Patents by Inventor Toru Fujii

Toru Fujii 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).

  • Publication number: 20250055254
    Abstract: A semiconductor laser of the present invention includes: a waveguide structure including, in order, a first semiconductor layer, an active layer, and a second semiconductor layer; a p-type semiconductor layer disposed in contact with one side surface of the active layer; an n-type semiconductor layer disposed in contact with the other side surface of the active layer; a reflector optically coupled to one end of the active layer in a waveguide direction; a waveguide layer optically coupled to the other end of the active layer in the waveguide direction; a diffraction grating disposed on either one of a lower surface and an upper surface of the waveguide layer; and a refractive index control unit for changing a refractive index of the waveguide layer. Thus, the semiconductor laser of the present invention can provide a good high-temperature operation with a simple configuration.
    Type: Application
    Filed: December 20, 2021
    Publication date: February 13, 2025
    Inventors: Koji Takeda, Shinji Matsuo, Takuro Fujii, Toru Segawa, Yoshiho Maeda
  • Patent number: 12222710
    Abstract: To keep plant performance constant in a control apparatus for controlling a plant including a plurality of units. The control apparatus (a PCM) controls an automobile including a plurality of units. The control apparatus includes a model controller that generates a target value of a characteristic to be achieved by each unit based on a model set for each unit, a unit specifier (a performance change determinator) that specifies a unit in which performance unique to the unit has changed among the units, and a target value corrector (an FF updater) that corrects the target value for the unit that has been specified by the unit specifier.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: February 11, 2025
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Minoru Miyakoshi, Chitoshi Morishige, Yasuhide Yano, Tomohoko Adachi, Seiya Fujii, Shin Wakitani, Nobutaka Wada, Toru Yamamoto
  • Publication number: 20250047069
    Abstract: A semiconductor laser includes: a waveguide structure including, in order, a first semiconductor layer, an active layer, and a second semiconductor layer; a p-type semiconductor layer disposed in contact with one side surface of the active layer; an n-type semiconductor layer disposed in contact with the other side surface of the active layer; a waveguide layer optically coupled to the active layer in a waveguide direction; a first diffraction grating disposed on either one of a lower surface of the first semiconductor layer, an upper surface of the second semiconductor layer, and a side surface of the active layer; a second diffraction grating disposed on either one of a lower surface and an upper surface of the waveguide layer; and a refractive index control unit for changing a refractive index of the waveguide layer. The semiconductor laser can achieve a good high-temperature operation with a simple configuration.
    Type: Application
    Filed: December 20, 2021
    Publication date: February 6, 2025
    Inventors: Takuro Fujii, Koji Takeda, Toru Segawa, Yoshiho Maeda, Shinji Matsuo
  • Publication number: 20250043373
    Abstract: In the present invention, there is provided a coating liquid for forming an insulation coating for a grain-oriented electrical steel sheet, including: a solvent; and one or two more layered clay mineral powders having a specific surface area of 20 m2/g or more. In addition, in the present invention, there is provided a grain-oriented electrical steel sheet including: a base metal; and an insulation coating provided on a surface of the base metal, in which the insulation coating contains SiO2, and one or two of Al2O3 and MgO, and has a porosity of 10% or less.
    Type: Application
    Filed: October 22, 2024
    Publication date: February 6, 2025
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Shuichi YAMAZAKI, Kazutoshi TAKEDA, Hiroyasu FUJII, Toru NAGAI
  • Publication number: 20250020417
    Abstract: A heater device includes a flexible heat generating portion, a surface layer that covers a front side of the heat generating portion, and a heat insulating portion that covers a back side of the heat generating portion and blocks heat generated by the heat generating portion. The heat generating portion, the surface layer, and the heat insulating portion are configured as a laminate in which the surface layer, the heat generating portion, and the heat insulating portion are laminated in this order via an adhesive. The laminate has a plurality of slits for suppressing deformation due to differences in the linear expansion coefficients of the heat generating portion, the surface layer and the heat insulating portion.
    Type: Application
    Filed: September 26, 2024
    Publication date: January 16, 2025
    Inventors: Yusuke KOMATSUBARA, Takayuki SHIMAUCHI, Toshiharu FUJII, Toru MORI
  • Publication number: 20240061410
    Abstract: The present invention reduces costs relating to generation of a model, and suppresses a decrease in the estimating accuracy of the generated model. A quality prediction system of one aspect of the present invention acquires first learning data collected in first manufacturing equipment, acquires second learning data collected in second manufacturing equipment, and in order to implement transfer learning, converts the acquired first learning data to match the second learning data, uses the converted first learning data and the second learning data to implement machine learning of a quality prediction model, uses a trained quality prediction model to specify an adjustment amount for each adjustment item of the second manufacturing equipment so that a quality index predicted for a second product satisfies a quality standard, and outputs the specified adjustment amount of each adjustment item of the second manufacturing equipment.
    Type: Application
    Filed: September 14, 2021
    Publication date: February 22, 2024
    Applicant: OMRON Corporation
    Inventors: Yuya OTA, Reiko HATTORI, Mami MIYAMOTO, Toru FUJII
  • Patent number: 11862436
    Abstract: A plasma processing apparatus includes a processing vessel; a placing table, serving as a lower electrode, disposed within the processing vessel; an upper electrode serving as a facing electrode of the placing table; a plasma processor configured to form a gas within the processing vessel into plasma by supplying a high frequency power and to process a processing target object on the placing table with the plasma; a cover member configured to cover the upper electrode from thereabove; a cooler provided within the cover member and configured to cool the upper electrode with a coolant having a temperature lower than a dew point temperature of exterior air outside the processing vessel; and a gas supply configured to supply a low-dew point gas having a dew point temperature lower than the dew point temperature of the exterior air into a space surrounded by the cover member and the upper electrode.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: January 2, 2024
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Toru Fujii, Yoshitomo Konta, Kohei Otsuki
  • Publication number: 20220053785
    Abstract: Provided is a method for producing hen's egg improved in quality includes feeding a solid-cultured product of filamentous bacteria blended with feedstuff of a hen or the solid-cultured product of the filamentous bacteria alone to a hen to improve quality of the hen's egg, in which at least one quality among improvement in yolk color, improvement in eggshell strength, increase in an egg white height, increase in an eggshell thickness, increase in an egg weight, increase in a Haugh unit, increase in an egg production ratio, and reduction in a generation ratio of an abnormal egg is improved for hen's egg that the hen ingesting the solid-cultured product of the filamentous bacteria produce.
    Type: Application
    Filed: September 10, 2020
    Publication date: February 24, 2022
    Inventors: Satoko SENOO, Natsuki FUKANO, Miyabi MORINO, Yuma FUKUDA, Ayano NAKAYAMA, Satoru ARIYASU, Yuma NAKANISHI, Yoshino MITSUDA, Mio MORIMOTO, Maho OTSUKI, Toru FUJII
  • Publication number: 20220044914
    Abstract: A plasma processing apparatus includes a processing vessel; a placing table, serving as a lower electrode, disposed within the processing vessel; an upper electrode serving as a facing electrode of the placing table; a plasma processor configured to form a gas within the processing vessel into plasma by supplying a high frequency power and to process a processing target object on the placing table with the plasma; a cover member configured to cover the upper electrode from thereabove; a cooler provided within the cover member and configured to cool the upper electrode with a coolant having a temperature lower than a dew point temperature of exterior air outside the processing vessel; and a gas supply configured to supply a low-dew point gas having a dew point temperature lower than the dew point temperature of the exterior air into a space surrounded by the cover member and the upper electrode.
    Type: Application
    Filed: October 20, 2021
    Publication date: February 10, 2022
    Inventors: Toru Fujii, Yoshitomo Konta, Kohei Otsuki
  • Patent number: 11183371
    Abstract: A plasma processing apparatus includes a processing vessel; a placing table, serving as a lower electrode, disposed within the processing vessel; an upper electrode serving as a facing electrode of the placing table; a plasma processor configured to form a gas within the processing vessel into plasma by supplying a high frequency power and to process a processing target object on the placing table with the plasma; a cover member configured to cover the upper electrode from thereabove; a cooler provided within the cover member and configured to cool the upper electrode with a coolant having a temperature lower than a dew point temperature of exterior air outside the processing vessel; and a gas supply configured to supply a low-dew point gas having a dew point temperature lower than the dew point temperature of the exterior air into a space surrounded by the cover member and the upper electrode.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: November 23, 2021
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Toru Fujii, Yoshitomo Konta, Kohei Otsuki
  • Patent number: 11029674
    Abstract: An information processing device determines, based on a preset threshold, whether the production index belongs to either a first section or a second section contained in one maintenance cycle of the member, wherein a change in the production index is larger in the second section than in the first section. The information processing device executes at least one of first processing in which the production index determined to belong to the first section is used and second processing in which the production index determined to belong to the second section is used.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: June 8, 2021
    Assignee: OMRON Corporation
    Inventors: Takayoshi Matsuyama, Reiko Hattori, Toru Fujii, Hideki Yachiku, Hiroshi Kuribayashi
  • Publication number: 20200211826
    Abstract: A plasma processing apparatus includes a processing vessel; a placing table, serving as a lower electrode, disposed within the processing vessel; an upper electrode serving as a facing electrode of the placing table; a plasma processor configured to form a gas within the processing vessel into plasma by supplying a high frequency power and to process a processing target object on the placing table with the plasma; a cover member configured to cover the upper electrode from thereabove; a cooler provided within the cover member and configured to cool the upper electrode with a coolant having a temperature lower than a dew point temperature of exterior air outside the processing vessel; and a gas supply configured to supply a low-dew point gas having a dew point temperature lower than the dew point temperature of the exterior air into a space surrounded by the cover member and the upper electrode.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 2, 2020
    Inventors: Toru Fujii, Yoshitomo Konta, Kohei Otsuki
  • Patent number: 10639759
    Abstract: There are provided a load state diagnosis device and a load state diagnosis method for a servomotor. A PLC diagnoses the load state of the servomotor which rotationally drives a rotary tool in a predetermined rotational drive direction at a constant speed. The PLC includes a detection part that detects the rotational direction of a torque acting on the servomotor, a determination part that determines whether the rotational direction of the torque detected by the detection part is consistent with the predetermined rotational drive direction, and a load index output part that outputs a load index indicating the load state of the servomotor based on a determination result of the determination part.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: May 5, 2020
    Assignee: OMRON Corporation
    Inventors: Reiko Hattori, Takayoshi Matsuyama, Toru Fujii
  • Patent number: 10591824
    Abstract: According to one embodiment, an illumination optical apparatus comprises: a light splitting device which splits the beam into a plurality of beams with respective polarization states different from each other; a spatial light modulation device which is arranged on at least one of a first optical path in which a first beam out of the plurality of beams travels and a second optical path in which a second beam out of the plurality of beams travels, and which has a plurality of optical elements arranged two-dimensionally and driven individually; and a control device which controls the spatial modulation device to combine the first beam and the second beam at least in part.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: March 17, 2020
    Assignee: NIKON CORPORATION
    Inventor: Toru Fujii
  • Patent number: 10554035
    Abstract: An arc detector includes a current sensor, a power spectrum conversion unit that converts an output from the current sensor to a power spectrum, a section value obtaining unit that divides an arc measurement section for the power spectrum into a plurality of regions, and obtains, from region values for the plurality of regions excluding a maximum one of the region values, a region value to be a section value of the arc measurement section, and an arc determination unit that determines a presence of an arc by comparing the section value with a threshold.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: February 4, 2020
    Assignee: OMRON Corporation
    Inventors: Kohei Tomita, Toru Fujii, Reiko Hattori, Takeshi Ashida
  • Publication number: 20190184511
    Abstract: There are provided a load state diagnosis device and a load state diagnosis method for a servomotor. A PLC diagnoses the load state of the servomotor which rotationally drives a rotary tool in a predetermined rotational drive direction at a constant speed. The PLC includes a detection part that detects the rotational direction of a torque acting on the servomotor, a determination part that determines whether the rotational direction of the torque detected by the detection part is consistent with the predetermined rotational drive direction, and a load index output part that outputs a load index indicating the load state of the servomotor based on a determination result of the determination part.
    Type: Application
    Filed: October 17, 2018
    Publication date: June 20, 2019
    Applicant: OMRON Corporation
    Inventors: Reiko HATTORI, Takayoshi MATSUYAMA, Toru FUJII
  • Publication number: 20190181025
    Abstract: A monitoring system according to an aspect may construct a predictive model that predicts a value of a removal amount depending on values of an accumulated operating time and an accumulated number of processed wafers, based on learning data; acquires actual values of the accumulated operating time, the accumulated number of processed wafers, and the removal amount with respect to a wet etching apparatus when it is in operation; calculates a predicted value of the removal amount by inputting the acquired actual values of the accumulated operating time and the accumulated number of processed wafers to the predictive model; calculates the difference between the predicted value and the actual value of the removal amount, as an indicator value serving as a measure of how necessary it is to replace a chemical solution; and outputs information regarding replacement of the chemical solution based on the calculated indicator value.
    Type: Application
    Filed: September 17, 2018
    Publication date: June 13, 2019
    Applicant: OMRON Corporation
    Inventors: Yuya OTA, Toru FUJII, Shin EGAMI, Kosuke TSURUTA, Hiroki KOYAMA
  • Publication number: 20190072945
    Abstract: An information processing device determines, based on a preset threshold, whether the production index belongs to either a first section or a second section contained in one maintenance cycle of the member, wherein a change in the production index is larger in the second section than in the first section. The information processing device executes at least one of first processing in which the production index determined to belong to the first section is used and second processing in which the production index determined to belong to the second section is used.
    Type: Application
    Filed: June 12, 2018
    Publication date: March 7, 2019
    Applicant: OMRON Corporation
    Inventors: Takayoshi MATSUYAMA, Reiko HATTORI, Toru FUJII, Hideki YACHIKU, Hiroshi KURIBAYASHI
  • Patent number: 9823180
    Abstract: An evaluation subject formed by a cut sample of a conveyor belt is mounted on a flat substrate with an inner periphery-side cover rubber layer located on the upper side, a support roller mounted in a frame is horizontally pulled and rolled in the longitudinal direction of the evaluation subject by pulling the frame by a wire while the support roller is pressed vertically downward against the upper surface of the evaluation subject at a preset pressure using a pneumatic cylinder without substantial deformation of the outer peripheral surface thereof, and tensile force in a horizontal direction measured at this time by a tensile force sensor connected to the wire is evaluated as resistance to moving over the support roller.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: November 21, 2017
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Shigehiko Amano, Gang Hou, Toru Fujii, Kazuya Okubo
  • Publication number: 20170324236
    Abstract: An arc detector includes a current sensor, a power spectrum conversion unit that converts an output from the current sensor to a power spectrum, a section value obtaining unit that divides an arc measurement section for the power spectrum into a plurality of regions, and obtains, from region values for the plurality of regions excluding a maximum one of the region values, a region value to be a section value of the arc measurement section, and an arc determination unit that determines a presence of an arc by comparing the section value with a threshold.
    Type: Application
    Filed: July 24, 2017
    Publication date: November 9, 2017
    Applicant: OMRON Corporation
    Inventors: Kohei TOMITA, Toru FUJII, Reiko HATTORI, Takeshi ASHIDA