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).
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Patent number: 11758292Abstract: 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: GrantFiled: September 12, 2022Date of Patent: September 12, 2023Assignee: FUJIFILM CORPORATIONInventors: Tomoyuki Kawai, Ryo Hasegawa, Hitoshi Sakurabu, Makoto Kobayashi
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Publication number: 20230283916Abstract: An imaging apparatus includes a first imaging element and a second imaging element. The second imaging element includes a storage portion that stores first image data output from the first imaging element, and a processing portion that processes second image data. A second image indicated by the second image data has a higher resolution than a first image indicated by the first image data. The second imaging element outputs the first image data stored in the storage portion to a specific output destination in a case where a specific subject image is not detected, and outputs the second image data or combined image data obtained by combining the first image data with the second image data using the processing portion to the output destination in a case where the specific subject image is detected.Type: ApplicationFiled: May 1, 2023Publication date: September 7, 2023Inventors: Ryo HASEGAWA, Tomoyuki KAWAI, Hitoshi SAKURABU, Makoto KOBAYASHI, Kazufumi SUGAWARA
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Patent number: 11750940Abstract: An imaging apparatus includes: an imaging sensor; a lens mount to which a lens is attached; and a processor is configured to read out an imaging signal from the imaging sensor and generate a raw image. The processor is configured to determine a length of a second focal length in a second direction which intersects with an extending direction of an optical axis of the lens and a first direction which intersects with the extending direction, relative to a first focal length in the first direction, and make a resolution ratio, which is a ratio of a resolution of the raw image in the first direction to a resolution of the raw image in the second direction, higher than a resolution ratio of the imaging sensor in a case where the second focal length is longer than the first focal length.Type: GrantFiled: October 26, 2022Date of Patent: September 5, 2023Assignee: FUJIFILM CorporationInventors: Tomoyuki Kawai, Koichi Tanaka, Junya Kitagawa, Yuya Nishio
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Publication number: 20230269344Abstract: 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: ApplicationFiled: May 1, 2023Publication date: August 24, 2023Inventors: Tomoyuki KAWAI, Hitoshi SAKURABU, Ryo HASEGAWA, Makoto KOBAYASHI, Kazufumi SUGAWARA
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Publication number: 20230269497Abstract: The imaging element has a first and a second phase difference pixel region each including the plurality of phase difference pixels, and an imaging pixel region between the first and the second phase difference pixel region in the first direction. The processor is configured to cause the imaging element to perform imaging at a frame cycle, execute first readout processing of reading out a signal from the first phase difference pixel region during a first frame period, and execute second readout processing of reading out a signal from the second phase difference pixel region during a second frame period subsequent to the first frame period. A first exposure time, during which the first phase difference pixel region is exposed, and a second exposure time, during which the second phase difference pixel region is exposed, are different from an exposure time of the imaging pixel region.Type: ApplicationFiled: March 16, 2023Publication date: August 24, 2023Applicant: FUJIFILM CorporationInventors: Tomoyuki KAWAI, Koichi Tanaka, Yuya Nishio
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Patent number: 11736829Abstract: The pixel region includes a first phase difference pixel group including a plurality of the phase difference pixels of which the first side of the photoelectric conversion element is blocked by the light blocking layer in a first side region of the first side, and a second phase difference pixel group including a plurality of the phase difference pixels of which the second side of the photoelectric conversion element is blocked by the light blocking layer. The first phase difference pixel group includes a first A pixel and a first B pixel in which a light blocking area of the photoelectric conversion element using the light blocking layer is smaller than that of the first A pixel. The controller performs addition readout processing in which at least one of a pixel signal of the first A pixel or a pixel signal of the first B pixel is weighted in accordance with optical characteristics of the imaging lens.Type: GrantFiled: August 22, 2022Date of Patent: August 22, 2023Assignee: FUJIFILM CorporationInventors: Koichi Tanaka, Tomoyuki Kawai, Junya Kitagawa, Yuya Nishio
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Patent number: 11729506Abstract: An imaging element includes a memory that stores first image data obtained by being captured by the imaging element and is incorporated in the imaging element, and a first processor that is configured to perform image data processing on the first image data and is incorporated in the imaging element. The first processor is configured to receive vibration information related to a vibration exerted on the imaging element within a frame output period defined by a first frame rate, and output second image data obtained by assigning the vibration information to a specific position set in the first image data within the frame output period.Type: GrantFiled: June 20, 2022Date of Patent: August 15, 2023Assignee: FUJIFILM CORPORATIONInventors: Kazufumi Sugawara, Makoto Kobayashi, Tomoyuki Kawai, Hitoshi Sakurabu, Ryo Hasegawa
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Patent number: 11722797Abstract: Provided are a leakage light detection device, an imaging device, a leakage light detection method, and a non-transitory computer readable recording medium storing a leakage light detection program capable of improving quality of a captured image. A determination unit (11A) compares a pixel value (Gu3) of a pixel (G12) with a pixel value (Gb1) of a pixel (G14) and determines that the pixel (G12) has leakage light from a pixel (G11) in a case where the pixel value (Gu3) is larger than the pixel value (Gb1) by a threshold (TH) or more, and compares a pixel value (Gd3) of a pixel (G13) with the pixel value (Gb1) of the pixel (G14) and determines that the pixel (G13) has the leakage light from the pixel (G11) in a case where the pixel value (Gd3) is larger than the pixel value (Gb1) by the threshold (TH) or more.Type: GrantFiled: October 25, 2021Date of Patent: August 8, 2023Assignee: FUJIFILM CorporationInventor: Tomoyuki Kawai
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Patent number: 11711595Abstract: 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: GrantFiled: August 12, 2021Date of Patent: July 25, 2023Assignee: FUJIFILM CORPORATIONInventors: Ryo Hasegawa, Tomoyuki Kawai, Makoto Kobayashi, Hitoshi Sakurabu, Kazufumi Sugawara
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Publication number: 20230232112Abstract: The imaging apparatus includes: a processor; and an imaging element that has column signal lines, which are for reading out signals and extend in a first direction, and that has a first pixel group and a second pixel group arranged in the first direction, the first pixel group including phase difference pixels and imaging pixels arranged in a second direction intersecting the first direction and the second pixel group including imaging pixels arranged in the second direction. The processor is configured to set one of a first exposure time, during which the first pixel group is exposed, and a second exposure time, during which the second pixel group is exposed, shorter than the other, and determine which of the first exposure time and the second exposure time is made shorter than the other on the basis of information of a subject image.Type: ApplicationFiled: March 20, 2023Publication date: July 20, 2023Applicant: FUJIFILM CorporationInventors: Yuya NISHIO, Tomoyuki KAWAI, Koichi Tanaka
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Patent number: 11696054Abstract: An imaging apparatus includes an imaging element, and a processing portion that generates single image data by combining a plurality of pieces of image data output from the imaging element and outputs the generated single image data, in which the plurality of pieces of image data are image data generated by performing imaging accompanying A/D conversion of different reference levels, and the number of bits, in units of pixels, of the single image data output from the processing portion is greater than the number of bits of each of the plurality of pieces of image data in units of pixels.Type: GrantFiled: January 18, 2022Date of Patent: July 4, 2023Assignee: FUJIFILM CORPORATIONInventors: Makoto Kobayashi, Tomoyuki Kawai, Hitoshi Sakurabu, Ryo Hasegawa, Kazufumi Sugawara
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Publication number: 20230209194Abstract: An imaging apparatus includes: an imaging sensor; and at least one processor. The processor is configured to execute: imaging processing of acquiring a plurality of first frames, which are imaged at a first frame rate in a first exposure mode, through the imaging sensor; correction processing of performing electronic shake correction on the plurality of first frames on the basis of an amount of shake delivered to the imaging apparatus; and generation processing of generating motion picture data, which has a second frame having a second frame rate lower than the first frame rate, by synthesizing the plurality of first frames. In the first exposure mode, the processor sets m as a positive integer, and makes an exposure time for an mth first frame constituting the second frame shorter than an exposure time for an (m+1)th first frame.Type: ApplicationFiled: February 20, 2023Publication date: June 29, 2023Applicant: FUJIFILM CorporationInventors: Tomoyuki KAWAI, Koichi Tanaka, Yuya Nishio
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Patent number: 11689816Abstract: An imaging apparatus includes a storage portion that stores image data obtained by imaging, and a processing portion that processes the image data, in which the processing portion performs processing of reducing the image data, performs first detection processing of detecting a specific subject image showing a specific subject from a reduced image indicated by reduced image data obtained by reducing the image data, and in a case where the specific subject image is not detected by the first detection processing, performs second detection processing on pre-reduction image data that is the image data before reduction stored in the storage portion.Type: GrantFiled: February 8, 2022Date of Patent: June 27, 2023Assignee: FUJIFILM CORPORATIONInventors: Hitoshi Sakurabu, Ryo Hasegawa, Tomoyuki Kawai, Makoto Kobayashi, Kazufumi Sugawara
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Publication number: 20230199336Abstract: An imaging apparatus includes: an imaging sensor; a lens mount to which a lens is attached; and a processor is configured to read out an imaging signal from the imaging sensor and generate a raw image. The processor is configured to determine a length of a second focal length in a second direction which intersects with an extending direction of an optical axis of the lens and a first direction which intersects with the extending direction, relative to a first focal length in the first direction, and make a resolution ratio, which is a ratio of a resolution of the raw image in the first direction to a resolution of the raw image in the second direction, higher than a resolution ratio of the imaging sensor in a case where the second focal length is longer than the first focal length.Type: ApplicationFiled: October 26, 2022Publication date: June 22, 2023Applicant: FUJIFILM CorporationInventors: Tomoyuki KAWAI, Koichi TANAKA, Junya KITAGAWA, Yuya NISHIO
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Patent number: 11678070Abstract: An imaging apparatus includes a first imaging element and a second imaging element. The second imaging element includes a storage portion that stores first image data output from the first imaging element, and a processing portion that processes second image data. A second image indicated by the second image data has a higher resolution than a first image indicated by the first image data. The second imaging element outputs the first image data stored in the storage portion to a specific output destination in a case where a specific subject image is not detected, and outputs the second image data or combined image data obtained by combining the first image data with the second image data using the processing portion to the output destination in a case where the specific subject image is detected.Type: GrantFiled: February 14, 2022Date of Patent: June 13, 2023Assignee: FUJIFILM CORPORATIONInventors: Ryo Hasegawa, Tomoyuki Kawai, Hitoshi Sakurabu, Makoto Kobayashi, Kazufumi Sugawara
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Patent number: 11677895Abstract: 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: GrantFiled: August 10, 2021Date of Patent: June 13, 2023Assignee: FUJIFILM CORPORATIONInventors: Tomoyuki Kawai, Hitoshi Sakurabu, Ryo Hasegawa, Makoto Kobayashi, Kazufumi Sugawara
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Publication number: 20230179887Abstract: 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: ApplicationFiled: February 6, 2023Publication date: June 8, 2023Inventors: Hitoshi SAKURABU, Makoto KOBAYASHI, Ryo HASEGAWA, Tomoyuki KAWAI
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Publication number: 20230171494Abstract: The imaging apparatus includes an imaging sensor, a detection sensor that detects rotational shake in the roll direction, a mechanical vibration-proof mechanism that corrects rotational shake, and a processor. The processor is configured to execute: mechanical vibration-proof processing using the mechanical vibration-proof mechanism; electronic vibration-proof processing of correcting the rotational shake; driving processing of driving the imaging sensor in one mode selected from a plurality of modes including a first mode in which a motion picture is captured at a first frame rate and a second mode in which a motion picture is captured at a second frame rate; and correction distribution processing of distributing correction of a part of the rotational shake to the mechanical vibration-proof processing and correction of a part of the rotational shake to the electronic vibration-proof processing.Type: ApplicationFiled: January 12, 2023Publication date: June 1, 2023Applicant: FUJIFILM CorporationInventors: Koichi TANAKA, Tomoyuki KAWAI, Junya KITAGAWA, Yuya NISHIO
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Publication number: 20230097126Abstract: Provided are an electrolytic solution suitable for a lithium ion secondary battery that includes a positive electrode which has a positive electrode active material having an olivine structure, and includes a negative electrode having graphite as a negative electrode active material, and a superior lithium ion secondary battery having the electrolytic solution. The lithium ion secondary battery includes: a positive electrode that includes a positive electrode active material having an olivine structure; a negative electrode having graphite as a negative electrode active material; and an electrolytic solution. The electrolytic solution contains LiPF6, a cyclic alkylene carbonate selected from ethylene carbonate and propylene carbonate, methyl propionate, and an additive that starts reductive degradation at a potential higher than a potential at which the above components of the electrolytic solution start reductive degradation.Type: ApplicationFiled: February 4, 2021Publication date: March 30, 2023Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Tomoyuki KAWAI, Kensuke YOTSUMOTO, Yuki ICHIKAWA, Satomi YOKOCHI, Hiroshi IWATA, Yuya SATO, Eiji MIZUTANI, Yushi KONDO, Takeshi MAKI, Yoshiyuki OGASAWARA, Takeshi KIMIJIMA, Yusuke WATANABE, Tatsuya EGUCHI, Shintaro YAMAOKA
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Patent number: 11616927Abstract: 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: GrantFiled: August 12, 2021Date of Patent: March 28, 2023Assignee: FUJIFILM CORPORATIONInventors: Hitoshi Sakurabu, Makoto Kobayashi, Ryo Hasegawa, Tomoyuki Kawai