Patents by Inventor Kazuhiro Oomori

Kazuhiro Oomori 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: 11871994
    Abstract: The object of the present invention is to develop an ophthalmologic microscope of a new method that increases the degree of freedom in the optical design in the Galilean ophthalmologic microscope provided with an OCT optical system. The present invention provides an ophthalmologic microscope, wherein an observation optical system, an objective lens, and an OCT optical system are placed in such a way that the optical axis of the OCT optical system does not penetrate through objective lens, and the optical axis of the observation optical system and the optical axis of the OCT optical system are non-coaxial, and wherein the ophthalmologic microscope further comprises a SLO optical system that scans a light ray which is a visible ray, a near infrared ray, or an infrared ray and guides the light to the subject's eye so as to become substantially coaxial with the optical axis of the OCT optical system.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: January 16, 2024
    Assignee: Topcon Corporation
    Inventors: Yasufumi Fukuma, Kazuhiro Oomori
  • Publication number: 20240008741
    Abstract: An ophthalmic observation apparatus of an embodiment includes an illumination system, a photography system, and a focus processor. The illumination system includes a light source configured to emit illumination light and an indicator member having a plurality of indicators, and is configured to project the illumination light onto a subject's eye via the indicator member. The photography system includes an image sensor and is configured to perform photography of the subject's eye. The focus processor is configured to perform detection of a plurality of indicator images from an image acquired by the photography system, and perform a focus control of the photography system based on the plurality of indicator images.
    Type: Application
    Filed: December 9, 2020
    Publication date: January 11, 2024
    Applicant: Topcon Corporation
    Inventors: Kazuhiro YAMADA, Kazuhiro OOMORI, Yasufumi FUKUMA
  • Publication number: 20230404400
    Abstract: An ophthalmic observation apparatus of an embodiment example includes a moving image generating unit, a movement mechanism, an analyzing processor, and a first controller. The moving image generating unit is configured to generate a moving image by illuminating and photographing the subject's eye. The movement mechanism is configured to move the moving image generating unit. The analyzing processor is configured to sequentially analyze a plurality of still images included in the moving image generated by the moving image generating unit being moved by the movement mechanism to sequentially detect images of a predetermined site of the subject's eye. The first controller is configured to control the movement mechanism based on a change in a predetermined image parameter of the images sequentially detected by the analyzing processor.
    Type: Application
    Filed: December 9, 2020
    Publication date: December 21, 2023
    Applicant: Topcon Corporation
    Inventors: Kazuhiro YAMADA, Kazuhiro OOMORI, Yasufumi FUKUMA
  • Publication number: 20230397809
    Abstract: An ophthalmic observation apparatus of an embodiment includes a microscope, a processor, and a display controller. The microscope includes a pair of photography systems and is configured to acquire a pair of pieces of moving image data of a subject's eye. The processor is configured to perform first processing including at least one of a control of the microscope and image processing applied to at least one of the pair of pieces of moving image data, such that a predetermined parameter of the pair of pieces of moving image data satisfies a first condition. The display controller is configured to display a pair of moving images based on the pair of pieces of moving image data produced by the first processing on a display device.
    Type: Application
    Filed: December 9, 2020
    Publication date: December 14, 2023
    Applicant: Topcon Corporation
    Inventors: Kazuhiro YAMADA, Kazuhiro OOMORI, Yasufumi FUKUMA
  • Publication number: 20230397811
    Abstract: An ophthalmic observation apparatus according to an embodiment example includes a moving image generating unit, an analyzing processor, a target position determining processor, and a display controller. The moving image generating unit is configured to generate a moving image by photographing the subject's eye. The analyzing processor is configured to analyze a still image included in the moving image to detect an image of a predetermined site of the subject's eye. The target position determining processor is configured to determine a target position for a predetermined treatment based at least on the image of the predetermined site detected by the analyzing processor. The display controller is configured to display, on a display device, the moving image and target position information that represents the target position.
    Type: Application
    Filed: February 2, 2021
    Publication date: December 14, 2023
    Applicant: Topcon Corporation
    Inventors: Kazuhiro YAMADA, Kazuhiro OOMORI, Yasufumi FUKUMA
  • Publication number: 20230397810
    Abstract: An ophthalmic observation apparatus according to an embodiment example includes a moving image generating unit, an analyzing processor, and a display controller. The moving image generating unit is configured to generate a moving image by photographing a subject's eye into which an artificial object has been inserted. The analyzing processor is configured to analyze a still image included in the moving image to identify a first site image corresponding to a predetermined site of the subject's eye and a second site image corresponding to a predetermined site of the artificial object. The display controller is configured to display, on a display device, the moving image, first position information that represents a position of the first site image, and second position information that represents a position of the second site image.
    Type: Application
    Filed: December 9, 2020
    Publication date: December 14, 2023
    Applicant: Topcon Corporation
    Inventors: Kazuhiro YAMADA, Kazuhiro OOMORI, Yasufumi FUKUMA
  • Publication number: 20230138934
    Abstract: A shock-absorbing structure for a sole includes a wavy sheet laminated body in which a plurality of wavy sheets of a wave shape are laminated in the up-down direction to compose three or more layers, one-end sidewall portion provided at one end side in the wave direction of the wave shape of the wavy sheet laminated body and restraining the plurality of wavy sheets, the other-end sidewall portion provided at the other end side in the wave direction of the wave shape of the wavy sheet laminated body and restraining the plurality of wavy sheets, and a connecting portion in which at least a portion of a contact region of the plurality of wavy sheets is connected to one another.
    Type: Application
    Filed: October 18, 2022
    Publication date: May 4, 2023
    Inventors: Kenjiro KITA, Yo KAJIWARA, Kazuhiro OOMORI, Kazuki URATA
  • Publication number: 20220395175
    Abstract: In an ophthalmologic apparatus, including: an objective lens that faces a subject's eye; an illumination optical system that irradiates a cornea of the subject's eye with illumination light through the objective lens; and a corneal measurement optical system including an interference image capturing camera that takes an image of a corneal reflection light, which is a reflection of the illumination light reflected from the cornea, through the objective lens, a numerical aperture G of the illumination optical system is larger than a numerical aperture g of the corneal measurement optical system.
    Type: Application
    Filed: April 24, 2020
    Publication date: December 15, 2022
    Applicant: Topcon Corporation
    Inventors: Yasufumi FUKUMA, Zhenguo WANG, Zaixing MAO, Kazuhiro OOMORI, Makoto FUJINO
  • Patent number: 11503995
    Abstract: An ophthalmologic apparatus includes: an objective lens that faces a subject's eye; a first illumination optical system that irradiates a cornea of the subject's eye with illumination light; and a corneal measurement optical system having an imaging element that takes an image of a corneal reflection light, which is a reflection of the illumination light, through the objective lens, and outputs an imaging signal. The corneal measurement optical system includes a first mirror arranged near the objective lens and a second mirror arranged near the imaging element. The first and second mirrors and are configured such that the corneal reflection light that enters and is reflected from the first mirror, and then enters and is reflected from the second mirror exits toward an incident side from which the corneal reflection light enters a reflection surface of the first mirror.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: November 22, 2022
    Assignee: Topcon Corporation
    Inventors: Zhenguo Wang, Zaixing Mao, Kazuhiro Oomori, Makoto Fujino
  • Patent number: 11503996
    Abstract: The object of the present invention is to develop an ophthalmologic microscope of a new method that increases the degree of freedom in the optical design in the Galilean ophthalmologic microscope provided with an OCT optical system. The present invention provides an ophthalmologic microscope 1 comprising; an illuminating optical system 300, an observation optical system 400; an objective lens 2; and an OCT optical system 500, characterized in that the optical axis O-500 of the OCT optical system does not penetrate through the objective lens 2, it comprises objective lens for OCT 507 through which the optical axis O-500 of the OCT optical system penetrates, and deflection optical elements 503a, 503b for scanning of the OCT optical system and the objective lens for OCT 507 are in a substantially optically conjugate positional relation.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: November 22, 2022
    Assignee: Topcon Corporation
    Inventors: Yasufumi Fukuma, Kazuhiro Oomori
  • Publication number: 20220248950
    Abstract: An ophthalmologic apparatus includes: an objective lens 18 configured to face a subject's eye E; an illumination optical system 1c configured to irradiate the subject's eye E with illumination light L1; a measurement optical system 1 b configured to take an interference image of corneal reflection light R1, which is a reflection of the illumination light L1, through the objective lens 18; an observation optical system 1a configured to image an anterior segment of the subject's eye E through the objective lens 18; a control unit 2 configured to process information on imaging by the measurement optical system 1b and the observation optical system 1 a; and the control unit 2 configured to simultaneously output, to a single output unit 3, tear film information calculated from the interference image by the measurement optical system 1 b, and information on the anterior segment E imaged by the observation optical system 1a.
    Type: Application
    Filed: June 10, 2020
    Publication date: August 11, 2022
    Applicant: Topcon Corporation
    Inventors: Zhenguo WANG, Zaixing MAO, Jongsik KIM, Bin CAO, Makoto FUJINO, Kazuhiro OOMORI, Eiichi YANAGI, Ying DONG, Song MEI, Kinpui CHAN
  • Publication number: 20220175247
    Abstract: An ophthalmologic apparatus includes: an objective lens that faces a subject's eye; an alignment light emitting unit that irradiates the subject's eye with alignment light to perform measurement of alignment between the objective lens and the subject's eye; an alignment reflection light receiving unit that receives alignment reflection light, which is a reflection of the alignment light from the subject's eye; an anterior segment camera that receives corneal reflection light; and a holder positioned between the anterior segment camera and the objective lens to hold the anterior segment camera, wherein the holder includes an imaging transmissive portion that transmits the corneal reflection light to the anterior segment camera, a first light-transmissive portion that transmits the alignment light from the alignment light emitting unit, and a second light-transmissive portion that transmits the alignment reflection light from the subject's eye.
    Type: Application
    Filed: April 24, 2020
    Publication date: June 9, 2022
    Applicant: Topcon Corporation
    Inventors: Zhenguo WANG, Zaixing MAO, Kazuhiro OOMORI, Makoto FUJINO
  • Publication number: 20220125308
    Abstract: A corneal endothelial cell imaging apparatus includes an irradiation system, a light receiving system, and a controller. The irradiation system includes a spatial light modulator modulating light from a light source, and is configured to irradiate slit-shaped illumination light toward a cornea by modulating the light using the spatial light modulator. The light receiving system is arranged obliquely to the irradiation system and includes an image sensor receiving reflected light from the cornea. The controller is configured to control the spatial light modulator so as to irradiate the illumination light onto an illumination region on the cornea, and is configured to control the image sensor to set an opening range on a light receiving surface corresponding to the illumination region on the cornea and to capture a light receiving result of reflection component from a corneal endothelium obtained by a light receiving element in the set opening range.
    Type: Application
    Filed: January 11, 2022
    Publication date: April 28, 2022
    Applicant: Topcon Corporation
    Inventor: Kazuhiro OOMORI
  • Publication number: 20220031159
    Abstract: The object of the present invention is to develop an ophthalmologic microscope of a new method that increases the degree of freedom in the optical design in the Galilean ophthalmologic microscope provided with an OCT optical system. The present invention provides an ophthalmologic microscope, wherein an observation optical system, an objective lens, and an OCT optical system are placed in such a way that the optical axis of the OCT optical system does not penetrate through objective lens, and the optical axis of the observation optical system and the optical axis of the OCT optical system are non-coaxial, and wherein the ophthalmologic microscope further comprises a SLO optical system that scans a light ray which is a visible ray, a near infrared ray, or an infrared ray and guides the light to the subject's eye so as to become substantially coaxial with the optical axis of the OCT optical system.
    Type: Application
    Filed: October 5, 2021
    Publication date: February 3, 2022
    Applicant: Topcon Corporation
    Inventors: Yasufumi FUKUMA, Kazuhiro OOMORI
  • Patent number: 11185220
    Abstract: An ophthalmologic apparatus includes: an ophthalmologic apparatus body having: an objective lens that faces a subject's eye; a first illumination optical system that irradiates a cornea of the subject's eye with illumination light emitted from a first illumination light source along an optical axis overlapping an optical axis center of the objective lens; an interference image capturing camera that takes an image of a corneal reflection light through the objective lens and outputs an imaging signal; and a calculation unit that calculates, based on a corneal reflection image, of a corneal reflection light, input from the interference image capturing camera, a thickness of a tear fluid film at each position on the corneal surface; and a guide rail that supports the ophthalmologic apparatus body.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: November 30, 2021
    Assignee: Topcon Corporation
    Inventors: Zhenguo Wang, Zaixing Mao, Hideharu Suzuki, Kazuhiro Oomori, Makoto Fujino
  • Patent number: 11166631
    Abstract: The object of the present invention is to develop an ophthalmologic microscope of a new method that increases the degree of freedom in the optical design in the Galilean ophthalmologic microscope provided with an OCT optical system. The present invention provides an ophthalmologic microscope, wherein an observation optical system, an objective lens, and an OCT optical system are placed in such a way that the optical axis of the OCT optical system does not penetrate through objective lens, and the optical axis of the observation optical system and the optical axis of the OCT optical system are non-coaxial, and wherein the ophthalmologic microscope further comprises a SLO optical system that scans a light ray which is a visible ray, a near infrared ray, or an infrared ray and guides the light to the subject's eye so as to become substantially coaxial with the optical axis of the OCT optical system.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: November 9, 2021
    Assignee: Topcon Corporation
    Inventors: Yasufumi Fukuma, Kazuhiro Oomori
  • Publication number: 20210153740
    Abstract: A slit lamp microscope of some embodiment examples includes an illumination system, photography system, and movement mechanism. The illumination system projects slit light onto an anterior segment of an eye. The photography system includes an optical system and image sensor. The optical system directs light coming from the anterior segment onto which the slit light is being projected. The image sensor includes a light detecting plane that receives the light directed by the optical system. The movement mechanism moves the illumination and photography systems. The subject plane along the optical axis of the illumination system, the optical system, and the light detecting plane satisfy the Scheimpflug condition. The photography system acquires a plurality of images of the anterior segment by performing repetitive photography in parallel with movement of the illumination and photography systems performed by the movement mechanism.
    Type: Application
    Filed: June 12, 2019
    Publication date: May 27, 2021
    Applicant: Topcon Corporation
    Inventors: Kazuhiro OOMORI, Yasufumi FUKUMA, Hitoshi SHIMIZU
  • Patent number: 11013401
    Abstract: An ophthalmologic apparatus of some exemplary embodiments includes an illumination system, interference photographing system, anterior eye segment photographing system, first optical path coupling element, and controller. The illumination system projects illumination light output from a light source, onto the anterior eye segment of a subject's eye. The interference photographing system performs photographing of an interference pattern formed on the cornea by the illumination light. The anterior eye segment photographing system performs photographing of the anterior eye segment onto which the illumination light is being projected. The first optical path coupling element couples the optical path of the interference photographing system and the optical path of the anterior eye segment photographing system with one another.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: May 25, 2021
    Assignee: TOPCON CORPORATION
    Inventors: Yasufumi Fukuma, Hideharu Suzuki, Zhenguo Wang, Kazuhiro Oomori, Makoto Fujino
  • Publication number: 20210113081
    Abstract: [Problem] The object of the present invention is to provide a microscope including a function expansion optical system in addition to an observation optical system for observing an observation target.
    Type: Application
    Filed: July 9, 2018
    Publication date: April 22, 2021
    Applicant: Topcon Corporation
    Inventors: Yasufumi FUKUMA, Kazuhiro OOMORI, Hisashi TSUKADA
  • Publication number: 20210068654
    Abstract: [Problem] An object of the present invention is to provide an ophthalmic microscope capable of observing, and acquiring a tomographic image of, an anterior ocular segment and a posterior ocular segment without changing a positional relationship between an objective lens and a subject eye. Another object of the invention is to provide a function expansion unit capable of incorporating, into an ophthalmic microscope of existing specifications, a function capable of observing, and acquiring a tomographic image of, an anterior ocular segment and a posterior ocular segment without changing a positional relationship between an objective lens and a subject eye.
    Type: Application
    Filed: August 28, 2018
    Publication date: March 11, 2021
    Applicant: Topcon Corporation
    Inventors: Yasufumi FUKUMA, Kazuhiro OOMORI