Patents by Inventor Eiji Ohta

Eiji Ohta 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: 20240120035
    Abstract: A non-transitory computer-readable recording medium stores a program for causing a computer to execute a process, the process includes in repeat calculation of electron density of a substance by a self-consistent field method that uses a specific number of wave functions according to cutoff energy, executing a second electron density calculation at an (N+1)-th time (N is an integer greater than or equal to 1) by applying second cutoff energy of a value smaller than first cutoff energy applied to an first electron density calculation at an N-th time, determining whether the electron density obtained by the second electron density calculation at the (N+1)-th time satisfies a predetermined condition, and outputting the value of the second cutoff energy in a case where the condition is not satisfied.
    Type: Application
    Filed: July 13, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventor: Eiji OHTA
  • Patent number: 11842182
    Abstract: A non-transitory computer-readable recording medium stores a program for causing a computer to execute a process, the process includes extracting an optimization method and an optimization non-applicable condition indicating a reason why the optimization method is not applicable, from an optimization report created at a time of compiling software, determining an index value of optimization application easiness for each of a plurality of processing blocks included in the software, based on the optimization method and the optimization non-applicable condition, and determining an optimization target processing block to be optimized among the plurality of processing blocks included in the software, based on the index value.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: December 12, 2023
    Assignee: FUJITSU LIMITED
    Inventor: Eiji Ohta
  • Publication number: 20230325465
    Abstract: A non-transitory computer-readable recording medium stores an information processing program for causing a computer to execute a process including: receiving a setting of a parallel calculation condition that is a condition under which calculation resources perform parallel calculation of a target program and includes a number of processes of the target program; based on the parallel calculation condition, extracting a number of processes that maximizes calculation performance in a case where the calculation resources perform eigenvalue calculation of matrix data, for each of a plurality of pieces of matrix data with different sizes; and setting a number of processes to be performed when the target program performs the eigenvalue calculation, based on a number of processes for each of a plurality of pieces of matrix data with different sizes extracted in the extracting and a matrix size of the target program.
    Type: Application
    Filed: January 5, 2023
    Publication date: October 12, 2023
    Applicant: Fujitsu Limited
    Inventor: Eiji OHTA
  • Publication number: 20230324443
    Abstract: A non-transitory computer-readable recording medium stores a simulation program for causing a computer to execute a process including: generating thinned grids for electromagnetic current computation, according to electric field strength distribution in an equivalent electromagnetic current area; and calculating equivalent electromagnetic currents and far fields, by using the thinned grids.
    Type: Application
    Filed: January 9, 2023
    Publication date: October 12, 2023
    Applicant: Fujitsu Limited
    Inventor: Eiji OHTA
  • Publication number: 20230303395
    Abstract: A carbon nanotube composite wire 2 includes: a carbon nanotube 6; and a sintered layer 8 attached to a surface of the carbon nanotube 6. The sintered layer 8 includes a large number of silver flakes 14. These silver flakes 14 are bonded to each other by sintering. Flat surfaces 16 of silver flakes 14 partly overlap, or are partly in contact with, flat surfaces 16 of other adjacent silver flakes 14. An electrically conductive network is formed by these silver flakes 14 being adjacent to each other.
    Type: Application
    Filed: August 4, 2021
    Publication date: September 28, 2023
    Applicant: TOKUSEN KOGYO CO., LTD.
    Inventor: Eiji OHTA
  • Publication number: 20230184692
    Abstract: An inspection device inspects a formation state of a pocket portion formed in a container film of a blister pack and includes: an illumination device that irradiates a container film including the pocket portion with a predetermined electromagnetic wave; an imaging device that takes an image of at least the electromagnetic wave transmitted through a bottom portion of the pocket portion and obtains image data; a control device that extracts, based on the image data, shading pattern data corresponding to a shading pattern occurring in the bottom portion of the pocket portion by irradiation with the electromagnetic wave; a storage that stores a neural network and a model, the model being generated by learning of the neural network using, as learning data, only shading pattern data of a pocket portion without any formation defect among the extracted shading pattern data.
    Type: Application
    Filed: February 3, 2023
    Publication date: June 15, 2023
    Applicant: CKD CORPORATION
    Inventors: Shozo Oda, Yukihiro Taguchi, Eiji Ohta
  • Patent number: 11669458
    Abstract: A non-transitory computer-readable recording medium stores an adjustment program for causing a computer to perform a process including: acquiring a computation performance characteristic that indicates a computation performance value that corresponds to each adjustable dimension, through computation in which a cache memory in a processor that includes the cache memory is used; extracting, by using the computation performance characteristic, an adjustment condition for adjusting an adjustable dimension for which a decrease in computation performance due to a cache miss caused by a cache-line conflict in the cache memory occurs; and inserting adjustment processing based on the adjustment condition into a specific program that is executed by the processor and uses the adjustable dimension.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: June 6, 2023
    Assignee: FUJITSU LIMITED
    Inventor: Eiji Ohta
  • Publication number: 20230029437
    Abstract: A production method of a carbon nanotube yarn includes the steps of: (1) obtaining a web 40 including a large number of carbon nanotubes 36; (2) bringing a slider 24a into contact with the carbon nanotubes 36; and (3) moving the slider 24a in a direction to bundle the carbon nanotubes 36, the direction being inclined with respect to a direction in which the web 40 extends.
    Type: Application
    Filed: October 22, 2020
    Publication date: January 26, 2023
    Applicant: TOKUSEN KOGYO CO., LTD.
    Inventors: Eiji OHTA, Hiroyuki OHUE
  • Publication number: 20230009040
    Abstract: A production method of a long member including a large number of carbon nanotubes includes the steps of: (1) drawing the carbon nanotubes gradually from a first array to obtain a first web 10a; (2) bringing the first web 10a partially into contact with a first holder 12a to hold the first web 10a on the first holder 12a; (3) drawing the carbon nanotubes gradually from a second array to obtain a second web 10b; (4) bringing the second web 10b partially into contact with a second holder 12b to hold the second web 10b on the second holder 12b; and (5) placing a portion of the first web 10a and a portion of the second web 10b on each other to form a joint, the portions of the first and second webs 10a and 10b being in the vicinity of the first and second holders 12a and 12b, respectively, and being placed on each other such that width directions of the first and second webs 10a and 10b are substantially the same.
    Type: Application
    Filed: October 22, 2020
    Publication date: January 12, 2023
    Applicant: TOKUSEN KOGYO CO., LTD.
    Inventors: Eiji OHTA, Hiroyuki OHUE
  • Publication number: 20230004501
    Abstract: A non-transitory computer-readable recording medium stores an adjustment program for causing a computer to perform a process including: acquiring a computation performance characteristic that indicates a computation performance value that corresponds to each adjustable dimension, through computation in which a cache memory in a processor that includes the cache memory is used; extracting, by using the computation performance characteristic, an adjustment condition for adjusting an adjustable dimension for which a decrease in computation performance due to a cache miss caused by a cache-line conflict in the cache memory occurs; and inserting adjustment processing based on the adjustment condition into a specific program that is executed by the processor and uses the adjustable dimension.
    Type: Application
    Filed: March 9, 2022
    Publication date: January 5, 2023
    Applicant: FUJITSU LIMITED
    Inventor: Eiji Ohta
  • Patent number: 11513270
    Abstract: An optical body including: a first optical layer which has a surface having a convex profile in which a plurality of one-directionally extending elongated convex portions are one-dimensionally aligned in one direction; an inorganic layer disposed on the surface of the first optical layer on a side having the convex profile and a second optical layer disposed on a side of the inorganic layer so that the convex profile is embedded; wherein the convex profile meets at least one of the following (1) to (4): (1) a height varies in an extending direction in each of the elongated convex portions, (2) a ridge portion meanders in a direction perpendicular to both the extending direction and a height direction of the convex portion in each of the elongated convex portions, (3) heights of the elongated convex portions adjacent to each other are different from each other, and (4) a triangular prism-shaped convex portion and an elongated convex portion having a curved surface are adjacent to each other.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: November 29, 2022
    Assignee: Dexerials Corporation
    Inventors: Eiji Ohta, Tsutomu Nagahama, Shigehisa Ohkawara, Tatsuya Harimara, Katsuhiro Doi, Kazuhiko Noda, Akihiro Shibata, Kazuo Goto, Yasuyuki Kudo
  • Publication number: 20220348464
    Abstract: A plurality of CNTs are drawn out of VACNTs so as to be continuous in lines and are bundled into a thread shape, and a temporary thread bundled into a thread shape is temporarily wound on the first winder. The first winder is then rotated about an axis along a feeding direction of the temporary thread to twist the temporary thread while the temporary thread is fed from the first winder.
    Type: Application
    Filed: September 4, 2020
    Publication date: November 3, 2022
    Inventors: Norifumi FUJIMOTO, Hiroyuki OHUE, Eiji OHTA, Tomohiro YAMAKAWA
  • Publication number: 20220283098
    Abstract: An inspection device includes: an irradiator that radiates, before content is placed into the pocket, ultraviolet light toward one face of the container film; imaging devices that take images of the container film from another face side of the container film; and a processor that determines, based on the images, whether the pocket includes a pinhole, at least two of the imaging devices being each disposed on respective sides of the container film in a width direction such that the pocket is placed between the two imaging devices, and while the container film is being conveyed along a conveyance path, the two imaging devices take images of the pocket at a timing when the pocket is located at an upstream-side position, a middle-side position, and a downstream-side position of the conveyance path.
    Type: Application
    Filed: May 26, 2022
    Publication date: September 8, 2022
    Applicant: CKD CORPORATION
    Inventors: Takamasa Ohtani, Eiji Ohta, Yukihiro Taguchi
  • Publication number: 20220253299
    Abstract: A non-transitory computer-readable recording medium stores a program for causing a computer to execute a process, the process includes extracting an optimization method and an optimization non-applicable condition indicating a reason why the optimization method is not applicable, from an optimization report created at a time of compiling software, determining an index value of optimization application easiness for each of a plurality of processing blocks included in the software, based on the optimization method and the optimization non-applicable condition, and determining an optimization target processing block to be optimized among the plurality of processing blocks included in the software, based on the index value.
    Type: Application
    Filed: November 10, 2021
    Publication date: August 11, 2022
    Applicant: FUJITSU LIMITED
    Inventor: Eiji OHTA
  • Publication number: 20210397973
    Abstract: A non-transitory computer-readable storage medium storing a program that causes a computer to execute a process, the process includes learning a variational autoencoder (VAE) by using a plurality of pieces of training data including an objective function; identifying, by inputting the plurality of pieces of training data to the learned VAE, a distribution of the plurality of pieces of training data over a latent space of the learned VAE; determining a search range of an optimum solution of the objective function based on the distribution of the plurality of pieces of training data; and acquiring an optimum solution of a desired objective function by using the pieces of training data included in the search range.
    Type: Application
    Filed: March 19, 2021
    Publication date: December 23, 2021
    Applicant: FUJITSU LIMITED
    Inventor: Eiji OHTA
  • Patent number: 11124657
    Abstract: A transparent laminate including a transparent substrate and structure layer, wherein the structure layer contains protrusion portions, depression portions, or both on a surface thereof, and an average distance between the adjacent protrusion portions or between the adjacent depression portions is equal to or less than a visible light wavelength, the structure layer includes a polymerized product of an active energy ray curable resin composition, the resin composition includes a composition of a (meth)acryloyl group-containing polymerizable compound, the compound composition includes one or more from each of (A), (B), and (C): (A) a monofunctional (meth)acryloyl group-containing polymerizable compound; (B) alkylene glycol di(meth)acrylate; and (C) trifunctional or higher (meth)acrylate, the (A) satisfies certain conditions specifying a type and amount of a compound, and a ratio (E?150/E?50) of storage elastic modulus E?150 of the structure layer at 150° C. to storage elastic modulus E?50 thereof at 50° C.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: September 21, 2021
    Assignee: Dexerials Corporation
    Inventors: Eiji Ohta, Masayasu Kakinuma, Masaki Takenouchi, Satoshi Kawamura, Kiyoaki Tanifuji, Emi Yoshida, Kimitaka Nishimura, Shunichi Kajiya, Shigehisa Ohkawara, Maki Ogawa
  • Publication number: 20210097402
    Abstract: A non-transitory computer-readable storage medium storing a program that causes a computer to execute a process, the process includes obtaining a machine learning model having learned characteristic amounts of a plurality of training data including an objective function; calculating similarities between the characteristic amounts of the plurality of training data by inputting the plurality of training data to the obtained machine learning model; specifying a data group having a high similarity with a desired objective function from the characteristic amounts of the plurality of training data based on distances of the calculated similarities; and acquiring an optimum solution for the desired objective function by using the specified data group.
    Type: Application
    Filed: September 22, 2020
    Publication date: April 1, 2021
    Applicant: FUJITSU LIMITED
    Inventors: Eiji Ohta, Hisanao Akima
  • Publication number: 20200241186
    Abstract: An optical body including: a first optical layer which has a surface having a convex profile in which a plurality of one-directionally extending elongated convex portions are one-dimensionally aligned in one direction; an inorganic layer disposed on the surface of the first optical layer on a side having the convex profile and a second optical layer disposed on a side of the inorganic layer so that the convex profile is embedded; wherein the convex profile meets at least one of the following (1) to (4): (1) a height varies in an extending direction in each of the elongated convex portions, (2) a ridge portion meanders in a direction perpendicular to both the extending direction and a height direction of the convex portion in each of the elongated convex portions, (3) heights of the elongated convex portions adjacent to each other are different from each other, and (4) a triangular prism-shaped convex portion and an elongated convex portion having a curved surface are adjacent to each other.
    Type: Application
    Filed: October 2, 2018
    Publication date: July 30, 2020
    Inventors: Eiji OHTA, Tsutomu NAGAHAMA, Shigehisa OHKAWARA, Tatsuya HARIMARA, Katsuhiro DOI, Kazuhiko NODA, Akihiro SHIBATA, Kazuo GOTO, Yasuyuki KUDO
  • Patent number: 10653560
    Abstract: A transparent laminate including: transparent substrate; and structure layer which contains protrusion portions, depression portions, or both on a surface thereof, average distance between the protrusion portions adjacent or the depression portions adjacent being equal to or less than wavelength of visible light; the structure layer including polymerized product of active-energy-ray-curable resin composition including composition of (meth)acrylate-based-polymerizable compound; the composition including at least any of the following (A) and (B), and the following (C) and (D): (A) ester (meth)acrylate of trihydric alcohol having main and side chain each including alkyl chain; (B) ester di(meth)acrylate of ethylene-oxide-modified bisphenol A; (C) polyalkylene glycol di(meth)acrylate; and (D) ester di(meth)acrylate of dihydric alcohol having main chain including linear alkyl chain; water contact angle on the surface of the structure layer being 26° or more and 74° or less; and storage elastic modulus at 180° C.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: May 19, 2020
    Assignee: DEXERIALS CORPORATION
    Inventors: Masayasu Kakinuma, Masaki Takenouchi, Eiji Ohta, Satoshi Kawamura, Maki Ogawa
  • Patent number: 10575572
    Abstract: There is provided a transparent film for a face protection shield in which transparency is enhanced and visibility from a non-wearer is also enhanced, the transparent film for a face protection shield including: a transparent base material having flexibility; and a transparent resin layer configured to be laminated on at least one of surfaces of the transparent base material, the transparent resin layer having on a surface a plurality of structural bodies including concavities or convexities provided at a pitch of less than or equal to a visible light wavelength. A refractive index of the transparent base material is different from a refractive index of the transparent resin layer, and an interface between the transparent base material and the transparent resin layer has a concave-convex shape.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: March 3, 2020
    Assignee: DEXERIALS CORPORATION
    Inventors: Masayasu Kakinuma, Kimitaka Nishimura, Satoshi Kawamura, Hideki Terashima, Eiji Ohta, Shunichi Kajiya, Jun Sasaki, Kiyoaki Tanifuji