Patents by Inventor Joon Hwan Choi
Joon Hwan Choi 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: 11923216Abstract: An apparatus and method for treating a substrate are provided. The apparatus includes at least one first process chamber configured to supply a developer onto the substrate; at least one second process chamber configured to treat the substrate using a supercritical fluid; a transfer chamber configured to transfer the substrate from the at least one first process chamber to the at least one second process chamber, while the developer supplied in the at least one first process chamber remains on the substrate; and a temperature and humidity control system configured to manage temperature and humidity of the transfer chamber by supplying a first gas of constant temperature and humidity into the transfer chamber.Type: GrantFiled: August 22, 2022Date of Patent: March 5, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., SEMES CO., LTD.Inventors: Seung Min Shin, Sang Jin Park, Hae Won Choi, Jang Jin Lee, Ji Hwan Park, Kun Tack Lee, Koriakin Anton, Joon Ho Won, Jin Yeong Sung, Pil Kyun Heo
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Patent number: 11911220Abstract: A system includes a number of transducers configured to transmit ultrasound signals directed to a target blood vessel and receive echo information associated with the transmitted ultrasound signals. The system also includes a processing device configured to process the echo information, generate ultrasound images of the blood vessel at a number of locations and generate an estimated diameter of the blood vessel at the locations. The processing device is also configured to output image information associated with the blood vessel and output a maximum estimated diameter of the blood vessel or the estimated diameters at the number of locations based on the image information.Type: GrantFiled: October 16, 2020Date of Patent: February 27, 2024Assignee: Verathon Inc.Inventors: Monali Padwal, Joon Hwan Choi, Nasser Saber, Fuxing Yang
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Multi-plane and multi-mode visualization of an area of interest during aiming of an ultrasound probe
Patent number: 11826200Abstract: A system may include an ultrasound probe and a controller unit configured to communicate with the ultrasound probe. The controller unit may be further configured to select an aiming mode for the ultrasound probe; select a first aiming mode plane, scanning mode, or imaging mode; select at least one additional aiming mode plane, scanning mode, or imaging mode; toggle between obtaining and displaying ultrasound images associated with the first aiming mode plane, scanning mode, or imaging mode and obtaining and displaying ultrasound images associated with the at least one additional aiming mode plane, scanning mode, or imaging mode; receive a selection of a three-dimensional (3D) scan mode; and perform a 3D scan using the ultrasound probe, in response to receiving the selection of the 3D scan mode.Type: GrantFiled: October 3, 2018Date of Patent: November 28, 2023Assignee: Verathon Inc.Inventors: Joon Hwan Choi, Fuxing Yang -
Publication number: 20230271173Abstract: The present invention provides a catalyst module for removing harmful gas, wherein an oxidation reaction or reduction reaction of harmful gas is carried out in a self-heating heating carrier. According to an embodiment of the present invention, the catalyst module for removing harmful gas comprises: a heating carrier composed of an electrically heatable heating body, including one or more flow channels inside, and having a porous structure with pores; and a catalyst region formed on at least a portion of the surface of the heating carrier including the flow channels and containing a catalyst material for promoting a decomposition reaction of harmful gas passing through the flow channels, wherein the catalyst region comprises: a first catalyst layer having a first catalyst material loading amount in the pores of the heating carrier; and a second catalyst layer applied on the inner surface of the heating carrier.Type: ApplicationFiled: October 19, 2020Publication date: August 31, 2023Inventors: Joon Hwan CHOI, Giyeong KIM
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Publication number: 20230151986Abstract: The present disclosure relates to an air conditioning system and method for disinfection of a public facility. More specifically, the present disclosure relates to an air conditioning system and method for disinfection of a public facility capable of sterilizing or inactivating bio-aerosols existing in interior space by using the air conditioning equipment installed in the public facility structures.Type: ApplicationFiled: January 2, 2023Publication date: May 18, 2023Inventors: Seung-hoon LEE, Do-geun Kim, Chang-su Kim, Joo-young Park, Sung-hoon Jung, Joon-hwan Choi, Eun-yeon Byeon, Jong-man Lee, Jang-hoon Ha, Sang-jin Kim
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Patent number: 11647990Abstract: A system may include an ultrasound probe and a controller unit configured to obtain a baseline ultrasound image of a patient's breast area using the ultrasound probe and to obtain a follow-up ultrasound image of the patient's breast area using the ultrasound probe. The controller unit may further be configured to use one or more machine learning models to compare the baseline ultrasound image with the follow-up ultrasound image; detect a change in a morphology or integrity of the patient's breast area based on the comparison of the baseline ultrasound image with the follow-up ultrasound image; and generate a recommendation for a medical intervention based on the detected change.Type: GrantFiled: November 21, 2019Date of Patent: May 16, 2023Assignee: Verathon Inc.Inventors: Monali Padwal, Kendall R. Waters, Joon Hwan Choi, Fuxing Yang
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Patent number: 11596381Abstract: A system may include an ultrasound probe and a controller unit configured to communicate with the ultrasound probe. The controller unit may be further configured to transmit ultrasound signals using the ultrasound probe toward an area of interest in a patient's body, wherein the ultrasound signals include a fundamental frequency signal and at least one harmonic frequency signal; receive echo signals from the area of interest based on the transmitted ultrasound signals; obtain a fundamental frequency echo signal and at least one harmonic frequency echo signal from the received echo signals; and generate a visual representation of the area of interest based on the obtained fundamental frequency echo signal and the obtained at least one harmonic frequency echo signal.Type: GrantFiled: February 27, 2019Date of Patent: March 7, 2023Assignee: Verathon Inc.Inventors: Joon Hwan Choi, Fuxing Yang
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Patent number: 11564656Abstract: A system includes an ultrasound probe comprising an ultrasound transducer, a first motor configured to rotate the ultrasound transducer around a horizontal axis to scan a plane, and a second motor configured to rotate the ultrasound transducer around a vertical axis to move to a different plane. The system further includes a controller unit configured to select a number of scan planes for an interlacing scan to scan a volume of an area of interest in a patient's body using the ultrasound probe; select an interlacing factor for the interlacing scan; divide the scan planes into groups of scan planes based on the interlacing factor; and perform the interlacing scan by controlling the first motor and the second motor, wherein the first motor moves in a first direction for at least some of the scan planes and in a second direction for other ones of the scan planes.Type: GrantFiled: February 27, 2019Date of Patent: January 31, 2023Assignee: Verathon Inc.Inventors: Joon Hwan Choi, Fuxing Yang
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Patent number: 11389139Abstract: A method for providing artifact detection and visualization during ultrasound image collection is performed by a processor in an ultrasound system. The method includes receiving ultrasound image data from an ultrasound probe, detecting areas with artifacts in the ultrasound image data, classifying the areas with artifacts into one of a plurality of available artifact classes, generating an indication of the areas with artifact for an ultrasound-based image, wherein the indications include a designation of the artifact class, and presenting to an operator the ultrasound-based image and the indication of the areas with artifacts.Type: GrantFiled: December 7, 2018Date of Patent: July 19, 2022Assignee: VERATHON INC.Inventors: Fuxing Yang, Joon Hwan Choi
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Patent number: 11363978Abstract: A bladder monitoring system includes a scanning system and a wearable bladder monitoring device (or patch). The scanning system obtains scan data that shows a bladder in a patient and identifies, based on the scan data, a placement location on the patient for the wearable bladder monitoring device. The scanning system indicates the placement location to a user; and identifies customization settings for one or more sensors of the wearable bladder monitoring device to enable the one or more sensors to detect extents of the bladder when the wearable bladder monitoring device is attached at the placement location.Type: GrantFiled: May 13, 2019Date of Patent: June 21, 2022Assignee: Verathon Inc.Inventors: Fuxing Yang, Joon Hwan Choi, Si Luo, Dave Scott, Kendall R. Waters
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Patent number: 11278259Abstract: A system includes a probe configured to transmit ultrasound signals to a target blood vessel, and receive echo information associated with the transmitted ultrasound signals. The system may also include at least one processing device configured process the received echo information and generate an ultrasound image of the blood vessel and identify a seed position within the blood vessel based on the ultrasound image. The at least one processing device may further generate an estimated contour for a lumen of the blood vessel based on pixel intensity values associated with the ultrasound image, generate an estimated contour for the blood vessel using the pixel intensity values, determine whether a thrombus exists within the blood vessel and output image information illustrating the estimated contours of the lumen and the blood vessel.Type: GrantFiled: February 1, 2019Date of Patent: March 22, 2022Assignee: Verathon Inc.Inventors: Fuxing Yang, Joon Hwan Choi
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Patent number: 11147491Abstract: A system includes at least one wearable device configured to monitor a bladder volume of a user associated with the at least one wearable device, monitor moisture associated with the user, and transmit information regarding the bladder volume and moisture. The system also includes a display device configured to receive the information regarding the bladder volume and moisture from the at least one wearable device, and display information to the user based on the received information.Type: GrantFiled: November 21, 2018Date of Patent: October 19, 2021Assignee: Verathon Inc.Inventors: Kendall R. Waters, Si Luo, Joon Hwan Choi
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Publication number: 20210312652Abstract: A system may include an ultrasound probe and a controller unit configured to aim the ultrasound probe to transabdominally image a patient's prostate and obtain a transabdominal image of the patient's prostate using the aimed ultrasound probe. The controller unit may be further configured to perform a segmentation process on the obtained transabdominal image of the patient's prostate using a trained machine learning model to identify a boundary of the prostate in the transabdominal image of the patient's prostate.Type: ApplicationFiled: April 6, 2021Publication date: October 7, 2021Inventors: Monali Padwal, Fuxing Yang, Joon Hwan Choi, Nasser Saber, Nikolas Ivancevich
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Patent number: 10993704Abstract: A method for calibrating an ultrasound probe includes receiving, from the ultrasound probe, data of a target within a test fixture, wherein the target includes a repetitive pattern along two axes; generating a first ultrasound image of the target; and identifying distortion of the target in the first ultrasound image. The method also includes estimating, based on identifying the distortion, offset parameter values for one or more of three angular errors within the ultrasound probe; generating a second ultrasound image of the target using the offset parameter values; identifying corrected distortion of the target in the second ultrasound image; and storing the offset parameter values.Type: GrantFiled: September 14, 2018Date of Patent: May 4, 2021Assignee: Verathon Inc.Inventor: Joon Hwan Choi
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Publication number: 20210113194Abstract: A system includes a number of transducers configured to transmit ultrasound signals directed to a target blood vessel and receive echo information associated with the transmitted ultrasound signals. The system also includes a processing device configured to process the echo information, generate ultrasound images of the blood vessel at a number of locations and generate an estimated diameter of the blood vessel at the locations. The processing device is also configured to output image information associated with the blood vessel and output a maximum estimated diameter of the blood vessel or the estimated diameters at the number of locations based on the image information.Type: ApplicationFiled: October 16, 2020Publication date: April 22, 2021Inventors: Monali Padwal, Joon Hwan Choi, Nasser Saber, Fuxing Yang
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Patent number: 10949976Abstract: A method for determining a contour of an organ in an ultrasound image is performed by a processor in a base unit. The method includes detecting an organ within the ultrasound image; obtaining a centroid position for the organ; extending a set of radial lines from the centroid position beyond an expected organ boundary; determining cost values at candidate nodes on each radial line, of the set of radial lines, by applying costs along gradient vectors that are normal to a contour between adjacent nodes on different radial lines; and selecting a final organ boundary contour based on a cost function analysis of paths through the candidate nodes.Type: GrantFiled: June 12, 2018Date of Patent: March 16, 2021Assignee: Verathon Inc.Inventors: Joon Hwan Choi, Fuxing Yang
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Publication number: 20200178936Abstract: A system may include an ultrasound probe and a controller unit configured to obtain a baseline ultrasound image of a patient's breast area using the ultrasound probe and to obtain a follow-up ultrasound image of the patient's breast area using the ultrasound probe. The controller unit may further be configured to use one or more machine learning models to compare the baseline ultrasound image with the follow-up ultrasound image; detect a change in a morphology or integrity of the patient's breast area based on the comparison of the baseline ultrasound image with the follow-up ultrasound image; and generate a recommendation for a medical intervention based on the detected change.Type: ApplicationFiled: November 21, 2019Publication date: June 11, 2020Inventors: Monali Padwal, Kendall R. Waters, Joon Hwan Choi, Fuxing Yang
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Publication number: 20190357836Abstract: A bladder monitoring system includes a scanning system and a wearable bladder monitoring device (or patch). The scanning system obtains scan data that shows a bladder in a patient and identifies, based on the scan data, a placement location on the patient for the wearable bladder monitoring device. The scanning system indicates the placement location to a user; and identifies customization settings for one or more sensors of the wearable bladder monitoring device to enable the one or more sensors to detect extents of the bladder when the wearable bladder monitoring device is attached at the placement location.Type: ApplicationFiled: May 13, 2019Publication date: November 28, 2019Inventors: Fuxing Yang, Joon Hwan Choi, Si Luo, Dave Scott, Kendall R. Waters
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Publication number: 20190282200Abstract: A system may include an ultrasound probe and a controller unit configured to communicate with the ultrasound probe. The controller unit may be further configured to transmit ultrasound signals using the ultrasound probe toward an area of interest in a patient's body, wherein the ultrasound signals include a fundamental frequency signal and at least one harmonic frequency signal; receive echo signals from the area of interest based on the transmitted ultrasound signals; obtain a fundamental frequency echo signal and at least one harmonic frequency echo signal from the received echo signals; and generate a visual representation of the area of interest based on the obtained fundamental frequency echo signal and the obtained at least one harmonic frequency echo signal.Type: ApplicationFiled: February 27, 2019Publication date: September 19, 2019Inventors: Joon Hwan Choi, Fuxing Yang
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Publication number: 20190282206Abstract: A system includes an ultrasound probe comprising an ultrasound transducer, a first motor configured to rotate the ultrasound transducer around a horizontal axis to scan a plane, and a second motor configured to rotate the ultrasound transducer around a vertical axis to move to a different plane. The system further includes a controller unit configured to select a number of scan planes for an interlacing scan to scan a volume of an area of interest in a patient's body using the ultrasound probe; select an interlacing factor for the interlacing scan; divide the scan planes into groups of scan planes based on the interlacing factor; and perform the interlacing scan by controlling the first motor and the second motor, wherein the first motor moves in a first direction for at least some of the scan planes and in a second direction for other ones of the scan planes.Type: ApplicationFiled: February 27, 2019Publication date: September 19, 2019Inventors: Joon Hwan Choi, Fuxing Yang