Patents by Inventor Keiichiro Okamoto
Keiichiro Okamoto 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: 11857255Abstract: An ophthalmic apparatus that includes an image capturing unit configured to capture a target part of a subject eye; a processor; and a memory storing computer-readable instructions therein. The computer-readable instructions, when executed by the processor, may cause the ophthalmic apparatus to execute: acquiring a first image of the target part captured at a first timing by the image capturing unit and a second image of the target part captured at a second timing different from the first timing; and combining the first image with the second image to generate one combined image of the target part.Type: GrantFiled: October 8, 2020Date of Patent: January 2, 2024Assignee: Tomey CorporationInventors: Risa Higashita, Keiichiro Okamoto
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Publication number: 20230380691Abstract: An ophthalmic device that may include: a light source; a measurement optical system that generates measurement light; a first reference optical system that generates first reference light; a second reference optical system that generates second reference light; and an interference optical system that generates measurement interference light from the measurement light and the first reference light, and reference interference light from the first and second reference light. The measurement optical system may include a switching unit that switches between a first state in which the subject eye is irradiated with the light from the light source and a second state in which the light from the light source is guided to the second reference optical system branching from the measurement optical system. The controller may control the switching unit to detect the measurement interference light in the first state, and the reference interference light in the second state.Type: ApplicationFiled: May 25, 2023Publication date: November 30, 2023Inventors: Masahiro YAMANARI, Keiichiro Okamoto
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Publication number: 20230284901Abstract: An ophthalmic device may include: a measurement optical system which includes a light-emitting optical system including a light source and a light-receiving optical system including a light receiving element; an arithmetic device configured to calculate an eye refractive power of the subject eye; a beam deflecting member arranged in an optical path of the measurement optical system and configured to deflect beam emitted from the light source, and a driving device configured to drive the beam deflecting member so that the beam emitted from the light source is scanned in a ring shape onto the subject eye. The beam deflecting member may be disposed so that traveling directions of the beam emitted from the light source intersect with each other between the subject eye and the beam deflecting member when the beam deflecting member is driven by the driving device.Type: ApplicationFiled: March 3, 2023Publication date: September 14, 2023Inventors: Keiichiro Okamoto, Guangchun Bian
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Publication number: 20230240526Abstract: A tomographic image processing device includes a tomographic image acquisition unit that acquires a plurality of tomographic images including an anterior chamber angle, the tomographic images being obtained by radial scan with a substantially conical vertex as a center; an analysis unit that obtains an analysis value related to the anterior chamber angle from each of the plurality of tomographic images; and a display processing unit that causes a display unit to display information regarding each analysis value obtained from each of the plurality of tomographic images in association with a rotation angle in the radial scan at which the anterior chamber angle corresponding to the analysis value is obtained.Type: ApplicationFiled: January 3, 2023Publication date: August 3, 2023Applicant: Tomey CorporationInventors: Fushi LI, Keiichiro OKAMOTO, Risa HIGASHITA
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Patent number: 11659992Abstract: A ophthalmic apparatus may include: a first light source configured to output first light to be irradiated to an anterior segment of a subject eye; and a second light source configured to output second light to be irradiated to a retina of the subject eye. The apparatus may be configured capable of executing a first examination using the first light reflected from the anterior segment and a second examination using the second light reflected from the retina. A wavelength of the second light outputted from the second light source may be smaller than a wavelength of the first light outputted from the first light source.Type: GrantFiled: January 5, 2021Date of Patent: May 30, 2023Assignee: Tomey CorporationInventors: Keiichiro Okamoto, Takashi Kamo, Tomoki Hori
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Patent number: 11642019Abstract: An ophthalmic device includes a two-dimensional image acquisition unit that acquires a two-dimensional image by photographing the front of an eye to be examined with a color camera; a three-dimensional image acquisition unit that acquires a three-dimensional image of the eye to be examined by optical coherence tomography; and a correspondence definition data generation unit that generates correspondence definition data in which the position of a predetermined site of the eye to be examined in the three-dimensional image when the predetermined site is photographed as the three-dimensional image is associated with the position of the predetermined site in the two-dimensional image when the predetermined site is photographed as the two-dimensional image.Type: GrantFiled: August 21, 2020Date of Patent: May 9, 2023Assignee: Tomey CorporationInventors: Naoko Hara, Chihiro Kato, Keiichiro Okamoto
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Patent number: 11617507Abstract: An ophthalmic device includes a two-dimensional image acquisition unit that acquires a two-dimensional image by photographing the front of an eye to be examined with a color camera; a three-dimensional image acquisition unit that acquires a three-dimensional image of the eye to be examined by optical coherence tomography; and a correspondence definition data generation unit that generates correspondence definition data in which the position of a predetermined site of the eye to be examined in the three-dimensional image when the predetermined site is photographed as the three-dimensional image is associated with the position of the predetermined site in the two-dimensional image when the predetermined site is photographed as the two-dimensional image.Type: GrantFiled: August 21, 2020Date of Patent: April 4, 2023Assignee: Tomey CorporationInventors: Naoko Hara, Chihiro Kato, Keiichiro Okamoto
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Publication number: 20230079050Abstract: An ophthalmic device includes a first light source configured to output first light, a second light source configured to output second light, a first interferometer configured to acquire a first tomographic image of a first range based on first interference light, a second interferometer configured to acquire a second tomographic image of a second range based on second interference light, and a controller. The controller may be configured to perform a specific scan on a subject eye that scans the first light and the second light simultaneously in a same plane, wherein the first tomographic image and the second tomographic image are obtained by performing the specific scan, calculate an amount of distortion of the first tomographic image, correct the first tomographic image based on the amount of distortion, and correct the second tomographic image based on the amount of distortion.Type: ApplicationFiled: September 9, 2022Publication date: March 16, 2023Inventor: Keiichiro Okamoto
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Patent number: 11311191Abstract: An ophthalmic apparatus may include a first light source configured to output a first light, a second light source configured to output a second light, a first interferometer configured to execute an examination of a first range using first interference light, and a second interferometer configured to execute an examination of a second range using second interference light, the second range being different from the first range. A central wavelength of the first light may be different from a central wavelength of the second light. A first optical path and a second optical path may at least partially overlap with each other, the first optical path being an optical path of the first light, and the second optical path being an optical path of the second light. The examination of the first range and the examination of the second range may be able to be executed simultaneously.Type: GrantFiled: September 24, 2019Date of Patent: April 26, 2022Assignee: TOMEY CORPORATIONInventors: Masahiro Yamanari, Keiichiro Okamoto, Hsinyuan Chuang
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Publication number: 20220061658Abstract: An ophthalmic device is provided with: a first scanning optical system configured to scan first light outputted from a first light source in a first range of a subject eye; and a second scanning optical system configured to scan a second light outputted from a second light source in a second range of the subject eye that is different from the first range. A central wavelength of the first light and a central wavelength of the second light are different. The first scanning optical system includes a first objective lens unit configured to irradiate the first light to the first range of the subject eye. The second scanning optical system includes a second objective lens unit configured to irradiate the second light to the second range of the subject eye.Type: ApplicationFiled: September 1, 2021Publication date: March 3, 2022Inventor: Keiichiro OKAMOTO
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Patent number: 11141056Abstract: An ophthalmic device that includes an image capturing unit configured to capture a tomographic image of a crystalline lens of a subject eye; a processor; and a memory storing computer-readable instructions therein. The computer-readable instructions, when executed by the processor, may cause the processor to execute: detecting a boundary between tissues in a tomographic image of the crystalline lens of the subject eye captured by the image capturing unit; determining whether the tissues defined by the boundary include an abnormality; and analyzing an analysis item associated with the abnormality.Type: GrantFiled: May 31, 2019Date of Patent: October 12, 2021Assignee: TOMEY CORPORATIONInventors: Keiichiro Okamoto, Risa Higashita, Chuang Hsin Yuan
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Publication number: 20210121061Abstract: A ophthalmic apparatus may include: a first light source configured to output first light to be irradiated to an anterior segment of a subject eye; and a second light source configured to output second light to be irradiated to a retina of the subject eye. The apparatus may be configured capable of executing a first examination using the first light reflected from the anterior segment and a second examination using the second light reflected from the retina. A wavelength of the second light outputted from the second light source may be smaller than a wavelength of the first light outputted from the first light source.Type: ApplicationFiled: January 5, 2021Publication date: April 29, 2021Inventors: Keiichiro Okamoto, Takashi Kamo, Tomoki Hori
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Publication number: 20210106217Abstract: An ophthalmic apparatus that includes an image capturing unit configured to capture a target part of a subject eye; a processor; and a memory storing computer-readable instructions therein. The computer-readable instructions, when executed by the processor, may cause the ophthalmic apparatus to execute: acquiring a first image of the target part captured at a first timing by the image capturing unit and a second image of the target part captured at a second timing different from the first timing; and combining the first image with the second image to generate one combined image of the target part.Type: ApplicationFiled: October 8, 2020Publication date: April 15, 2021Inventors: Risa HIGASHITA, Keiichiro OKAMOTO
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Publication number: 20210059519Abstract: An ophthalmic device includes a two-dimensional image acquisition unit that acquires a two-dimensional image by photographing the front of an eye to be examined with a color camera; a three-dimensional image acquisition unit that acquires a three-dimensional image of the eye to be examined by optical coherence tomography; and a correspondence definition data generation unit that generates correspondence definition data in which the position of a predetermined site of the eye to be examined in the three-dimensional image when the predetermined site is photographed as the three-dimensional image is associated with the position of the predetermined site in the two-dimensional image when the predetermined site is photographed as the two-dimensional image.Type: ApplicationFiled: August 21, 2020Publication date: March 4, 2021Applicant: Tomey CorporationInventors: Naoko HARA, Chihiro KATO, Keiichiro OKAMOTO
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Patent number: 10912458Abstract: A ophthalmic apparatus may include: a first light source configured to output first light to be irradiated to an anterior segment of a subject eye; and a second light source configured to output second light to be irradiated to a retina of the subject eye. The apparatus may be configured capable of executing a first examination using the first light reflected from the anterior segment and a second examination using the second light reflected from the retina. A wavelength of the second light outputted from the second light source may be smaller than a wavelength of the first light outputted from the first light source.Type: GrantFiled: March 26, 2018Date of Patent: February 9, 2021Assignee: TOMEY CORPORATIONInventors: Keiichiro Okamoto, Takashi Kamo, Tomoki Hori
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Patent number: 10733735Abstract: An ophthalmic apparatus that may include a processor; and a memory storing computer-readable instructions therein, the computer-readable instructions, when executed by the processor, causing the ophthalmic apparatus to perform: acquiring a two-dimensional tomographic image of the subjected eye; calculating a preoperative shape of the subjected eye based on a preoperative two-dimensional tomographic image of a preoperative subjected eye acquired by the acquiring of the two-dimensional tomographic image; calculating a postoperative shape of the subjected eye based on a postoperative two-dimensional tomographic image of a postoperative subjected eye acquired by the acquiring of the two-dimensional tomographic image; and calculating a displacement amount between a first reference axis obtained from the preoperative two-dimensional tomographic image of the preoperative subjected eye and a second reference axis obtained from the postoperative two-dimensional tomographic image of the postoperative subjected eye, basType: GrantFiled: December 15, 2017Date of Patent: August 4, 2020Assignee: TOMEY CORPORATIONInventors: Keiichiro Okamoto, Fushi Li, Kenji Horikoshi
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Publication number: 20200100674Abstract: An ophthalmic apparatus may include a first light source configured to output a first light, a second light source configured to output a second light, a first interferometer configured to execute an examination of a first range using first interference light, and a second interferometer configured to execute an examination of a second range using second interference light, the second range being different from the first range. A central wavelength of the first light may be different from a central wavelength of the second light. A first optical path and a second optical path may at least partially overlap with each other, the first optical path being an optical path of the first light, and the second optical path being an optical path of the second light. The examination of the first range and the examination of the second range may be able to be executed simultaneously.Type: ApplicationFiled: September 24, 2019Publication date: April 2, 2020Inventors: Masahiro Yamanari, Keiichiro Okamoto, Hsinyuan Chuang
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Publication number: 20190365218Abstract: An ophthalmic device that includes an image capturing unit configured to capture a tomographic image of a crystalline lens of a subject eye; a processor; and a memory storing computer-readable instructions therein. The computer-readable instructions, when executed by the processor, may cause the processor to execute: detecting a boundary between tissues in a tomographic image of the crystalline lens of the subject eye captured by the image capturing unit; determining whether the tissues defined by the boundary include an abnormality; and analyzing an analysis item associated with the abnormality.Type: ApplicationFiled: May 31, 2019Publication date: December 5, 2019Inventors: Keiichiro Okamoto, Risa Higashita, Chuang Hsin Yuan
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Patent number: 10159407Abstract: An anterior eye tomographic image capturing apparatus determining a power of an IOL (intraocular lens) is configured to acquire a tomographic image of an anterior eye along a straight line passing through a corneal apex of the anterior eye; identify a corneal apex position of the anterior eye, an equator position of a crystalline lens of the anterior eye, and a SS (scleral spur) position of the anterior eye based on the tomographic image; calculate an ELP (estimated lens position) based on a first distance from the corneal apex position to the SS position in a direction of a visual axis and a second distance from the SS position to the equator position in the direction of the visual axis; and determine the power of the IOL by using the ELP.Type: GrantFiled: October 18, 2016Date of Patent: December 25, 2018Assignee: Tomey CorporationInventors: Fushi Li, Keiichiro Okamoto, Kenichi Hayashi
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Publication number: 20180279872Abstract: A ophthalmic apparatus may include: a first light source configured to output first light to be irradiated to an anterior segment of a subject eye; and a second light source configured to output second light to be irradiated to a retina of the subject eye. The apparatus may be configured capable of executing a first examination using the first light reflected from the anterior segment and a second examination using the second light reflected from the retina. A wavelength of the second light outputted from the second light source may be smaller than a wavelength of the first light outputted from the first light source.Type: ApplicationFiled: March 26, 2018Publication date: October 4, 2018Inventors: Keiichiro Okamoto, Takashi Kamo, Tomoki Hori