Patents by Inventor Shinya IWATA
Shinya IWATA 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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Publication number: 20240106209Abstract: [Problem] To provide a wire gripper of excellent operability. [Solution] According to one aspect of the present invention, a wire gripper is provided. This wire gripper comprises: a wire gripping part; a first operation part; and a second operation part. The wire gripping part is configured to be able to hold a linear body by being closed. When the first operation part is pressed, the state transitions to a state where the first operation part and the second operation part are engageable with each other. In the engageable state, the wire gripping part is opened.Type: ApplicationFiled: January 21, 2022Publication date: March 28, 2024Applicant: NAGAKI SEIKI CO., LTD.Inventors: Tomohiro ORIKAWA, Shinya IWATA
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Patent number: 11883100Abstract: Provided are ophthalmologic image processing method, including an acquisition step of acquiring OCT data of an eye to be examined based on a spectral interference signal output from an OCT optical system, a setting step of setting a depth region including an image position of a tissue as an extraction region for data on one-direction side from a zero delay position in the OCT data, and a display control step of extracting extracted OCT data corresponding to the extraction region from the OCT data and displaying the extracted OCT data in a display region set in advance on a monitor, and an OCT apparatus that executes the method.Type: GrantFiled: September 28, 2020Date of Patent: January 30, 2024Assignee: NIDEK CO., LTD.Inventors: Ryosuke Shiba, Yukihiro Higuchi, Shinya Iwata, Junpei Nishiyama, Hideki Aono, Hirofumi Yogo
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Publication number: 20230165462Abstract: A fundus photographing apparatus includes: a photographing unit including a front photographing optical system that forms, on a pupil of an examinee's eye, an illuminating light projection region and an illuminating light receiving region next to each other in a first direction, the front photographing optical system scanning a fundus of examinee's eye with illuminating light to acquire two-dimensional reflection image of the fundus; a driver that moves the photographing unit relative to examinee's eye; and a processor that switches, between a first and a second alignment mode, a control of guiding a positional relation between the examinee's eye and the photographing unit, the positional relation being guided to a first alignment state in predetermined positional relationship in the first alignment mode, and being guided to a second alignment state displaced at least in a direction crossing the first direction from the first alignment state in the second alignment mode.Type: ApplicationFiled: November 29, 2022Publication date: June 1, 2023Applicant: NIDEK CO., LTD.Inventors: Shinya IWATA, Masayuki YOSHINO
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Patent number: 11510568Abstract: A fundus imaging apparatus includes an imaging optical system that irradiates a fundus of a subject eye with light through an objective lens system, and enables to capture a fundus image of the subject eye based on return light from the subject eye, and a diopter correction unit that includes an optical element disposed on an optical path of the imaging optical system and a drive unit driving the optical element, and performs a diopter correction with a diopter value corresponding to a drive amount of the optical element. A drive range of the optical element in the diopter correction unit is set to avoid a specific range being a range in which an artifact caused by reflection light in the objective lens system is maximized.Type: GrantFiled: February 3, 2020Date of Patent: November 29, 2022Assignee: NIDEK CO., LTD.Inventors: Shinya Iwata, Megumi Tsuchiya, Yukihiro Higuchi
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Patent number: 11291365Abstract: An OCT system includes an OCT optical system and a reference attachment. The OCT optical system has a beam splitter for splitting light into a measurement optical path and a reference optical path, a photodetector, a first waveguide, a second waveguide, and first connectors provided at end portions of the first waveguide and the second waveguide respectively for indirectly or directly connecting the first waveguide and the second waveguide. The reference attachment has a third waveguide, and second connectors formed at both ends of the third wave guide and configured to be attachable to and detachable from the first connector, and is attached to and detached from the OCT optical system h attaching and detaching each of the second connectors to and from the first connector to change an optical path length of the reference optical path.Type: GrantFiled: January 31, 2020Date of Patent: April 5, 2022Assignee: NTDEK CO., LTD.Inventors: Shinya Iwata, Kenji Aoki, Takuya Matsumoto
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Publication number: 20220039650Abstract: A fundus imaging apparatus includes an OCT optical system for acquiring OCT data based on measurement light irradiated on a fundus of a subject eye and reference light, and a front imaging optical system for capturing a front image of the fundus of the subject eye by scanning light on the fundus. The scanning light scanned on the fundus of the subject eye in the front imaging optical system has a wavelength, which is longer than ?=850 nm, in a wavelength region in which a scanning light is unlikely to be visible for the subject eye.Type: ApplicationFiled: August 2, 2021Publication date: February 10, 2022Applicant: NIDEK CO., LTD.Inventors: Shinya IWATA, Junpei NISHIYAMA, Norimasa SATAKE
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Patent number: 11054240Abstract: A light interference unit includes a branching optical element, a multiplexing optical element, and at least one fiber device. The branching optical element branches a laser light with an emission wavelength temporally swept, into a measurement light and a reference light. The multiplexing optical element multiplexes the reference light and the measurement light reflected by a measured object, and causes them to interfere. The fiber device includes a reference light device. A transmission light path length is a light path length of the reference light transmitting the reference light device, from the reference light device to the multiplexing optical element. A reflection light path length is a light path length of the reference light reflected by a separation portion of the reference light device, from the reference light device to the multiplexing optical element. The transmission light path length is equal to or more than the reflection light path length.Type: GrantFiled: December 9, 2019Date of Patent: July 6, 2021Assignees: TATSUTA ELECTRIC WIRE & CABLE CO., LTD., NIDEK CO., LTD.Inventors: Masato Takaya, Shinya Iwata
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Publication number: 20210093186Abstract: Provided are ophthalmologic image processing method, including an acquisition step of acquiring OCT data of an eye to be examined based on a spectral interference signal output from an OCT optical system, a setting step of setting a depth region including an image position of a tissue as an extraction region for data on one-direction side from a zero delay position in the OCT data, and a display control step of extracting extracted OCT data corresponding to the extraction region from the OCT data and displaying the extracted OCT data in a display region set in advance on a monitor, and an OCT apparatus that executes the method.Type: ApplicationFiled: September 28, 2020Publication date: April 1, 2021Applicant: NIDEK CO., LTD.Inventors: Ryosuke Shiba, Yukihiro Higuchi, Shinya Iwata, Junpei Nishiyama, Hideki Aono, Hirofumi Yogo
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Publication number: 20200288974Abstract: A fundus imaging apparatus includes an imaging optical system that irradiates a fundus of a subject eye with light through an objective lens system, and enables to capture a fundus image of the subject eye based on return light from the subject eye, and a diopter correction unit that includes an optical element disposed on an optical path of the imaging optical system and a drive unit driving the optical element, and performs a diopter correction with a diopter value corresponding to a drive amount of the optical element. A drive range of the optical element in the diopter correction unit is set to avoid a specific range being a range in which an artifact caused by reflection light in the objective lens system is maximized.Type: ApplicationFiled: February 3, 2020Publication date: September 17, 2020Applicant: NIDEK CO., LTD.Inventors: Shinya Iwata, Megumi Tsuchiya, Yukihiro Higuchi
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Publication number: 20200245863Abstract: An OCT system includes an OCT optical system and a reference attachment. The OCT optical system has a beam splitter for splitting light into a measurement optical path and a reference optical path, a photodetector, a first waveguide, a second waveguide, and first connectors provided at end portions of the first waveguide and the second waveguide respectively for indirectly or directly connecting the first waveguide and the second waveguide. The reference attachment has a third waveguide, and second connectors formed at both ends of the third wave guide and configured to be attachable to and detachable from the first connector, and is attached to and detached from the OCT optical system h attaching and detaching each of the second connectors to and from the first connector to change an optical path length of the reference optical path.Type: ApplicationFiled: January 31, 2020Publication date: August 6, 2020Applicant: NIDEK CO., LTD.Inventors: Shinya IWATA, Kenji AOKI, Takuya MATSUMOTO
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Publication number: 20200116471Abstract: A light interference unit includes a branching optical element, a multiplexing optical element, and at least one fiber device. The branching optical element branches a laser light with an emission wavelength temporally swept, into a measurement light and a reference light. The multiplexing optical element multiplexes the reference light and the measurement light reflected by a measured object, and causes them to interfere. The fiber device includes a reference light device. A transmission light path length is a light path length of the reference light transmitting the reference light device, from the reference light device to the multiplexing optical element. A reflection light path length is a light path length of the reference light reflected by a separation portion of the reference light device, from the reference light device to the multiplexing optical element. The transmission light path length is equal to or more than the reflection light path length.Type: ApplicationFiled: December 9, 2019Publication date: April 16, 2020Applicants: TATSUTA ELECTRIC WIRE & CABLE CO., LTD., NIDEK CO., LTD.Inventors: Masato TAKAYA, Shinya IWATA
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Patent number: 10456035Abstract: An ophthalmic surgical microscope includes an observation optical system configured to guide observation luminous fluxes for a right eye and a left eye from an observation object to an imaging device, an actuator configured to move a position of the observation optical system in at least a direction intersecting with the observation luminous fluxes, a processor, and a memory storing computer-readable instructions. The computer readable instructions, when executed by the processor, cause the ophthalmic surgical microscope to cause a stereoscopic image display to display an observation image to be observed with a right eye of a user and an observation image to be observed with a left eye of the user, detect a position of the observation object with respect to the observation optical system, and correct a deviation in a relative position of the observation optical system with respect to the observation object.Type: GrantFiled: August 25, 2017Date of Patent: October 29, 2019Assignee: NIDEK CO., LTD.Inventors: Takayoshi Shibata, Michihiro Takii, Shinya Iwata
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Patent number: 10010451Abstract: An ophthalmic laser surgical apparatus includes an XY scan unit, a light guiding optical element, an objective lens, and a Z scan unit. The XY scan unit includes a deflecting device for deflecting the pulsed laser beam, and scans the pulsed laser beam in a direction crossing an optical axis. The light guiding optical element is provided downstream of the deflecting device on the optical path of the pulsed laser beam. The light guiding optical element has refractive power, and guides the pulsed laser beam. The objective lens causes the pulsed laser beam through the XY scan unit and the light guiding optical element to converge in a tissue of a patient's eye. The Z scan unit varies the optical path length between the light guiding optical element and the objective lens while the objective lens is fixed in position on the optical path.Type: GrantFiled: August 15, 2014Date of Patent: July 3, 2018Assignee: NIDEK CO., LTD.Inventors: Masaaki Hanebuchi, Naho Murakami, Takayoshi Shibata, Shinya Iwata
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Publication number: 20180055356Abstract: An ophthalmic surgical microscope includes an observation optical system configured to guide observation luminous fluxes for a right eye and a left eye from an observation object to an imaging device, an actuator configured to move a position of the observation optical system in at least a direction intersecting with the observation luminous fluxes, a processor, and a memory storing computer-readable instructions. The computer readable instructions, when executed by the processor, cause the ophthalmic surgical microscope to cause a stereoscopic image display to display an observation image to be observed with a right eye of a user and an observation image to be observed with a left eye of the user, detect a position of the observation object with respect to the observation optical system, and correct a deviation in a relative position of the observation optical system with respect to the observation object.Type: ApplicationFiled: August 25, 2017Publication date: March 1, 2018Applicant: NIDEK CO., LTD.Inventors: Takayoshi SHIBATA, Michihiro TAKII, Shinya IWATA
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Patent number: 9615971Abstract: An ophthalmic laser surgery apparatus for treating an eye of a patient includes: a laser light source configured to emit the pulse laser light; an objective lens configured to condense the pulse laser light emitted from the laser light source on the tissue to cause a photodistuption of the tissue; a scanner configured to scan a condensing position of the pulse laser light condensed by the objective lens; and a controller configured to control the scanner to adjust speed of scanning the condensing position depending on a size of the photodisruption which fluctuates in according to an aberration which fluctuates according to a change in the condensing position.Type: GrantFiled: December 1, 2014Date of Patent: April 11, 2017Assignee: NIDEK CO., LTD.Inventors: Tomohiro Miyagi, Takayoshi Shibata, Masaaki Hanebuchi, Naho Murakami, Shinya Iwata
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Publication number: 20160250067Abstract: A laser eye surgery apparatus includes: a laser light source configured to emit pulsed laser light; a scanner configured to scan the pulsed laser light emitted from the laser light source; a condenser configured to concentrate the pulsed laser light scanned by the scanner in a tissue of a patient's eye; and a plane-parallel plate which is provided in a region in which the pulsed laser light is converged or diverged on an optical path of the pulsed laser light from the laser light source to the patient's eye. The plane-parallel plate has a light incident plane to which the pulsed laser light is incident, and a light-emitting plane emitting the pulsed laser light incident from the light incident plane, and the light incident plane and the light-emitting plane are parallel to each other, or are the same plane.Type: ApplicationFiled: February 24, 2016Publication date: September 1, 2016Applicant: NIDEK CO., LTD.Inventors: Shinya IWATA, Masaaki HANEBUCHI, Naho MURAKAMI
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Publication number: 20150182380Abstract: An ophthalmic laser surgery apparatus for treating an eye of a patient includes: a laser light source configured to emit the pulse laser light; an objective lens configured to condense the pulse laser light emitted from the laser light source on the tissue to cause a photodistuption of the tissue; a scanner configured to scan a condensing position of the pulse laser light condensed by the objective lens; and a controller configured to control the scanner to adjust speed of scanning the condensing position depending on a size of the photodisruption which fluctuates in according to an aberration which fluctuates according to a change in the condensing position.Type: ApplicationFiled: December 1, 2014Publication date: July 2, 2015Applicant: NIDEK CO., LTD.Inventors: Tomohiro MIYAGI, Takayoshi SHIBATA, Masaaki HANEBUCHI, Naho MURAKAMI, Shinya IWATA
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Publication number: 20150051591Abstract: An ophthalmic laser surgical apparatus includes an XY scan unit, a light guiding optical element, an objective lens, and a Z scan unit. The XY scan unit includes a deflecting device for deflecting the pulsed laser beam, and scans the pulsed laser beam in a direction crossing an optical axis. The light guiding optical element is provided downstream of the deflecting device on the optical path of the pulsed laser beam. The light guiding optical element has refractive power, and guides the pulsed laser beam. The objective lens causes the pulsed laser beam through the XY scan unit and the light guiding optical element to converge in a tissue of a patient's eye. The Z scan unit varies the optical path length between the light guiding optical element and the objective lens while the objective lens is fixed in position on the optical path.Type: ApplicationFiled: August 15, 2014Publication date: February 19, 2015Applicant: NIDEK CO., LTD.Inventors: Masaaki HANEBUCHI, Naho MURAKAMI, Takayoshi SHIBATA, Shinya IWATA