanihara, Shigeru Kasai, Nobuhiko Yamamoto
  • Patent number: 10312006
    Abstract: An undulator magnet having favorable transportation workability is provided. Specifically, an undulator permanent magnet used for an undulator is provided that generates radiation light by meandering electrons that travel in a first direction, wherein, in the undulator permanent magnet, one end surface in the first direction forms a first connecting surface connected to another undulator permanent magnet, N poles and S poles are alternately arranged in the first direction on one magnetic pole surface in a second direction orthogonal to the first direction, and thus a magnetic flux density distribution having a plurality of peaks is generated, and when the plurality of peaks are represented as the first to m-th peaks Pm (m is an integer of 1 or more) in order from the side of the first connecting surface, a magnitude of the first peak P1 is larger than a magnitude of the third peak P3.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: June 4, 2019
    Assignee: INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION HI
    Inventors: Shigeru Yamamoto, Jun Taniguchi
  • Publication number: 20190080828
    Abstract: An undulator magnet having favorable transportation workability is provided. Specifically, an undulator permanent magnet used for an undulator is provided that generates radiation light by meandering electrons that travel in a first direction, wherein, in the undulator permanent magnet, one end surface in the first direction forms a first connecting surface connected to another undulator permanent magnet, N poles and S poles are alternately arranged in the first direction on one magnetic pole surface in a second direction orthogonal to the first direction, and thus a magnetic flux density distribution having a plurality of peaks is generated, and when the plurality of peaks are represented as the first to m-th peaks Pm (m is an integer of 1 or more) in order from the side of the first connecting surface, a magnitude of the first peak P1 is larger than a magnitude of the third peak P3.
    Type: Application
    Filed: August 30, 2018
    Publication date: March 14, 2019
    Inventors: Shigeru Yamamoto, Jun Taniguchi
  • Publication number: 20190033098
    Abstract: A resolver includes a resolver rotor fixed to a rotating shaft, and a resolver stator disposed around the resolver rotor. The resolver stator includes an annular stator core having a plurality of salient poles which protrudes radially inward and which is disposed at regular intervals in a circumferential direction. The resolver rotor has an outer peripheral surface defined by an outer radius Rm(?) which is obtained by blending, with respect to a first function Gp(?) where an air gap between the resolver rotor and the salient poles is proportional to a sine wave (sin ?) related to an angle ? of the resolver rotor, a second function Gip(?) where the inverse of the air gap is proportional to the sine wave (sin ?), at a predetermined ratio ?.
    Type: Application
    Filed: June 1, 2018
    Publication date: January 31, 2019
    Inventor: Shigeru Yamamoto
  • Publication number: 20180277454
    Abstract: A substrate treatment method according to the present invention is a substrate treatment method of treating at least one substrate in a treatment tank with treatment liquid. The substrate treatment method includes the following processes of: acquiring in advance treatment information of the substrate to be treated in the treatment tank; specifying a predicted concentration change pattern corresponding to the acquired treatment information of the substrate by referencing correspondence information describing a plurality of situations possible for the treatment information and a plurality of concentration change patterns of the treatment liquid prepared in advance to respectively correspond to the plurality of situations of the treatment information; and carrying out concentration control of the treatment liquid based on the predicted concentration change pattern while the substrate is treated in the treatment tank.
    Type: Application
    Filed: February 7, 2018
    Publication date: September 27, 2018
    Inventors: Koji KURASAKI, Kenji EDAMITSU, Masaharu SATO, Kei TAKECHI, Takeshi MATSUMURA, Hiroaki UCHIDA, Shigeru YAMAMOTO, Tomohiro TAKAHASHI, Hironobu IWATANI, Shinji SUGIOKA
  • Patent number: 10059802
    Abstract: Provided is a method for producing polyphenylene ether (PPE) having excellent mechanical properties, heat aging resistance, and color, and in which the content of impurities such as low molecular weight components and catalyst metal is low. The method for producing PPE includes: performing oxidative polymerization of a phenolic compound in a polymerization solution containing the phenolic compound, a catalyst, and an aromatic solvent to obtain a PPE mixed liquid; precipitating PPE to obtain a slurry containing particulate PPE through addition of a polar solvent to the PPE mixed liquid; solid-liquid separating the slurry to obtain wet PPE particles; washing the wet PPE particles to obtain PPE particles through at least one cycle of a washing and solid-liquid separation process in which washing is performed with a washing liquid containing an aromatic solvent and a polar solvent, and in which solid-liquid separation is performed; and drying the PPE particles.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: August 28, 2018
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shigeru Yamamoto, Akira Mitsui
  • Patent number: 9777114
    Abstract: A method for producing a polyphenylene ether (PPE) provides the PPE that includes less gel and that is good in mechanical property and heat resistance, wherein the method includes a polymerization step of subjecting a phenol compound to oxidative polymerization in the presence of a polymerization catalyst in a good solvent for a polyphenylene ether to thereby provide a polyphenylene ether solution, a catalyst extraction step of adding an aqueous chelating agent solution to the polyphenylene ether solution and extracting the polymerization catalyst into the aqueous chelating agent solution to thereby provide a catalyst-removed polyphenylene ether solution, a concentration step of removing a part of the good solvent from the catalyst-removed polyphenylene ether solution to provide a concentrated polyphenylene ether solution, and a gel removal step of removing at least a visually observable chloroform-insoluble substance from the concentrated polyphenylene ether solution, to thereby provide a gel-removed polyphe
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: October 3, 2017
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shigeru Yamamoto, Akira Mitsui
  • Publication number: 20170275424
    Abstract: Provided is a method for producing polyphenylene ether (PPE) having excellent mechanical properties, heat aging resistance, and color, and in which the content of impurities such as low molecular weight components and catalyst metal is low. The method for producing PPE includes: performing oxidative polymerization of a phenolic compound in a polymerization solution containing the phenolic compound, a catalyst, and an aromatic solvent to obtain a PPE mixed liquid; precipitating PPE to obtain a slurry containing particulate PPE through addition of a polar solvent to the PPE mixed liquid; solid-liquid separating the slurry to obtain wet PPE particles; washing the wet PPE particles to obtain PPE particles through at least one cycle of a washing and solid-liquid separation process in which washing is performed with a washing liquid containing an aromatic solvent and a polar solvent, and in which solid-liquid separation is performed; and drying the PPE particles.
    Type: Application
    Filed: March 22, 2017
    Publication date: September 28, 2017
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shigeru YAMAMOTO, Akira MITSUI
  • Patent number: 9156132
    Abstract: Disclosed herein is a surface treatment machine that enables the inhibition or reduction of residual abrasives that remain on a workpiece that has been surface treated. An H steel (a workpiece to be treated) 12 is conveyed by means of a conveying device 20. Blasting devices 24A, 24B are then projected abrasives on to the conveying H steel such that it is surface treated. In the downstream of the blasting devices 24A, 24B along the conveying direction, a blowing port 30A of an air blower 30 is located above a conveying path to blow gas to the upper surface 112A of the H steel 12 such that the abrasives on the H steel 12 are blown off and removed therefrom.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: October 13, 2015
    Assignee: SINTOKOGIO, LTD.
    Inventors: Shigeru Yamamoto, Tadanobu Oyama
  • Patent number: 9127436
    Abstract: An engine output control system is for a work vehicle composed of an engine, a travel device and a power transmission unit, the power transmission unit including a torque converter and transmitting an output of the engine to the travel device via the torque converter. The engine output control system includes a speed ratio computation portion and an engine output reduction control portion. The speed ratio computation portion is configured and arranged to compute a speed ratio of the torque converter. The engine output reduction control portion is configured and arranged to reduce an output torque of the engine without changing a target speed of the engine when the computed speed ratio is equal to or less than a speed ratio threshold set in advance. The speed ratio threshold is a speed ratio at which a torque ratio of the torque converter is greater than a torque ratio corresponding to a maximum efficiency.
    Type: Grant
    Filed: October 9, 2008
    Date of Patent: September 8, 2015
    Assignee: KOMATSU LTD.
    Inventors: Tomohiro Nakagawa, Shigeru Yamamoto, Kenjiro Shimada
  • Patent number: 9110469
    Abstract: A self-propelled work apparatus includes a traveling unit, a work unit, and a user interface. The traveling unit moves in a self-propelled manner to a position near a user. The work unit performs predetermined work. The user interface adjusts a position of the traveling unit located near the user, in accordance with a motion of the user. The work unit starts the predetermined work when the user interface is activated in accordance with the user motion.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: August 18, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Susumu Yamamoto, Shigeru Yamamoto, Yasuharu Sakurai, Hirokazu Tsubota
  • Patent number: 9091342
    Abstract: A control device controls a hydrostatic transmission vehicle having a hydrostatic transmission including a variable displacement pump and a variable displacement hydraulic motor. The control device is configured to set a set vehicle speed based on a forward/rearward travel command and a gear stage command instructed by an operator, to set a torque limit usable for the hydrostatic transmission based on an engine speed, to set a vehicle speed limit based on a pressure in the hydraulic circuit and the torque limit, to select a lower one of the set vehicle speed and the vehicle speed limit, and to control respective displacements of the variable displacement pump and the variable displacement hydraulic motor based on the selected vehicle speed.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: July 28, 2015
    Assignee: KOMATSU LTD.
    Inventors: Eiji Ishibashi, Masayuki Mukaino, Shigeru Yamamoto, Yoshitaka Onodera, Takao Ishihara
  • Publication number: 20150066317
    Abstract: A control device controls a hydrostatic transmission vehicle having a hydrostatic transmission including a variable displacement pump and a variable displacement hydraulic motor. The control device is configured to set a set vehicle speed based on a forward/rearward travel command and a gear stage command instructed by an operator, to set a torque limit usable for the hydrostatic transmission based on an engine speed, to set a vehicle speed limit based on a pressure in the hydraulic circuit and the torque limit, to select a lower one of the set vehicle speed and the vehicle speed limit, and to control respective displacements of the variable displacement pump and the variable displacement hydraulic motor based on the selected vehicle speed.
    Type: Application
    Filed: March 14, 2014
    Publication date: March 5, 2015
    Inventors: Eiji ISHIBASHI, Masayuki MUKAINO, Shigeru YAMAMOTO, Yoshitaka ONODERA, Takao ISHIHARA
  • Patent number: 8955472
    Abstract: A work vehicle is provided with an engine, a traveling device driven by driving force from the engine to cause the work vehicle to travel, a first hydraulic pump driven by the driving force from the engine to discharge hydraulic oil, and a cooling device having a cooling fan driven by the hydraulic oil supplied by the first hydraulic pump to cool the engine, and a control unit. The control unit performs a normal cooling control in which an upper limit fan speed is determined based on an engine speed, and a cooling suppression control in which the upper limit fan speed determined based on the engine speed is suppressed to be less than the upper limit fan speed during the normal cooling control when a predetermined operation required to increase the engine speed is performed.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: February 17, 2015
    Assignee: Komatsu Ltd.
    Inventors: Satoru Shintani, Shigeru Yamamoto, Kazuyuki Suzuki, Takeshi Takaura, Tomohiro Nakagawa
  • Patent number: 8931572
    Abstract: A work machine includes a vehicle body, a blade supported by the vehicle body, a pair of first hydraulic cylinders, a pair of second hydraulic cylinders, a pair of lift stroke sensors and a control unit. The first hydraulic cylinders are configured to lower and raise the blade. The second hydraulic cylinders are configured to tilt the blade forward and backward and left and right. The lift stroke sensors are configured to detect stroke amounts from the pair of first hydraulic cylinders, respectively. The control unit is configured to start actuating the pair of second hydraulic cylinders when the stroke amounts of the pair of first hydraulic cylinders match. The control unit is configured to stop actuating the pair of second hydraulic cylinders based on a magnitude relation between a prescribed threshold and a difference in the stroke amounts of the pair of first hydraulic cylinders.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: January 13, 2015
    Assignee: Komatsu Ltd.
    Inventors: Kazushi Nakata, Shigeru Yamamoto
  • Publication number: 20140365060
    Abstract: A self-propelled work apparatus includes a traveling unit, a work unit, and a user interface. The traveling unit moves in a self-propelled manner to a position near a user. The work unit performs predetermined work. The user interface adjusts a position of the traveling unit located near the user, in accordance with a motion of the user. The work unit starts the predetermined work when the user interface is activated in accordance with the user motion.
    Type: Application
    Filed: December 12, 2013
    Publication date: December 11, 2014
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Susumu YAMAMOTO, Shigeru YAMAMOTO, Yasuharu SAKURAI, Hirokazu TSUBOTA
  • Publication number: 20140345889
    Abstract: A work machine includes a vehicle body, a blade supported by the vehicle body, a pair of first hydraulic air of second hydraulic cylinders, a pair of lift stroke sensors and a control unit. The first hydraulic cylinders are configured to lower and raise the blade. The second hydraulic cylinders are configured to tilt the blade forward and backward and left and right. The lift stroke sensors are configured to detect stroke amounts from the pair of first hydraulic cylinders, respectively. The control unit is configured to start actuating the pair of second hydraulic cylinders when the stroke amounts of the pair of first hydraulic cylinders match. The control unit is configured to stop actuating the pair of second hydraulic cylinders based on a magnitude relation between a prescribed threshold and a difference in the stroke amounts of the pair of first hydraulic cylinders.
    Type: Application
    Filed: June 12, 2013
    Publication date: November 27, 2014
    Inventors: Kazushi Nakata, Shigeru Yamamoto
  • Publication number: 20140147658
    Abstract: Provided is a laminate of a polyimide foam having an excellent thermal resistance, excellent flame retardancy, high safety, and high moisture-proof effects, and a thermal insulation material including the same. The present invention provides a laminate including a foam formed of polyimide having a glass transition temperature (Tg) exceeding 300° C., and a surface layer including a flame-retardant resin composition containing a chlorine-containing elastomer and a flame retardant, and laminated on at least one surface of the foam so as to be integrated therewith, and a thermal insulation material including the same.
    Type: Application
    Filed: July 26, 2012
    Publication date: May 29, 2014
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Toshinori Hosoma, Shigeru Yamamoto