Patents by Inventor Yosuke Kusaka
Yosuke Kusaka 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: 11979672Abstract: A backside illumination image sensor that includes a semiconductor substrate with a plurality of photoelectric conversion elements and a read circuit formed on a front surface side of the semiconductor substrate, and captures an image by outputting, via the read circuit, electrical signals generated as incident light having reached a back surface side of the semiconductor substrate is received at the photoelectric conversion elements includes: a light shielding film formed on a side where incident light enters the photoelectric conversion elements, with an opening formed therein in correspondence to each photoelectric conversion element, and an on-chip lens formed at a position set apart from the light shielding film by a predetermined distance in correspondence to each photoelectric conversion element. The light shielding film and an exit pupil plane of the image forming optical system achieve a conjugate relation to each other with regard to the on-chip lens.Type: GrantFiled: February 2, 2023Date of Patent: May 7, 2024Assignee: NIKON CORPORATIONInventor: Yosuke Kusaka
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Publication number: 20230179877Abstract: A backside illumination image sensor that includes a semiconductor substrate with a plurality of photoelectric conversion elements and a read circuit formed on a front surface side of the semiconductor substrate, and captures an image by outputting, via the read circuit, electrical signals generated as incident light having reached a back surface side of the semiconductor substrate is received at the photoelectric conversion elements includes: a light shielding film formed on a side where incident light enters the photoelectric conversion elements, with an opening formed therein in correspondence to each photoelectric conversion element, and an on-chip lens formed at a position set apart from the light shielding film by a predetermined distance in correspondence to each photoelectric conversion element. The light shielding film and an exit pupil plane of the image forming optical system achieve a conjugate relation to each other with regard to the on-chip lens.Type: ApplicationFiled: February 2, 2023Publication date: June 8, 2023Applicant: NIKON CORPORATIONInventor: Yosuke KUSAKA
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Patent number: 11601624Abstract: A backside illumination image sensor that includes a semiconductor substrate with a plurality of photoelectric conversion elements and a read circuit formed on a front surface side of the semiconductor substrate, and captures an image by outputting, via the read circuit, electrical signals generated as incident light having reached a back surface side of the semiconductor substrate is received at the photoelectric conversion elements includes: a light shielding film formed on a side where incident light enters the photoelectric conversion elements, with an opening formed therein in correspondence to each photoelectric conversion element; and an on-chip lens formed at a position set apart from the light shielding film by a predetermined distance in correspondence to each photoelectric conversion element. The light shielding film and an exit pupil plane of the image forming optical system achieve a conjugate relation to each other with regard to the on-chip lens.Type: GrantFiled: August 17, 2020Date of Patent: March 7, 2023Assignee: NIKON CORPORATIONInventor: Yosuke Kusaka
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Patent number: 11405576Abstract: An image sensor includes: first pixels, each of which receives a pair of light fluxes and outputs a pair of first analog signals; an A/D conversion unit that converts each of pairs of first analog signals to a pair of first digital signals; a digital adder unit that generates digital sum signals each by adding together the pair of first digital signals among pairs of first digital signals; a first output unit that outputs pairs of first digital signals to an external recipient; and a second output unit that outputs the digital sum signals to an external recipient.Type: GrantFiled: May 6, 2021Date of Patent: August 2, 2022Assignee: NIKON CORPORATIONInventor: Yosuke Kusaka
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Publication number: 20210258526Abstract: An image sensor includes: first pixels, each of which receives a pair of light fluxes and outputs a pair of first analog signals; an A/D conversion unit that converts each of pairs of first analog signals to a pair of first digital signals; a digital adder unit that generates digital sum signals each by adding together the pair of first digital signals among pairs of first digital signals; a first output unit that outputs pairs of first digital signals to an external recipient; and a second output unit that outputs the digital sum signals to an external recipient.Type: ApplicationFiled: May 6, 2021Publication date: August 19, 2021Applicant: NIKON CORPORATIONInventor: Yosuke KUSAKA
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Patent number: 11032506Abstract: An image sensor includes: first pixels, each of which receives a pair of light fluxes and outputs a pair of first analog signals; an A/D conversion unit that converts each of pairs of first analog signals to a pair of first digital signals; a digital adder unit that generates digital sum signals each by adding together the pair of first digital signals among pairs of first digital signals; a first output unit that outputs pairs of first digital signals to an external recipient; and a second output unit that outputs the digital sum signals to an external recipient.Type: GrantFiled: January 18, 2019Date of Patent: June 8, 2021Assignee: NIKON CORPORATIONInventor: Yosuke Kusaka
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Publication number: 20200381467Abstract: A backside illumination image sensor that includes a semiconductor substrate with a plurality of photoelectric conversion elements and a read circuit formed on a front surface side of the semiconductor substrate, and captures an image by outputting, via the read circuit, electrical signals generated as incident light having reached a back surface side of the semiconductor substrate is received at the photoelectric conversion elements includes: a light shielding film formed on a side where incident light enters the photoelectric conversion elements, with an opening formed therein in correspondence to each photoelectric conversion element; and an on-chip lens formed at a position set apart from the light shielding film by a predetermined distance in correspondence to each photoelectric conversion element. The light shielding film and an exit pupil plane of the image forming optical system achieve a conjugate relation to each other with regard to the on-chip lens.Type: ApplicationFiled: August 17, 2020Publication date: December 3, 2020Applicant: NIKON CORPORATIONInventor: Yosuke KUSAKA
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Patent number: 10777595Abstract: A backside illumination image sensor that includes a semiconductor substrate with a plurality of photoelectric conversion elements and a read circuit formed on a front surface side of the semiconductor substrate, and captures an image by outputting, via the read circuit, electrical signals generated as incident light having reached a back surface side of the semiconductor substrate is received at the photoelectric conversion elements includes: a light shielding film formed on a side where incident light enters the photoelectric conversion elements, with an opening formed therein in correspondence to each photoelectric conversion element; and an on-chip lens formed at a position set apart from the light shielding film by a predetermined distance in correspondence to each photoelectric conversion element. The light shielding film and an exit pupil plane of the image forming optical system achieve a conjugate relation to each other with regard to the on-chip lens.Type: GrantFiled: January 2, 2019Date of Patent: September 15, 2020Assignee: NIKON CORPORATIONInventor: Yosuke Kusaka
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Publication number: 20190219793Abstract: A focus detection device includes: a plurality of first pixels having first color filters, via which a pair of first signals, to be used for split-pupil phase detection, are output; a plurality of second pixels having second color filters, via which a pair of second signals, to be used for the split-pupil phase detection, are output; a phase difference detection unit that detects a phase difference manifested by the first signals or a phase difference manifested by the second signals; and a defocus amount calculation unit that calculates a defocus amount by using a first conversion coefficient corresponding to the first color when the phase difference detection unit has detected the phase difference manifested by the first signals and by using a second conversion coefficient corresponding to the second color when the phase difference detection unit has detected the phase difference manifested by the second signals.Type: ApplicationFiled: March 25, 2019Publication date: July 18, 2019Applicant: NIKON CORPORATIONInventor: Yosuke KUSAKA
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Publication number: 20190174066Abstract: A display system has a (1) camera that includes a lens and outputs an image data; (2) a first display that includes a first display screen on which (i) a first image, based on the image data output by the camera, containing a part of a person is displayed and (ii) information indicating a position where the camera has output the image data is displayed; and (3) a second display that includes (i) a receiver which receives the image data transmitted from the camera and (ii) a second display screen that displays a second image based on the image data. The second display can be carried by the person while receiving the image data.Type: ApplicationFiled: February 8, 2019Publication date: June 6, 2019Applicant: NIKON CORPORATIONInventors: Yosuke KUSAKA, Shoei NAKAMURA
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Publication number: 20190158770Abstract: An image sensor includes: first pixels, each of which receives a pair of light fluxes and outputs a pair of first analog signals; an A/D conversion unit that converts each of pairs of first analog signals to a pair of first digital signals; a digital adder unit that generates digital sum signals each by adding together the pair of first digital signals among pairs of first digital signals; a first output unit that outputs pairs of first digital signals to an external recipient; and a second output unit that outputs the digital sum signals to an external recipient.Type: ApplicationFiled: January 18, 2019Publication date: May 23, 2019Applicant: NIKON CORPORATIONInventor: Yosuke KUSAKA
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Publication number: 20190140009Abstract: A backside illumination image sensor that includes a semiconductor substrate with a plurality of photoelectric conversion elements and a read circuit formed on a front surface side of the semiconductor substrate, and captures an image by outputting, via the read circuit, electrical signals generated as incident light having reached a back surface side of the semiconductor substrate is received at the photoelectric conversion elements includes: a light shielding film formed on a side where incident light enters the photoelectric conversion elements, with an opening formed therein in correspondence to each photoelectric conversion element; and an on-chip lens formed at a position set apart from the light shielding film by a predetermined distance in correspondence to each photoelectric conversion element. The light shielding film and an exit pupil plane of the image forming optical system achieve a conjugate relation to each other with regard to the on-chip lens.Type: ApplicationFiled: January 2, 2019Publication date: May 9, 2019Applicant: NIKON CORPORATIONInventor: Yosuke KUSAKA
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Patent number: 10274697Abstract: A focus detection device includes: a plurality of first pixels having first color filters, via which a pair of first signals, to be used for split-pupil phase detection, are output; a plurality of second pixels having second color filters, via which a pair of second signals, to be used for the split-pupil phase detection, are output; a phase difference detection unit that detects a phase difference manifested by the first signals or a phase difference manifested by the second signals; and a defocus amount calculation unit that calculates a defocus amount by using a first conversion coefficient corresponding to the first color when the phase difference detection unit has detected the phase difference manifested by the first signals and by using a second conversion coefficient corresponding to the second color when the phase difference detection unit has detected the phase difference manifested by the second signals.Type: GrantFiled: March 28, 2018Date of Patent: April 30, 2019Assignee: NIKON CORPORATIONInventor: Yosuke Kusaka
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Patent number: 10270999Abstract: An image sensor includes: first pixels, each of which receives a pair of light fluxes and outputs a pair of first analog signals; an A/D conversion unit that converts each of pairs of first analog signals to a pair of first digital signals; a digital adder unit that generates digital sum signals each by adding together the pair of first digital signals among pairs of first digital signals; a first output unit that outputs pairs of first digital signals to an external recipient; and a second output unit that outputs the digital sum signals to an external recipient.Type: GrantFiled: September 25, 2013Date of Patent: April 23, 2019Assignee: NIKON CORPORATIONInventor: Yosuke Kusaka
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Patent number: 10225503Abstract: An image sensor includes: first pixels, each of which receives a pair of light fluxes and outputs a pair of first analog signals; an A/D conversion unit that converts each of pairs of first analog signals to a pair of first digital signals; a digital adder unit that generates digital sum signals each by adding together the pair of first digital signals among pairs of first digital signals; a first output unit that outputs pairs of first digital signals to an external recipient; and a second output unit that outputs the digital sum signals to an external recipient.Type: GrantFiled: September 25, 2013Date of Patent: March 5, 2019Assignee: NIKON CORPORATIONInventor: Yosuke Kusaka
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Publication number: 20190058825Abstract: A focus detection device includes: an image sensor that includes a plurality of focus detection pixel rows, each having a plurality of focus detection pixels and each outputting a pair of focus detection signals; a spatial accumulation unit that calculates spatially accumulated values by adding together pairs of focus detection signals output from a first predetermined number of focus detection pixel rows among the plurality of focus detection pixel rows; and a focus detection unit that detects a focusing condition at an optical system based upon the spatially accumulated values.Type: ApplicationFiled: October 23, 2018Publication date: February 21, 2019Applicant: NIKON CORPORATIONInventor: Yosuke KUSAKA
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Patent number: 10204949Abstract: A backside illumination image sensor that includes a semiconductor substrate with a plurality of photoelectric conversion elements and a read circuit formed on a front surface side of the semiconductor substrate, and captures an image by outputting, via the read circuit, electrical signals generated as incident light having reached a back surface side of the semiconductor substrate is received at the photoelectric conversion elements includes: a light shielding film formed on a side where incident light enters the photoelectric conversion elements, with an opening formed therein in correspondence to each photoelectric conversion element; and an on-chip lens formed at a position set apart from the light shielding film by a predetermined distance in correspondence to each photoelectric conversion element. The light shielding film and an exit pupil plane of the image forming optical system achieve a conjugate relation to each other with regard to the on-chip lens.Type: GrantFiled: June 6, 2017Date of Patent: February 12, 2019Assignee: NIKON CORPORATIONInventor: Yosuke Kusaka
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Publication number: 20180220060Abstract: A focus detection device includes: a plurality of first pixels having first color filters, via which a pair of first signals, to be used for split-pupil phase detection, are output; a plurality of second pixels having second color filters, via which a pair of second signals, to be used for the split-pupil phase detection, are output; a phase difference detection unit that detects a phase difference manifested by the first signals or a phase difference manifested by the second signals; and a defocus amount calculation unit that calculates a defocus amount by using a first conversion coefficient corresponding to the first color when the phase difference detection unit has detected the phase difference manifested by the first signals and by using a second conversion coefficient corresponding to the second color when the phase difference detection unit has detected the phase difference manifested by the second signals.Type: ApplicationFiled: March 28, 2018Publication date: August 2, 2018Applicant: NIKON CORPORATIONInventor: Yosuke KUSAKA
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Patent number: 10015403Abstract: An image display method displays image data obtained through a photographing operation performed at an image-capturing apparatus having a photographic optical system. The method includes: (i) image-capturing in which image data are generated by photographing a subject within a photographic image plane with the image-capturing apparatus; (ii) information collection in which subject information related to the subject is collected; (iii) correlating in which the subject information is made to correlate to a position within the photographic image plane; (iv) image display in which the image data are displayed at a display screen; (v) position specification in which a position on the display screen at which the image data are displayed is specified; and (vi) information display in which the subject information made to correlate to a position within the photographic image plane corresponding to the position specified in the position specification is displayed.Type: GrantFiled: July 19, 2016Date of Patent: July 3, 2018Assignee: NIKON CORPORATIONInventors: Yosuke Kusaka, Shoei Nakamura
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Patent number: 9986147Abstract: A focus detection device includes: a plurality of first pixels having first color filters, via which a pair of first signals, to be used for split-pupil phase detection, are output; a plurality of second pixels having second color filters, via which a pair of second signals, to be used for the split-pupil phase detection, are output; a phase difference detection unit that detects a phase difference manifested by the first signals or a phase difference manifested by the second signals; and a defocus amount calculation unit that calculates a defocus amount by using a first conversion coefficient corresponding to the first color when the phase difference detection unit has detected the phase difference manifested by the first signals and by using a second conversion coefficient corresponding to the second color when the phase difference detection unit has detected the phase difference manifested by the second signals.Type: GrantFiled: May 26, 2016Date of Patent: May 29, 2018Assignee: NIKON CORPORATIONInventor: Yosuke Kusaka