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Kabushiki Kaisha Topcon
Kabushiki Kaisha Topcon_20100114

Kabushiki Kaisha Topcon patents


Recent patent applications related to Kabushiki Kaisha Topcon. Kabushiki Kaisha Topcon is listed as an Agent/Assignee. Note: Kabushiki Kaisha Topcon may have other listings under different names/spellings. We're not affiliated with Kabushiki Kaisha Topcon, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "K" | Kabushiki Kaisha Topcon-related inventors


Blood flow measurement device

A scanner of a blood flow measurement apparatus of an embodiment alternately performs first scan and second scan for first and second cross sections both intersecting an interested blood vessel. An image forming unit forms one or more images of the first cross section including a phase image of the... Kabushiki Kaisha Topcon

Blood flow measurement device

In an embodiment, a controller included in a blood flow measurement apparatus controls a scanner to iteratively scan one or more cross sections of an interested blood vessel. An image forming unit forms a phase image that represents chronological change in phase difference in the one or more cross sections... Kabushiki Kaisha Topcon

Ophthalmic imaging apparatus

An ophthalmic imaging apparatus of an embodiment scans a subject's eye with OCT to acquire a cross sectional image. A measurement unit performs OCT. An imaging unit acquires a moving image of the subject's eye. A display controller controls a display device to display the moving image acquired by the... Kabushiki Kaisha Topcon

Speckle reduction in optical coherence tomography images

An optical coherence tomography (OCT) image composed of a plurality of A-scans of a structure is analysed by defining, for each A-scan, a set of neighbouring A-scans surrounding the A-slices scan. Following an optional de-noising step, the neighbouring A-scans are aligned in the imaging direction, then a matrix X is... Kabushiki Kaisha Topcon

Swept-source optical coherence tomography (ss-oct) phase stabilization with reference signal calibration

A reference signal having a known induced optical delay is used for phase stabilization of optical coherence tomography (OCT) interferograms, and for correcting sampling differences within OCT interferograms, in single mode and multimodal OCT systems. The reference signal can then be used to the measure time shift or sample clock... Kabushiki Kaisha Topcon

Fundus analysis apparatus and fundus observation apparatus

A fundus analysis apparatus includes a storage, an area setting unit, and a morphological information generating unit. The storage is configured to store OCT information acquired by applying optical coherence tomography to the fundus of an eye. The area setting unit is configured to set a front area corresponding to... Kabushiki Kaisha Topcon

Ophthalmic imaging apparatus and ophthalmic information processing apparatus

An ophthalmic imaging apparatus of an embodiment includes a measurement unit, an eye model generation unit, and a simulation execution unit. The measurement unit is configured to acquire a data set by applying optical coherence tomography to a three-dimensional region of a subject's eye including an area extending from an... Kabushiki Kaisha Topcon

Measurement and installation data indicating apparatus and measurement and installation data indicating method

A measurement and installation data indicating apparatus including a distance image sensor that obtains distance image data in a predetermined range, a projector that projects an image on a projection plane in a predetermined range, an inclination data obtaining part that obtains inclination data on a detection optical axis and... Kabushiki Kaisha Topcon

Ophthalmic apparatus

A technology for achieving a reduction in size of an ophthalmic apparatus capable of performing a plurality of kinds of measurements performed before cataract surgery is provided. An ophthalmic apparatus is described that includes a refractive power measurement unit and an eyeball information measurement unit. The refractive power measurement unit... Kabushiki Kaisha Topcon

Methods and phase stabilized swept-source optical coherence tomography (ss-oct) including rescaling and dynamic range enhancement

An optical coherence tomography (OCT) system electrically mixes a signature signal with an OCT signal (e.g., an interferogram) output by a photodetector of the OCT system. The signature signal may be a signal output by a photodetector that detects an optical signal from a fiber Bragg grating. The signature signal... Kabushiki Kaisha Topcon

Ophthalmic apparatus

An embodiment provides a technology for preventing a situation in which a subject's eye is imaged in an inappropriate imaging mode. An ophthalmic apparatus according to one embodiment is capable of selectively performing a first imaging mode and a second imaging mode. The first imaging mode is an imaging mode... Kabushiki Kaisha Topcon

Ophthalmologic imaging controlling the same

An ophthalmologic imaging apparatus includes a data acquisition unit and a controller. The data acquisition unit is configured to repeatedly acquire data by repeatedly scanning an eye using optical coherence tomography. The controller is configured to perform first control to adjust optical path length difference between a sample arm and... Kabushiki Kaisha Topcon

Visual function testing device and visual function testing system

The objects of an embodiment are to improve the reliability of visual function examination and to shorten the time required for the examination. A visual function examination apparatus of an embodiment includes an application optical system, a biological information detector, and an evaluation information generator. The application optical system includes... Kabushiki Kaisha Topcon

Ophthalmic information system and ophthalmic information processing server

An ophthalmic information system for long-term management of pathological conditions, in which, upon receipt of patient identification information and examination data from an ophthalmic examination apparatus, a server of the system specifies a medical institution terminal corresponding to the patient identification information, and sends the patient identification information and the... Kabushiki Kaisha Topcon

System of measuring three-dimensional position

The system includes a survey machine 2 having an image-taking section 22, a section 20 of measuring a distance to a target 3 and a section of measuring an angle 11, 12, a pointing rod 4 which is positioned on the measurement point X and includes, at a position deviated... Kabushiki Kaisha Topcon

Reducing speckle noise in optical coherence tomography images

A method and system are proposed to obtain a reduced speckle noise image of a subject from optical coherence tomography (OCT) image data of the subject. The cross sectional images each comprise a plurality of scan lines obtained by measuring the time delay of light reflected, in a depth direction,... Kabushiki Kaisha Topcon

Slit lamp microscope

Provided is a slit lamp microscope capable of controlling irradiation of slit light and background illumination light interlockingly. Embodiment includes a main illumination system, background illumination system, observation system and controller. The main illumination system includes a first light source unit that outputs first light and slit forming unit that... Kabushiki Kaisha Topcon

Accommodation function evaluation apparatus

To evaluate the accommodation function of an eye in detail, an accommodation function evaluation apparatus includes an accommodative stimulus applying unit, a measurement unit, and an analyzer. The accommodative stimulus applying unit is configured to apply an accommodative stimulus to the eye. The measurement unit is configured to perform optical... Kabushiki Kaisha Topcon

Geographic atrophy identification and measurement

Geographic atrophy of the eye can be detected and measured by imaging the eye at a depth greater than the retinal pigment epithelium (RPE) at a plurality of locations of the eye, for example, using optical coherence tomography (OCT); determining a ratio of the intensities of imaging signals of a... Kabushiki Kaisha Topcon

Attenuation-based optic neuropathy detection with three-dimensional optical coherence tomography

Optical coherence tomography (OCT) scan data of a subject is acquired over a region of interest which can include an optic disc or a macula of a retina. Layer boundaries of retinal layers are identified in the OCT scan data to facilitate measurements. In one aspect, a measurement related to... Kabushiki Kaisha Topcon

Carrying case

A carrying case has a flat top surface and bottom surface aligned in a first direction (Z direction) and includes two top surface rib grooves, extending in a second direction (X direction) perpendicular to the first direction and recessed in the first direction, on the top surface and four interfering... Kabushiki Kaisha Topcon

Ophthalmic surgical apparatus and attachment for ophthalmic surgery

An ophthalmic surgical apparatus includes an observation optical system, an illumination optical system, an interference optical system, and an image forming unit. The observation optical system is configured to observe an eye through an objective lens. The illumination optical system is configured to illuminate the eye through the objective lens.... Kabushiki Kaisha Topcon

Fundus imaging apparatus

A fundus imaging apparatus includes a scanning optical system, a control circuit, and an image forming unit. The scanning optical system scans a fundus of a subject's eye with light from a light source, and receives return light from the fundus by a light receiver. The control circuit controls the... Kabushiki Kaisha Topcon

Optical image measuring apparatus

An embodiment provides an optical image measuring apparatus capable of acquiring images with high lateral resolution and global sharpness. An optical image measuring apparatus of an embodiment includes an optical system, image forming part, controller and composite-cross-sectional-image forming part. The optical system includes a scanner that changes an irradiation position... Kabushiki Kaisha Topcon

Site management system, in-flight detection method, and non-transitory computer readable medium storing program of site management system

A site management system includes an unmanned airplane being switchable between an airplane mode for high speed flight and a VTOL mode for low speed flight, a working vehicle working in a civil construction site, a shape detection sensor provided in the unmanned airplane to detect a shape of the... Kabushiki Kaisha Topcon

Wide area sensing system, in-flight detection method, and non-transitory computer readable medium storing program of wide area sensing system

A wide area sensor system includes an unmanned airplane being switchable between an airplane mode for high speed flight and a VTOL mode for low speed flight, a state detection sensor provided in the unmanned airplane, the state detection sensor being driven to detect a state of a detection target,... Kabushiki Kaisha Topcon








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