Patents by Inventor Yusuke Oishi

Yusuke Oishi 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: 20210357811
    Abstract: A non-transitory computer-readable recording medium has stored therein a program that causes a computer to execute a process, the process including identifying, for an electronic circuit to be analyzed, a resonance frequency of a current and a spatial distribution of the current that flows through the electronic circuit to be analyzed at the resonance frequency, generating a machine learning model using a training data set in which arrangements of circuit elements in respective electronic circuits differ from each other, inputting a value of the identified resonance frequency and information of the identified spatial distribution to the generated machine learning model, and estimating an electromagnetic wave radiation situation of the electronic circuit to be analyzed, based on an output from the machine learning model according to the inputting.
    Type: Application
    Filed: March 29, 2021
    Publication date: November 18, 2021
    Applicant: FUJITSU LIMITED
    Inventors: Hiroaki Yamada, Shohei Yamane, Yoichi Kochibe, Takashi YAMAZAKI, Yusuke Oishi, Toshiyasu OHARA
  • Publication number: 20210293870
    Abstract: A radiated electromagnetic wave estimation is performed by a computer. The estimation process includes: converting a circuit diagram of an electronic circuit board into a combination of a plurality of partial circuits; and predicting radiated electromagnetic waves from the electronic circuit board by using a prediction result of a radiated electromagnetic wave for each of the partial circuits obtained by the converting.
    Type: Application
    Filed: February 22, 2021
    Publication date: September 23, 2021
    Applicant: FUJITSU LIMITED
    Inventors: Yusuke Oishi, Shohei Yamane, Yoichi Kochibe, Hiroaki WATANABE, Toshiyasu OHARA
  • Publication number: 20210297838
    Abstract: Information for determining whether to evacuate or not is provided to a user by a computerized process. The process includes: acquiring a number of evacuees for each of a plurality of targets corresponding to a predetermined user; selecting a target of the plurality of targets based on the acquired numbers of evacuees for the plurality of targets and importance levels respectively set for the plurality of targets; and associating information on the selected target with information on the acquired number of evacuees for the selected target and outputting the information on the selected target and the information on the acquired number of evacuees for the selected target to the predetermined user.
    Type: Application
    Filed: March 4, 2021
    Publication date: September 23, 2021
    Applicant: FUJITSU LIMITED
    Inventors: Fumiyasu Makinoshima, Yusuke Oishi, Takashi YAMAZAKI, Takao Higashiyama
  • Publication number: 20210287406
    Abstract: A product design system according to an embodiment of the present disclosure includes a first transmitting section that uses a look-up table to convert second design image data for which image correction is completed into third design image data of a color space that is represented with a thermochromic material, and transmits the third design image data derived from the conversion to an external apparatus, and a second transmitting section that transmits a decorating request based on fourth design image data that is profile-transformed from the second design image data to a decorating apparatus.
    Type: Application
    Filed: November 17, 2017
    Publication date: September 16, 2021
    Inventors: ASUKA TEJIMA, YUKI OISHI, MASARU WADA, KENICHI KURIHARA, SATOKO ASAOKA, YURIKO KAINO, NOBUKAZU HIRAI, YUSUKE KAJIO, AYA SHUTO, TAICHI TAKEUCHI, ISAO TAKAHASHI
  • Publication number: 20210131444
    Abstract: An ammonia plant synthesis gas compressor train includes a steam turbine; and a compression unit that compresses a synthesis gas by being rotationally driven by the steam turbine. The compression unit includes a rotary shaft that rotates around an axis, and a plurality of impellers that are provided on the rotary shaft at intervals in a direction of the axis and are rotated integrally with the rotary shaft to pump a gas outward in a radial direction to compress the gas. In at least one of the impellers, a maximum operating peripheral speed at a radially outermost position of the impeller is within a range of 290 m/s to 390 m/s, a yield strength is 827 MPa or less, and a Vickers hardness is 311 or less.
    Type: Application
    Filed: October 28, 2020
    Publication date: May 6, 2021
    Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Yusuke Oishi, Hiroaki Oka
  • Publication number: 20210123446
    Abstract: A charge gas compressor train for an ethylene plant is provided having a smaller size and an increased capacity. The present disclosure provides a charge gas compressor train for an ethylene plant, the compressor including: a steam turbine; and a compression unit that is driven by the steam turbine to compress a charge gas, the compression unit includes a closed impeller at each impeller of a plurality of compression stages, an outer diameter of a blade of the closed impeller at least at an initial stage of the plurality of compression stages is 1,400 to 1,800 mm, a maximum operating peripheral speed of the blade of the closed impeller at the initial stage at an outermost diameter position is 350 to 400 m/s, and an output of the charge gas compressor train is 100 to 140 MW.
    Type: Application
    Filed: October 23, 2020
    Publication date: April 29, 2021
    Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Takashi Oda, Yusuke Oishi
  • Publication number: 20200331098
    Abstract: In a laser clad-welding method, a laser torch is moved so that a distance from a central axis of a countersunk groove to an irradiation locus of a laser beam falls within a first distance range within which a partitioning wall located between adjacent countersunk grooves does not melt down in a part of the countersunk groove on a center side of the combustion chamber, and a distance from the central axis of the countersunk groove to an irradiation locus of the laser beam falls within a second distance range within which a prescribed processing allowance is ensured with respect to a target interface in a part of the countersunk groove on an outer circumference side of the combustion chamber in a process of forming a cladding layer by irradiating a laser beam to the countersunk groove while feeding metal powder to the countersunk groove.
    Type: Application
    Filed: March 6, 2020
    Publication date: October 22, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naruya Tsuji, Yusuke Oishi
  • Publication number: 20200110850
    Abstract: An estimation method is performed by a computer for estimating a far field of electromagnetic waves or heat. The method includes: generating an emphasis pattern image obtained by emphasizing each target element of a pattern image of a target circuit by an emphasizing method that corresponds to a type of each target element, with respect to the target element which is at least a part of elements included in the target circuit; and estimating the far field of electromagnetic waves or heat radiated from the target circuit by an existing estimation model using the emphasis pattern image.
    Type: Application
    Filed: September 26, 2019
    Publication date: April 9, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Shohei Yamane, Yusuke Oishi, Hiroaki Watanabe, Yoichi Kochibe
  • Publication number: 20190286770
    Abstract: A computer-readable recording medium storing therein a program for causing a computer to execute a process that includes: generating a plurality of first gene-information point sets; deciding a plurality of first reference points on a boundary line and generating a plurality of first rectangular regions based on the first gene-information point sets; generating a plurality of second gene -information point sets using a genetic algorithm; for each of the plurality of second gene-information point sets, deciding a plurality of second reference points on the boundary line and generating a plurality of second rectangular regions; specifying one of the plurality of first gene-information point sets and the plurality of second gene-information point sets; and dividing a target region based on the plurality of first rectangular regions or the plurality of second rectangular regions generated according to the specified first gene-information point set or second gene-information point set.
    Type: Application
    Filed: March 4, 2019
    Publication date: September 19, 2019
    Applicant: FUJITSU LIMITED
    Inventor: Yusuke Oishi
  • Publication number: 20160259670
    Abstract: Provided is a non-transitory computer readable medium storing a mapping information generation program that causes a computer to execute a process, the process including: placing a plurality of processes in a space generated by a computer; changing positions of the plurality of processes by applying at least one of an attracting force and a repulsive force between each two processes included in the plurality of processes; and generating information that maps the plurality of processes to a plurality of processors based on changed positions of the plurality of processes and positions of the plurality of processors.
    Type: Application
    Filed: January 6, 2016
    Publication date: September 8, 2016
    Applicant: FUJITSU LIMITED
    Inventor: Yusuke Oishi
  • Publication number: 20160157931
    Abstract: A treatment device includes a first energy output portion that is disposed in one of a pair of holding portions and includes first and second operation regions; and a second energy output portion that is disposed in the other holding portion of the pair of holding portions and includes third and fourth operation regions. The first operation region projects toward the second energy output portion more than the second operation region. The third operation region projects toward the first energy output portion more than the fourth operation region. Each of the first and third operation regions includes steps.
    Type: Application
    Filed: February 11, 2016
    Publication date: June 9, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Hiroaki ICHIKAWA, Hideyuki KASAHARA, Yusuke OISHI
  • Patent number: 9159489
    Abstract: The invention includes: powder preparation step of obtaining magnetic core powders by mixing, of magnetic powders with thermosetting resin powders in hot state; powder filling step of filling the obtained magnetic core powders into a die; a compaction step of compacting magnetic core powders; and compact heating step of heating, compacts to the elevated temperature state at which the thermosetting resin hardens after compaction.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: October 13, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Junghwan Hwang, Takeshi Hattori, Masaki Hirano, Masaki Sugiyama, Yusuke Oishi, Daisuke Okamoto, Hidenari Yamamoto
  • Patent number: 8966225
    Abstract: A management unit causes a plurality of processing units to execute a calculation process. A determining unit determines whether a communication time for a communication process of exchanging a calculation result obtained from the calculation process is longer than a calculation time for the calculation process, the communication process being executed between a first computational node including the processor and a second computational node being a different computational node from the first computational node. A control unit limits number of processing units when the determining unit has determined that the communication time is longer than the calculation time.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: February 24, 2015
    Assignee: Fujitsu Limited
    Inventor: Yusuke Oishi
  • Patent number: 8916268
    Abstract: An iron powder for dust cores is provided which can be formed into a dust core having a high resistivity and having a low iron loss without degrading the mechanical strength. The iron powder for dust cores includes an iron powder and an oxide film on the surface thereof, wherein the oxide film is composed of a Si-based oxide in which the ratio of Si to Fe satisfies Si/Fe?0.8 on an atomic number basis.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: December 23, 2014
    Assignees: JFE Steel Corporation, Toyota Jidosha Kabushiki Kaisha
    Inventors: Takashi Kawano, Noriko Makiishi, Tatsuhiko Hiratani, Naomichi Nakamura, Yusuke Oishi, Eisuke Hoshina, Toshiya Yamaguchi, Daisuke Okamoto, Takeshi Hattori
  • Publication number: 20130147081
    Abstract: The invention includes: powder preparation step of obtaining magnetic core powders by mixing, of magnetic powders with thermosetting resin powders in hot state; powder filling step of filling the obtained magnetic core powders into a die; a compaction step of compacting magnetic core powders; and compact heating step of heating, compacts to the elevated temperature state at which the thermosetting resin hardens after compaction.
    Type: Application
    Filed: July 20, 2011
    Publication date: June 13, 2013
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Junghwan Hwang, Takeshi Hattori, Masaki Hirano, Masaki Sugiyama, Yusuke Oishi, Daisuke Okamoto, Hidenari Yamamoto
  • Patent number: 8414984
    Abstract: A method for manufacturing a powder for a magnetic core including at least a process of performing a siliconizing treatment on a surface of an iron powder containing elemental carbon. In the process of siliconizing treatment, a powder containing at least a silicon dioxide is brought into contact with the surface of the iron powder, elemental silicon is detached from the silicon dioxide by heating the powder of silicon dioxide, and the siliconizing treatment is performed by causing the detached elemental silicon to permeate and diffuse into a surface layer of the iron powder. The invention provides a method for manufacturing a powder for a magnetic core, by which loss reduction is achieved.
    Type: Grant
    Filed: November 11, 2008
    Date of Patent: April 9, 2013
    Assignees: Toyota Jidosha Kabushiki Kaisha, Fine Sinter Co., Ltd.
    Inventors: Eisuke Hoshina, Toshiya Yamaguchi, Yusuke Oishi, Tomoyasu Kitano, Kazuhiro Kawashima, Junghwan Hwang
  • Patent number: 8337638
    Abstract: A powder for a dust core comprising a silicon-containing layer formed within a depth of less than 0.15 D from the surface of the surface layer of a soft magnetic metal powder having a particle diameter D and a method for producing the same are provided.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: December 25, 2012
    Assignees: Toyota Jidosha Kabushiki Kaisha, Fine Sinter Co., Ltd
    Inventors: Yusuke Oishi, Eisuke Hoshina, Toshiya Yamaguchi, Kazuhiro Kawashima
  • Publication number: 20120210097
    Abstract: A management unit causes a plurality of processing units to execute a calculation process. A determining unit determines whether a communication time for a communication process of exchanging a calculation result obtained from the calculation process is longer than a calculation time for the calculation process, the communication process being executed between a first computational node including the processor and a second computational node being a different computational node from the first computational node. A control unit limits number of processing units when the determining unit has determined that the communication time is longer than the calculation time.
    Type: Application
    Filed: January 5, 2012
    Publication date: August 16, 2012
    Applicant: Fujitsu Limited
    Inventor: Yusuke OISHI
  • Publication number: 20120012777
    Abstract: A powder for dust core including a soft magnetic metal powder and a silicon impregnated layer made of silicon concentrated in a surface layer of the soft magnetic metal powder, in which a silicon dioxide powder is diffusion-bonded to a surface of the silicon impregnated layer to form a diffusion-bonded part while a part of the silicon dioxide powder is impregnated and diffused in the silicon impregnated layer and the other part of the same protrudes from the surface of the silicon impregnated layer. The diffusion-bonded part creates a gap with respect to another powder for dust core, thereby providing increased specific resistance.
    Type: Application
    Filed: September 21, 2010
    Publication date: January 19, 2012
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masaki Sugiyama, Toshiya Yamaguchi, Shota Ohira, Takeshi Hattori, Yusuke Oishi
  • Publication number: 20110119038
    Abstract: A parallel computing system that performs simulation of a sphere by using a spherical harmonic function, and comprises a plurality of computing nodes interconnected with each other via a communication path, wherein each of the computing nodes includes: a storage unit that stores spectral data obtained by dividing spectral space data into a plurality of data elements on the basis of longitudinal wavenumber; a computation unit that performs inverse Legendre transformation for a computation region divided in a latitudinal direction on the sphere and thereby transforms each of the spectral data elements to Fourier coefficient data; and a communication unit that transmits the Fourier coefficient data, obtained through the transformation performed by the computation unit, to another computing node via the communication path after the inverse Legendre transformation for the next computation region divided in the latitudinal direction on the sphere has been started by the computation unit.
    Type: Application
    Filed: May 13, 2010
    Publication date: May 19, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Yusuke OISHI, Ataru Sakuraba