Patents Assigned to Nikon Corporation
  • Publication number: 20210136406
    Abstract: A video compression apparatus configured to compress a plurality of frames outputted from an imaging element that has a first imaging region in which a subject is captured and a second imaging region in which a subject is captured, and in which a first imaging condition can be set for the first imaging region and a second imaging condition differing from the first imaging condition can be set for the second imaging region, includes: an image processing unit configured to execute image processing based on the second imaging condition on image data outputted from the first imaging region by the imaging element capturing the subject; and a compression unit configured to compress each of the frames subjected to the image processing by the image processing unit on the basis of block matching with a frame differing from the frame.
    Type: Application
    Filed: March 26, 2019
    Publication date: May 6, 2021
    Applicant: NIKON CORPORATION
    Inventors: Masaya TAKAHASHI, Keiichi NITTA
  • Publication number: 20210136302
    Abstract: An image sensor includes: a first imaging region that captures an image of light entering through an optical system under a first imaging condition and generates a detection signal to perform focus detection of the optical system; and a second imaging region that captures an image of the light entering through the optical system under a second imaging condition other than the first imaging condition and generates an image signal.
    Type: Application
    Filed: January 12, 2021
    Publication date: May 6, 2021
    Applicant: NIKON CORPORATION
    Inventor: Hidefumi OTA
  • Publication number: 20210127970
    Abstract: An image processing method, which is executed by a processor, comprises acquiring choroid information from an image of a fundus of an examined eye, and comparing the choroid information against a choroid normative database and determining whether or not there is an abnormality in the fundus.
    Type: Application
    Filed: October 30, 2019
    Publication date: May 6, 2021
    Applicant: NIKON CORPORATION
    Inventors: Mariko HIROKAWA, Yasushi TANABE, Tomoharu FUJIWARA
  • Publication number: 20210136307
    Abstract: An image sensor includes: a photoelectric conversion unit that photoelectrically converts incident light and generates a charge; and an A/D conversion unit that converts the analog signal generated due to charge generated by the photoelectric conversion unit into a digital signal, wherein: the A/D conversion unit includes a comparison unit that compares the analog signal with a reference signal and a first circuit layer including a first capacitor for generating the reference signal and a second circuit layer laminated to the first circuit layer and including with a second capacitor for generating the reference signal.
    Type: Application
    Filed: January 14, 2021
    Publication date: May 6, 2021
    Applicant: NIKON CORPORATION
    Inventor: Tomoki HIRATA
  • Publication number: 20210132359
    Abstract: An information processing device comprises: an image processor which generates surface information from point cloud data generated on the basis of position information of an object, using a value of a first parameter and a value of a second parameter; and a display controller which causes a display to display a surface image on the basis of the generated surface information, wherein the image processor generates a plurality of pieces of surface information, using a plurality of values of the first parameter and a plurality of values of the second parameter, and the display controller causes the display to display a plurality of surface images on the basis of the plurality of pieces of generated surface information.
    Type: Application
    Filed: November 30, 2020
    Publication date: May 6, 2021
    Applicant: NIKON CORPORATION
    Inventors: Wataru TOMOSUGI, Sadashige ISHIDA, Kazuhiro ABE, Shutaro ONISHI
  • Publication number: 20210128079
    Abstract: An image display method executed by a processor comprises displaying a screen including a two-dimensional fundus image of an examined eye and a three-dimensional eyeball image of the examined eye, finding a second region in the three-dimensional eyeball image that corresponds to a first region specified in the two-dimensional fundus image, and displaying a mark indicating the second region in the three-dimensional eyeball image.
    Type: Application
    Filed: October 30, 2019
    Publication date: May 6, 2021
    Applicant: NIKON CORPORATION
    Inventor: Mariko HIROKAWA
  • Publication number: 20210133955
    Abstract: An image processing method, which is executed by a processor, comprises acquiring a choroidal vascular image, identifying, in the choroidal vascular image, a plurality of blood vessel center points of a choroidal blood vessel along a flow direction of the choroidal blood vessel, and computing a blood vessel diameter for each of the plurality of identified blood vessel center points.
    Type: Application
    Filed: October 30, 2019
    Publication date: May 6, 2021
    Applicant: NIKON CORPORATION
    Inventor: Mariko HIROKAWA
  • Patent number: 10996147
    Abstract: A sample preparation method includes: irradiating a first region of a sample with light at a time t1; irradiating a second region different from the first region with the tight at a time t2 after the time t1; and fixing the sample at a time t3 after the time t2. A sample preparing apparatus includes: a light radiating unit that irradiates a first region of a sample with light at time t1 and irradiates a second region different from the first region with the light at a time t2 after the time t1; and a fixing unit that fixes the sample at a time t3 after the time t2.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: May 4, 2021
    Assignee: NIKON CORPORATION
    Inventor: Ichiro Sase
  • Patent number: 10998367
    Abstract: An image sensor includes a photoelectric conversion unit that photoelectrically converts incident light to generate an electric charge; and an AD conversion unit having a comparison unit that compares a signal caused by an electric charge generated by the photoelectric conversion unit with a reference signal, a first storage unit in a first circuit layer, the first storage unit storing a first signal based on a signal output from the comparison unit, and a second storage unit in a second circuit layer that is stacked on the first circuit layer, the second storage unit storing a second signal based on the signal output from the comparison unit.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: May 4, 2021
    Assignee: NIKON CORPORATION
    Inventor: Shigeru Matsumoto
  • Publication number: 20210121058
    Abstract: An ophthalmic device including a scanning optical system configured to scan an examined eye with light from a light source, a fixation light source configured to illuminate fixation light onto the examined eye through the scanning optical system so as to function as a fixation target, and a fixation light scanning section configured to scan the fixation light synchronized to scanning of the scanning optical system such that an illuminated fixation target does not move a specific distance or greater due to scanning of the scanning optical system.
    Type: Application
    Filed: September 25, 2020
    Publication date: April 29, 2021
    Applicant: NIKON CORPORATION
    Inventor: Shunsuke FURUYA
  • Publication number: 20210121059
    Abstract: An ophthalmic instrument including a light source, an optical system to guide light from the light source onto a right eye retina of a subject and/or onto a left eye retina of the subject, and a control section to control the optical system so as to perform a visual field test on the right eye retina and/or the left eye retina by the light being shone onto the right-eye retina and/or the left-eye retina.
    Type: Application
    Filed: September 11, 2018
    Publication date: April 29, 2021
    Applicant: NIKON CORPORATION
    Inventors: Shota MIYAZAKI, Ken TOMIOKA, Hideki OBARA
  • Publication number: 20210125335
    Abstract: A device includes an image processing unit configured to calculate color information of at least one cell in a captured image and a determination unit configured to determine a cultured state of the cell on the basis of the color information calculated by the image processing unit.
    Type: Application
    Filed: December 22, 2020
    Publication date: April 29, 2021
    Applicant: NIKON CORPORATION
    Inventors: Hiroaki KII, Shinichi TAKAYAMA
  • Publication number: 20210127069
    Abstract: A portable information device including a body, a position information portion that is provided in the body and that outputs position information, an image sensor that is provided in the body, a display system that is provided in the body and that displays, on a local field in a screen field, relevant information based on the position information such that the displayed relevant information is overlapped on a real-time image, an input portion that is provided on the body and, by use of which user operates an icon, the icon being displayed on the local field such that the displayed icon is overlapped on the real-time image and an imaging button that is provided, separately from the input portion, on the body and that is operated by user to capture a subject image via the image sensor.
    Type: Application
    Filed: January 6, 2021
    Publication date: April 29, 2021
    Applicant: NIKON CORPORATION
    Inventors: Hideya INOUE, Toru IWAOKA, Michiko NOBORISAKA, Masayuki HATORI, Tomohide HAMADA
  • Patent number: 10992861
    Abstract: An image processing device includes: an input unit, first image data being a portion of an image with first and second photographic subjects being imaged being inputted therein, the second subject to be displayed after the first, and the first subject again to be displayed by repeating control to shift a portion of the image displayed upon the display unit in a first direction and to display a portion not displayed; and an image generation unit generating, from the first image data, second image data including the first and second subjects, and the second subject is arranged towards the first direction from the first subject, if a first distance by which the image displayed shifts from the first subject being displayed until the second subject is displayed is longer than a second distance by which the image displayed shifts from the second subject until the first subject is displayed.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: April 27, 2021
    Assignee: NIKON CORPORATION
    Inventor: Hidenori Kuribayashi
  • Patent number: 10990798
    Abstract: An analysis device includes: a cell image acquisition unit that acquires a plurality of cell images in which a stimulated cell has been captured; a feature value calculation unit that calculates a feature value for each of first and second constituent elements constituting the cell, from the cell images acquired by the cell image acquisition unit; a correlation calculation unit that calculates correlations between first feature values and between second feature values in the first and second constituent elements calculated by the feature value calculation unit; a correlation extraction unit that extracts the correlation between the first feature values by selecting the first feature values with respect to the correlations between the feature values in the first and second constituent elements calculated by the correlation calculation unit; and a display unit that displays the correlation between the first feature values extracted by the correlation extraction unit.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: April 27, 2021
    Assignees: THE UNIVERSITY OF TOKYO, NIKON CORPORATION
    Inventors: Masayuki Murata, Fumi Kano, Yoshiyuki Noguchi, Hirotada Watanabe, Nobuhiko Maiya, Shinichi Furuta, Takuro Saigo, Mamiko Masutani, Masafumi Yamashita, Shoko Yamasaki
  • Publication number: 20210116737
    Abstract: A wavelength tunable optical filter and a method for switching and adjusting the wavelength tunable optical filter. The optical filter includes a liquid crystal cell comprising a cholesteric liquid crystal mixture inserted between two electrodes configured to apply a voltage, the cholesteric liquid crystal mixture comprising a chiral dopant and a dual frequency liquid crystal host material, the liquid crystal cell having a reference Bragg reflection wavelength in the spectral range between 300 nm and 900 nm, and the liquid crystal cell having a first Bragg reflection wavelength, when the applied voltage is modulated at a frequency comprised in an intermediate frequency range which is above a cross-over frequency and below a high frequency limit, the first Bragg reflection wavelength being different from the reference Bragg reflection wavelength and the cholesteric liquid crystal mixture being non-scattering both in the reference Bragg reflection mode and in the first Bragg reflection mode.
    Type: Application
    Filed: April 3, 2017
    Publication date: April 22, 2021
    Applicants: NIKON CORPORATION, Essilor International
    Inventors: Eva OTON, Estelle NETTER
  • Publication number: 20210120192
    Abstract: An image-capturing device includes: an image sensor that captures an image of a subject to output an image-capturing signal; a development processing unit that generates development data based on the image-capturing signal; and an output control unit that outputs the development data to an external device in a predetermined transmission format via a connecting member that connects the image-capturing device to the external device. The output control unit outputs the image-capturing signal to the external device via the connecting member in the predetermined transmission format.
    Type: Application
    Filed: April 5, 2019
    Publication date: April 22, 2021
    Applicant: NIKON CORPORATION
    Inventors: Takahiro YOSHIMURA, Hiroaki SHIMIZU
  • Publication number: 20210118100
    Abstract: An electronic apparatus includes an imaging element having a plurality of image capture regions, each of the image capture regions having a plurality of pixels for generating an image signal; a setting unit that sets different image capture conditions for the plurality of image capture regions; and a control unit that corrects a portion of an image signal of a photographic subject captured under first image capture conditions in an image capture region among the plurality of image capture regions so that it is as if the portion of the image signal was captured under second image capture conditions.
    Type: Application
    Filed: December 3, 2020
    Publication date: April 22, 2021
    Applicant: NIKON CORPORATION
    Inventors: Toshiyuki KANBARA, Takashi SHIONOYA, Naoki SEKIGUCHI
  • Patent number: 10984982
    Abstract: A charged particle beam optical apparatus has a plurality of irradiation optical systems each of which irradiates an object with a charged particle beam and a first control apparatus configured to control a second irradiation optical system on the basis of an operation state of a first irradiation optical system.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: April 20, 2021
    Assignee: NIKON CORPORATION
    Inventor: Hiroyuki Nagasaka
  • Patent number: D918285
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: May 4, 2021
    Assignee: Nikon Corporation
    Inventors: Koji Nagaoka, Osamu Katsuda