Patents by Inventor Toru Takagi

Toru Takagi 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: 10937823
    Abstract: An image-capturing element manufacturing method includes: preparing a first substrate having a plurality of pixels that are two-dimensionally continuously arrayed; preparing a second substrate having a plurality of circuit blocks that respectively have connection terminals to a power supply and a reference potential and that are electrically independent from each other, each of the plurality of circuit blocks having at least some of circuits to read out signals from the plurality of pixels; laminating the first substrate and the second substrate to electrically couple the plurality of circuit blocks and the plurality of pixels overlapping therewith; and cutting circuit blocks around at least one of the plurality of circuit blocks and pixels overlapping therewith to form a laminate in which the plurality of pixels are laminated onto the at least one of the plurality of circuit blocks.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: March 2, 2021
    Assignee: NIKON CORPORATION
    Inventors: Tadashi Narui, Toru Takagi
  • Publication number: 20210031384
    Abstract: An abnormality detecting device determines an abnormality in an apparatus by comparing data on vibration detected in the apparatus with a predetermined threshold. Moreover, the abnormality detecting device changes the threshold depending on a length of work time required for the apparatus to perform a certain work.
    Type: Application
    Filed: February 28, 2018
    Publication date: February 4, 2021
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Satoru Hirose, Toru Takagi
  • Patent number: 10899023
    Abstract: A failure diagnosis device applicable to a mechanical device provided with motors independent of One another as sources to drive motion axes, respectively, and configured to acquire a moving position of each motion axis and a disturbance torque value applied to the motion axis every predetermined period, and to diagnose a failure of the mechanical device, includes a failure diagnosis unit configured to diagnose the motion axis as a failure when the disturbance torque value is larger than a predetermined failure determination threshold, and a re-determination unit configured to conduct re-determination of the failure on the motion axis, which is diagnosed as the failure by the failure diagnosis unit, based on a previous maintenance record and a previous inspection result.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: January 26, 2021
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Masaki Kuno, Toshimichi Urakawa, Toru Takagi
  • Publication number: 20210008736
    Abstract: A malfunction detection device compares detected data on a condition at a predetermined part of an apparatus with a threshold so as to determine a malfunction of the apparatus. The malfunction detection device varies the threshold in accordance with a type of a lubricant used for movable parts of the apparatus.
    Type: Application
    Filed: March 29, 2018
    Publication date: January 14, 2021
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Satoru Hirose, Toru Takagi
  • Publication number: 20200406483
    Abstract: A driving force sensor detects a driving force in a rotating mechanism provided in an apparatus. A vibration sensor detects vibrations of the apparatus. A control unit determines a type of a malfunction of the apparatus in accordance with a combination of the detected driving force and the detected vibrations.
    Type: Application
    Filed: February 28, 2018
    Publication date: December 31, 2020
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Satoru Hirose, Toru Takagi, Kouichi Oomori
  • Publication number: 20200398447
    Abstract: A control unit causes a sensor to start sampling at a plurality of start timings different from each other. The control unit combines sampling signals obtained by the start of the sampling at the different start timings, and detects a malfunction of an apparatus in accordance with the combined sampling signal.
    Type: Application
    Filed: February 28, 2018
    Publication date: December 24, 2020
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Satoru Hirose, Toru Takagi
  • Publication number: 20200395397
    Abstract: An image sensor includes: a photoelectric conversion unit that photoelectrically converts incident light transmitted through a microlens to generate electric charge; an accumulation unit that accumulates the electric charge generated by the photoelectric conversion unit; and a transfer unit that transfers the electric charge generated by the photoelectric conversion unit to the accumulation unit, wherein: the photoelectric conversion unit, the transfer unit, and the accumulation unit are provided along a direction of an optical axis of the microlens.
    Type: Application
    Filed: May 4, 2020
    Publication date: December 17, 2020
    Applicant: NIKON CORPORATION
    Inventors: Toru TAKAGI, Satoshi NAKAYAMA, Ryoji ANDO, Takashi SEO, Yohei MATSUOKA, Yoshiyuki WATANABE
  • Publication number: 20200331145
    Abstract: A malfunction determination method for a production machine including a motor as a driving source of a rotating mechanism acquires sensor data of a sensor for detecting a condition of the production machine, determines whether the production machine has an operation stop period during which the production machine has stopped its operation for a predetermined period of time or longer in accordance with an operation history of the production machine, sets a malfunction determination suspension period for suspending a malfunction determination of the production machine when determined to have the operation stop period, in accordance with a length of the operation stop period, and determines whether the production machine has a malfunction in a period other than the malfunction determination suspension period.
    Type: Application
    Filed: December 26, 2017
    Publication date: October 22, 2020
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Yasuhiro Tanaka, Toshimichi Urakawa, Toru Takagi, Minoru Tomikashi
  • Publication number: 20200267306
    Abstract: An image sensor includes: a photoelectric conversion unit that photoelectrically converts incident light and generates electric charge; a reflecting portion that reflects a portion of light passing through the photoelectric conversion unit toward the photoelectric conversion unit; a first output unit that outputs electric charge generated due to photoelectric conversion by the photoelectric conversion unit of light reflected by the reflecting portion; and a second output unit that outputs electric charge generated due to photoelectric conversion by the photoelectric conversion unit of light other than the light reflected by the reflecting portion.
    Type: Application
    Filed: March 28, 2018
    Publication date: August 20, 2020
    Applicant: Nikon Corporation
    Inventors: Satoshi NAKAYAMA, Toru TAKAGI, Takashi SEO, Ryoji ANDO, Shutaro KATO
  • Publication number: 20200258934
    Abstract: A first circuit layer including a first semiconductor substrate with photoelectric conversion unit that photoelectrically converts incident light and generates charge, and a first wiring layer with wiring that reads out signal based upon charge generated by the photoelectric conversion unit; second circuit layer including a second wiring layer with wiring connected to the wiring of the first wiring layer, and a second semiconductor substrate with a through electrode connected to the wiring of the second wiring layer; third circuit layer including a third semiconductor substrate with a through electrode connected to the through electrode of the second circuit layer, and third wiring layer with wiring connected to the through electrode of the third semiconductor substrate; and a fourth circuit layer including a fourth wiring layer with wiring connected to the wiring of the third wiring layer, and fourth semiconductor substrate connected to the wiring of the fourth wiring layer.
    Type: Application
    Filed: April 29, 2020
    Publication date: August 13, 2020
    Applicant: NIKON CORPORATION
    Inventors: Shigeru MATSUMOTO, Toru TAKAGI
  • Patent number: 10720465
    Abstract: A first circuit layer including a first semiconductor substrate with photoelectric conversion unit that photoelectrically converts incident light and generates charge, and a first wiring layer with wiring that reads out signal based upon charge generated by the photoelectric conversion unit; second circuit layer including a second wiring layer with wiring connected to the wiring of the first wiring layer, and a second semiconductor substrate with a through electrode connected to the wiring of the second wiring layer; third circuit layer including a third semiconductor substrate with a through electrode connected to the through electrode of the second circuit layer, and third wiring layer with wiring connected to the through electrode of the third semiconductor substrate; and a fourth circuit layer including a fourth wiring layer with wiring connected to the wiring of the third wiring layer, and fourth semiconductor substrate connected to the wiring of the fourth wiring layer.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: July 21, 2020
    Assignee: NIKON CORPORATION
    Inventors: Shigeru Matsumoto, Toru Takagi
  • Publication number: 20200219923
    Abstract: An image-capturing element manufacturing method includes: preparing a first substrate having a plurality of pixels that are two-dimensionally continuously arrayed; preparing a second substrate having a plurality of circuit blocks that respectively have connection terminals to a power supply and a reference potential and that are electrically independent from each other, each of the plurality of circuit blocks having at least some of circuits to read out signals from the plurality of pixels; laminating the first substrate and the second substrate to electrically couple the plurality of circuit blocks and the plurality of pixels overlapping therewith; and cutting circuit blocks around at least one of the plurality of circuit blocks and pixels overlapping therewith to form a laminate in which the plurality of pixels are laminated onto the at least one of the plurality of circuit blocks.
    Type: Application
    Filed: March 19, 2020
    Publication date: July 9, 2020
    Applicant: NIKON CORPORATION
    Inventors: Tadashi NARUI, Toru TAKAGI
  • Patent number: 10686004
    Abstract: An image sensor having a plurality of pixels along a first direction includes: a first pixel having a first photoelectric conversion unit that generates an electric charge through photoelectric conversion and a reflecting portion disposed at least in a part of an area located in the first direction relative to a center of the first photoelectric conversion unit, which reflects part of light having been transmitted through the first photoelectric conversion unit toward the first photoelectric conversion unit; and a second pixel having a second photoelectric conversion unit that generates an electric charge through photoelectric conversion and a second reflecting portion disposed at least in a part of an area located in a direction opposite from the first direction relative to a center of the second photoelectric conversion unit, which reflects part of light having been transmitted through the second photoelectric conversion unit toward the second photoelectric conversion unit.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: June 16, 2020
    Assignee: NIKON CORPORATION
    Inventors: Shutaro Kato, Toru Takagi, Takashi Seo, Ryoji Ando
  • Patent number: 10686001
    Abstract: An image sensor includes: a photoelectric conversion unit that photoelectrically converts incident light transmitted through a microlens to generate electric charge; an accumulation unit that accumulates the electric charge generated by the photoelectric conversion unit; and a transfer unit that transfers the electric charge generated by the photoelectric conversion unit to the accumulation unit, wherein: the photoelectric conversion unit, the transfer unit, and the accumulation unit are provided along a direction of an optical axis of the microlens.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: June 16, 2020
    Assignee: NIKON CORPORATION
    Inventors: Toru Takagi, Satoshi Nakayama, Ryoji Ando, Takashi Seo, Yohei Matsuoka, Yoshiyuki Watanabe
  • Patent number: 10680031
    Abstract: A first circuit layer including a first semiconductor substrate with photoelectric conversion unit that photoelectrically converts incident light and generates charge, and a first wiring layer with wiring that reads out signal based upon charge generated by the photoelectric conversion unit; second circuit layer including a second wiring layer with wiring connected to the wiring of the first wiring layer, and a second semiconductor substrate with a through electrode connected to the wiring of the second wiring layer; third circuit layer including a third semiconductor substrate with a through electrode connected to the through electrode of the second circuit layer, and third wiring layer with wiring connected to the through electrode of the third semiconductor substrate; and a fourth circuit layer including a fourth wiring layer with wiring connected to the wiring of the third wiring layer, and fourth semiconductor substrate connected to the wiring of the fourth wiring layer.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: June 9, 2020
    Assignee: NIKON CORPORATION
    Inventors: Shigeru Matsumoto, Toru Takagi
  • Publication number: 20200173911
    Abstract: A polarization property image measurement device includes: a first radiation unit that radiates light beams in different polarization conditions onto a target object after subjecting the light beams to intensity modulation at frequencies different from one another; a light receiving unit including first photoelectric conversion units that photoelectrically convert the light beams having been radiated from the first radiation unit and scattered at the target object in correspondence to each of the different polarization conditions, and second photoelectric conversion units that photoelectrically convert visible light from the target object; and a processor that detects signals individually output from the first photoelectric conversion units at the different frequencies and differentiates each signal from other signals so as to determine an origin of the signal as one of the light beams; and creates an image of the target object based upon signals individually output from the second photoelectric conversion un
    Type: Application
    Filed: February 4, 2020
    Publication date: June 4, 2020
    Applicant: NIKON CORPORATION
    Inventors: Takanori KOJIMA, Satoru ODATE, Toru TAKAGI
  • Publication number: 20200137343
    Abstract: An image sensor includes a first semiconductor layer provided with a pixel, including a photoelectric conversion unit that photoelectrically converts incident light to generate an electric charge, an accumulation unit that accumulates the electric charge generated by the photoelectric conversion unit, and a transfer unit that transfers the electric charge generated by the photoelectric conversion unit to the accumulation unit, a second semiconductor layer provided with a supply unit that supplies the transfer unit with a transfer signal for transferring the electric charge from the photoelectric conversion unit to the accumulation unit, and a third semiconductor layer into which a signal is inputted, the signal being based on the electric charge that has been transferred to the accumulation unit.
    Type: Application
    Filed: December 26, 2019
    Publication date: April 30, 2020
    Applicant: NIKON CORPORATION
    Inventors: Atsushi Kamashita, Atsushi Komai, Toru Takagi, Tomohisa Ishida
  • Patent number: 10636830
    Abstract: An image-capturing element manufacturing method includes: preparing a first substrate having a plurality of pixels that are two-dimensionally continuously arrayed; preparing a second substrate having a plurality of circuit blocks that respectively have connection terminals to a power supply and a reference potential and that are electrically independent from each other, each of the plurality of circuit blocks having at least some of circuits to read out signals from the plurality of pixels; laminating the first substrate and the second substrate to electrically couple the plurality of circuit blocks and the plurality of pixels overlapping therewith; and cutting circuit blocks around at least one of the plurality of circuit blocks and pixels overlapping therewith to form a laminate in which the plurality of pixels are laminated onto the at least one of the plurality of circuit blocks.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: April 28, 2020
    Assignee: NIKON CORPORATION
    Inventors: Tadashi Narui, Toru Takagi
  • Patent number: 10620116
    Abstract: A polarization property image measurement device includes: a first radiation unit that radiates light beams in different polarization conditions onto a target object after subjecting the light beams to intensity modulation at frequencies different from one another; a light receiving unit including first photoelectric conversion units that photoelectrically convert the light beams having been radiated from the first radiation unit and scattered at the target object in correspondence to each of the different polarization conditions, and second photoelectric conversion units that photoelectrically convert visible light from the target object; and a processor that detects signals individually output from the first photoelectric conversion units at the different frequencies and differentiates each signal from other signals so as to determine an origin of the signal as one of the light beams; and creates an image of the target object based upon signals individually output from the second photoelectric conversion un
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: April 14, 2020
    Assignee: NIKON CORPORATION
    Inventors: Takanori Kojima, Satoru Odate, Toru Takagi
  • Publication number: 20200075658
    Abstract: An image sensor includes: a micro lens; a photoelectric conversion unit that photoelectrically converts light passing through the micro lens and generates electric charge; and a reflecting portion that reflects a portion of light passing through the photoelectric conversion unit in a direction parallel to an optical axis of the micro lens and passing through the photoelectric conversion unit, and in a direction toward the photoelectric conversion unit.
    Type: Application
    Filed: March 28, 2018
    Publication date: March 5, 2020
    Applicant: NIKON CORPORATION
    Inventors: Shutaro KATO, Toru TAKAGI, Takashi SEO, Ryoji ANDO