Patents by Inventor Guang-Hoon Kim
Guang-Hoon Kim 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: 10244999Abstract: The present invention relates to a three-dimensional surface image generating method and system using a multi-energy X-ray image and an optical image, and more particularly, to a three-dimensional surface image generating method and system using a multi-energy X-ray image and an optical image which reconstruct an X-ray tomographic image with an improved contrast of soft tissue including skin of an object using two or more multi-energy X-ray transmission data, calculate a three-dimensional surface model for the object, and combine optical image information including color information of the object to generate a three-dimensional surface image for the object.Type: GrantFiled: November 27, 2015Date of Patent: April 2, 2019Assignee: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTEInventors: Dong Goo Kang, Seung Oh Jin, Ki Young Shin, In Soo Kim, Young Min Bae, Guang Hoon Kim, Bo Su Jeong
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Publication number: 20180242939Abstract: The present invention relates to a three-dimensional surface image generating method and system using a multi-energy X-ray image and an optical image, and more particularly, to a three-dimensional surface image generating method and system using a multi-energy X-ray image and an optical image which reconstruct an X-ray tomographic image with an improved contrast of soft tissue including skin of an object using two or more multi-energy X-ray transmission data, calculate a three-dimensional surface model for the object, and combine optical image information including color information of the object to generate a three-dimensional surface image for the object.Type: ApplicationFiled: November 27, 2015Publication date: August 30, 2018Inventors: Dong Goo KANG, Seung Oh JIN, Ki Young SHIN, In Soo KIM, Young Min BAE, Guang Hoon KIM, Bo Su JEONG
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Patent number: 9955871Abstract: The present invention provides a transmitted light detection type measurement apparatus for skin fluorescence, which is configured to perform light irradiation and light detection on a reference sample and a measurement target. The apparatus includes a first light source, a second light source, a first optical detector and a second optical detector, a light source switching controller, and an operator.Type: GrantFiled: March 18, 2013Date of Patent: May 1, 2018Assignee: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTEInventors: Uk Kang, Garry V Papayan, Il Hyung Shin, Dae Sic Lee, Soo Jin Bae, Guang Hoon Kim
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Patent number: 9814370Abstract: The present invention relates to a filter switching device for a fluorescence endoscopic television camera system, and more particularly, to a filter switching device for a fluorescence endoscopic television camera system, which selectively transmits light to a detector sensor of a television camera according to the white light condition or the fluorescence condition to diagnose patients using a fluorescence endoscope. The present invention provides a filter switching device for a fluorescence endoscopic television camera system, which is configured to conveniently switch filters according to the rotational movement of the camera head, by inducing a change of magnetic forces according to the rotation of the camera head by magnetic substances disposed therein while maintaining a sealed structure inside the camera head connecting between a fluorescence endoscope and a television camera and thus allowing the frame of the camera head mounted with two types of filter to move upward and downward.Type: GrantFiled: August 12, 2013Date of Patent: November 14, 2017Assignee: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTEInventors: Uk Kang, Guang Hoon Kim, Soo Jin Bae, Min Woong Jung, Garry V Papayan, Vladimir Berezin
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Patent number: 9723990Abstract: The present invention provides a transmitted light detection type measurement apparatus for skin fluorescence, which is configured to perform light irradiation and light detection on a reference sample and a measurement target. The apparatus includes a first light source, a second light source, a first optical detector and a second optical detector, a light source switching controller, and an operator.Type: GrantFiled: June 26, 2013Date of Patent: August 8, 2017Assignee: KOREA ELECTRO TECHNOLOGY RESEARCH INSTITUTEInventors: Uk Kang, Garry V Papayan, Il Hyung Shin, Dae Sic Lee, Soo Jin Bae, Guang Hoon Kim
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Patent number: 8989224Abstract: There is disclosed an apparatus for femtosecond laser optically pumped by a laser diode pumping module that is able to mechanically couple optical mounts for mounting optical mounts to each other by using a bar with a low thermal expansion coefficient and to form a light pumping module distant from a laser platform or a case, to provide a stable mode locking for an ultrashort laser and to enhance a power stability and a beam stability.Type: GrantFiled: March 29, 2013Date of Patent: March 24, 2015Assignee: Korea Electrotechnology Research InstituteInventors: Guang Hoon Kim, Uk Kang, Ju Hee Yang, Elena Sall, Sergey Chizhov, Andrey Kulik
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Patent number: 8891564Abstract: There is disclosed a femtosecond laser apparatus including a first laser material comprising Ng, Np and Nm axes spatially perpendicular to each other; a second laser material comprising Np axis, Nm axis and Ng axis; and a first laser diode and second laser diodes, wherein the traveling direction of laser beams generated from the first and second laser materials is substantially parallel to Ng axis of the first laser material and the polarizing direction of laser beams generated from the first and second laser materials is substantially parallel to Np axis of the first laser material, and the traveling direction of laser beams generated from the first and second laser materials is substantially parallel to Np axis of the second material and the polarizing direction of laser beams generated from the first and second laser materials is substantially parallel to Nm axis of the second laser material.Type: GrantFiled: January 29, 2013Date of Patent: November 18, 2014Assignee: Korea Electrotechnology Research InstituteInventors: Guang Hoon Kim, Uk Kang, Ju Hee Yang, Dae Sik Lee, Elena Sall, Sergey Chizhov, Andrey Kulik, Vladimir Yashin
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Publication number: 20140163387Abstract: The present invention provides a transmitted light detection type measurement apparatus for skin fluorescence, which is configured to perform light irradiation and light detection on a reference sample and a measurement target. The apparatus includes a first light source, a second light source, a first optical detector and a second optical detector, a light source switching controller, and an operator.Type: ApplicationFiled: June 26, 2013Publication date: June 12, 2014Inventors: Uk KANG, Garry V. Papayan, Il Hyung Shin, Dae Sic Lee, Soo Jin Bae, Guang Hoon Kim
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Publication number: 20140051925Abstract: The present invention relates to a filter switching device for a fluorescence endoscopic television camera system, and more particularly, to a filter switching device for a fluorescence endoscopic television camera system, which selectively transmits light to a detector sensor of a television camera according to the white light condition or the fluorescence condition to diagnose patients using a fluorescence endoscope. The present invention provides a filter switching device for a fluorescence endoscopic television camera system, which is configured to conveniently switch filters according to the rotational movement of the camera head, by inducing a change of magnetic forces according to the rotation of the camera head by magnetic substances disposed therein while maintaining a sealed structure inside the camera head connecting between a fluorescence endoscope and a television camera and thus allowing the frame of the camera head mounted with two types of filter to move upward and downward.Type: ApplicationFiled: August 12, 2013Publication date: February 20, 2014Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTEInventors: Uk Kang, Guang Hoon Kim, Soo Jin Bae, Min Woong Jung, Garry V. Papayan, Vladimir Berezin
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Publication number: 20140046409Abstract: Disclosed herein is a light source apparatus for photo-diagnosis and phototherapy. The light source apparatus includes a first light source, a second light source, a light-guide, an interference filter, and a compensation filter. The first light source is non-coherent, and the second light source is coherent. The light-guide delivers light emitted from the first light source and the second light source. The interference filter is disposed on an optical path of the first light source. The compensation filter is disposed between the first light source and the light-guide, and compensates for an output spectrum of the first light source and converts the output spectrum of the first light source into a predetermined reference output spectrum. Here, the light emitted from the second light source is reflected by the interference filter to be incident to the light-guide and the light from the first light source passes through the interference filter at the same time.Type: ApplicationFiled: March 29, 2013Publication date: February 13, 2014Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTEInventors: Uk KANG, Dae Sic LEE, Guang Hoon KIM, Min Woong JUNG, Garry V. PAPAYAN, Vladimir BEREZIN
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Patent number: 8647372Abstract: The present invention provides a composite light source apparatus for phototherapy of skin disease, in which a light beam having the wavelength and optical power suitable for light-beam treatment is provided to a region to be treated (also called a ‘to-be-treated region’) through a light guide by using a composite light source so as to improve efficiency of phototherapy of skin diseases of the body including acne, malignant tumors and the like. According to the composite light source apparatus, uniform optical power can be provided through a combination of a plurality of light sources, the optical power can be provided through selection of light of a wavelength range that a user wants, and light from the light sources can be utilized to the maximum with increased light intensity.Type: GrantFiled: July 7, 2008Date of Patent: February 11, 2014Assignee: Korea Electro Technology Research InstituteInventors: Uk Kang, Soo Jin Bae, Seung Yup Lee, Guang Hoon Kim, Geun Hee Rim, Geri. V Papyan, Dmitry Makarov
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Publication number: 20130336345Abstract: There is disclosed a femtosecond laser apparatus including a first laser material comprising Ng, Np and Nm axes spatially perpendicular to each other; a second laser material comprising Np axis, Nm axis and Ng axis; and a first laser diode and second laser diodes, wherein the traveling direction of laser beams generated from the first and second laser materials is substantially parallel to Ng axis of the first laser material and the polarizing direction of laser beams generated from the first and second laser materials is substantially parallel to Np axis of the first laser material, and the traveling direction of laser beams generated from the first and second laser materials is substantially parallel to Np axis of the second material and the polarizing direction of laser beams generated from the first and second laser materials is substantially parallel to Nm axis of the second laser material.Type: ApplicationFiled: January 29, 2013Publication date: December 19, 2013Applicant: Korea Electrotechnology Research InstituteInventors: Guang Hoon Kim, Uk Kang, Ju Hee Yang, Dae Sik Lee, Elena Sall, Sergey Chizhov, Andrey Kulik, Vladimir Yashin
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Patent number: 8594141Abstract: The present invention provides a femtosecond laser apparatus using laser diode optical pumping. To provide a stable mode locking and improve power stability and beam stability in an ultrafast laser such as a femtosecond laser, optical mounts which have mounted thereon optical parts of a diode pumping unit are mechanically engaged using bars of low thermal expansion coefficients and form a pumping module, and the pumping module is maximally separated from a laser platform or case.Type: GrantFiled: July 30, 2012Date of Patent: November 26, 2013Assignee: Korea Electrotechnology Research InstituteInventors: Guang Hoon Kim, Uk Kang, Ju Hee Yang, Elena Sall, Sergey Chizhov, Andrey Kulik
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Patent number: 8582613Abstract: Disclosed is a laser apparatus of amplifying a laser pulse output using an anisotropic laser crystal through chirped pulse amplification. The laser apparatus includes a laser resonator. The laser resonator includes a plurality of anisotropic laser crystals, generates a shorter femtosecond pulse by widening a spectrum bandwidth through a combination of different gain spectrum distributions using the anisotropic laser crystals, and allows a laser beam to travel in axial directions with different thermal characteristics of the anisotropic layer crystals in order to reduce a thermal effect.Type: GrantFiled: July 31, 2012Date of Patent: November 12, 2013Assignee: Korea Electrotechnology Research InstituteInventors: Guang Hoon Kim, Uk Kang, Ju Hee Yang, Dae Sik Lee, Elena Sall, Sergey Chizhov, Andrey Kulik, Vladimir Yashin
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Publication number: 20130281865Abstract: The present invention provides a transmitted light detection type measurement apparatus for skin fluorescence, which is configured to perform light irradiation and light detection on a reference sample and a measurement target. The apparatus includes a first light source, a second light source, a first optical detector and a second optical detector, a light source switching controller, and an operator.Type: ApplicationFiled: March 18, 2013Publication date: October 24, 2013Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTEInventors: Uk KANG, Garry V. PAPAYAN, Il Hyung SHIN, Dae Sic LEE, Soo Jin BAE, Guang Hoon KIM
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Patent number: 8496695Abstract: A system is provided for photodynamic diagnosis and therapy of skin diseases. In particular, a camera head is provided to irradiate a white light, a fluorescent excitation light and a therapeutic light for the photodynamic therapy from the inside of a case onto the skin region being in contact with a view hole. Additionally, a digital color TV camera collects the light from the skin region and outputs a generated image signal. In particular, an image processing and analysis system receives the image signals from the camera head to process, analyze and store the same, displays a color image by the white light, a fluorescent image by the excitation light and the therapeutic light for the photodynamic therapy, obtained by the digital color TV camera, and a synthesized image thereof, and controls the general operations of the camera and the light source system.Type: GrantFiled: June 11, 2007Date of Patent: July 30, 2013Assignee: Korea Electro Technology Research InstituteInventors: Uk Kang, Soo Jin Bae, Geun Hie Rim, Guang Hoon Kim, Geri V. Papayan
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Publication number: 20130051411Abstract: The present invention provides a femtosecond laser apparatus using laser diode optical pumping. To provide a stable mode locking and improve power stability and beam stability in an ultrafast laser such as a femtosecond laser, optical mounts which have mounted thereon optical parts of a diode pumping unit are mechanically engaged using bars of low thermal expansion coefficients and form a pumping module, and the pumping module is maximally separated from a laser platform or case.Type: ApplicationFiled: July 30, 2012Publication date: February 28, 2013Applicant: Korea Electrotechnology Research InstituteInventors: Guang Hoon Kim, Uk Kang, Ju Hee Yang, Elena Sall, Sergey Chizhov, Andrey Kulik
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Patent number: 8162496Abstract: The present invention provides an apparatus for white light observation and fluorescence diagnosis of skin diseases. More particularly, the present invention provides an apparatus for photodynamic diagnosis in which a plurality of excitation light emitting diodes (LEDs) is provided in an image pick-up head, the excitation LEDs being arranged to illuminate the entire examination region in the form of a mosaic by setting respective illumination light axes of the excitation LEDs to illuminate preassigned individual areas of the examination region, thus uniformly illuminating the examination region in a wide field of view with excitation light. In the apparatus for photodynamic diagnosis, the respective excitation LEDs are provided at the same or different angles based on the light axis of the object lens, and thereby it is possible that the beams of the light sources composed of the LEDs illuminate the field of view of the examination region uniformly, thus improving the uniformity of illumination.Type: GrantFiled: June 11, 2007Date of Patent: April 24, 2012Assignee: Korea Electro Technology Research InstituteInventors: Uk Kang, Soo Jin Bae, Geun Hie Rim, Guang Hoon Kim, Geri. V Papayan
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Publication number: 20110270092Abstract: The present invention provides a fluorescence detection and photodynamic therapy apparatus including: a combined light source unit 10 including a plurality of coherent and non-coherent light sources 11, 12 and 13 configured to irradiate light onto a to-be-observed object while performing continuous illumination; an optical imaging unit 20 configured to form an image of the to-be-observed object 70 and project the image to an image processing/controlling system 34; a multispectral imaging unit 30 including a one-chip multispectral sensor and the image processing/controlling system 34; a blocking filter 40 installed between the to-be-observed object 70 and the one-chip multispectral sensor 32, the blocking filter being configured to block some light reflected off from the to-be-observed object 70 while allowing some light and fluorescent light to pass therethrough; a computer system 50 configured to process, analyze, reproduce and store the image acquired from the multispectral imaging unit 30, and transfer theType: ApplicationFiled: January 28, 2011Publication date: November 3, 2011Applicant: Korea Electrotechnology Research InstituteInventors: Uk KANG, Soo Jin Bae, Guang Hoon Kim, Seung Yup Lee, Garry V. Papayan
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Publication number: 20100241025Abstract: The present invention provides a cold reflex tester, in which an electrical device capable of controlling the temperature and maintaining a fixed temperature at a low level based on an electrical signal from a controller is used in a cold stimulator that is brought into contact with a subject's body as a means for applying a cold stimulus to the subject's body. Thus, it is possible to apply a more constant stimulus to a subject's body during measurement and thus improve the reliability of the measurement.Type: ApplicationFiled: July 14, 2009Publication date: September 23, 2010Inventors: Young Min BAE, Uk KANG, Sergey KIM, Guang Hoon KIM, Dae Sic LEE