Patents by Inventor Tomoyuki Kawai

Tomoyuki Kawai 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: 11231298
    Abstract: A sensor includes a generator configured to generate a predetermined detection target, a detector configured to detect the detection target generated by the generator, and a substrate provided with the generator and the detector. The substrate includes a first portion provided with the generator, a second portion provided with the detector, a bent portion that is bent between the first portion and the second portion such that the generator and the detector face each other, and a ground pattern provided in a portion including the first portion, the second portion, and the bent portion. In the ground pattern, a ground pattern of the bent portion is narrower than a ground pattern of the first portion and a ground pattern of the second portion.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: January 25, 2022
    Assignee: NSK LTD.
    Inventors: Tomoyuki Yanagisawa, Minoru Kubokawa, Toshiaki Oguchi, Hideki Furukawa, Yasuhiro Kawai
  • Patent number: 11201354
    Abstract: An electrolytic solution contains: an electrolyte including a lithium salt represented by general formula (1) below; an organic solvent including a linear carbonate represented by general formula (2) below; and an unsaturated cyclic carbonate, wherein the linear carbonate is contained at a mole ratio of 3 to 6 relative to the lithium salt, and/or the lithium salt is contained at a concentration of 1.1 to 3.8 mol/L.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: December 14, 2021
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Hiroyuki Sasaki, Tomoyuki Kawai, Yoshihiro Nakagaki, Ryota Okamoto, Kensuke Yotsumoto, Atsushi Minagata, Yuki Sugimoto, Yuuhi Sato
  • Publication number: 20210377479
    Abstract: An imaging element includes a reading circuit that reads out pixel data obtained by imaging a subject at a first frame rate, a memory that stores the read pixel data, and an output circuit that outputs image data based on the stored pixel data at a second frame rate. The first frame rate is a frame rate higher than the second frame rate. The pixel data includes phase difference pixel data and non-phase difference pixel data different from the phase difference pixel data. The reading circuit reads out the pixel data of each of a plurality of frames in parallel within an output period defined by the second frame rate as a period in which the image data of one frame is output, and performs reading of the non-phase difference pixel data and a plurality of reading of the phase difference pixel data within the output period.
    Type: Application
    Filed: August 12, 2021
    Publication date: December 2, 2021
    Inventors: Hitoshi SAKURABU, Makoto KOBAYASHI, Ryo HASEGAWA, Tomoyuki KAWAI
  • Publication number: 20210377430
    Abstract: An imaging apparatus includes a plurality of imaging elements, at least one signal processing circuit, and a transfer path, in which each of the plurality of imaging elements includes a memory that is incorporated in the imaging element and stores image data obtained by imaging a subject, and a communication interface that is incorporated in the imaging element and outputs output image data based on the image data stored in the memory, the transfer path connects the plurality of imaging elements and a single signal processing circuit in series, and the communication interface of each of the plurality of imaging elements outputs the output image data to an imaging element in a rear stage or the signal processing circuit through the transfer path.
    Type: Application
    Filed: August 12, 2021
    Publication date: December 2, 2021
    Inventors: Ryo HASEGAWA, Tomoyuki KAWAI, Makoto KOBAYASHI, Hitoshi SAKURABU, Kazufumi SUGAWARA
  • Publication number: 20210368072
    Abstract: Provided is an imaging element including a reception interface that receives an imaging synchronization signal related to a timing of imaging and at least one output synchronization signal related to a timing of output of image data obtained by imaging from an outside of the imaging element, a memory that is incorporated in the imaging element and stores the image data obtained by imaging at a first frame rate in accordance with the imaging synchronization signal received by the reception interface, and an output circuit that is incorporated in the imaging element and outputs the image data stored in the memory at a second frame rate in accordance with the output synchronization signal received by the reception interface, in which the first frame rate is greater than or equal to the second frame rate.
    Type: Application
    Filed: August 10, 2021
    Publication date: November 25, 2021
    Inventors: Tomoyuki KAWAI, Hitoshi SAKURABU, Ryo HASEGAWA, Makoto KOBAYASHI, Kazufumi SUGAWARA
  • Publication number: 20210368126
    Abstract: An imaging element comprises a first communication interface that is incorporated in the imaging element and outputs first image data based on image data obtained by imaging a subject to an external processor, a memory that is incorporated in the imaging element and stores the image data, and a second communication interface that is incorporated in the imaging element and outputs second image data based on the image data stored in the memory to the external processor, in which an output method of the first communication interface and an output method of the second communication interface are different.
    Type: Application
    Filed: August 10, 2021
    Publication date: November 25, 2021
    Inventors: Makoto KOBAYASHI, Tomoyuki KAWAI, Hitoshi SAKURABU, Ryo HASEGAWA, Kazufumi SUGAWARA
  • Patent number: 11184523
    Abstract: In an imaging element in which a plurality of phase difference detection pixels and a plurality of normal pixels for imaging are two-dimensionally arranged in a horizontal direction and a vertical direction, the phase difference detection pixel includes a first phase difference pixel ZA and a second phase difference pixel ZB including opening portions for pupil separation at different positions in the horizontal direction. The first phase difference pixel ZA and the second phase difference pixel ZB are adjacently arranged to have the opening portions facing each other. RGB color filters are arranged in the plurality of normal pixels in the Bayer arrangement. The imaging element includes a normal pixel row in which only the normal pixel is arranged in the horizontal direction and a phase difference pixel row in which the first phase difference pixel ZA, the second phase difference pixel ZB, and one normal pixel are periodically arranged in the horizontal direction.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: November 23, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Makoto Kobayashi, Tomoyuki Kawai, Seiji Tanaka, Koichi Tanaka
  • Patent number: 11184535
    Abstract: An imaging element includes a memory that stores captured image data obtained by imaging a subject at a first frame rate and is incorporated in the imaging element, a imaging processing circuit that performs processing on the captured image data, and an output circuit that outputs at least one of the captured image data or processed image data to an outside of the imaging element, and is incorporated in the imaging element, in which the imaging processing circuit generates, in accordance with a degree of difference between first captured image data obtained by imaging and second captured image data stored in the memory, compressed image data obtained by compressing the first captured image data by dividing the first captured image data into a plurality of bit ranges, and the output circuit outputs the compressed image data to the outside as the processed image data at a second frame rate.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: November 23, 2021
    Assignee: FUJIFILM CORPORATION
    Inventors: Tomoyuki Kawai, Ryo Hasegawa, Hitoshi Sakurabu
  • Publication number: 20210344853
    Abstract: An imaging element includes a reading circuit, a memory that is capable of storing read captured image data, and an output circuit that outputs output image data based on the captured image data to an outside, in which the reading circuit reads out the captured image data using a first reading method or a second reading method having a smaller read data amount than the first reading method, in a case of the first reading method, a first frame rate corresponds to a second frame rate, in a case of the second reading method, the first frame rate is a frame rate lower than in the case of the first reading method, and the first and second reading methods are switched in accordance with a motion of a subject.
    Type: Application
    Filed: July 13, 2021
    Publication date: November 4, 2021
    Inventors: Ryo HASEGAWA, Tomoyuki KAWAI, Hitoshi SAKURABU
  • Publication number: 20210314487
    Abstract: An imaging element incorporates a reading portion that reads out captured image data at a first frame rate, a storage portion that stores the image data, a processing portion that processes the image data, and an output portion that outputs the processed image data at a second frame rate lower than the first frame rate. The reading portion reads out the image data of each of a plurality of frames in parallel. The storage portion stores, in parallel, each image data read out in parallel by the reading portion. The processing portion performs generation processing of generating output image data of one frame using the image data of each of the plurality of frames stored in the storage portion.
    Type: Application
    Filed: June 16, 2021
    Publication date: October 7, 2021
    Inventors: Tomoyuki KAWAI, Ryo HASEGAWA, Hitoshi SAKURABU, Makoto KOBAYASHI
  • Publication number: 20210314486
    Abstract: An imaging element incorporates a memory and a processor. The memory stores image data obtained by imaging a subject at a first frame rate. The processor is configured to derive a degree of difference between first image data obtained as the image data by performing imaging and second image data that is obtained as the image data earlier than the first image data and stored in the storage portion, and perform processing of deciding at least one of the first image data or the second image data as the output image data in a case where the derived degree of difference is greater than or equal to a threshold value. The processor is configured to output the decided output image data at a second frame rate.
    Type: Application
    Filed: June 16, 2021
    Publication date: October 7, 2021
    Inventors: Ryo HASEGAWA, Tomoyuki KAWAI, Hitoshi SAKURABU, Makoto KOBAYASHI
  • Publication number: 20210314495
    Abstract: An imaging element includes a storage portion that stores image data obtained by imaging a subject at a first frame rate and is incorporated in the imaging element, a processing portion that is incorporated in the imaging element and configured to perform processing using the image data, and an output portion that outputs output image data based on the image data at a second frame rate depending on a processing result of the processing portion and is incorporated in the imaging element, in which the first frame rate is greater than or equal to the second frame rate, and the processing portion performs processing of deriving an evaluation value indicating a degree of focusing for the image data stored in the storage portion and changing the second frame rate based on the derived evaluation value.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Inventors: Ryo HASEGAWA, Tomoyuki KAWAI, Hitoshi SAKURABU, Makoto KOBAYASHI
  • Publication number: 20210314483
    Abstract: Provided is an imaging element in which a first frame rate is a frame rate higher than a second frame rate, and a first processor is configured to read out image data of a plurality of frames in parallel within an output period of image data of one frame defined by the second frame rate, acquire a focus driving speed and a rolling shift amount, decide a combining condition for the image data of the plurality of frames stored in a memory based on the acquired focus driving speed and the rolling shift amount, perform combining processing on the image data of the plurality of frames in accordance with the decided combining condition, and output the image data after combining obtained by the combining processing.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Inventors: Hitoshi SAKURABU, Ryo HASEGAWA, Tomoyuki KAWAI, Makoto KOBAYASHI
  • Publication number: 20210314535
    Abstract: An imaging apparatus includes a storage portion that stores captured image data obtained by imaging a subject by an imaging element and is incorporated in the imaging element, an output portion that is incorporated in the imaging element, and a plurality of signal processing portions that are disposed outside the imaging element, in which the output portion includes a plurality of output lines each disposed in correspondence with each of the plurality of signal processing portions and outputs each of a plurality of pieces of image data into which the captured image data stored in the storage portion is divided, to a corresponding signal processing portion among the plurality of signal processing portions from the plurality of output lines, and any of the plurality of signal processing portions combines the plurality of pieces of image data.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Inventors: Makoto KOBAYASHI, Tomoyuki KAWAI, Ryo HASEGAWA, Hitoshi SAKURABU
  • Patent number: 11122223
    Abstract: An imaging element includes a reading circuit, a memory that is capable of storing read captured image data, and an output circuit that outputs output image data based on the captured image data to an outside, in which the reading circuit reads out the captured image data using a first reading method or a second reading method having a smaller read data amount than the first reading method, in a case of the first reading method, a first frame rate corresponds to a second frame rate, in a case of the second reading method, the first frame rate is a frame rate lower than in the case of the first reading method, and the first and second reading methods are switched in accordance with a motion of a subject.
    Type: Grant
    Filed: February 15, 2021
    Date of Patent: September 14, 2021
    Assignee: FUJIFILM CORPORATION
    Inventors: Ryo Hasegawa, Tomoyuki Kawai, Hitoshi Sakurabu
  • Patent number: 11064099
    Abstract: An imager includes: an imaging element chip; a fixing member to which the imaging element chip is adhered, and which is electrically connected to the imaging element chip; a circuit board that is fixed to the fixing member via a plurality of conductive members; and a stress relaxing member that is fixed to a second surface of the circuit board opposite to a first surface of the circuit board, the first surface being a surface of the circuit board to a side of which the fixing member is fixed, a linear expansion coefficient of the fixing member, a linear expansion coefficient of the circuit board, and a linear expansion coefficient of the stress relaxing member are as defined herein, and the stress relaxing member overlaps an entire adhesion portion between the imaging element chip and the fixing member as defined herein.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: July 13, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Daisuke Kusuda, Tomoyuki Kawai
  • Publication number: 20210203831
    Abstract: An imaging element incorporates a processing circuit and a memory. The memory stores captured image data obtained by imaging a subject at a first frame rate. The processing circuit performs processing based on the captured image data stored in the memory. An output circuit outputs output image data based on the captured image data to an outside of the imaging element at a second frame rate. The first frame rate is a frame rate higher than the second frame rate and is determined in accordance with an occurrence cycle of a flicker, and the processing circuit detects a flicker effect avoidance timing at which an effect of the flicker on imaging by the imaging element is avoided, based on the captured image data of a plurality of frames.
    Type: Application
    Filed: March 18, 2021
    Publication date: July 1, 2021
    Inventors: Hitoshi SAKURABU, Ryo HASEGAWA, Tomoyuki KAWAI
  • Publication number: 20210203874
    Abstract: An imaging element includes: a processing circuit that performs analog/digital conversion on captured image data; a memory that is capable of storing the captured image data obtained as a result of performing the analog/digital conversion by the processing circuit; and an output circuit that outputs output image data based on the captured image data to an exterior of the imaging element, wherein the output circuit includes a first output line and a second output line, the first output line is connected to a first signal processing circuit disposed at the exterior, the second output line is connected to a second signal processing circuit disposed at the exterior, and at least one of an output frame rate or an output data amount of the output image data is different between the first output line and the second output line.
    Type: Application
    Filed: March 9, 2021
    Publication date: July 1, 2021
    Inventors: Ryo HASEGAWA, Tomoyuki KAWAI, Hitoshi SAKURABU
  • Publication number: 20210185272
    Abstract: An imaging element includes: a memory that stores captured image data obtained by imaging a subject at a first frame rate; an image processing circuit that performs processing on the captured image data; and an output circuit that outputs output image data obtained by performing the processing on the captured image data to an exterior of the imaging element at a second frame rate, wherein the image processing circuit performs cut-out processing with respect to one frame of the captured image data, the cut-out processing including cutting out partial image data indicating an image of a part of the subject in the captured image data from a designated address in the memory, the output image data includes image data based on the partial image data that is cut out from the captured image data, and the first frame rate is a frame rate higher than the second frame rate.
    Type: Application
    Filed: February 22, 2021
    Publication date: June 17, 2021
    Inventors: Hitoshi SAKURABU, Ryo HASEGAWA, Tomoyuki KAWAI
  • Publication number: 20210176406
    Abstract: An imaging element includes a memory that stores captured image data obtained by imaging a subject at a first frame rate and is incorporated in the imaging element, a imaging processing circuit that performs processing on the captured image data, and an output circuit that outputs at least one of the captured image data or processed image data to an outside of the imaging element, and is incorporated in the imaging element, in which the imaging processing circuit generates, in accordance with a degree of difference between first captured image data obtained by imaging and second captured image data stored in the memory, compressed image data obtained by compressing the first captured image data by dividing the first captured image data into a plurality of bit ranges, and the output circuit outputs the compressed image data to the outside as the processed image data at a second frame rate.
    Type: Application
    Filed: February 22, 2021
    Publication date: June 10, 2021
    Inventors: Tomoyuki KAWAI, Ryo HASEGAWA, Hitoshi SAKURABU