Patents by Inventor Takuji Yoshida

Takuji Yoshida 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: 20220266380
    Abstract: A laser processing system includes an irradiation device that irradiates a laser beam to a workpiece and includes a housing, a box positioned inside the housing and housing at least a part of a path of the laser beam, and at least one infrared sensor positioned inside the housing and around the box.
    Type: Application
    Filed: February 25, 2022
    Publication date: August 25, 2022
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Katsuya KAZAMA, Jun YAGAWA, Yoshihiro YOSHIDA, Takuji ISHIGE
  • Publication number: 20220153346
    Abstract: An abnormality detection device includes a processing circuit configured to perform an abnormality detecting process. The abnormality detecting process includes a first state quantity acquiring process, a second state quantity acquiring process, a difference calculating process of calculating a difference between a first state quantity and a second state quantity, and a determination process of comparing an absolute value of the difference with a difference threshold value. The abnormality detecting process is a process of detecting an abnormality of a turning unit when the absolute value of the difference is greater than the difference threshold value, and the processing circuit is configured not to perform the determination process when an absolute value of an actual current value is greater than a current threshold value.
    Type: Application
    Filed: November 15, 2021
    Publication date: May 19, 2022
    Applicant: JTEKT CORPORATION
    Inventors: Koji ANRAKU, Isao NAMIKAWA, Takuji YOSHIDA
  • Publication number: 20220081027
    Abstract: A steering system to steer wheels by a movement of a steering shaft, including: the steering shaft; an electric motor; a converter configured to convert a rotational motion of the motor into the movement of the steering shaft; a motor rotation angle obtainer configured to obtain a motor rotation angle from a zero point position; a movement-amount-related-amount obtainer configured to obtain a movement-amount-related amount that is a movement amount of the steering shaft from a neutral position or a physical amount in a one-to-one correspondence with the movement amount; and a controller including a malfunction detector configured to detect a presence or absence of a malfunction of the converter in a mode that differs depending on a temperature state of the steering system, based on the motor rotation angle from the zero point position obtained by the motor rotation angle obtainer and the movement-amount-related amount obtained by the movement-amount-related-amount obtainer.
    Type: Application
    Filed: September 8, 2021
    Publication date: March 17, 2022
    Applicants: Toyota Jidosha Kabushiki Kaisha, Jtekt Corporation
    Inventors: Takuji Yoshida, Masahide Nitano, Isao Namikawa, Koji Anraku
  • Publication number: 20210269086
    Abstract: A steering control apparatus is configured to control a steering system having a structure in which a power transmission path between a steering mechanism and a steering operation mechanism including a motor configured to generate a motor torque is separated. The steering control apparatus includes a controller configured to control driving of the motor. The controller detects an abnormality of the steering operation mechanism when a value indicating a variation in the motor torque is a value indicating a state in which a steering operation shaft is presumed to be immovable though the motor torque is applied.
    Type: Application
    Filed: February 22, 2021
    Publication date: September 2, 2021
    Applicant: JTEKT CORPORATION
    Inventors: Koji ANRAKU, Isao NAMIKAWA, Takuji YOSHIDA, Masahide NITANO
  • Patent number: 11061231
    Abstract: To provide a display device in which the brightness of the image viewed by the observer is bright, and the brightness of the image is as uniform as possible. The display device according to the present invention includes a frame 10 and an image display device 100, the image display device 100 includes an image forming apparatus 11 and an optical device 120, the optical device 120 includes a light guide plate 121, a first deflection unit 130 configured with a first hologram diffraction grating 131 and a second hologram diffraction grating 135, and a second deflection unit 140 configured with a third hologram diffraction grating 141, and slant angles and pitches of the first hologram diffraction grating 131, the second hologram diffraction grating 135, and the third hologram diffraction grating 141 satisfy a predetermined relation.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: July 13, 2021
    Assignee: SONY CORPORATION
    Inventors: Takashi Oku, Katsuyuki Akutsu, Akio Machida, Nobuhiro Suzuki, Takuji Yoshida
  • Patent number: 11016306
    Abstract: A display device is provided with (A) a frame that is worn on a head of a viewer, and (B) an image display device 100 mounted to the frame. The image display device is provided with (B-1) an image forming device 111, and (B-2) an optical device 120 that forms a virtual image on the basis of light emitted from the image forming device 111. The light from the image forming device 111 enters a pupil 21 of the viewer 20 through the optical device 120. The optical device 120 is provided at least with a first glass plate 121, a second glass plate 122 that faces the first glass plate 121, and a shock absorbing layer 123 sandwiched between the first glass plate 121 and the second glass plate 122.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: May 25, 2021
    Assignee: SONY CORPORATION
    Inventors: Takuji Yoshida, Mieko Kuwahara
  • Publication number: 20210019921
    Abstract: A display processing unit 15 detects an edge component by using an image signal generated by an imaging unit 12 and processed by a camera processing unit 13, and performs highlighting processing on a pixel whose edge component has a value greater than or equal to a predetermined value, or pixels in a predetermined range including the pixel. A control unit 20 changeably sets the size and the position of a processing target area on which the highlighting processing is performed, on the basis of an operation signal supplied from an operation unit 18, and the like. For example, the control unit 20 may set the size and the position of the processing target area on the basis of a size setting operation and a position setting operation using an operation key of the operation unit 18, or may set the size and the position of the processing target area depending on a touch panel operation on the operation unit 18.
    Type: Application
    Filed: January 15, 2019
    Publication date: January 21, 2021
    Inventor: TAKUJI YOSHIDA
  • Patent number: 10741504
    Abstract: A semiconductor wafer provided with a pseudo chip between a product chip and a pattern prohibiting region is prepared. With the edge portion of the semiconductor wafer left, the bottom surface of the inner semiconductor substrate is ground, and then, the semiconductor wafer is cut in a ring shape to remove the edge portion. Here, in the pseudo chip, a protective film covering the conductive pattern is formed on the top surface of the semiconductor substrate and the end surface of the protective film facing the pattern prohibiting region is positioned on the conductive pattern. Further, in plan view, the inner peripheral end of the edge portion is positioned in the pattern prohibiting region, and the pattern prohibiting region between the inner peripheral end of the edge portion and the pseudo chip is cut in a ring shape.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: August 11, 2020
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Takuji Yoshida
  • Publication number: 20190146221
    Abstract: To provide a display device in which the brightness of the image viewed by the observer is bright, and the brightness of the image is as uniform as possible. The display device according to the present invention includes a frame 10 and an image display device 100, the image display device 100 includes an image forming apparatus 11 and an optical device 120, the optical device 120 includes a light guide plate 121, a first deflection unit 130 configured with a first hologram diffraction grating 131 and a second hologram diffraction grating 135, and a second deflection unit 140 configured with a third hologram diffraction grating 141, and slant angles and pitches of the first hologram diffraction grating 131, the second hologram diffraction grating 135, and the third hologram diffraction grating 141 satisfy a predetermined relation.
    Type: Application
    Filed: November 25, 2015
    Publication date: May 16, 2019
    Inventors: TAKASHI OKU, KATSUYUKI AKUTSU, AKIO MACHIDA, NOBUHIRO SUZUKI, TAKUJI YOSHIDA
  • Publication number: 20180239150
    Abstract: A display device is provided with (A) a frame that is worn on a head of a viewer, and (B) an image display device 100 mounted to the frame. The image display device is provided with (B-1) an image forming device 111, and (B-2) an optical device 120 that forms a virtual image on the basis of light emitted from the image forming device 111. The light from the image forming device 111 enters a pupil 21 of the viewer 20 through the optical device 120. The optical device 120 is provided at least with a first glass plate 121, a second glass plate 122 that faces the first glass plate 121, and a shock absorbing layer 123 sandwiched between the first glass plate 121 and the second glass plate 122.
    Type: Application
    Filed: August 2, 2016
    Publication date: August 23, 2018
    Inventors: TAKUJI YOSHIDA, MIEKO KUWAHARA
  • Publication number: 20180197825
    Abstract: A semiconductor wafer provided with a pseudo chip between a product chip and a pattern prohibiting region is prepared. With the edge portion of the semiconductor wafer left, the bottom surface of the inner semiconductor substrate is ground, and then, the semiconductor wafer is cut in a ring shape to remove the edge portion. Here, in the pseudo chip, a protective film covering the conductive pattern is formed on the top surface of the semiconductor substrate and the end surface of the protective film facing the pattern prohibiting region is positioned on the conductive pattern. Further, in plan view, the inner peripheral end of the edge portion is positioned in the pattern prohibiting region, and the pattern prohibiting region between the inner peripheral end of the edge portion and the pseudo chip is cut in a ring shape.
    Type: Application
    Filed: December 6, 2017
    Publication date: July 12, 2018
    Inventor: Takuji YOSHIDA
  • Patent number: 8982437
    Abstract: A hologram recording film manufacturing method includes the steps of obtaining a laminated structure by alternately laminating M (where M?2) photosensitive material precursor layers including a photosensitive material and at least one (M?1) resin layer on one another, obtaining M photosensitive material layers, where at least two interference fringes with a desired pitch and a desired slant angle are formed on each of the M photosensitive material layers, from the M photosensitive material precursor layers by irradiating the laminated structure with a reference laser light beam and an object laser light beam, and making the slant angles of the M photosensitive material layers different from each other while retaining the pitch value, which is defined on a face of the photosensitive material layer, by irradiating the laminated structure with an energy ray from the laminated structure's one face side, and heating the laminated structure.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: March 17, 2015
    Assignee: Sony Corporation
    Inventors: Mieko Kuwahara, Takuji Yoshida, Katsuyuki Akutsu
  • Publication number: 20140233079
    Abstract: A hologram recording film manufacturing method includes the steps of obtaining a laminated structure by alternately laminating M (where M?2) photosensitive material precursor layers including a photosensitive material and at least one (M?1) resin layer on one another, obtaining M photosensitive material layers, where at least two interference fringes with a desired pitch and a desired slant angle are formed on each of the M photosensitive material layers, from the M photosensitive material precursor layers by irradiating the laminated structure with a reference laser light beam and an object laser light beam, and making the slant angles of the M photosensitive material layers different from each other while retaining the pitch value, which is defined on a face of the photosensitive material layer, by irradiating the laminated structure with an energy ray from the laminated structure's one face side, and heating the laminated structure.
    Type: Application
    Filed: March 25, 2014
    Publication date: August 21, 2014
    Inventors: Mieko Kuwahara, Takuji Yoshida, Katsuyuki Akutsu
  • Patent number: 8736739
    Abstract: An imaging apparatus includes: a half-silvered mirror that divides incident light from a subject into light fluxes traveling along two optical paths; a first imaging device that receives one of the incident light fluxes divided by the half-silvered mirror; a second imaging device that receives the other one of the incident light fluxes divided by the half-silvered mirror; a first subject luminance information calculator that calculates first subject luminance information based on an output from the first imaging device; a second subject luminance information calculator that calculates second subject luminance information based on an output from the second imaging device; and a subject luminance information comparator that compares the first subject luminance information with the second subject luminance information.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: May 27, 2014
    Assignee: Sony Corporation
    Inventor: Takuji Yoshida
  • Publication number: 20140009683
    Abstract: There is provided an image processing apparatus including an environment light white balance gain generating section configured to generate an environment light white balance gain from an image taken under environment light, a combined white balance gain generating section configured to combine a fill light white balance gain corresponding to a color temperature of fill light with the environment light white balance gain to generate a combined white balance gain, and a white balance gain correcting section configured to correct the combined white balance gain in accordance with a ratio of the environment light to the fill light. The corrected combined white balance gain is applied to an image taken under mixed light including the fill light and the environment light.
    Type: Application
    Filed: May 15, 2013
    Publication date: January 9, 2014
    Applicant: Sony Corporation
    Inventor: Takuji Yoshida
  • Publication number: 20120194705
    Abstract: An imaging apparatus includes: a half-silvered mirror that divides incident light from a subject into light fluxes traveling along two optical paths; a first imaging device that receives one of the incident light fluxes divided by the half-silvered mirror; a second imaging device that receives the other one of the incident light fluxes divided by the half-silvered mirror; a first subject luminance information calculator that calculates first subject luminance information based on an output from the first imaging device; a second subject luminance information calculator that calculates second subject luminance information based on an output from the second imaging device; and a subject luminance information comparator that compares the first subject luminance information with the second subject luminance information.
    Type: Application
    Filed: December 13, 2011
    Publication date: August 2, 2012
    Applicant: Sony Corporation
    Inventor: Takuji YOSHIDA
  • Publication number: 20110122013
    Abstract: The present invention includes: a transmitter/receiver 20 that transmits an FMCW modulated sweep signal at least twice; an FFT unit 32 that performs Fast Fourier Transform on the at least two sweep signals received in response to the transmission from the transmitter/receiver; and an MRAV processor 35a that calculates ranges and velocities of multiple targets by calculating beat frequencies corresponding to at least two sweeps by the transmitter/receiver based on the at least two sweep signals obtained by the Fourier Transform performed by the FFT unit, calculating velocities based on a frequency difference and a time difference of the calculated beat frequencies, and calculating ranges based on the calculated velocities and beat frequencies.
    Type: Application
    Filed: March 19, 2010
    Publication date: May 26, 2011
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shinichi Takeya, Kazuaki Kawabata, Kazuki Oosuga, Takuji Yoshida, Tomohiro Yoshida, Masato Niwa, Hideto Goto
  • Publication number: 20110109495
    Abstract: The present invention includes: an antenna 10 including an element 11a for use in both transmission and reception that is divided into a first transmission/reception element and a second transmission/reception element, and an element 12a for reception only that is divided into a first only-reception element and a second only-reception element; a beam shaping unit 34 that divides an angle region to be observed into a plurality of regions, and forms transmission beams by using the respective elements of the antenna so that the divided angle regions are covered by the transmission beams, and in reception, sets aimed beam direction of each element of the antenna to be the same as that of the first transmission/reception element, and that of the second transmission/reception element, forms phase monopulse beam of ? and ? by using the first transmission/reception element and the first only-reception element, and the second transmission/reception element and the second only-reception element to cover each of the plu
    Type: Application
    Filed: March 19, 2010
    Publication date: May 12, 2011
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shinichi Takeya, Kazuaki Kawabata, Kazuki Oosuga, Takuji Yoshida, Tomohiro Yoshida, Masato Niwa, Hideto Goto
  • Publication number: 20110102242
    Abstract: The present invention includes a transmitter/receiver 20 that transmits/receives an FMCW based sweep signal, a velocity grouping unit 36 that performs grouping of a target for each velocity range by a velocity of the target calculated based on the sweep signal from the transmitter/receiver, and a correlation tracking unit 37 that performs correlation tracking for each velocity group which is grouped by the velocity grouping unit.
    Type: Application
    Filed: March 19, 2010
    Publication date: May 5, 2011
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Shinichi Takeya, Kazuaki Kawabata, Kazuki Oosuga, Takuji Yoshida, Tomohiro Yoshida, Masato Niwa, Hideto Goto
  • Publication number: 20100142015
    Abstract: A hologram recording film manufacturing method includes the steps of obtaining a laminated structure by alternately laminating M (where M?2) photosensitive material precursor layers including a photosensitive material and at least one (M?1) resin layer on one another, obtaining M photosensitive material layers, where at least two interference fringes with a desired pitch and a desired slant angle are formed on each of the M photosensitive material layers, from the M photosensitive material precursor layers by irradiating the laminated structure with a reference laser light beam and an object laser light beam, and making the slant angles of the M photosensitive material layers different from each other while retaining the pitch value, which is defined on a face of the photosensitive material layer, by irradiating the laminated structure with an energy ray from the laminated structure's one face side, and heating the laminated structure.
    Type: Application
    Filed: December 8, 2009
    Publication date: June 10, 2010
    Applicant: SONY CORPORATION
    Inventors: Mieko Kuwahara, Takuji Yoshida, Katsuyuki Akutsu